Fits:

• 2020 thru 2026 Chevy Silverado/GMC Sierra 2500HD/3500HD L5P Duramax Diesel

• 2020 thru 2025 Chevy Silverado/GMC Sierra 1500 LM2/LZ0 Duramax Diesel

• 2016 thru 2022 Chevy Colorado/GMC Canyon LWN Duramax Diesel

Replace your plastic DEF cap with our DmaxStore Billet DEF cap. This DEF Cap is a high quality replacement for your factory cap, providing improved durability, functionality and a touch of style to your Duramax. A magnet is built into the cap for easy storage during fill ups.

Features:

• 6061-T6 Aluminum
• Blue anodizing to protect material from corrosion
• Built in magnet
• Made in the USA

Includes:

• DEF Cap
• Chemical Resistant Viton O-ring 
• Magnet

Notes:

• This cap goes inside fuel door next to fuel cap.

Replaces Part#:

• 23138955