Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Features, Description, Q&A, Specs & Installation
Restore Electrical Integrity to Your Fuel System. This Fuel Injector Connector Set helps eliminate misfires and diagnostic trouble codes caused by failing injector harness ends. Whether replacing brittle, heat-soaked connectors or wiring new injectors, these pigtails ensure solid signal delivery and clean injector response.
OEM-Grade Materials for Long-Term Engine Bay Durability. Built to withstand the heat, grime, and vibration of the Duramax engine bay, each connector features high-temp-rated wiring and a direct-fit plug. Each pigtail arrives ready for splice-in installation with sealed terminals to protect against moisture and corrosion.
Installation. This product installs by splicing into the factory harness using heat-sealable butt connectors. Soldering is optional for extra security.
Application. The Fuel Injector Connector with Pigtail; 5-Pack fits 2017–2025 GMC Sierra 3500 HD models equipped with the 6.6L Duramax engine.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
What's in the Box
Jan 8, 2025
Review shared from Rear Engine Cover Coolant Return Plug (11-16 6.6L Duramax Sierra 2500 HD)
Very satisfied customer
This worked perfect easy way to clean up some unnecessary coolant lines when the egr delete is being done