2019 GMC Sierra 1500 HD Chassis Computer

2019 GMC Sierra 1500 HD Chassis Computer (No parts in stock)

Select Option:Change Vehicle Change Part

Summary
Year:	2019change
Make:	GMCchange
Model:	Sierra 1500 HDchange
Item:	Chassis Computer
Condition:	OEM Used
Items Available:	0
Price Range:	N/A
Local Discount:	N/A
Returns:	Cancellation & Return Policy

Item:	Chassis Computer change
Condition:	OEM Usedchange
Items Available:	0
Price Range:	N/A
Local Discount:	N/A

Select the right Chassis Computer for your 2019 GMC Sierra 1500 HD

This part may have multiple fitment options depending on your vehicle's engine, drivetrain, and configuration. To ensure proper compatibility, please select the correct fitment below. If you’re unsure, we strongly recommend checking your VIN or vehicle build details before ordering. You can update or change the fitment selection at any time.

Chassis Computer - SIERRA 1500 PICKUP Air Bag classic style (mirrors mount inner window corner) (on transmission tunnel)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Air Bag classic style (mirrors mount inner window corner) (on transmission tunnel)
Items in stock: 272

Chassis Computer - SIERRA 1500 PICKUP Air Bag new style (mirrors mount on door skin) (Passenger Side rear floor)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Air Bag new style (mirrors mount on door skin) (Passenger Side rear floor)
Items in stock: 432

Chassis Computer - SIERRA 1500 PICKUP Body Control (BCM) classic style (mirrors mount inner window corner) (under steering column) ID 13508761

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Body Control (BCM) classic style (mirrors mount inner window corner) (under steering column) ID 13508761
Items in stock: 555

Chassis Computer - SIERRA 1500 PICKUP Body Control (BCM) classic style (mirrors mount inner window corner) (under steering column) ID 13521450

Chassis Computer - SIERRA 1500 PICKUP Body Control (BCM) classic style (mirrors mount inner window corner) (under steering column) ID 13528935

Chassis Computer - SIERRA 1500 PICKUP Body Control (BCM) classic style (mirrors mount inner window corner) (under steering column) ID 13528938

Chassis Computer - SIERRA 1500 PICKUP Body Control (BCM) classic style (mirrors mount inner window corner) (under steering column) ID 13528941

Chassis Computer - SIERRA 1500 PICKUP Body Control (BCM) new style (mirrors mount on door skin) (under steering column)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Body Control (BCM) new style (mirrors mount on door skin) (under steering column)
Items in stock: 555

Chassis Computer - SIERRA 1500 PICKUP Communication classic style (mirrors mount inner window corner) telematics (center dash, behind radio) ID 84165662

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Communication classic style (mirrors mount inner window corner) telematics (center dash, behind radio) ID 84165662
Items in stock: 15

Chassis Computer - SIERRA 1500 PICKUP Communication classic style (mirrors mount inner window corner) telematics (center dash, behind radio) ID 84293872

Chassis Computer - SIERRA 1500 PICKUP Communication classic style (mirrors mount inner window corner) wireless charger (under console)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Communication classic style (mirrors mount inner window corner) wireless charger (under console)
Items in stock: 146

Chassis Computer - SIERRA 1500 PICKUP Communication new style (mirrors mount on door skin) (telematics) (left hand dash)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Communication new style (mirrors mount on door skin) (telematics) (left hand dash)
Items in stock: 949

Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist classic style (mirrors mount inner window corner) (park assist) (Passenger Side cab back panel) opt UD5

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Driver Side Assist classic style (mirrors mount inner window corner) (park assist) (Passenger Side cab back panel) opt UD5
Items in stock: 192

Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist classic style (mirrors mount inner window corner) (park assist) (Passenger Side cab back panel) opt UD7

Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist new style (mirrors mount on door skin) park assist (Passenger Side cab back panel) opt UD5

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Driver Side Assist new style (mirrors mount on door skin) park assist (Passenger Side cab back panel) opt UD5
Items in stock: 124

Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist new style (mirrors mount on door skin) park assist (Passenger Side cab back panel) opt UD7

Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist new style (mirrors mount on door skin) surround view (Passenger Side cab back panel) ID 84656961

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Driver Side Assist new style (mirrors mount on door skin) surround view (Passenger Side cab back panel) ID 84656961
Items in stock: 16

Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist new style (mirrors mount on door skin) surround view (Passenger Side cab back panel) ID 84680218

Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist new style (mirrors mount on door skin) surround view (Passenger Side cab back panel) ID 84691752

Chassis Computer - SIERRA 1500 PICKUP Driver Side Assist new style (mirrors mount on door skin) surround view (Passenger Side cab back panel) ID 84691754

Chassis Computer - SIERRA 1500 PICKUP Fuel Pump classic style (mirrors mount inner window corner) (left hand frame rail)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Fuel Pump classic style (mirrors mount inner window corner) (left hand frame rail)
Items in stock: 2071

Chassis Computer - SIERRA 1500 PICKUP Fuel Pump new style (mirrors mount on door skin) (Passenger Side rear frame rail)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Fuel Pump new style (mirrors mount on door skin) (Passenger Side rear frame rail)
Items in stock: 491

Chassis Computer - SIERRA 1500 PICKUP Information-GPS-TV (classic style, mirrors mount inner window) (left hand dash) (human machine interface bypass)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Information-GPS-TV (classic style, mirrors mount inner window) (left hand dash) (human machine interface bypass)
Items in stock: 120

Chassis Computer - SIERRA 1500 PICKUP Information-GPS-TV (classic style, mirrors mount inner window) (Passenger Side dash) (human machine interface, HMI) ID 84296482

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Information-GPS-TV (classic style, mirrors mount inner window) (Passenger Side dash) (human machine interface, HMI) ID 84296482
Items in stock: 9

Chassis Computer - SIERRA 1500 PICKUP Information-GPS-TV (classic style, mirrors mount inner window) (Passenger Side dash) (human machine interface, HMI) ID 84513027

Chassis Computer - SIERRA 1500 PICKUP Information-GPS-TV (classic style, mirrors mount inner window) (Passenger Side dash) (human machine interface, HMI) ID 84546901

Chassis Computer - SIERRA 1500 PICKUP Information-GPS-TV (classic style, mirrors mount inner window) (Passenger Side dash) (human machine interface, HMI) ID 84546902

Chassis Computer - SIERRA 1500 PICKUP Information-GPS-TV (classic style, mirrors mount inner window) (Passenger Side dash) (human machine interface, HMI) ID 84546904

Chassis Computer - SIERRA 1500 PICKUP Memory (under Driver Side seat)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Memory (under Driver Side seat)
Items in stock: 1467

Chassis Computer - SIERRA 1500 PICKUP Multifunction (roof mounted)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Multifunction (roof mounted)
Items in stock: 946

Chassis Computer - SIERRA 1500 PICKUP Network Gateway classic style (mirrors mount inner window corner) (left hand rear engine compartment) (ID 13599318)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Network Gateway classic style (mirrors mount inner window corner) (left hand rear engine compartment) (ID 13599318)
Items in stock: 1162

Chassis Computer - SIERRA 1500 PICKUP Network Gateway new style (mirrors mount on door skin) (left hand rear engine compartment)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Network Gateway new style (mirrors mount on door skin) (left hand rear engine compartment)
Items in stock: 678

Chassis Computer - SIERRA 1500 PICKUP Power Supply (new style, mirrors mount on door skin) (behind rear seat) 100 volt (opt KI4)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Power Supply (new style, mirrors mount on door skin) (behind rear seat) 100 volt (opt KI4)
Items in stock: 140

Chassis Computer - SIERRA 1500 PICKUP Power Supply (new style, mirrors mount on door skin) (behind rear seat) 230 volt (opt KI5)

Chassis Computer - SIERRA 1500 PICKUP Suspension classic style (mirrors mount inner window corner) (rear frame)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Suspension classic style (mirrors mount inner window corner) (rear frame)
Items in stock: 104

Chassis Computer - SIERRA 1500 PICKUP Suspension new style (mirrors mount on door skin) (rear frame) ID 84447009

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Suspension new style (mirrors mount on door skin) (rear frame) ID 84447009
Items in stock: 25

Chassis Computer - SIERRA 1500 PICKUP Suspension new style (mirrors mount on door skin) (rear frame) ID 84571533

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Suspension new style (mirrors mount on door skin) (rear frame) ID 84571533
Items in stock: 93

Chassis Computer - SIERRA 1500 PICKUP Suspension new style (mirrors mount on door skin) (rear frame) ID 84591777

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Suspension new style (mirrors mount on door skin) (rear frame) ID 84591777
Items in stock: 93

Chassis Computer - SIERRA 1500 PICKUP Temperature classic style (mirrors mount inner window corner) (Passenger Side under dash) ID 84237323

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Temperature classic style (mirrors mount inner window corner) (Passenger Side under dash) ID 84237323
Items in stock: 8

Chassis Computer - SIERRA 1500 PICKUP Temperature classic style (mirrors mount inner window corner) (Passenger Side under dash) ID 84237325

Chassis Computer - SIERRA 1500 PICKUP Temperature new style (mirrors mount on door skin) (Passenger Side under dash) ID 13507671

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Temperature new style (mirrors mount on door skin) (Passenger Side under dash) ID 13507671
Items in stock: 85

Chassis Computer - SIERRA 1500 PICKUP Temperature new style (mirrors mount on door skin) (Passenger Side under dash) ID 13507672

Chassis Computer - SIERRA 1500 PICKUP Temperature new style (mirrors mount on door skin) (Passenger Side under dash) ID 13507673

Chassis Computer - SIERRA 1500 PICKUP Temperature new style (mirrors mount on door skin) (Passenger Side under dash) ID 84569253

Chassis Computer - SIERRA 1500 PICKUP Temperature new style (mirrors mount on door skin) (Passenger Side under dash) ID 84569254

Chassis Computer - SIERRA 1500 PICKUP Temperature new style (mirrors mount on door skin) (Passenger Side under dash) ID 84569255

Chassis Computer - SIERRA 1500 PICKUP Theft-Locking (new style, mirrors mount on door skin) (keyless entry, left hand under dash)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Theft-Locking (new style, mirrors mount on door skin) (keyless entry, left hand under dash)
Items in stock: 467

Chassis Computer - SIERRA 1500 PICKUP Towing Control classic style (mirrors mount inner window corner) (left hand rear frame)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Towing Control classic style (mirrors mount inner window corner) (left hand rear frame)
Items in stock: 503

Chassis Computer - SIERRA 1500 PICKUP Towing Control new style (mirrors mount on door skin) (behind left hand bumper) tow package

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Towing Control new style (mirrors mount on door skin) (behind left hand bumper) tow package
Items in stock: 87

Chassis Computer - SIERRA 1500 PICKUP Towing Control new style (mirrors mount on door skin) (behind left hand bumper) trailer lamp control

Chassis Computer - SIERRA 1500 PICKUP Transfer Case classic style (mirrors mount inner window corner) (left hand dash)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Transfer Case classic style (mirrors mount inner window corner) (left hand dash)
Items in stock: 82

Chassis Computer - SIERRA 1500 PICKUP Transfer Case new style (mirrors mount on door skin) (left hand inner fender) ID 84414504

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Transfer Case new style (mirrors mount on door skin) (left hand inner fender) ID 84414504
Items in stock: 269

Chassis Computer - SIERRA 1500 PICKUP Transfer Case new style (mirrors mount on door skin) (left hand inner fender) ID 84691765

Chassis Computer - SIERRA 1500 PICKUP Transmission Control classic style (mirrors mount inner window corner) (firewall mounted)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Transmission Control classic style (mirrors mount inner window corner) (firewall mounted)
Items in stock: 981

Chassis Computer - SIERRA 1500 PICKUP Transmission Control new style (mirrors mount on door skin) (left hand core support)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA 1500 PICKUP Transmission Control new style (mirrors mount on door skin) (left hand core support)
Items in stock: 109

Chassis Computer - SIERRA DENALI 1500 Air Bag (Passenger Side rear floor)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Air Bag (Passenger Side rear floor)
Items in stock: 432

Chassis Computer - SIERRA DENALI 1500 Body Control (BCM) body control (under steering column)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Body Control (BCM) body control (under steering column)
Items in stock: 555

Chassis Computer - SIERRA DENALI 1500 Body Control (BCM) running board (opt BRS) (under right side step bar)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Body Control (BCM) running board (opt BRS) (under right side step bar)
Items in stock: 1

Chassis Computer - SIERRA DENALI 1500 Communication (telematics) (left hand dash)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Communication (telematics) (left hand dash)
Items in stock: 949

Chassis Computer - SIERRA DENALI 1500 Driver Side Assist park assist (Passenger Side cab back panel) opt UD5

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Driver Side Assist park assist (Passenger Side cab back panel) opt UD5
Items in stock: 124

Chassis Computer - SIERRA DENALI 1500 Driver Side Assist park assist (Passenger Side cab back panel) opt UD7

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Driver Side Assist park assist (Passenger Side cab back panel) opt UD7
Items in stock: 124

Chassis Computer - SIERRA DENALI 1500 Driver Side Assist surround view (Passenger Side cab back panel) ID 84656961

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Driver Side Assist surround view (Passenger Side cab back panel) ID 84656961
Items in stock: 16

Chassis Computer - SIERRA DENALI 1500 Driver Side Assist surround view (Passenger Side cab back panel) ID 84680218

Chassis Computer - SIERRA DENALI 1500 Driver Side Assist surround view (Passenger Side cab back panel) ID 84691752

Chassis Computer - SIERRA DENALI 1500 Driver Side Assist surround view (Passenger Side cab back panel) ID 84691754

Chassis Computer - SIERRA DENALI 1500 Fuel Pump (Passenger Side rear frame rail)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Fuel Pump (Passenger Side rear frame rail)
Items in stock: 491

Chassis Computer - SIERRA DENALI 1500 Memory (under Driver Side seat)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Memory (under Driver Side seat)
Items in stock: 1467

Chassis Computer - SIERRA DENALI 1500 Multifunction (roof mounted)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Multifunction (roof mounted)
Items in stock: 946

Chassis Computer - SIERRA DENALI 1500 Network Gateway (left hand rear engine compartment)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Network Gateway (left hand rear engine compartment)
Items in stock: 678

Chassis Computer - SIERRA DENALI 1500 Power Supply (behind rear seat) 100 volt (opt KI4)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Power Supply (behind rear seat) 100 volt (opt KI4)
Items in stock: 140

Chassis Computer - SIERRA DENALI 1500 Power Supply (behind rear seat) 230 volt (opt KI5)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Power Supply (behind rear seat) 230 volt (opt KI5)
Items in stock: 2

Chassis Computer - SIERRA DENALI 1500 Suspension (rear frame) ID 84447009

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Suspension (rear frame) ID 84447009
Items in stock: 25

Chassis Computer - SIERRA DENALI 1500 Suspension (rear frame) ID 84571533

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Suspension (rear frame) ID 84571533
Items in stock: 93

Chassis Computer - SIERRA DENALI 1500 Suspension (rear frame) ID 84591777

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Suspension (rear frame) ID 84591777
Items in stock: 93

Chassis Computer - SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 13507671

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 13507671
Items in stock: 85

Chassis Computer - SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 13507672

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 13507672
Items in stock: 8

Chassis Computer - SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 13507673

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 13507673
Items in stock: 2

Chassis Computer - SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 84569253

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 84569253
Items in stock: 0

Chassis Computer - SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 84569254

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 84569254
Items in stock: 1

Chassis Computer - SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 84569255

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Temperature (Passenger Side under dash) ID 84569255
Items in stock: 5

Chassis Computer - SIERRA DENALI 1500 Theft-Locking (keyless entry, left hand under dash)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Theft-Locking (keyless entry, left hand under dash)
Items in stock: 467

Chassis Computer - SIERRA DENALI 1500 Towing Control (behind left hand bumper) tow package

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Towing Control (behind left hand bumper) tow package
Items in stock: 87

Chassis Computer - SIERRA DENALI 1500 Towing Control (behind left hand bumper) trailer lamp control

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Towing Control (behind left hand bumper) trailer lamp control
Items in stock: 10

Chassis Computer - SIERRA DENALI 1500 Transfer Case (left hand inner fender) ID 84414504

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Transfer Case (left hand inner fender) ID 84414504
Items in stock: 269

Chassis Computer - SIERRA DENALI 1500 Transfer Case (left hand inner fender) ID 84691765

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Transfer Case (left hand inner fender) ID 84691765
Items in stock: 269

Chassis Computer - SIERRA DENALI 1500 Transmission Control (left hand core support)

Select Fitment This fitment option is for 2019 GMC Sierra 1500 HD, select this option for SIERRA DENALI 1500 Transmission Control (left hand core support)
Items in stock: 109

Interchange Fitment FAQs

Q: How does interchange fitment work for my 2019 GMC Sierra 1500 HD Chassis Computer?

A: All Chassis Computer options shown on this page are matched to your selected configuration: 2019 GMC Sierra 1500 HD. Used OEM parts are dismantled from donor vehicles as complete assemblies, and a specific interchange fitment is assigned during this process. Every detail shown in the fitment notes must match your vehicle exactly.

Q: What is an interchange fitment option for my 2019 GMC Sierra 1500 HD?

A: An interchange fitment option defines the exact donor vehicle configuration your part came from. For 2019 GMC Sierra 1500 HD, this may include engine size, VIN code, transmission model, drivetrain, axle ratio, and other critical identifiers. This data comes from VIN decoding, OEM information, and physical inspection of the donor vehicle.

Q: Why must every fitment detail match for my 2019 GMC Sierra 1500 HD?

A: Used OEM parts are not universal. If any fitment detail for your 2019 GMC Sierra 1500 HD differs from what is shown in the fitment notes, the Chassis Computer may not install, communicate with your vehicle, or function correctly. Always verify all fitment details before ordering.

Q: Where does the fitment information for my 2019 GMC Sierra 1500 HD come from?

A: Fitment information is captured when the donor vehicle is dismantled. The yard decodes the VIN for 2019 GMC Sierra 1500 HD, checks OEM data and interchange databases, and verifies details during physical inspection. The resulting fitment is then assigned to the Chassis Computer assembly.

Q: What if there are multiple fitment options for my 2019 GMC Sierra 1500 HD?

A: Many 2019 GMC Sierra 1500 HD vehicles were built with multiple configurations in the same year and trim. Trim name alone (XLT, Limited, Sport, etc.) is not enough. You must match the exact configuration shown in the fitment notes—such as engine size, transmission type, drivetrain, and axle ratio—before selecting a Chassis Computer.

Q: Where can I find my 2019 GMC Sierra 1500 HD VIN??

A: You can find the VIN for your 2019 GMC Sierra 1500 HD on the driver-side dashboard (visible through the windshield), inside the driver-side door jamb, and on your registration or insurance documents. The VIN helps confirm the correct configuration and fitment.

Q: Do trim levels affect fitment on my 2019 GMC Sierra 1500 HD?

A: Yes. Trim levels on your 2019 GMC Sierra 1500 HD can affect electronics, sensors, body parts, and interior components. Always match the detailed fitment notes for your configuration, not just the trim name, before selecting a Chassis Computer.

Attention!

There are 86 Chassis Computer choices for the 2019 GMC Sierra 1500 HD!!!

Chassis Computer (-)

SIERRA 1500 PICKUP
- Air Bag
  - classic style (mirrors mount inner window corner)
    - (on transmission tunnel) (272/0)
  - new style (mirrors mount on door skin)
    - (Passenger Side rear floor) (432/0)
- Body Control (BCM)
  - classic style (mirrors mount inner window corner)
    - (under steering column)
      - ID 13508761 (555/0)
      - ID 13521450 (830/0)
      - ID 13528935 (830/0)
      - ID 13528938 (830/0)
      - ID 13528941 (830/0)
  - new style (mirrors mount on door skin)
    - (under steering column) (555/0)
- Communication
  - classic style (mirrors mount inner window corner)
    - telematics
      - (center dash, behind radio)
        ID 84165662 (15/0)
        ID 84293872 (725/0)
    - wireless charger
      - (under console) (146/0)
  - new style (mirrors mount on door skin)
    - (telematics)
      - (left hand dash) (949/0)
- Driver Side Assist
  - classic style (mirrors mount inner window corner)
    - (park assist)
      - (Passenger Side cab back panel)
        opt UD5 (192/0)
        opt UD7 (413/0)
  - new style (mirrors mount on door skin)
    - park assist
      - (Passenger Side cab back panel)
        opt UD5 (124/0)
        opt UD7 (124/0)
    - surround view
      - (Passenger Side cab back panel)
        ID 84656961 (16/0)
        ID 84680218 (0/0)
        ID 84691752 (16/0)
        ID 84691754 (0/0)
- Fuel Pump
  - classic style (mirrors mount inner window corner)
    - (left hand frame rail) (2071/0)
  - new style (mirrors mount on door skin)
    - (Passenger Side rear frame rail) (491/0)
- Information-GPS-TV
  - (classic style, mirrors mount inner window)
    - (left hand dash)
      - (human machine interface bypass) (120/0)
    - (Passenger Side dash)
      - (human machine interface, HMI)
        ID 84296482 (9/0)
        ID 84513027 (76/0)
        ID 84546901 (1/0)
        ID 84546902 (95/0)
        ID 84546904 (76/0)
- Memory
  - (under Driver Side seat) (1467/0)
- Multifunction
  - (roof mounted) (946/0)
- Network Gateway
  - classic style (mirrors mount inner window corner)
    - (left hand rear engine compartment)
      - (ID 13599318) (1162/0)
  - new style (mirrors mount on door skin)
    - (left hand rear engine compartment) (678/0)
- Power Supply
  - (new style, mirrors mount on door skin)
    - (behind rear seat)
      - 100 volt (opt KI4) (140/0)
      - 230 volt (opt KI5) (2/0)
- Suspension
  - classic style (mirrors mount inner window corner)
    - (rear frame) (104/0)
  - new style (mirrors mount on door skin)
    - (rear frame)
      - ID 84447009 (25/0)
      - ID 84571533 (93/0)
      - ID 84591777 (93/0)
- Temperature
  - classic style (mirrors mount inner window corner)
    - (Passenger Side under dash)
      - ID 84237323 (8/0)
      - ID 84237325 (172/0)
  - new style (mirrors mount on door skin)
    - (Passenger Side under dash)
      - ID 13507671 (85/0)
      - ID 13507672 (8/0)
      - ID 13507673 (2/0)
      - ID 84569253 (0/0)
      - ID 84569254 (1/0)
      - ID 84569255 (5/0)
- Theft-Locking
  - (new style, mirrors mount on door skin)
    - (keyless entry, left hand under dash) (467/0)
- Towing Control
  - classic style (mirrors mount inner window corner)
    - (left hand rear frame) (503/0)
  - new style (mirrors mount on door skin)
    - (behind left hand bumper)
      - tow package (87/0)
      - trailer lamp control (10/0)
- Transfer Case
  - classic style (mirrors mount inner window corner)
    - (left hand dash) (82/0)
  - new style (mirrors mount on door skin)
    - (left hand inner fender)
      - ID 84414504 (269/0)
      - ID 84691765 (269/0)
- Transmission Control
  - classic style (mirrors mount inner window corner)
    - (firewall mounted) (981/0)
  - new style (mirrors mount on door skin)
    - (left hand core support) (109/0)
SIERRA DENALI 1500
- Air Bag
  - (Passenger Side rear floor) (432/0)
- Body Control (BCM)
  - body control
    - (under steering column) (555/0)
  - running board (opt BRS)
    - (under right side step bar) (1/0)
- Communication
  - (telematics)
    - (left hand dash) (949/0)
- Driver Side Assist
  - park assist
    - (Passenger Side cab back panel)
      - opt UD5 (124/0)
      - opt UD7 (124/0)
  - surround view
    - (Passenger Side cab back panel)
      - ID 84656961 (16/0)
      - ID 84680218 (0/0)
      - ID 84691752 (16/0)
      - ID 84691754 (0/0)
- Fuel Pump
  - (Passenger Side rear frame rail) (491/0)
- Memory
  - (under Driver Side seat) (1467/0)
- Multifunction
  - (roof mounted) (946/0)
- Network Gateway
  - (left hand rear engine compartment) (678/0)
- Power Supply
  - (behind rear seat)
    - 100 volt (opt KI4) (140/0)
    - 230 volt (opt KI5) (2/0)
- Suspension
  - (rear frame)
    - ID 84447009 (25/0)
    - ID 84571533 (93/0)
    - ID 84591777 (93/0)
- Temperature
  - (Passenger Side under dash)
    - ID 13507671 (85/0)
    - ID 13507672 (8/0)
    - ID 13507673 (2/0)
    - ID 84569253 (0/0)
    - ID 84569254 (1/0)
    - ID 84569255 (5/0)
- Theft-Locking
  - (keyless entry, left hand under dash) (467/0)
- Towing Control
  - (behind left hand bumper)
    - tow package (87/0)
    - trailer lamp control (10/0)
- Transfer Case
  - (left hand inner fender)
    - ID 84414504 (269/0)
    - ID 84691765 (269/0)
- Transmission Control
  - (left hand core support) (109/0)

Select the right Chassis Computer for your 2019 GMC Sierra 1500 HD

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2019 GMC Sierra 1500 HD Chassis Computer

Select the right Chassis Computer for your 2019 GMC Sierra 1500 HD

Interchange Fitment FAQs

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