| Summary | |||
|---|---|---|---|
| Year: | 2018change | ||
| Make: | Cadillacchange | ||
| Model: | XTSchange | ||
| Sub Models: | Basechange | ||
| Item: | Engine Assembly | ||
| Condition: | OEM Used | ||
| Items Available: | 225 | ||
| Price Range: | $434 - $3,921 (before local discount) | ||
| Local Discount: | Up to $100.00 | ||
| Returns: |
Cancellation & Return Policy | ||
| Item: | Engine Assembly change |
| Condition: | OEM Usedchange |
| Items Available: | 225 |
| Price Range: | $434 - $3,921 (before local discount) |
| Local Discount: | Up to $100.00 |
Quality Tested Parts
Nationwide Shipping
1-year warranty
Low Price Guarantee
30-Day Free ReturnsSelect the right Engine/Motor for your 2018 Cadillac XTS
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 - (3.6L) VIN 3 (8th digit, opt LFX)
Select FitmentThis fitment option is for 2018 Cadillac XTS opt LFX) 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: 221
Items in stock: 221
Engine/Motor - (3.6L) VIN 8 (8th digit, opt LF3)
Select FitmentThis fitment option is for 2018 Cadillac XTS opt LF3) with 3.6L Naturally Aspirated Gasoline engine. Designed for vehicles with automatic transmission. Matches vehicles with the 8th digit in the VIN is 8. Built to meet Federal (EPA) emissions standards.
Items in stock: 4
Items in stock: 4
Interchange Fitment FAQs
A: All Engine/Motor options shown on this page are matched to your selected configuration:
2018 Cadillac XTS.
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 XTS, 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 XTS 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 2018 Cadillac XTS, 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 2018 Cadillac XTS 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 2018 Cadillac XTS 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 2018 Cadillac XTS 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 2018 Cadillac XTS.
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 2 Engine Assembly choices for the
Verify Your Part
Engine Assembly (225)
- (3.6L)
- VIN 3 (8th digit, opt LFX) (221/225)
- VIN 8 (8th digit, opt LF3) (4/225)
Available Parts
- Engine Assembly (225)
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- Convertible Top Lift (-)
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- Door Assembly, Rear (28)
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- Door Window, Rear (5)
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- Pillar (31)
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- Quarter Window (25)
- Quarter Window Regulator, Rear (-)
- Radiator Support (3)
- Rear Clip Assembly (-)
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- Roof (4)
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- Tailgate Assembly (2)
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- Axle Carrier, Rear (1)
- Axle Housing (-)
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- Back Axle (-)
- Brake Master Cylinder (14)
- Bumper Shock (-)
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- Drive Shaft, Front (-)
- Drive Shaft, Rear (3)
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- Flywheel (116)
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- Leaf Spring, Rear (-)
- Lower Control Arm, Front (7)
- Lower Control Arm, Rear (2)
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- Power Steering Pump (23)
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- Ring Gear And Pinion (-)
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- Shock, Front (18)
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- Spindle (7)
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- Steering Gear (8)
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- Stub Axle, Rear (5)
- Suspension Compressor (-)
- Suspension Cross Member (492)
- Throttle Body (246)
- Timing Cover (-)
- Torque Converter (-)
- Torsion Bar (-)
- Transfer Case Assembly (47)
- Transfer Case Motor (-)
- Transmission Cooler (-)
- Turbo (-)
- Upper Control Arm, Front (-)
- Upper Control Arm, Rear (2)
- Vacuum Pump (2)
- Valve Cover (-)
- Water Pump (-)
- Window Regulator, Front (7)
- Window Regulator, Rear (4)
