2011-2019 Duramax Billet DEF Cap (DMAX-BDC-1119)

Replace the brittle plastic DEF cap with a 6061-T6 billet aluminum upgrade engineered for the LML and L5P Duramax. Blue anodizing protects against corrosion, a built-in magnet stores the cap during fill-ups, and a chemical-resistant Viton O-ring seals against leaks. Made in the USA, patent pending. Replaces GM part 22753134.

Part Number: DMAX-BDC-1119

Replaces Part#:

• GM 22753134

• 6061-T6 aluminum construction
• Blue anodizing for corrosion protection
• Built-in magnet for easy storage during fill-ups
• Chemical-resistant Viton O-ring
• Made in the USA
• Patent pending design
• Replaces GM Part# 22753134

This cap goes under the hood. Direct replacement, no special installation required.

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