This used 2009–2010 Buick Lucerne 3.9L engine for sale is a gasoline engine with 58,436 miles, removed from a donor Buick Lucerne LZ9 3.9L engine and inspected before listing. It is a practical replacement option for owners who need the correct factory setup, especially buyers searching for a Buick Lucerne 3.9 LZ9 V6 engine with clear mileage and interchange details.
- Removed from a compatible donor Buick Lucerne
- Stored indoors under protected conditions after removal
- External housing and mounting areas visually inspected
This engine is intended for select 2009 and 2010 Buick Lucerne models equipped with the 3.9L gasoline V6, LZ9 engine option, and VIN 1 in the eighth position. Buyers searching for a 2009 Buick Lucerne engine, 2010 Buick Lucerne engine, or Buick Lucerne 3.9L LZ9 V6 engine should verify compatibility using the complete VIN, LZ9 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 1 eighth digit, LZ9 engine code, 3.9L 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: 3.9L Naturally Aspirated V6 Gasoline
Engine Code: LZ9
Mileage: 58,436 miles
Compatibility: Select 2009–2010 Buick Lucerne models
VIN Reference: 1 in the 8th position
Fuel System: Sequential electronic fuel injection
Induction: Naturally aspirated
Interchange: 300-04039
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


















