Fleece Performance · New
Fleece Performance 03-05 Dodge 2500/3500 Cummins 4-Pin to 6-Pin Valve Cover Conversion Harness
MPN FPE-HAR-CUMM-VC-ADPT-EARLY · Store SKU fpeFPE-HAR-CUMM-VC-ADPT-EARLY
Supplier stock checked 11/7/2026, 5:45:40 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
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Product details
Convert your 2003-2005 Ram with 4-pin injector connectors to the 2006-2018 6-pin injector connectors with our plug-and-play conversion harness. This conversion harness is for use on a 2003-2005 Cummins where a 2006 and newer rocker box style is used. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need! Cummins Valve Cover Conversion Harness (03-05 to 2006+)
Manufacturer fitment & guides
Check FPE-HAR-CUMM-VC-ADPT-EARLY against the manufacturer’s application information below.
Part-specific notes
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