SKU: MAT10058

Injector Install Kit

3 in stock and ready for shipping
Confirmed fitment below
YEARS
2001-2004
MAKE / MODEL
GM/Chevrolet/GMC / Silverado/Sierra
SERIES
2500HD/3500HD
ENGINE
6.6L Duramax LB7
Price
$199.72
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PRODUCT DETAIL

Key Features & Description

Features:

  • Includes lower valve cover gaskets
  • Seals to prevent fuel system leaks
  • Includes injector cup O-rings
  • Injector cup sealant included
  • Comes with return line seals
  • Includes injector O-rings and copper washers
  • FICM seals included for tight fit
  • Upper radiator pipe seal provided
  • Heater pipe seal for secure connection
  • High-quality silicone sealer included
  • Improves engine performance and reliability
  • Ideal for full injector reinstall jobs

Make Your Injector Job Count With One Solid Kit

When it’s time to swap out your injectors, the last thing you want is to chase down a bunch of separate seals and gaskets or risk reusing worn-out parts. That’s where the Merchant Injector Install Kit comes in, it’s your one-and-done solution to keep things tight and leak-free. Whether you're doing a full injector replacement or just trying to clean up a leaky setup, this kit packs everything you need to ensure your Duramax runs like it should. From valve cover gaskets to return line seals, every component is designed to give you the confidence that your hard work won't be undone by a simple drip. The inclusion of high-quality silicone sealer and injector cup O-rings helps eliminate any guesswork during install. And if you've ever dealt with coolant mixing where it shouldn’t, you’ll appreciate the upper radiator and heater pipe seals that are ready to go. With the right parts on hand, you get the peace of mind that comes from knowing your 6.6L LB7 is sealed tight and built to last.

The 2001-2004 GM 6.6L Duramax Merchant Injector Install Kit Prevents Leakages into the Engine

Protecting your engine from a potential mishap is incredibly reliant on having quality seals and gaskets that prevent leakages that can lead to engine damage. The 2001-2004 GM 6.6L Duramax Merchant Injector Install Kit is the perfect solution to this issue of creating a seamless fuel injection setup. With the lower valve cover gaskets and array of different seals that are air tight, you will let your diesel engine on your GM Duramax reach that next level of performance that you have never experience until now.

Fitment: 2001, 2002, 2003, 2004 GM 6.6L Duramax LB7

Notes:

  • Designed specifically for the 2001-2004 LB7 Duramax
  • Includes all critical seals and gaskets for injector installation
  • Helps prevent fuel and coolant leaks into the engine
  • Ideal for use during injector replacements or servicing
  • Includes injector cup O-rings and sealant for proper sealing
  • Kit includes return line seals and FICM seals
  • Upper radiator pipe and heater pipe seals included
  • High-temp silicone sealer helps eliminate leaks
  • Intended to restore factory-like sealing and performance
  • Injectors are not included with this kit
  • Only compatible with OEM-style injector systems
  • Ensures a reliable, leak-free install on your LB7

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2001-2004
GM/Chevrolet/GMC
Silverado/Sierra
2500HD/3500HD
6.6L Duramax LB7

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