2017-2019 Duramax FASS Titanium Signature Series 180F 140GPH Fuel System

FASS Titanium Signature Series Fuel System (180F / 140GPH / 70–75 PSI) 2017–2019 Duramax L5P

Part No: TSC13180F140G
Supersedes: TSC13140G
Previously Superseded: TSC13 140G

IMPORTANT NOTE

This fuel system REQUIRES aftermarket tuning to be compatible.

The FASS Titanium Signature Series 180F / 140GPH fuel system is a complete high-performance fuel supply upgrade for the 2017–2019 Duramax L5P. Built for trucks that see hard use, towing, or performance tuning, this system delivers consistent fuel pressure while providing industry-leading filtration and air/vapor separation.

With a rating of 180 Flow, 140 GPH, and 70–75 PSI, this kit supports increased fuel demand while protecting expensive injection system components from fuel contamination.

FASS systems are known for long-term reliability, featuring proven engineering and durability with a failure rate of less than 1% on motors.

Fuel System Rating

• 180 Flow

• 140 GPH

• 70–75 PSI

Fitment

• 2017–2019 GM Duramax L5P 6.6L

• Chevrolet Silverado 2500HD / 3500HD

• GMC Sierra 2500HD / 3500HD

Note: Installation on cab & chassis trucks may require modifications.

Key Benefits

• Removes water, debris, and entrained air/vapor from diesel fuel

• Protects the injection system and helps extend injector life

• Improves overall fuel delivery and drivability under load

• Optional cold weather support with available fuel heater kits

Signature Series Technology

FASS Whisper Technology (FWT)
Designed to drastically reduce pump noise while maintaining high flow and performance.

Performance Radius Cuts (PRC)
Precision-machined internal housing design to improve fuel flow and prevent reintroducing air/vapor into the fuel.

Mass Flow Return (MFR)
Constantly “polishes” fuel by filtering and returning unused fuel back to the tank, helping prevent cavitation and keeping fuel supply clean.

System Features

• Complete replacement fuel system

• 140 gallons per hour flow rating

• 2 micron filtration

• Removes water + air/vapor + debris

• Helps protect and extend injector life expectancy

• Improved cold-weather starts

• 1/2" fuel lines and ports for increased volume delivery

• Improved fuel volume delivery and smoother idle

• Optional electric heater kits

• Optional fuel pressure gauge port

• Limited lifetime warranty (with registration)

• 1,000,000+ mile motor design

• 30,000 mile filter life expectancy

• Quietest motor on the market