Overview

Pacific Performance Engineering Diesel Exhaust Fluid Caps

PPE diesel exhaust fluid caps, also referred to as DEF caps, offer a durable, high-performance solution for protecting your vehicle's DEF System. Crafted from precision-machined billet aluminum, these premium diesel emission system components are engineered to provide a secure seal that helps keep dirt, moisture, and debris out of the DEF filler neck. The caps corrosion-resistant anodized finish delivers lasting durability, while the integrated Viton® O-ring ensures dependable leak-free performance. Combining rugged construction, reliable protection, and a clean performance-inspired appearance, PPE DEF caps are an ideal replacement for worn or damaged factory caps on select Ram and Jeep diesel applications, providing precision protection for your DEF System.

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