Wehrli Cummins / Duramax Rear Diff Cover Premium ARP Bolt Kit

SKU: WCFWCF100217

Differential Cover Bolt

WCF Differential Cover...

Wehrli

Wehrli Cummins / Duramax Rear Diff Cover Premium ARP Bolt Kit

SKU: WCFWCF100217

Differential Cover Bolt

WCF Differential Cover...

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

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.

Part Type

Differential Cover Bolt

Data: v4.2 - Upd: 2026-10-14 22:47:54

Features

14 Matched ARP Stainless Steel Washers
14 Specially Selected High Strength Stainless Steel 12-point ARP fasteners
Fitment Note: This kit is for use specifically with WCFab products. We cannot guarantee fitment or cross compatibility with OEM or other aftermarket diff covers at this time.