Fleece Performance · New
Fleece Performance 11-2016 GM 6.6L Duramax CP3 Regulator Extension Harness
MPN FPE-HAR-CP3-EXT · Store SKU fpeFPE-HAR-CP3-EXT
Supplier stock checked 11/7/2026, 11:12:43 PM UTC. Adding a part does not reserve it.
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Product details
Regulator extension harness for use with Bosch CP3's used in 6.6L Duramax applications. CP3 regulator extension harness for 2011-2016 GM/GMC with 6.6L Duramax
Manufacturer fitment & guides
Check FPE-HAR-CP3-EXT against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y