# Wehrli Billet ORB Fill Plug for WCFab Rear Differential Covers - Clear Anodized

Replacement Billet ORB Fill Cap for WCFab Duramax/Cummins AAM 11.5" Rear Differential Cover (WCF100113) and 2020-2024 GM 2500/3500HD & 2019-2022 Ram 2500/3500 Rear Differential Cover (WCF100114). Available in your choice of Black Anodized or Clear Anodized finish.

-   O-RING SEAL PLUG FOR #16 (1 inch) ORB Thread (O-Ring Boss)
-   For use with WCFab Differential Covers
-   3/4" Hex Head Socket Drive
-   CNC Machined Billet Plug
-   Clear Anodized Finish
-   Made in USA

## Details

- **Price:** 62.4 CAD
- **Vendor:** Wehrli
- **Type:** Diff Covers

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 62.40 CAD | In stock |

## Images

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- User 1
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- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wehrli-billet-orb-fill-plug-for-wcfab-rear-differential-covers-clear-anodized)
> Updated: 2026-08-17