Remanufactured 6.6L Duramax LB7/LLY Diesel Engine — Houston, TX
A remanufactured 6.6L Duramax LB7/LLY Diesel engine rebuilt to OEM spec, tested, and VIN-verified for your exact vehicle — backed by a 3-year / 100,000-mile warranty. Not a salvage-row gamble. Shipped nationwide from our Pasadena, TX shop.
Why a Remanufactured 6.6L Duramax LB7/LLY Diesel?
The early GM 6.6L Duramax LB7 is famous for injector failure (they’re inside the valley), and the LLY for overheating when towing. A remanufactured LB7/LLY is rebuilt to OEM spec with injectors and cooling weak points addressed, VIN-matched to your Silverado/Sierra 2500/3500, warrantied 3yr/100k.
Warranty Tiers
Reman includes the strongest coverage — extendable.
Fits These Vehicles
The same 6.6L Duramax LB7/LLY Diesel engine family covers these applications — we VIN-match the exact variant.
What's Included & Tested
Frequently Asked Questions
How much is a remanufactured 6.6L Duramax LB7/LLY Diesel?
Pricing depends on your exact application and options — so instead of a guess, send us your VIN and we'll confirm the correct reman unit and give you an accurate quote fast. Every order carries a 0% restocking fee, so there's zero risk if plans change. Call (281) 436-9991 or WhatsApp 832-373-0342.
Used, rebuilt, or remanufactured 6.6L Duramax LB7/LLY Diesel — which should I buy?
For a 6.6L Duramax LB7/LLY Diesel, a remanufactured unit is rebuilt to OEM spec with a 3-year/100k warranty and the known weak points addressed. A local rebuild depends on one shop and can repeat the same failure. A used 6.6L Duramax LB7/LLY Diesel is cheaper but carries unknown miles. We carry used and reman side by side — send your VIN and we'll price both.
Do you ship outside Houston?
Yes — nationwide shipping, plus free local delivery in the Houston/Pasadena area with our own drivers.