Collection: FASS® Fuel Systems – Diesel Performance & Injection Protection

Eliminate Air, Vapor & Contaminants from Your Diesel Fuel Upgrade your truck’s fuel delivery with FASS Fuel Systems (Fuel Air Separation Systems). Engineered to solve the root causes of injector and pump failure, FASS systems remove 99% of water and air bubbles before they reach your engine. Whether you’re driving a Cummins, Duramax, or Powerstroke, a FASS lift pump ensures consistent pressure, smoother throttle response, and maximum engine life.

✅ Why Upgrade to FASS?

  • Advanced Air Separation: Removes trapped air and vapor to prevent injector cavitation and wear.

  • Extreme Filtration: Filters fuel down to 2 Microns, far exceeding factory OEM standards.

  • Protects Critical Pumps: Vital for vehicles with CP3 or CP4 pumps to prevent catastrophic failure.

  • Increased Lubricity: Conditions fuel for better lubrication, leading to quieter engine operation and better MPG.

Don't wait for a costly injector failure. Shop Valtrix Powertrain for authentic FASS Titanium Signature Series pumps and replacement filter kits with fast USA shipping.

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