Merchant 10803 New Fuel Injectors w/ Deluxe Install Kit (Set of 8) | 2001-2004 GM 2500HD/3500HD 6.6L Duramax LB7

Features:

• Set of 8 brand-new fuel injectors
• Includes deluxe installation kit
• OEM-style fit and finish
• No core charge required
• Designed specifically for LB7 engines
• Restores factory-like driving performance
• Fixes misfires and rough idling
• Backed by 12-month unlimited mileage warranty
• Helps resolve no-start conditions
• Direct replacement for hassle-free install
• Improves fuel delivery and efficiency

Premium Injector Set for LB7 Duramax

If your LB7 Duramax is showing signs of rough idling, misfires, or hard starts, it might be time to take a hard look at the injectors. The Merchant 10803 New Fuel Injectors with Deluxe Install Kit offers a complete, no-hassle solution for bringing your 2001–2004 GM 2500HD or 3500HD 6.6L Duramax back to its factory-running condition. This isn’t a rebuild or reman setup—each injector in the set of eight is brand new, precision-matched, and designed to deliver stock performance without compromise. There’s no core charge, no surprises—just a high-quality replacement designed to fix your drivability issues the right way.

Complete with Deluxe Install Kit

The included deluxe install kit saves time and money by bundling everything you need into one box, so you’re not scrambling for seals, washers, or hardware. Whether you’re chasing down an intermittent misfire or rebuilding the top end for peace of mind, this injector set is a smart upgrade for any LB7 owner. It’s also backed by a 12-month, unlimited mileage warranty, offering confidence with every mile. From smoother startups to consistent power and fuel delivery, this is the kind of upgrade that makes your truck feel tight and responsive again—exactly the way it should.

Fits: 2001, 2002, 2003, 2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7