| Summary | |||
|---|---|---|---|
| Year: | 2015change | ||
| Make: | Cadillacchange | ||
| Model: | ATSchange | ||
| Sub Models: | Performance; Premium; Base; Luxurychange | ||
| Engine Sizes: | 3.6L V6 FLEX; 2.0L L4 GAS; 2.5L L4 GASchange | ||
| Item: | Engine Assembly | ||
| Condition: | OEM Used | ||
| Items Available: | 53 | ||
| Price Range: | $1,506 - $2,998 (before local discount) | ||
| Local Discount: | Up to $100.00 | ||
| Returns: |
Cancellation & Return Policy | ||
| Item: | Engine Assembly change |
| Condition: | OEM Usedchange |
| Items Available: | 53 |
| Price Range: | $1,506 - $2,998 (before local discount) |
| Local Discount: | Up to $100.00 |
Quality Tested Parts
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30-Day Free ReturnsSelect the right Engine/Motor for your 2015 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.
Engine/Motor - 2.0L (VIN X, 8th digit, opt LTG) AWD
Select FitmentThis fitment option is for 2015 Cadillac ATS AWD with 2.0L Naturally Aspirated Gasoline engine. Designed for vehicles with automatic transmission. Matches vehicles with the 8th digit in the VIN is X. Built to meet Federal (EPA) emissions standards.
Items in stock: 31
Items in stock: 31
Engine/Motor - 2.0L (VIN X, 8th digit, opt LTG) RWD
Select FitmentThis fitment option is for 2015 Cadillac ATS RWD with 2.0L Naturally Aspirated Gasoline engine. Designed for vehicles with automatic transmission. Matches vehicles with the 8th digit in the VIN is X. Built to meet Federal (EPA) emissions standards.
Items in stock: 19
Items in stock: 19
Select FitmentThis fitment option is for 2015 Cadillac ATS Federal emissions (opt NT7) with 2.5L Naturally Aspirated Gasoline engine. Designed for vehicles with automatic transmission. Matches vehicles with the 8th digit in the VIN is A. Built to meet California (CARB) emissions standards.
Items in stock: 0
Items in stock: 0
Select FitmentThis fitment option is for 2015 Cadillac ATS opt NU6 with 2.5L Naturally Aspirated Gasoline engine. Designed for vehicles with automatic transmission. Matches vehicles with the 8th digit in the VIN is A. Built to meet California (CARB) emissions standards.
Items in stock: 0
Items in stock: 0
Engine/Motor - 2.5L (VIN A, 8th digit, opt LCV) Federal emissions (opt NT7)
Select FitmentThis fitment option is for 2015 Cadillac ATS Federal emissions (opt NT7) with 2.5L Naturally Aspirated Gasoline engine. Designed for vehicles with automatic transmission. Matches vehicles with the 8th digit in the VIN is A. Built to meet California (CARB) emissions standards.
Items in stock: 0
Items in stock: 0
Engine/Motor - 3.6L (VIN 3, 8th digit, opt LFX) AWD
Select FitmentThis fitment option is for 2015 Cadillac ATS AWD with 3.6L Naturally Aspirated Gasoline engine. Designed for vehicles with automatic transmission. Matches vehicles with the 8th digit in the VIN is 3. Built to meet Federal (EPA) emissions standards.
Items in stock: 0
Items in stock: 0
Engine/Motor - 3.6L (VIN 3, 8th digit, opt LFX) RWD
Select FitmentThis fitment option is for 2015 Cadillac ATS RWD with 3.6L Naturally Aspirated Gasoline engine. Designed for vehicles with automatic transmission. Matches vehicles with the 8th digit in the VIN is 3. Built to meet Federal (EPA) emissions standards.
Items in stock: 3
Items in stock: 3
Interchange Fitment FAQs
A: All Engine/Motor options shown on this page are matched to your selected configuration:
2015 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 2015 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 2015 Cadillac ATS differs from what is shown in the fitment notes,
the Engine/Motor 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 2015 Cadillac ATS, checks OEM data and interchange databases,
and verifies details during physical inspection. The resulting fitment is then assigned to the Engine/Motor assembly.
A: Many 2015 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 Engine/Motor.
A: You can find the VIN for your 2015 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 engine fitment, verify engine size (e.g., 2.7L, 3.5L, 5.0L), VIN engine code, fuel type, and whether the engine is turbocharged or naturally aspirated.
These details must match the fitment notes for your 2015 Cadillac ATS exactly before you select an engine.
A: Engine identifiers can often be confirmed through VIN decoding, emissions labels under the hood, under-hood information stickers, and dealer service records
for your 2015 Cadillac ATS.
Use this information to match the engine fitment exactly.
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 Engine Assembly choices for the
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- Window Regulator, Front (34)
- Window Regulator, Rear (29)
