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2005 Chevrolet 6.6L Duramax LLY
SKU #: FPE-SF-CUMM-0304 MPN #: FPE-SF-CUMM-0304

Fleece Performance SureFlo Performance Fuel Tank Sending Unit 03-09 Dodge 5.9L / 6.7L Cummins

$305.15$359.00
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Description
The 2003-2004.5 3rd Gen Cummins originally came equipped with a fuel lift pump mounted in the engine bay. Later Dodge or Cummins, whomever you want to blame, realized this was a bad idea and beginning with the 2005 model years, began installing the pump into the fuel tank's basket assembly, as well as retrofitting trucks once their lift pump failed to this design. Okay, so this was better, but for anyone that either wanted even better than this, or their engine demanded anything more than factory fueling levels, this in-tank pumps made upgrading to an aftermarket lift pump quite the chore. In the past, with an in-tank pump, you had a couple of options to retrieve fuel from the tank. First, you could install what is commonly referred to as a "draw-straw" in which you drill a hole in the top of your tank and install a bulkhead fitting with a tube that goes into your tank. Unfortunately, for many, this resulted in what's known as "1/4 tank issues" where the straw is unable to pull fuel from the tank once fuel levels dipped below 1/4 of a tank. Secondly, you could install a sump where you're required to remove all fuel from your tank and install basically a bowl on the bottom of your tank and fuel is drawn from the lowest point on the tank. While this is great in order to simplify the process and eliminate these 1/4 tank issues, they're troublesome to install, prone to leaking if not sealed properly, and require a hose to run along the bottom of your tank.Fleece Performance sought to rectify all of these issues created by having an in-tank pump, and they have, with their SureFlo Performance Sending Units! SureFlo performance sending units are designed to work with aftermarket lift pumps and fits directly into your stock sending unit location. It features factory style quick disconnects to adapt your stock fuel lines at the tank, giving you the cleanest installation available, and requiring no cutting or drilling of the tank. SureFlo works by drawing fuel from, and returning fuel to, the bucket assembly at the base of the unit. This ensures you are always drawing fuel into your pump and not drawing air into the fuel system as well as eliminates the dreaded 1/4 tank problems. The SureFlo bucket also incorporates one way check valves to allow fuel to easily flow in at lower levels.Fleece SureFlo performance sending units are also a great alternative for trucks originally equipped without an in tank pump needing to repair a malfunctioning level sender or if you are simply looking to run your own custom fuel lines directly to the tank.
The 2003-2004.5 3rd Gen Cummins originally came equipped with a fuel lift pump mounted in the engine bay. Later Dodge or Cummins, whomever you want to blame, realized this was a bad idea and beginning with the 2005 model years, began installing the pump into the fuel tank's basket assembly, as well as retrofitting trucks once their lift pump failed to this design. Okay, so this was better, but for anyone that either wanted even better than this, or their engine demanded anything more than factory fueling levels, this in-tank pumps made upgrading to an aftermarket lift pump quite the chore. In the past, with an in-tank pump, you had a couple of options to retrieve fuel from the tank. First, you could install what is commonly referred to as a "draw-straw" in which you drill a hole in the top of your tank and install a bulkhead fitting with a tube that goes into your tank. Unfortunately, for many, this resulted in what's known as "1/4 tank issues" where the straw is unable to pull fuel from the tank once fuel levels dipped below 1/4 of a tank. Secondly, you could install a sump where you're required to remove all fuel from your tank and install basically a bowl on the bottom of your tank and fuel is drawn from the lowest point on the tank. While this is great in order to simplify the process and eliminate these 1/4 tank issues, they're troublesome to install, prone to leaking if not sealed properly, and require a hose to run along the bottom of your tank.

Fleece Performance sought to rectify all of these issues created by having an in-tank pump, and they have, with their SureFlo Performance Sending Units! SureFlo performance sending units are designed to work with aftermarket lift pumps and fits directly into your stock sending unit location. It features factory style quick disconnects to adapt your stock fuel lines at the tank, giving you the cleanest installation available, and requiring no cutting or drilling of the tank. SureFlo works by drawing fuel from, and returning fuel to, the bucket assembly at the base of the unit. This ensures you are always drawing fuel into your pump and not drawing air into the fuel system as well as eliminates the dreaded 1/4 tank problems. The SureFlo bucket also incorporates one way check valves to allow fuel to easily flow in at lower levels.

Fleece SureFlo performance sending units are also a great alternative for trucks originally equipped without an in tank pump needing to repair a malfunctioning level sender or if you are simply looking to run your own custom fuel lines directly to the tank.
No shipping to CA
Manuals and Guides
FEATURES & BENEFITS:
  • OEM style fitment that requires no tank cutting or drilling
  • New fuel level electronics and fuel float
  • Heavy duty billet aluminum cap
  • Universal -8 AN ports for professionally plumbing a custom fuel setup
  • New O-ring or flange seal
IMPORTANT NOTE:
  • This is not a fuel pump, it is only the sending unit that installs into your fuel tank.
About Fleece Performance Engineering
Browse Fleece Performance Engineering Parts Online by Make, Model, and Year.

Fleece Performance Engineering is a customer-centric diesel performance company that specializes in the development and manufacturing of innovative and extremely forward-thinking products to improve upon the performance and reliability of your Cummins, Duramax, or Powerstroke. Originally operating from a shop on their family farm, they have now grown to a full-scale operation that excels in air and fuel-related components for light-duty diesel. A continuous focus on product quality and the creation of new design principles before the competition is what keeps Fleece Performance growing by leaps and bounds year after year and at the forefront of the winners circle. Many know Fleece for its line of Cheetah Turbos, PowerFlo Lift Pumps, and 10mm Stroker Pumps, but it goes far beyond! From the simple, yet widely popular exhaust manifold stud kits that eliminate the troublesome factory manifold hardware to full-blown race engines via their Freedom Racing Engines division, they are truly a "one-stop shop!" And no, Fleece isn't "just" for the hot rod diesel market, they've got kits and components for every level of diesel truck owner.

TIMELINE OF FLEECE PERFORMANCE ENGINEERING:
  • 2008: Fleece Performance Engineering was established in North Salem, IN by Brayden and Chase Fleece. Both had a passion for continuously innovating and improving upon products already on the market. Brayden's 2004.5 LLY Duramax became the test bed to develop the TurboBrake and Duramax Cheetah, while Chase's 2002 Cummins was one of the first Cummins pickups to integrate an Allison Transmission.
  • 2012: Fleece Performance upgrades both facility and location by relocating to Nitro Alley in Brownsburg, IN situated among some of the top racing leaders in the world.
  • 2014: Fleece Performance acquires the area's premier engine machine shop, Freedom Racing Engines. The acquisition enables Fleece Performance to expand the engine development program and product offerings. Today, Fleece Performance and Freedom Racing Engines build some of the most competitive engines in the industry.
  • 2018: Fleece Performance breaks ground on a new 75,000 sq. ft. facililty in Pittsboro, IN.
  • 2019: Fleece Performance and Freedom Racing Engines relocates to its new facility in Pittsboro, IN. The all new headquarters provides additional space for product development, production and work areas, assembly and testing, a larger warehouse, as well as four engine dynamometers, and two-story office space.
  • 2020: Fleece Performance receives ISO9001:2015 Certification.
  • 2021: Fleece Performance Engineering was voted as one of the Best Places to Work in Indiana by the Indiana Chamber of Commerce.
  • 2022: Fleece Performance Engineering was voted again as one of the Best Places to Work in Indiana by the Indiana Chamber of Commerce.

As always, if you have any questions about which Fleece turbo, fuel, engine, or other product is right for you, do not hesitate to give us a call and we would be happy to assist.

Video
Diesel Talk | Fleece Sureflo In-Tank Sending Unit
Many people are still modifying and keeping older diesel trucks on the road. Lots of these trucks have aftermarket frame-mounted lift pumps but the in-tank sending units have bitten the dust. Replace an aging part with the SureFlo from Fleece Performance Engineering and keep your truck on the road and performing for years to come.
Video
This Is How We Do It | Fleece Sureflo Fuel Tank Sending Unit
The Fleece Performance SureFlo is a comprehensive kit which makes for an easy install on your truck. Your aging sending unit can cause an incorrect fuel level reading and may not be able to physically flow as much fuel as your stock or aftermarket lift pump demands. Check out this install overview and let us know if you have any questions!