2020–2026 L5P 6.6L Duramax Silverado Sierra HD Billet Aluminum DEF Cap DmaxStore

Upgrade your factory plastic cap with the DmaxStore Billet DEF Cap, part number DMAX-BDC-2024, designed for 2020–2026 Silverado & Sierra 2500HD/3500HD equipped with the 6.6L L5P Duramax diesel.

This premium replacement cap is precision-machined from 6061-T6 billet aluminum and finished in corrosion-resistant blue anodizing for durability and long service life. It offers a clean appearance upgrade while maintaining proper sealing and functionality of your DEF system.

An integrated magnet allows convenient storage during fill-ups so you never have to set the cap on the bed rail or lose it at the pump.

Features & Benefits:
- Precision-machined 6061-T6 billet aluminum construction
- Blue anodized finish for corrosion protection
- Built-in magnet for easy storage during refills
- Chemical-resistant Viton O-ring seal
- Durable upgrade over factory plastic cap
- Made in the USA

Part Information:
Manufacturer: DmaxStore
Part Number: DMAX-BDC-2024
Replaces OEM Part #: 23138955, 13548316

Fitment Applications:
2020–2026 Chevrolet Silverado 2500HD / 3500HD – L5P Duramax 
2020–2026 GMC Sierra 2500HD / 3500HD – L5P Duramax 

SHIPPING IS FREE via USPS Ground Advantage to the lower 48 US states.

Alaska, Hawaii, Puerto Rico, Guam, APO/FPO addresses will need to email for a shipping quote.

CANADA, MEXICO, & ALL INTERNATIONAL BUYERS WILL NEED TO USE THE eBay GSP (GLOBAL SHIPPING PROGRAM)

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