This used 2015–2016 Buick LaCrosse 3.6L engine for sale is a gasoline engine with 58,387 miles, removed from a donor 2016 Buick LaCrosse LFX engine and inspected before listing. It is a practical replacement option for owners who need the correct factory setup, especially buyers searching for a LaCrosse 3.6L LFX engine with clear mileage and interchange details.
- Removed from a compatible donor Buick LaCrosse
- Stored indoors under protected conditions after removal
- External housing and mounting areas visually inspected
This engine is intended for select 2015 and 2016 Buick LaCrosse models equipped with the 3.6L LFX gasoline V6 and VIN 3 in the eighth position. Buyers searching for a 2016 Buick LaCrosse engine or a 2015 Buick LaCrosse engine 3.6L V6 should verify compatibility using the complete VIN, LFX engine identification, trim level, drivetrain, transmission, emissions configuration, wiring connections, sensors, included accessories, and interchange number.
Before being added to inventory, this used Buick engine was evaluated for general operating condition and replacement suitability.
- Compression checked across all six cylinders
- Oil and coolant leak areas inspected
- Starting response and idle stability evaluated
- No abnormal internal engine noise observed
A 6-month warranty is included, with an option to extend coverage up to 1 year on eligible units for added assurance. Verifying the VIN 3 eighth digit, LFX engine code, 3.6L V6 configuration, drivetrain, transmission, emissions setup, wiring, sensors, accessories, and interchange number before purchase is recommended to ensure proper fitment. Assistance is available to help confirm the correct engine match before ordering.
Key Specifications
Engine Type: 3.6L Naturally Aspirated Direct-Injection V6 Gasoline
Engine Code: LFX
Mileage: 58,387 miles
Compatibility: Select 2015–2016 Buick LaCrosse models
VIN Reference: 3 in the 8th position
Fuel System: Gasoline direct injection
Induction: Naturally aspirated
Valve Technology: Variable valve timing
Interchange: 300-05836
Testing: Compression, leak, startup, idle, and operating-noise checks completed
Condition: A-grade used OEM engine
Storage: Indoor, protected pallet storage
Warranty: A 6-month warranty is included, with an option to extend coverage up to 1 year
Shipping: Fast, insured freight delivery to commercial and residential addresses


















