Fits: 2017 thru 2025 Chevy Silverado/GMC Sierra 2500HD/3500HD L5P & 2020-2025 Silverado/Sierra 1500 LM2/LZ0 Duramax Diesel

Introducing the DmaxStore Billet Fuel Filter Adapter, the ultimate solution for upgrading your stock paper style fuel filter to a higher quality and longer lasting Cat or Donaldson Filter.
With this precision machined adapter, you can replace your old filter with a top-of-the-line CAT or Donaldson fuel filter, ensuring superior filtration for your vehicle.  No more struggling with complicated installations or spending excessive time and effort. Our Billet Fuel Filter Adapter simplifies the upgrade process, enabling you to complete the installation quickly and efficiently. Whether you're a seasoned mechanic or a DIY enthusiast, this adapter provides a hassle-free solution that ensures a smooth transition to a higher-quality fuel filtration system. Simply remove the lower half of your fuel filter housing allowing access to the stock fuel filter. Remove the stock fuel filter and replace with this adapter and the filter of your choice!

Features: 

• Machined in the USA!
• Black anodized finish with replacement filter part #'s engraved for future filter changes
• Compatible with stock trucks, No tuning required
• Socket tool is included for a hassle free installation, can be used with 36mm socket or 1/2" drive ratchet
• Fits CAT 2 micron Fuel Filter (Part# 1R-0750) or a Donaldson 4 micron fuel filter and water separator (Part# P553203)
• Replaces the stock paper filter which has been know to collapse sending contaminants through your entire fuel system causing catastrophic failure
• Ensures maximum effectiveness in cold weather by keeping the fuel flow path across the PTC heating element like a stock unit
• Do not exceed the factory fuel filter cap torque spec of 18 ft-lbs with this adapter. Fully seat the adapter flush and torque to 18 ft-lbs

Notes:

• For 3.0L LM2 and LZ0, the filter will hang below the frame rail
• Install Instructions