6.6L Diesel Fuel Injector (2004-01)


Test fuel for contamination. If any is found, clean the entire fuel system prior to installing any new components

Tighten injector hold down bracket bolt to 50n.m (37 ft.lbs torque)

Lubricate washers with diesel fuel and tighten fuel injector line to 16n.m (11.8 ft.lbs torque)

Inspect and clean fuel line, replace if corrosion or damage to sealing surface is found

Verify copper washer from old injector was not left in the injector cup

Installation Videos

GM DURAMAX Fuel Injector Line Tips & Best Practices

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    GM DURAMAX Fuel Injector Line Tips & Best Practices

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    A Closer Look: Remanufactured Diesel Injectors

Related Parts

Oil Filter

Fuel Filter

Air Filter

Glow Plug

Fuel Delivery Line

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Features & Benefits

  • Remanufactured at our IATF 16949, ISO 9001, and ISO 14001 certified facility, where we inspect, tear down and validate, clean, reassemble, and test each part to ensure quality

  • Undergoes rigorous, multi-step cleaning process before reassembly to remove all oil and debris

  • Critical tolerances of components measured, visually inspected, and electrical tested, and either replaced or reconditioned as needed

  • Enhanced with new core components such as O-rings, springs, nozzles, delivery valves, shims, gaskets, and solenoids

  • Reassembled using precision tooling in temperature- and humidity-controlled room with fixturing on all stations

  • Undergoes extensive testing against OEM, including shot-to-shot, fuel delivery, and response time tests at different pulse widths, pressure levels, and RPMs

  • Laser-etched part number and date code ensures accuracy and traceabilitY

  • Final package is sealed to provide protection from elements encountered during shipping and storage