Fuel Injector Cup Set For 2001-2004 Duramax LB7 6.6L

This high-quality Fuel Injector Cup Set for 2001-2004 Duramax LB7 trucks offers the same premium materials and durability as industry leaders but at a lower price, making it the best value for anyone upgrading or maintaining a Chevy or GMC 6.6L LB7 diesel. Built to exacting standards, it ensures reliable sealing, reduced risk of leakage, and long-term engine health.

Product Features

• Direct Fit Replacement: Engineered to meet or exceed OEM specs for seamless installation without modifications.

• Premium Stainless Steel Construction: Manufactured from corrosion-resistant stainless steel for maximum durability, outlasting factory cups and preventing leaks or coolant intrusion.

• Complete Kit: Comes with eight injector cups and sixteen O-rings for a full injector cup refresh; everything needed for a professional repair or upgrade.

• Improved Reliability: Prevents high-pressure leaks, coolant contamination, and common cylinder head issues, protecting your engine from catastrophic failure.

• Warranty Confidence: Backed by a 2 year warranty, guaranteeing peace of mind for mileage and quality.

Benefits Over Competitors

• Lower Price, Same Quality: Get top-tier performance and longevity at a more affordable price compared to other brands, without sacrificing quality.

• Fast Shipping: Free FedEx 2-Day Air. Kits are always in stock and ship rapidly, ensuring delivery within two business days to the contiguous United States at no extra charge for shipping.

• Easy Installation: Direct-fit design allows even DIY mechanics or professional shops to perform installation with straightforward tools; recommend using red sealant at the bottom of each cup for optimal results (sealant not included).

Applications

• Fits all 2001-2004 Chevy Silverado & GMC Sierra 2500HD/3500HD equipped with Duramax LB7 engines.

• Ideal for preventive maintenance, injector replacement projects, or engine rebuilds.

Why Choose NorCal Diesel Performance?

NorCal Diesel Performance’s branded LB7 Injector Cup Set offers an unbeatable combination of quality, price, and customer service tailored specifically for diesel enthusiasts and professionals. With our lower pricing, premium materials, and expert support, this kit guarantees the best value on the market—helping extend engine life and deliver leak-free performance for years.

We recommend replacing the cup and sealing it with sleeve installer such as Permatex 7651149 or Red Locktite

Have a question? Give us a call at 888-290-3820

OEM Cross Reference