| Summary | |||
|---|---|---|---|
| Year: | 2018change | ||
| Make: | Cadillacchange | ||
| Model: | ATSchange | ||
| Sub Models: | Basechange | ||
| Item: | Transmission Assembly | ||
| Condition: | OEM Used | ||
| Items Available: | 31 | ||
| Price Range: | $561 - $1,506 (before local discount) | ||
| Local Discount: | Up to $100.00 | ||
| Returns: |
Cancellation & Return Policy | ||
| Item: | Transmission Assembly change |
| Condition: | OEM Usedchange |
| Items Available: | 31 |
| Price Range: | $561 - $1,506 (before local discount) |
| Local Discount: | Up to $100.00 |
Quality Tested Parts
Nationwide Shipping
1-year warranty
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30-Day Free ReturnsSelect the right Transmission for your 2018 Cadillac ATS
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 - Automatic Transmission AWD 2.0L
Select FitmentThis fitment option is for 2018 Cadillac ATS 2.0L. This is an automatic transmission. Select this option if your vehicle has a 2.0L engine. It is made for AWD models.
Items in stock: 6
Items in stock: 6
Transmission - Automatic Transmission AWD 3.6L
Select FitmentThis fitment option is for 2018 Cadillac ATS 3.6L. This is an automatic transmission. Select this option if your vehicle has a 3.6L engine. It is made for AWD models.
Items in stock: 1
Items in stock: 1
Transmission - Automatic Transmission RWD 2.0L
Select FitmentThis fitment option is for 2018 Cadillac ATS 2.0L. This is an automatic transmission. Select this option if your vehicle has a 2.0L engine. It is made for RWD models.
Items in stock: 23
Items in stock: 23
Transmission - Automatic Transmission RWD 3.6L VIN S (8th digit, opt LGX)
Select FitmentThis fitment option is for 2018 Cadillac ATS opt LGX. This is an automatic transmission. Select this option if your vehicle has a 3.6L engine. It is made for RWD models. Matches vehicles with the 8th digit in the VIN is S.
Items in stock: 1
Items in stock: 1
Transmission - Automatic Transmission RWD 3.6L VIN Y (8th digit, opt LF4)
Select FitmentThis fitment option is for 2018 Cadillac ATS opt LF4. This is an automatic transmission. Select this option if your vehicle has a 3.6L engine. It is made for RWD models. Matches vehicles with the 8th digit in the VIN is Y.
Items in stock: 0
Items in stock: 0
Transmission - Manual Transmission 2.0L
Select FitmentThis fitment option is for 2018 Cadillac ATS 2.0L. This is a manual transmission. Select this option if your vehicle has a 2.0L engine.
Items in stock: 0
Items in stock: 0
Transmission - Manual Transmission 3.6L
Select FitmentThis fitment option is for 2018 Cadillac ATS 3.6L. This is a manual transmission. Select this option if your vehicle has a 3.6L engine.
Items in stock: 0
Items in stock: 0
Interchange Fitment FAQs
A: All Transmission options shown on this page are matched to your selected configuration:
2018 Cadillac ATS.
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.
A: An interchange fitment option defines the exact donor vehicle configuration your part came from. For 2018 Cadillac ATS, 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.
A: Used OEM parts are not universal. If any fitment detail for your 2018 Cadillac ATS 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.
A: Fitment information is captured when the donor vehicle is dismantled.
The yard decodes the VIN for 2018 Cadillac ATS, checks OEM data and interchange databases,
and verifies details during physical inspection. The resulting fitment is then assigned to the Transmission assembly.
A: Many 2018 Cadillac ATS 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.
A: You can find the VIN for your 2018 Cadillac ATS 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.
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 2018 Cadillac ATS.
All of these must match before you select a 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 2018 Cadillac ATS must have the same drivetrain for the transmission to fit correctly.
Enter your Zip Code below to find parts near you. The more local you shop, the more you save off the original sale price!
Attention!
There are 7 Transmission Assembly choices for the
Verify Your Part
Transmission Assembly (31)
- Automatic Transmission
- AWD
- RWD
- 2.0L (23/31)
- 3.6L
- VIN S (8th digit, opt LGX) (1/31)
- VIN Y (8th digit, opt LF4) (0/31)
- Manual Transmission
Available Parts
- Engine Assembly (90)
- Transmission Assembly (31)
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- Shift Lever (36)
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- Steering Wheel (-)
- Sun Visor (981)
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- ABS Control Module/Pump (55)
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- Axle Carrier, Rear (141)
- Axle Housing (-)
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- Axle, Front (-)
- Axle, Rear (-)
- Back Axle (-)
- Brake Master Cylinder (29)
- Bumper Shock (-)
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- Differential Assembly, Rear (-)
- Drive Shaft, Front (10)
- Drive Shaft, Rear (166)
- Engine Oil Cooler (-)
- Engine Pullout (-)
- Exhaust Manifold (-)
- Flywheel (76)
- Frame (-)
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- Hub Bearing (6)
- I Beam (-)
- Intake Manifold (1)
- Leaf Spring, Front (-)
- Leaf Spring, Rear (-)
- Lower Control Arm, Front (17)
- Lower Control Arm, Rear (49)
- Muffler (-)
- Oil Pan (-)
- Power Brake Booster (33)
- Power Steering Pump (-)
- Radiator Overflow Bottle (27)
- Ring Gear And Pinion (-)
- Shock Absorber (1)
- Shock, Front (33)
- Shock, Rear (51)
- Spindle (15)
- Spoiler, Rear (-)
- Steering Column (24)
- Steering Gear (14)
- Strut (9)
- Stub Axle, Rear (18)
- Suspension Compressor (-)
- Suspension Cross Member (224)
- Throttle Body (206)
- Timing Cover (-)
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- Torsion Bar (-)
- Transfer Case Assembly (76)
- Transfer Case Motor (-)
- Transmission Cooler (-)
- Turbo (457)
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- Upper Control Arm, Rear (16)
- Vacuum Pump (15)
- Valve Cover (1)
- Water Pump (-)
- Window Regulator, Front (21)
- Window Regulator, Rear (19)
