See all Fuel Components products
Product thumb
Fleece Performance Short & Long Bed L5P Fuel Filter Upgrade Kit GM 6.6L L5P Duramax 2017-2024
$229.00
The patented Fleece Performance L5P fuel filter upgrade kit allows you to seamlessly change over from the stock cartridge style filter to a spin-on canister style filter. The canister filter provides for increased filter capacity and longer change intervals as well as expands your filter options. Our anodized billet aluminum fuel filter base has been designed to retain the proper fuel flow path across the PTC heating element to ensure maximum effectiveness in cold weather. The new filter base installs in the same location as the stock cartridge filter base and includes quick disconnect fittings for an OE quality fit and finish.

2017-2019 L5P Fuel Filter Upgrade Kit For Short and Long Bed applications as well as 2020-2024 Crew Cab Long Bed applications.



Features:
  • Donaldson 4 micron fuel filter and water separator (Donaldson P/N P553203)
  • Filter base with integral mounting
  • Distribution filter block / filter coupler
  • Quick disconnect fittings
  • 1/8" NPT port for fuel pressure monitoring
  • Cross-Reference: Replaces GM Part # 23149526, 84711317, 84996837
  • US PATENT. NO. D978,917
  • Warranty: 1 Year Limited Parts Warranty


Install Instructions:

Fitment:
  • GM Silverado/Sierra 2500/3500 6.6L L5P Duramax 2017-2024


Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Fleece Performance Banner

Who is Fleece Performance?

Fleece Performance is an aftermarket company established in 2008 in North Salem, IN, by Brayden and Chase Fleece. The company is known for manufacturing performance parts for various diesel engines. Today, Fleece Performance is the leading brand in the market when it comes to diesel aftermarket parts. 

Diesel Performance Parts Experts

The company’s founders Brayden and Chase, are fellow enthusiasts themselves. They decided that they wanted to improve the products already existing in the market. Using their vehicle as their product’s testbed, they created some of the best parts available today. As a result, they have established a reputation as a brand that provides innovative products that pushed the limits of diesel performance technology.

Quality Made Products

The company offers a wide range of turbochargers, AN Fittings, Fuel system parts, and cylinder head kits. They cater to a variety of automotive brands such as Ford, Dodge, and Chevy. Each product is carefully designed to produce optimum performance and is developed, assembled, and tested in their in-house facility. 

The company received its ISO certification in 2020, which shows that the company adheres to the strict standard set by the regulators.

Purchase Fleece Performance Products At Vivid Racing

If you are in the market for high-quality diesel performance parts, then Fleece Performance is the brand for you. They have been manufacturing quality parts for more than ten years and has gained the trust of many diesel enthusiast and racers alike. To know more about Fleece Performance, visit Vivid Racing and check out their list of products that fit your specific need.

Fleece Performance Engineering develops and manufactures performance productsfor the diesel automotive industry. Throughout the design, validation, and manufacturing process our products are tailored to the high performance diesel community. We understand that the high performance industry will inherently push hardware to its failure point.We stand behind our products and are confident that when integrated in the appropriate application they will live a long and successful life.

LIMITED WARRANTY ON NEW FLEECE PERFORMANCE ENGINEERING PRODUCTS (US AND CANADA ONLY)

Fleece Performance Engineering will provide for repairs or replacement, at its option, during the warranty period of each new product model listed on page 2 in accordance with the following terms, conditions, and limitations: View HERE
You're seeing this because you're logged into an employee account or you're accessing the site through an internal IP address. This information is not normally visible.
Things
Sale price None
Wholesale price $229.69
Shipping Weight: 8.00
Length: 12
Width: 5
Height: 10
Product Added At Tuesday 13 December, 2022
Product Modified At Friday 11 July, 2025
Imported By ETLOverride
Last Edited By vendordata@vividracing.com
View In Admin

Emissions Info
Carb Approved Yes
Carb Number -
Epa Status N/A
Prop65 Unknown
Carb Required -
Vendors
Some placeholder content for the collapse component. This panel is hidden by default but revealed when the user activates the relevant trigger.
Vendor Inv Cost Retail Jobber MAP Core Updated
Fleece Performance $194.65 $240.45 $206.10 $229.00 ? 2025-07-11 06:02:31


Check out these other great products