FASS DIFSCAT1001 Drop-In Series Diesel Fuel System for CAT 3406E-C18 Engines

Vehicle Fitment

• Caterpillar engines: 3406E, C10, C11, C12, C13, C15, C16, C18 (with OEM 1R-0749 or 1R-0750 fuel filters)

Fitment Notes

• This is an air-separation & filtration system - not a lift pump
• Designed as direct drop-in replacement for Caterpillar filter housing; retains factory lift pump

Features

• Removes vapor and entrained air to protect injection system
• Improves lubricity by at least 10%, extending injector and pump life
• Plugs directly into OEM filter location - no cutting or rewiring
• Enhances fuel economy, restores lost power and throttle response
• Lifetime warranty when purchased through authorized FASS dealer
• Rated for easy install in under one hour
• Made in USA with certified quality standards
• Compatible only with specified Caterpillar engines and filter housings

Specifications

• Part Number: DIFSCAT1001
• Type: Drop-In air separation fuel filter system
• Filtration: 3 micron or better; removes water vapor & entrained air
• Install: Fits Cat engines with 1R-0749 or 1R-0750 filter housing
• Warranty: Limited lifetime (registration required within 30 days)

Included Components

• 1x FASS Drop-In Series filter housing unit
• O-rings, fittings, and necessary sealing hardware
• Installation manual and warranty registration form

Product Description

The FASS DIFSCAT1001 Drop-In Series Fuel System is engineered for **Caterpillar 3406E, C10, C11, C12, C13, C15, C16, and C18 diesel engines** equipped with OEM 1R-0749 or 1R-0750 fuel filters. This bolt-in filtration system replaces the factory filter housing to eliminate entrained air, vapor, and water from your fuel supply.

By improving fuel lubricity by at least 10% and removing contaminants before the injection pump, DIFSCAT1001 helps extend the life of your CAT injectors and injection equipment - offering up to triple the service life in many cases. The system installs in under one hour without cutting or wiring, and retains your existing lift pump setup. Backed by a limited lifetime warranty when purchased through authorized FASS dealers.