This is a used OEM 2015–2017 GMC Terrain 3.6L LFX engine for sale, sourced from a properly maintained donor SUV and handled carefully after removal. This naturally aspirated 2016 GMC Terrain LFX V6 engine has 53,987 miles and is a practical replacement option for owners who need a clean GMC Terrain 3.6 engine with mileage, fitment, and inspection details clearly listed before purchase.
- Removed from a running donor GMC Terrain
- Stored indoors under protected conditions after removal
- No visible external damage noted during inspection
This engine is compatible with select 2015, 2016, and 2017 GMC Terrain models equipped with the 3.6L LFX gasoline V6 and VIN 3 in the eighth position. It can be used as an OEM replacement when the complete VIN, trim level, drivetrain, transmission, emissions equipment, wiring connections, sensors, included accessories, and interchange number match the vehicle.
Before being listed, this used GMC engine was evaluated to confirm smooth starting, stable operation, and dependable overall mechanical condition.
- Compression checked for consistency across all six cylinders
- Oil and coolant leak areas inspected before shipment
- Starting response and idle stability evaluated during testing
- 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 identification, trim, drivetrain, transmission, emissions configuration, wiring, sensors, accessories, and interchange number before purchase is recommended to ensure proper fitment. Assistance is available if you need help confirming the correct match.
Key Specifications
Engine Type: 3.6L Naturally Aspirated V6 Gasoline
Engine Code: LFX
Mileage: 53,987 miles
Compatibility: GMC Terrain 2015–2017, VIN 3 in the 8th position
Fuel System: Direct fuel injection
Induction: Naturally aspirated
Interchange: 300-05836
Performance: Smooth V6 power with responsive acceleration and dependable everyday operation
Testing: Compression, leak, startup, idle, and operating-noise checks completed
Condition: A-grade used OEM engine
Storage: Indoor, protected pallet storage
Warranty: 6-month warranty, extendable up to 1 year on eligible units


















