1988 GMC Suburban Transmissions

1988 GMC Suburban Transmission Assembly (No parts in stock)
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Transmission Assembly (Not Actual Photo)
Summary
Year: 1988change
Make: GMCchange
Model: Suburbanchange
Item: Transmission Assembly
Condition: OEM Used
Items Available: 0
Price Range: N/A
Local Discount: N/A
Returns: Cancellation & Return Policy
Item: Transmission Assembly change
Condition: OEM Usedchange
Items Available: 0
Price Range: N/A
Local Discount: N/A
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Select the right Transmission for your 1988 GMC Suburban

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.

Transmission - SUBURBAN 10 Automatic Transmission 4x2 TH400
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 10 Automatic Transmission 4x2 TH400
Items in stock: 0
Transmission - SUBURBAN 10 Automatic Transmission 4x2 TH700 diesel
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 10 Automatic Transmission 4x2 TH700 diesel
Items in stock: 0
Transmission - SUBURBAN 10 Automatic Transmission 4x2 TH700 gasoline ECU equipped
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 10 Automatic Transmission 4x2 TH700 gasoline ECU equipped
Items in stock: 0
Transmission - SUBURBAN 10 Automatic Transmission 4x2 TH700 gasoline Without ECU equipped
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 10 Automatic Transmission 4x2 TH700 gasoline Without ECU equipped
Items in stock: 0
Transmission - SUBURBAN 10 Automatic Transmission 4x4 TH400 diesel
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 10 Automatic Transmission 4x4 TH400 diesel
Items in stock: 0
Transmission - SUBURBAN 10 Automatic Transmission 4x4 TH400 gasoline
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 10 Automatic Transmission 4x4 TH400 gasoline
Items in stock: 0
Transmission - SUBURBAN 10 Automatic Transmission 4x4 TH700 diesel
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 10 Automatic Transmission 4x4 TH700 diesel
Items in stock: 0
Transmission - SUBURBAN 10 Automatic Transmission 4x4 TH700 gasoline
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 10 Automatic Transmission 4x4 TH700 gasoline
Items in stock: 0
Transmission - SUBURBAN 10 Manual Transmission (4 speed) integral clutch housing
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 10 Manual Transmission (4 speed) integral clutch housing
Items in stock: 0
Transmission - SUBURBAN 10 Manual Transmission (4 speed) separate clutch housing 4x2
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 10 Manual Transmission (4 speed) separate clutch housing 4x2
Items in stock: 0
Transmission - SUBURBAN 10 Manual Transmission (4 speed) separate clutch housing 4x4
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 10 Manual Transmission (4 speed) separate clutch housing 4x4
Items in stock: 0
Transmission - SUBURBAN 1500 Automatic Transmission 4x2 TH400
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 1500 Automatic Transmission 4x2 TH400
Items in stock: 0
Transmission - SUBURBAN 1500 Automatic Transmission 4x2 TH700 diesel
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 1500 Automatic Transmission 4x2 TH700 diesel
Items in stock: 0
Transmission - SUBURBAN 1500 Automatic Transmission 4x2 TH700 gasoline ECM equipped
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 1500 Automatic Transmission 4x2 TH700 gasoline ECM equipped
Items in stock: 0
Transmission - SUBURBAN 1500 Automatic Transmission 4x2 TH700 gasoline Without ECM equipped
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 1500 Automatic Transmission 4x2 TH700 gasoline Without ECM equipped
Items in stock: 0
Transmission - SUBURBAN 1500 Automatic Transmission 4x4 TH400 diesel
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 1500 Automatic Transmission 4x4 TH400 diesel
Items in stock: 0
Transmission - SUBURBAN 1500 Automatic Transmission 4x4 TH400 gasoline
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 1500 Automatic Transmission 4x4 TH400 gasoline
Items in stock: 0
Transmission - SUBURBAN 1500 Automatic Transmission 4x4 TH700 diesel
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 1500 Automatic Transmission 4x4 TH700 diesel
Items in stock: 0
Transmission - SUBURBAN 1500 Automatic Transmission 4x4 TH700 gasoline
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 1500 Automatic Transmission 4x4 TH700 gasoline
Items in stock: 0
Transmission - SUBURBAN 1500 Manual Transmission (4 speed) integral clutch housing
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 1500 Manual Transmission (4 speed) integral clutch housing
Items in stock: 0
Transmission - SUBURBAN 1500 Manual Transmission (4 speed) separate clutch housing 4x2
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 1500 Manual Transmission (4 speed) separate clutch housing 4x2
Items in stock: 0
Transmission - SUBURBAN 1500 Manual Transmission (4 speed) separate clutch housing 4x4
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 1500 Manual Transmission (4 speed) separate clutch housing 4x4
Items in stock: 0
Transmission - SUBURBAN 20 Automatic Transmission 4x2 TH400
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 20 Automatic Transmission 4x2 TH400
Items in stock: 0
Transmission - SUBURBAN 20 Automatic Transmission 4x2 TH700 diesel
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 20 Automatic Transmission 4x2 TH700 diesel
Items in stock: 0
Transmission - SUBURBAN 20 Automatic Transmission 4x2 TH700 gasoline ECU equipped
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 20 Automatic Transmission 4x2 TH700 gasoline ECU equipped
Items in stock: 0
Transmission - SUBURBAN 20 Automatic Transmission 4x2 TH700 gasoline Without ECU equipped
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 20 Automatic Transmission 4x2 TH700 gasoline Without ECU equipped
Items in stock: 0
Transmission - SUBURBAN 20 Automatic Transmission 4x4 TH400 diesel
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 20 Automatic Transmission 4x4 TH400 diesel
Items in stock: 0
Transmission - SUBURBAN 20 Automatic Transmission 4x4 TH400 gasoline
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 20 Automatic Transmission 4x4 TH400 gasoline
Items in stock: 0
Transmission - SUBURBAN 20 Automatic Transmission 4x4 TH700 diesel
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 20 Automatic Transmission 4x4 TH700 diesel
Items in stock: 0
Transmission - SUBURBAN 20 Automatic Transmission 4x4 TH700 gasoline
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 20 Automatic Transmission 4x4 TH700 gasoline
Items in stock: 0
Transmission - SUBURBAN 20 Manual Transmission 4 speed integral clutch housing
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 20 Manual Transmission 4 speed integral clutch housing
Items in stock: 0
Transmission - SUBURBAN 20 Manual Transmission 4 speed separate clutch housing 4x2
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 20 Manual Transmission 4 speed separate clutch housing 4x2
Items in stock: 0
Transmission - SUBURBAN 20 Manual Transmission 4 speed separate clutch housing 4x4
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 20 Manual Transmission 4 speed separate clutch housing 4x4
Items in stock: 0
Transmission - SUBURBAN 20 Manual Transmission 5 speed 4x2
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 20 Manual Transmission 5 speed 4x2
Items in stock: 0
Transmission - SUBURBAN 20 Manual Transmission 5 speed 4x4
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 20 Manual Transmission 5 speed 4x4
Items in stock: 0
Transmission - SUBURBAN 2500 Automatic Transmission 4x2 TH400
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Automatic Transmission 4x2 TH400
Items in stock: 0
Transmission - SUBURBAN 2500 Automatic Transmission 4x2 TH700 diesel
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Automatic Transmission 4x2 TH700 diesel
Items in stock: 0
Transmission - SUBURBAN 2500 Automatic Transmission 4x2 TH700 gasoline ECU equipped
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Automatic Transmission 4x2 TH700 gasoline ECU equipped
Items in stock: 0
Transmission - SUBURBAN 2500 Automatic Transmission 4x2 TH700 gasoline Without ECU equipped
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Automatic Transmission 4x2 TH700 gasoline Without ECU equipped
Items in stock: 0
Transmission - SUBURBAN 2500 Automatic Transmission 4x4 TH400 diesel
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Automatic Transmission 4x4 TH400 diesel
Items in stock: 0
Transmission - SUBURBAN 2500 Automatic Transmission 4x4 TH400 gasoline
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Automatic Transmission 4x4 TH400 gasoline
Items in stock: 0
Transmission - SUBURBAN 2500 Automatic Transmission 4x4 TH700 diesel
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Automatic Transmission 4x4 TH700 diesel
Items in stock: 0
Transmission - SUBURBAN 2500 Automatic Transmission 4x4 TH700 gasoline
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Automatic Transmission 4x4 TH700 gasoline
Items in stock: 0
Transmission - SUBURBAN 2500 Manual Transmission 4 speed 4x2
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Manual Transmission 4 speed 4x2
Items in stock: 0
Transmission - SUBURBAN 2500 Manual Transmission 4 speed integral clutch housing
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Manual Transmission 4 speed integral clutch housing
Items in stock: 0
Transmission - SUBURBAN 2500 Manual Transmission 4 speed separate clutch housing 4x2
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Manual Transmission 4 speed separate clutch housing 4x2
Items in stock: 0
Transmission - SUBURBAN 2500 Manual Transmission 4 speed separate clutch housing 4x4
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Manual Transmission 4 speed separate clutch housing 4x4
Items in stock: 0
Transmission - SUBURBAN 2500 Manual Transmission 5 speed 4x2
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Manual Transmission 5 speed 4x2
Items in stock: 0
Transmission - SUBURBAN 2500 Manual Transmission 5 speed 4x4
Select Fitment This fitment option is for 1988 GMC Suburban, select this option for SUBURBAN 2500 Manual Transmission 5 speed 4x4
Items in stock: 0

Interchange Fitment FAQs

Q: How does interchange fitment work for my 1988 GMC Suburban Transmission?

A: All Transmission options shown on this page are matched to your selected configuration: 1988 GMC Suburban. 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 1988 GMC Suburban?

A: An interchange fitment option defines the exact donor vehicle configuration your part came from. For 1988 GMC Suburban, 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 1988 GMC Suburban?

A: Used OEM parts are not universal. If any fitment detail for your 1988 GMC Suburban differs from what is shown in the fitment notes, the Transmission 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 1988 GMC Suburban come from?

A: Fitment information is captured when the donor vehicle is dismantled. The yard decodes the VIN for 1988 GMC Suburban, checks OEM data and interchange databases, and verifies details during physical inspection. The resulting fitment is then assigned to the Transmission assembly.

Q: What if there are multiple fitment options for my 1988 GMC Suburban?

A: Many 1988 GMC Suburban 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 Transmission.

Q: Where can I find my 1988 GMC Suburban VIN??

A: You can find the VIN for your 1988 GMC Suburban 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: How do I verify the correct transmission for my 1988 GMC Suburban?

A: For transmission fitment, match transmission type (automatic or manual), number of speeds, drivetrain (2WD, 4WD, or AWD), and transmission model as shown in the fitment notes for your 1988 GMC Suburban. All of these must match before you select a transmission.

Q: Why does drivetrain matter for my 1988 GMC Suburban transmission?

A: 2WD, 4WD, and AWD transmissions are not interchangeable even if they look similar. The interchange fitment is assigned to the transmission based on the donor vehicle’s drivetrain, so your 1988 GMC Suburban must have the same drivetrain for the transmission to fit correctly.

Attention!

There are 49 Transmission Assembly choices for the 1988 GMC Suburban!!!
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