This Titanium Signature Series 140GPH lift pump, part number TSC15180F140G, is a game - changer for 2020 - 2023 GMC/Chevrolet Sierra 2500HD/3500HD with 6.6L Duramax engines. It offers a power rating from stock to 500 HP and a preset fuel pressure of 70 - 75 PSI. With a flow rating of 140 GPH, it can support multiple fueling system upgrades. The 2 - micron filtration rating and 30,000 - mile filter life expectancy protect your engine's injection system, extending its lifespan. Backed by a limited lifetime warranty, this system effectively removes water, air, and debris from diesel fuel. It also improves cold - weather starts, reduces emissions, and enhances fuel mileage. It features new bolt - on bracket installation, ½ - inch fuel lines, and optional electric heater and fuel pressure gauge ports. FASS Whisper Technology reduces noise while increasing flow, and Performance Radius Cuts and Mass Flow Return technology ensure smooth fuel flow and clean fuel. Note that this fuel system requires aftermarket tuning to be compatible.


Using this lift pump is easy. First, make sure your vehicle is a 2020 - 2023 GMC/Chevrolet Sierra 2500HD/3500HD with a 6.6L Duramax engine. You'll need to perform aftermarket tuning for compatibility. Install it using the new bolt - on bracket. During operation, you'll notice improved engine performance, like smoother idling and better cold - weather starts. For maintenance, replace the filter every 30,000 miles to keep the system working well. Check the fuel pressure regularly using the optional gauge port. Keep an eye on the system for any signs of trouble, like strange noises or reduced performance. If you live in cold areas, consider using the optional electric heater ports to ensure proper operation in extreme cold. With its limited lifetime warranty, you can rely on this lift pump for a long time.