Wehrli · New
Wehrli Cummins / Duramax Rear Diff Cover Premium ARP Bolt Kit
MPN WCF100217 · Store SKU wcfWCF100217
Supplier stock checked 11/7/2026, 4:35:30 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
This Premium Duramax/Cummins Rear Differential Cover Bolt Kit is an optional upgrade for Wehrli Custom Fab Diff Covers comprised of 14 specially selected high strength Stainless Steel 12-point ARP fasteners and matched washers for use with WCFab Duramax/Cummins AAM 11.5" Rear Differential Covers (WCF100113) and 2020-2025 GM 2500/3500HD & 2019-2024 Ram 2500/3500 Rear Differential Covers (WCF100114). Replaces the Socket Head Cap Screws and washers which are supplied with our kits standard to help put the finishing touch your custom build. Wehrli Custom Fab Premium ARP Bolt Kit for WCFab Cummins / Duramax Rear Diff Covers Premium ARP Bolt Kit for WCFab Cummins / Duramax Rear Diff Covers
Manufacturer fitment & guides
Check WCF100217 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y