Silverado/Topkick Fuel Injector Duramax #97729095 2001-2004 LB7
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This is a remanufactured factory fuel injector. These are the highest quality in the industry. Please call 1-855-558-1235 if you have any questions.
ATTENTION!!! We recomend that the injector line be examined when replacing these injectors. The LB7 injector line is known for rusting under the connector nut. If rust gets into the new injector it is likely to damage the injector. This can be prevented by replacing the injector lines. We offer the replacement line as a kit for $199.00 exchange.
Alternate Part Numbers:
This Fuel Injector is made for:
Step Two: Remove the fuel injector return line from fuel injectors.
IMPORTANT!!! When the fuel injector pressure lines are removed, debris may fall into the fuel injector inlet fitting. Remove any debris from the inlet fitting of the fuel injector. Confirm which side of the banjo washers have the largest outer diameter.
Step Three: Remove the bolt from the fuel injector bracket.
Step Four: Install J 44639 (2) onto the injector retainer bracket. Then install a wrench onto J 44639 (2) and pry away from the fuel injector (1).
Step Six: Remove the fuel injector(s).
Step Seven: Remove the copper compression washer from the injector hole if the washer was not removed with the injector.
Step One: If the fuel injector sleeve was pulled from the cylinder head when removing the injector(s), refer to Fuel Injector Sleeve Replacement in Engine-6.6L.
Step Two: Install a NEW O-ring onto the fuel injector(s).
Step Three: Lubricate the O-ring with clean engine oil.
Step Four: Install a NEW copper washer into the fuel injector bore in the cylinder head.
Step Five: Install the fuel injector with injector bracket.
Step Six: Install the injector bracket bolt. Tighten the bolt to 50 N.m (37 lb ft).
Step Seven: Install the return pipe assembly.
Step Eight: Install the fuel injector return line to injector eye bolts and washers.
Step Nine: Install the fuel injector return line to cylinder head eye bolts and washers.
Step Ten: Install the lower valve cover.