2001-2004 GM 6.6L Duramax LB7

The FASS Diesel Fuel Systems XL Filter Pack is your all-in-one maintenance solution. Perfect for stocking your shop or prepping for regular servicing, this bundle includes both the new Extreme Water Separator and a matched particulate filter—making it simple to keep your FASS fuel...

Got a pinched O-ring or corroded check ball?This kit contains our Viton O-rings in two separate sizes (17mm and 30mm) along with a Viton check ball to help get your fuel pump back to proper condition. Kit Includes: 2 x OR-17 (17mm O-ring) 2...

Have your original or aftermarket injectors left you stranded? Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our 30% over fuel injectors! At 30% over stock, these are an excellent upgrade for close to...

Did you break the connector on your LB7 fuel rail pressure sensor while doing an intake? Are you seeing intermittent rail pressure fluctuations that are causing running issues? The rail pressure sensor may be the root cause.   The fuel pressure sensor is a...

BD's FleX-Plate is designed to reliably handle up to 1,500 lb-ft of torque. These units are forged billet, precision-balanced and SFI approved for use in race application. Black Oxide coated to resist corrosion and prevents hydrogen embrittlement that can cause cracking, these units will...

Experience performance and durability with the enhanced Duramax exhaust manifolds, specifically designed for the 2001-2016 6.6L Duramax engines. The BD upgraded manifolds not only remove the flow restriction found on the 2001-2006 model driver’s side manifold, but they also increase overall flow on both...

For those who desire the absolute best protection against gelled fuel in cold climates. This kit includes both our High Output Electric Heater Disk and Dual Electric Heater Probe Kit, for up to 500 watts of fuel-thawing power!This ULTIMATE Electric Heater Kit is engineered...

Our FASS Fuel Systems Signature Series Adjustable Diesel Fuel Pumps are designed to be the most versatile high performance fuel pump on the market that allows for adjustable fuel pressures to meet the demand of high performance GM Duramax 6.6L applications. Manufactured with the...

After the installation of a FASS Fuel Air Separation System the factory fuel filter is no longer needed and can be easily removed by using this Factory Fuel Filter Delete Kit. Benefits: 1. Delete OEM Filter 2. Eliminate Time and Costs associated w/changing the...

FASS Fuel Systems Drop-In Fleet Filter Pack FLP1000 Part No: FLP1000 Perfect for the shop or keeping your garage stocked, each FASS Fuel FLP3000 contains two (2) (XWS3002XL) Extreme Water Separator Filter and two (2) (CWS1010) Coalescing Water Separator! Designed with convenience in mind,...

FASS Fuel Systems Drop-In Filter Pack FP1000 Part No: FP1000 Perfect for the shop or keeping your garage stocked, each FASS Fuel FP3000 contains one (1) (XWS3002XL) Extreme Water Separator Filter and one (1) (CWS1010) Coalescing Water Separator! Designed with convenience in mind, our...

Part No: SK5501 Fitment: Universal Applications, Ford Powerstroke, GM Duramax and Dodge RAM Cummins: Installing a FASS Fuel System has NEVER been easier! Our all-new Return Style Fuel Tank Sump Kit only requires a single hole to be drilled into the fuel tank, and...

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 150% over fuel injectors! The factory nozzles are swapped with a SAC type nozzle for its superior...

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 200% over fuel injectors! The factory nozzles are swapped with a SAC type nozzle for its superior...

So, you've made some power but now you want more? Do you still want good drivability while running more competitive events? Well, look no further than our 250% over fuel injectors! The factory nozzles are swapped with a SAC type nozzle for its superior...

So, you're ready to push the limit of your build and want to find an injector you can trust to take you to the podium? With our background in OE development, manufacturing and pioneers of the performance common rail fuel systems, you can trust...

So, you're ready to push the limit of your build and want to find an injector you can trust to take you to the podium? With our background in OE development, manufacturing and pioneers of the performance common rail fuel systems, you can trust...

Have your original or aftermarket injectors left you stranded? Are you looking for an increase in power without sacrificing drivability or reliability? Well, look no further than our SAC 45% over fuel injectors! The factory nozzles are swapped with a SAC type nozzle with...

So, you're ready to push the limit of your build and want to find an injector you can trust to take you to the podium? With our background in OE development, manufacturing and pioneers of the performance common rail fuel systems, you can trust...