Dorman Fuel Rail Return Line Gaskets

2001-2004 GM 6.6L DURAMAX LB7
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Replace your leaking return line gaskets in your 01-04 6.6L LB7 Duramax. Dorman's Fuel Injection Return Line and Gasket effectively protects against leaks that could cause fuel pressure to drop, preventing possible subsequent engine damage. The gaskets should be replaced any time the fuel injectors are serviced. This kit includes 5 fuel line gaskets.

  • Stops leaks from forming between the fuel rails and fuel injectors
  • All necessary gaskets included for a complete repair
  • Provides a fuel-tight fit
  • A necessary safety item for preventing fuel leaks

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