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 2001-2004 GM/Chevrolet 6.6L Duramax LB7 Injector Return Line Bolt Set of 8

2001-2004 GM/Chevrolet 6.6L Duramax LB7 Injector Return Line Bolt Set of 8

$39.60
SKU:
GM66LB7BBSET8
Condition:
New
Weight:
1.00 LBS

2001-2004 GM/CHEVROLET 6.6L DURAMAX LB7 INJECTOR RETURN LINE BOLT - SET OF 8

Restore proper sealing and fuel return system function with this Injector Return Line Bolt Set for the 2001–2004 GM/Chevrolet 6.6L Duramax LB7. These specialized banjo-style bolts secure the return lines to the fuel injectors, ensuring tight fuel flow control and preventing leaks or pressure drops common in worn or corroded hardware.

Ideal for customers replacing injectors or servicing the fuel system, this 8-piece set includes all bolts required to complete one full engine installation. Manufactured to OEM standards for precise fit and function.

Features & Benefits:

  • Direct replacement for factory LB7 injector return bolts

  • Precision-machined threads for secure, leak-free sealing

  • Hardened steel construction for long-lasting durability

  • Required hardware when replacing or servicing injectors

  • Helps prevent fuel leaks and pressure loss

  • Designed for use with factory or aftermarket injectors

  • Exact OEM fit and finish—no modifications required

  • Complete set for 8-cylinder 6.6L LB7 Duramax engine

  • Compatible with original fuel return lines and seals

  • Cost-effective, high-quality replacement option

Truck Compatibility / Applications:

  • 2001 Chevrolet Silverado 2500HD / 3500 6.6L Duramax LB7

  • 2002 Chevrolet Silverado 2500HD / 3500 6.6L Duramax LB7

  • 2003 Chevrolet Silverado 2500HD / 3500 6.6L Duramax LB7

  • 2004 (early build) Chevrolet Silverado 2500HD / 3500 6.6L Duramax LB7

  • 2001 GMC Sierra 2500HD / 3500 6.6L Duramax LB7

  • 2002 GMC Sierra 2500HD / 3500 6.6L Duramax LB7

  • 2003 GMC Sierra 2500HD / 3500 6.6L Duramax LB7

  • 2004 (early build) GMC Sierra 2500HD / 3500 6.6L Duramax LB7

Fits all factory-installed LB7 injector configurations. Not compatible with LLY or later Duramax models.

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✔️ Orders placed on weekends or holidays will be processed on the next business day.
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California Proposition 65 Warning:

This product may expose you to chemicals including metal alloys and combustion byproducts, known to the State of California to cause cancer and reproductive harm.
For more information, visit: www.P65Warnings.ca.gov

REPLACES PART NUMBER:

  • 97228929.

FEATURE:

This is crucial for accurate torque during reassembly to avoid a fuel leak at the return line fitting, can keep the proper distance with other engine parts, which can make the parts more secure and lasting work.