FASS - Drop-In Series Universal HD Fuel Air Separation System
Part # DIFSHD3001
The FASS Drop-In Series Diesel Fuel System was engineered by FASS to be the most cost-effective and easiest solution for removing air vapor and entrained air from diesel fuel. In addition to advanced air separation, this universal system features high-capacity particulate filtration down to 2 micron absolute.
By removing entrained air, air vapor, and particulates, the Drop-In Series System protects diesel injection systems from premature failure and will TRIPLE the life of your fuel injection system.
Eliminating these contaminants helps optimize MPG restore horsepower, sharpen throttle response while improving the operational balancing of your engine through improved consistent fuel delivery timing. This universal kit can be adapted to nearly any diesel application.
Reliability ~ Simplicity ~ Protection.
- Injector Protection: TRIPLES the life of your fuel injection system.
- FASS Filtration: Optimizes combustion, restores horsepower, and maximizes MPG.
- Limited Lifetime Warranty: Register your FASS system and you’re covered.
Advanced Filtration Technology
The FASS Drop-In Series focuses on fuel quality:
- Air & Vapor Removal: Eliminates entrained air and vapor that damage injection systems and reduce efficiency.
- 2 Micron Absolute Filtration (Micro-glass): Removes debris smaller than OEM filters can capture.
Key Benefits
- Improves Reliability: TRIPLES the injection system life.
- Maximized Horsepower: Improved fuel atomization and restored injection timing for a smoother, more balanced engine.
- Optimized MPG: More efficient and complete combustion.
- Cold Weather Confidence: Reliable starts and operation in harsh climates, especially when paired with the FASS Drop-In Fuel Heater Kit.
- Cleaner Operation: Reduced DPF regenerations and soot output through improved combustion.
Universal Drop-In Series Filtration System Features
This extremely flexible system provides an easy mounting solution with inlet and air separation ports that can be utilized on either side. A single outlet port is located on the top of the filter base.
- 4 × SAE 10 (O-Ring Boss) fuel inlet ports
- 1 × SAE 10 (O-Ring Boss) fuel outlet port
- 2 × 1/4" male JIC air separation ports
- 2 × 1/8-27 NPT fuel inlet pressure ports
- Increases fuel lubricity by at least 10%
- Dual Heater Option Available
- 100% drop-in design — no additional modifications required
- Ideal for heavy equipment OEM applications
- Can be used with OEM filtration or as final filtration
- Machined in the USA from 6061-T6 billet aluminum
- Hardcoated anodized black for corrosion resistance
- Rated at 300 PSI with our PF1002 particulate filter (included)
- 500 GPH maximum flow rate
- Triples the life of fuel injection system components
Why Choose FASS?
At FASS, we design fuel Systems with longevity, reliability, and real-world use in mind. The Drop-In Series is engineered for diesel owners who want proven filtration technology and fuel injection system protection. It’s a smart, dependable upgrade for daily drivers and work trucks alike.
What applications is this system compatible with?
The FASS Drop-In DIFSHD3001 is a completely universal system, meaning it can be adapted to basically anything with a diesel engine! Whether it is a Class 8 truck, marine application, heavy equipment, defense, farm tractor, lawn mower, and the list goes on! Just about any application that you desire to have superior particulate filtration and removing the air vapor/entrained air.
