How are the engines tested before being sold?

Each engine undergoes rigorous testing, including visual inspections, compression tests, and oil leak tests, to ensure that they meet OEM standards for performance and durability.

Can you ship to any location in the USA?

Yes, we have a nationwide network, allowing us to ship used Land Rover engines to any location across the United States, including major cities like Los Angeles, New York, and Chicago.

What maintenance should I expect after installing a used engine?

Replacement guidance suggests adding or upgrading external parts: Water pump Oil pump (often upgraded aftermarket like Dorman) Gaskets and hoses Electrical compatibility checks with ECM Plan an additional budget for these parts during engine installation.

This 2009–2010 Buick Lucerne 3.9L LZ9 engine is a reliable OEM-spec replacement designed to restore smooth performance and dependable drivability. With 58,436 verified miles, this used Buick engine offers a strong balance of remaining engine life and proven durability.

Each Buick 3.9 V6 LZ9 engine is fully tested and certified, including compression and leak-down testing to confirm internal integrity and efficient combustion. The engine was removed from a well-maintained, non-corroded donor vehicle, ensuring clean internals and consistent operation.

Built with sequential fuel injection, optimized valve timing, and a durable cast-iron block, this 3.9L V6 Buick Lucerne engine delivers smooth ignition response, stable power delivery, and long-term reliability. It is warranty-backed and stored under protected conditions to preserve quality until installation. Fast shipping is available nationwide.

This LZ9 engine is a quality-tested, affordable solution for restoring factory performance in your Buick Lucerne.

Get expert engine support and real warranty protection from Blue Prism Automotive. Request pricing today and schedule fast, insured delivery anywhere in the U.S.

Key Features:

Brand: Buick
Engine Size: 3.9L, VIN 1 (8th digit, opt LZ9)
Mileage: 58,436 miles
Interchange Part Number: 300-04039
Part Grade: A (Certified)
Part Category: U (Used)
Performance: Built for reliable power and optimized fuel efficiency
Warranty: 1-year warranty included
Shipping: Fast, free delivery to commercial addresses

2009 2010 Buick Lucerne 3.9L LZ9 Engine For Sale

SKU: USED-ENG-1096

$1,100.00

$1,034.00

Request Custom Quote

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Buick Lucerne 2009-2010 3.9L, VIN 1 (8th digit, opt LZ9)
This fully assembled long block includes all the essential components you need for installation, such as:

Complete Engine Assembly

Intake Manifold

Exhaust Manifold

Fuel Injectors

Throttle Body

Alternator

Power Steering Pump

Water Pump

A/C Compressor

Engine Wiring Harness
When you're buying an engine, you want something that's tested, reliable, and ready to go. That's what you're getting here:

Fully Tested: Every engine I sell has been compression tested, checked for oil pressure, and run at operating temperature to ensure you won’t run into any surprises after installation.

Complete Package: It’s a long block, which means all the core components are included. No hunting around for separate parts.

1-Year Warranty: You get peace of mind with a full 1-year manufacturer warranty, so if there’s any issue with the engine, you’re covered.

OEM Quality: This isn’t a rebuild or aftermarket part. It’s an OEM engine, so you can trust it’ll fit and perform just like the original.
Shipping can be arranged to either a business or residential address. If you’re having the engine shipped to a residential location, just note that there may be an extra charge. Once it arrives, we recommend inspecting the shipment thoroughly before signing off, especially if there's visible damage. If anything looks out of place, make sure it’s documented.
When it comes to installation, you may need to transfer over some of your existing accessories like the manifolds.

This is standard with most engine swaps, so your mechanic will know what to do.
For any questions regarding compatibility or shipping details, please feel free to reach out! Ensure this engine fits your vehicle by verifying the VIN and specific requirements before purchase