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GM OE L5P Fuel Injector Return Line Seal 2017-2023

12654651 - Z
Pricing: $5.85


GM OE Fuel Injector Return Line Seal for L5P Chevrolet/GMC 6.6L Duramax Trucks.  Essential for maintaining fuel system integrity, these fuel injector return line seals prevent leaks and ensure optimal engine performance.  These are a must-have for performing fuel injector replacement and/or service.

Please note: Each return line requires eight seals.  Sixteen seals would be required to work on both sides of the engine.


  • Durable Copper Construction
  • Prevent fuel leaks from occurring at fuel injector and return line connection points
Vehicle Applications: 
  • 2017-2023 Chevrolet/GMC 6.6L Duramax 2500HD/3500HD 6.6L Duramax



Shipping Information

  • Item Requires Shipping
  • 0.0 lbs.
  • W3.5000” x H3.5000” x L0.3000”

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