Fuel System | Injectors | Pumps

A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax 6.6L diesel engine, this is because your Duramax doesn’t come with a factory lift pump like other types of diesel. This requires your CP3 injection pump to pull your fuel under a...

The CP4 Pump on the LML model Duramax is prone to failure if the fuel system has any water or contaminated fuel introduced to it. When the pump fails, it will send metal contaminants throughout the entire fuel system which in most cases will ruin the...

The Titanium Signature Series diesel fuel lift pump was engineered by FASS Fuel Systems to be the top-performing, longest lasting and most reliable aftermarket filtration system in the diesel industry. Rated at 165 gallons per hour and backed by a...

The AirDog Fuel Preporator with the capability to provide fuel at flows and pressures beyond the maximum requirements of the engine receives fuel under vacuum from the fuel tank containing entrained air/vapor, particulate contaminates and...

A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax 6.6L diesel engine, this is because your Duramax doesn’t come with a factory lift pump like other types of diesel. This requires your CP3 injection pump to pull your fuel under a...

Using the newest technology, Pureflow AirDog II-4G fuel air separation systems have been designed operate at flows and pressures beyond the maximum requirements of the engine. They will improve engine performance by maintaining correct injection timing,...

FASS Fuel Systems can be a beneficial upgrade for your GM Duramax LML diesel engine, this is because your Duramax doesn’t come with a factory lift pump like other diesel. This requires your CP3 injection pump to pull your fuel under a vacuum,...

The FASS TS D07 165G Titanium Signature Series 165GPH Fuel System with Whisper Technology is engineered to be the top performing, longest lasting and most reliable aftermarket filtration system on the market for your 2005-2018 Dodge 5.9L & 6.7L...

A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax LML diesel engine, this is because your Duramax doesn’t come with a factory lift pump like other types of diesel. This requires your CP3 injection pump to pull your fuel under a...

A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax LML diesel engine, this is because your Duramax doesn’t come with a factory lift pump like other diesel. This requires your CP3 injection pump to pull your fuel under a vacuum,...

Pureflow AirDog II-4G fuel air separation systems have been designed operate at flows and pressures beyond the maximum requirements of the engine. They will improve engine performance by maintaining correct injection timing, eliminating spray pattern...

With our background in OE development and manufacturing, we bring a unique perspective to the high-performance world. We know what features and specifications need to be to ensure proper function, we know how to produce them and how to verify they are...

The Titanium Series diesel fuel pumps are the superior fuel pump and filtration system, in the diesel industry. This is because here at FASS Fuel Systems we focus on perfecting our pumps and how they are engineered, taking the extra steps that our...

AirDog® II-4G is designed to operate at flows and pressures beyond the maximum requirements of the engine. It receives fuel under vacuum from the fuel tank containing entrained air/vapor, particulate contaminates and unknown quantities of water...

No more noisy lift pumps, cutting holes in your fuel tank, or quarter tank issues. Our drop-in lift pump allows for silent operation, utilizes the factory connections for an easy installation and its active fill bucket technology eliminates the need for...