Exterior Components› Running Boards, Truck Steps and Components

Westin

Westin 2017-2018 Chevy Silverado 25/3500 Diesel HDX DEF Tank Skid Plate - Textured Black

$485.56

SKU: W007 57-11005

In Stock
In Stock
Ships by Jun 17
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Westin HDX DEF Tank Skid Plate is a protective undercarriage component designed for 2017-2019 6.6L GMC Sierra 3500 HD models. It replaces the thin OEM DEF tank shield and plastic cover with a more robust metal construction. The skid plate is made from heavy-duty 10-gauge HRPO plate with a textured black powder coat finish for durability and corrosion resistance.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandWestin
Part NumberW007 57-11005

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy