Have A Quick Question? Text Us! (915)-895-3833 *Emailing may be required*

Actuator Codes? Call Us Before You Purchase For Some Important Information!

S&S DCR Kits & DPK Kits In Stock!

Big Bang Injectors In Stock!

Fleece Performance Brand

437 products
Fleece Performance Engineering is a leading manufacturer of aftermarket diesel performance products. With a reputation for innovation, quality, and service, our products push the limits of diesel performance technology. Products such as the Cheetah line of Turbochargers, the TapShifter, and the TurboBrake have established Fleece Performance as an industry innovator.
Brand Show all Brand
Product Type Show all Product Type
Price
  • -
Show all Price
Fleece | 2017-2022 GM 2500 / 3500 Duramax Replacement Fuel Injector Connector With Pigtail (8 Pack)
$299.99
$299.99
A common failure point on the L5P Duramax, our replacement connector with 4.5" pigtail for the fuel injectors will get you back on the road quickly.  This connector is typically replaced during an ...
Fleece | 2015-2016 GM 2500 / 3500 LML 6.6L Duramax HD Transmission Cooler Lines Fleece | 2015-2016 GM 2500 / 3500 LML 6.6L Duramax HD Transmission Cooler Lines
$329.99
$329.99
Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your LML truck!  ...
Fleece | 1998.5-2022 Dodge Ram 2500 / 3500 Cummins Turbo Drain Adapter TO 7 / 8in Hose
$32.64
$32.64
The Cummins turbo drain tube adapter is made from high quality 6061 aluminum and anodized black for a superior appearance. It fits into the engine block drain tube location just like the factory dr...
Fleece | 2007.5-2018 Dodge Ram 2500 / 3500 6.7L Cummins Fuel Injection Line Set
$359.99
$359.99
New! Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines. This complete set includes six lines.   KIT IN...
Fleece | 2003-2007 Dodge Ram 5.9L Cummins Manual Trans Coolant Bypass Kit - Black Fleece | 2003-2007 Dodge Ram 5.9L Cummins Manual Trans Coolant Bypass Kit - Black
$359.00
$359.00
Increased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. Thi...
Fleece | 1989-1998 Dodge Ram 2500 / 3500 5.9L Cummins Mechanical Fuel Pump Block Off Plate Fleece | 1989-1998 Dodge Ram 2500 / 3500 5.9L Cummins Mechanical Fuel Pump Block Off Plate
$45.39
$45.39
Have you upgraded from your factory mechanical lift pump to an electric pump? This block off will eliminate the void left by your stock pump. Complete with bolts, cover, and o-ring.