Fleece Performance · New
Fleece Performance 01-16 GM Duramax 6.6L CP3 Adapter Kit w/O-Rings
MPN FPE-DMAX-CP3-ADPT · Store SKU fpeFPE-DMAX-CP3-ADPT
Supplier stock checked 11/7/2026, 11:52:30 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.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Replacement CP3 adapter machined from billet aluminum for the 2001-2016 GM Duramax. Includes new O-rings for the CP3 pump snout and CP3 adapter. APPLICATION NOTES Direct replacement for GM part number 97328578 and 97188692 Direct replacement for Sierra / Silverado model years 2001-2010 Direct replacement for CP3 conversion kits on Sierra / Silverado model years 2011-2016 CP3 Adapter for 6.6L Duramax
Manufacturer fitment & guides
Check FPE-DMAX-CP3-ADPT against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y