Our housing cap is carefully crafted with CNC billeted aluminum for longer-lasting durability and reliability.Your standard plastic cap would be easily cracked when over tightened or long term used.You can simply remove your old cap and screw your new cap on its place using a 1-7/16" socket wrench.Grooves on the side for easy removal and installation.
Product Features & Specifications
🚗 Exact Fitment
Compatible with GM Duramax 6.6L L5P 2017-2020 (Chevy Silverado / GMC Sierra 2500HD 3500HD). Also fits Cruze 2014-2015 2.0L and Cruze 2017-2019 1.6L. Direct replacement for OEM part number 134001 — no modifications required.
🔩 Upgraded Stainless Steel Drain Plug
Equipped with a premium stainless steel drain plug that outperforms common aluminum plugs in corrosion resistance and longevity. Zero rust concerns, reliable draining every time. Lifetime warranty included on the drain plug screw accessory.
🛠️ CNC Billet 6061-T6 Aluminum Construction
Precision-machined from aerospace-grade 6061-T6 billet aluminum — significantly tougher than the OEM plastic cap. Engineered to withstand repeated installation and removal cycles without cracking, stripping, or warping under high-heat diesel engine conditions.
📦 Package Contents
- 1 × Fuel Filter Housing Cap (O-ring not included)
- 1 × Stainless Steel Drain Plug
✅ iFJF Quality Promise
Every cap undergoes precision machining and rigorous fitment testing before leaving the factory. We stand behind our manufacturing — if it doesn't fit perfectly, we'll make it right.
⚙️ Why Upgrade from OEM?
The factory plastic housing cap is a known weak point on the L5P Duramax — prone to cracking during routine filter changes. Our billet aluminum replacement eliminates this failure point permanently while adding the convenience of a tool-free drain plug for mess-free oil changes.
