2004.5-2010 GM/CHEVROLET DURAMAX 6.6L LLY LBZ LMM INJECTOR O-RING SEAL KIT WITH NOZZLE CRUSH WASHER
Keep your Duramax injectors sealed and leak-free with this Injector O-Ring Seal Kit with Nozzle Crush Washer designed for 2004.5–2010 GM/Chevrolet 6.6L Duramax LLY, LBZ, and LMM engines. Each kit includes high-quality replacement O-rings and copper crush washers that ensure a perfect seal between the injector and the cylinder head, preventing fuel leaks and maintaining consistent combustion pressure.
Manufactured from premium materials to meet or exceed OEM specifications, these seals are resistant to diesel fuel, heat, and pressure—providing long-lasting durability and performance. Ideal for injector replacement or maintenance on your Duramax engine.
What’s Included in the Kit:
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(1) Injector O-Ring Seal Set
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(1) Copper Nozzle Crush Washer
Features and Benefits:
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Fits 2004.5–2010 GM/Chevrolet 6.6L Duramax LLY, LBZ, LMM
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Includes O-rings and copper crush washer for one injector
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Restores proper injector sealing and fuel system integrity
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Prevents combustion gas and fuel leaks
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Made from high-quality materials for long-term durability
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Compatible with OEM and remanufactured injectors
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Easy installation with precise fitment
Truck Compatibility:
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2004.5–2005 Chevrolet Silverado / GMC Sierra 2500HD, 3500 – 6.6L Duramax LLY
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2006–2007 Chevrolet Silverado / GMC Sierra 2500HD, 3500 – 6.6L Duramax LBZ
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2007.5–2010 Chevrolet Silverado / GMC Sierra 2500HD, 3500 – 6.6L Duramax LMM
Product Summary:
This injector O-ring seal kit with nozzle crush washer ensures a tight, leak-free seal for your LLY, LBZ, or LMM Duramax engine. Built to OEM standards for durability and reliability, it’s the perfect solution for injector service or replacement.
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✔️ Orders placed on weekends or holidays will be processed on the next business day.
✔️ Tracking information will be provided once the item ships.
✔️ Shipping to PO Boxes, APO/FPO may be limited based on carrier restrictions.
California Proposition 65 Warning:
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information, go to www.P65Warnings.ca.gov
