This 2017 2018 2019 GMC Sierra 2500 HD 6.6L L5P engine for sale is a high-quality Duramax L5P engine designed to deliver the torque, reliability, and durability demanded by heavy-duty GMC trucks. With 58,982 miles, this used GMC engine offers strong remaining service life and dependable real-world performance.

The engine has been fully tested and certified, including compression checks and oil-leak inspections, to verify internal integrity and smooth operation. Removed from a properly maintained vehicle, it is rated A-grade and stored in controlled conditions to preserve mechanical quality. This L5P Duramax motor is well-suited for direct replacement in Sierra 2500 HD applications where OEM fitment and reliability matter.

Engine Highlights & Condition

Engine Type: 6.6L Duramax L5P Turbo Diesel

Mileage: 58,982 miles (verified)

Vehicle Fitment: 2017–2019 GMC Sierra 2500 HD

Testing Completed: Compression and oil-leak inspections passed

Condition Grade: A-grade, quality-tested engine

Performance: Smooth, consistent power delivery

Warranty: Coverage available with extension options

Shipping: Fast, secure nationwide delivery available

This L5P engine provides a cost-effective alternative to new, without compromising on performance or reliability—making it a smart choice for work trucks and demanding applications.

Check current L5P price and availability with Blue Prism Automotive today. Speak with our experts for fitment confirmation, warranty options, and fast shipping.
 
Key Specifications:
 
Brand: GMC
Engine Size: 6.6L (VIN Y, 8th digit, opt L5P)
Mileage: 58,982 miles
Interchange Part Number: 300-10089
Part Grade: A (Certified)
Part Category: U (Used)
Performance: Engineered for reliable power and optimized fuel efficiency
Warranty: 1-year warranty included
Shipping: Fast, free delivery to commercial addresses