Engine Parts & Upgrades

Fleece Performance MAP Sensor Pigtail is produced in-house and ensures quality of parts and performance for your 1998.5-2000 Dodge 5.9L Cummins truck.

Replacement 48RE neutral safety switch connector with 6" pigtail for use on the 2006-2007 5.9L Cummins.

Fleece's Replacement connector with 6" pigtail for use on the 6.6L Duramax engine and other vehicle applications. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck or car back on the road quickly.

Fleece's OEM Replacement Fuel Injector Connector 4.5" Pigtail ensures high quality parts for your 2017-2022 GMC/Chevy 6.6L Duramax truck.

Repair your throttle valve actuator connector with our repair pigtail. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck back on the road quickly.

Replacement Water-In-Fuel (WIF) connector with 6" pigtail for use on the 2011-2016 (2016-2019 F650/F750) Ford Powerstroke.

The Fleece Performance Charging Circuit Harness for 2011-2016 Ford 6.7L Power Stroke is a drop-in replacement with no cutting or splicing to fix the common problem of an intermittent or continuosly illuminated battery lamp on the dash!

Replacement connector with 6" pigtail for use in multiple locations on the Duramax and Powerstroke engines. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck or car back on the road quickly.

Replacement connector with 6" pigtail for use on the Ford Powerstroke alternator and additional applications. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck back on the road quickly.

Fleece Performance's OEM Replacement Sensor Connector w/ 4.5" Pigtail ensures high quality parts for your 2001-2022 GMC/Chevy 6.6L Duramax truck.

Mahle Cummins Exhaust Manifold Gaskets - Dodge 1998-2018 - Direct Replacement Full Set

Mahle Duramax Exhaust Manifold Gaskets - GMC 2001-2016 - Direct Replacement Full Set

Mahle Powerstroke Exhaust Manifold Gaskets - Ford 2003-2010 - Direct Replacement Full Set

Mahle Powerstroke Exhaust Manifold Gaskets - Ford 2011-2014 - Direct Replacement Full Set

Direct replacement for your 1994-2010 Ford Powerstroke pickup.

Reseal the exhaust manifolds in your 2003-2010 Ford 6.0L/6.4L Powerstroke with the Ford 6C3Z-9448-A Exhaust Manifold Gasket.

2003-2010 Ford Powerstroke 6.0/6.4L - When removing and/or replacing your transmission, you'll need to replace your rear main seal when re-assembling. Make sure you replace the rear main seal with a genuine Ford/Motorcraft OEM factory replacement for piece-of-mind.

2011-2017 Ford Powerstroke 6.7L - When removing and/or replacing your transmission, you'll need to replace your rear main seal when re-assembling. Make sure you replace the rear main seal with a genuine Ford/Motorcraft OEM factory replacement for piece-of-mind.

1994-2003 Ford Powerstroke 7.3L - When removing and/or replacing your transmission, you'll need to replace your rear main seal when re-assembling. Make sure you replace the rear main seal with a genuine Ford/Motorcraft OEM factory replacement for piece-of-mind.

Whether building your 1994-2010 Ford 7.3L/6.0L/6.4L Powerstroke valvetrain for daily driving or for the track, don't risk engine failure from reusing the old lifters

For those living in warm climates where cold starts are not an issue, the OE heater grid can be replaced with S&B’s Heater Block Delete, which will provide a 30.91% improvement in airflow. Fits 1998-2007 Dodge 5.9L Cummins trucks.

2003 - 2007 Ford Powerstroke 6.0L - 375 core charge will apply.

The XDP Exhaust Manifold Gasket Set XD531 are high-quality replacements for the blown-out or leaking gaskets in your 1998.5-2018 Dodge Ram 5.9L/6.7L Diesel.

Dorman's Exhaust Manifold Kit is a direct replacement upgrade and provides better performance for your 2001-2016 GMC/Chevy 6.6L Duramax truck.

Protect your Cummins 6.7's MAP sensor from dirty exhaust gas and sticky oil buildup with Banks’ MAP Sensor Relocation Kit. A contaminated sensor can cause inaccurate readings, adversely affecting fuel economy and power output.

2011-2016 Ford Powerstroke 6.7L - BD's Driver's Side Exhaust Manifold is crafted with a heavy duty thick-walled Hi-Silicon ductile casting - 75% thicker than OEM. This helps combat manifold cracks due to high temps and long cycle life.

2011-2014 Ford Powerstroke 6.7L - BD's Manifold set is crafted with a heavy duty 0.275” thick-walled Hi-Silicon ductile casting, making it 75% thicker to combat cracking due to high exhaust temperatures and long cycle life.

2003-2004 Ford Powerstroke 6.0L - Fully EGR Compatible. BD up-pipes are designed to minimize restriction to the turbo utilizing internally shielded expansion bellows. The turbo Y-adapter is made from high-silicon ductile iron.

2004.5-2007 Ford Powerstroke 6.0L - Fully EGR Compatible. BD up-pipes are designed to minimize restriction to the turbo utilizing internally shielded expansion bellows. The turbo Y-adapter is made from high-silicon ductile iron.

2008-2010 Ford Powerstroke 6.4L - Fully EGR Compatible. BD up-pipes utilize internally shielded expansion bellows to minimize restriction to the turbo and improve exhaust velocity and turbo response time.

1998 - 2002 Dodge 5.9L Cummins

2008 - 2010 Ford 6.4L Powerstroke

Dorman's Exhaust Manifold Kit is a direct replacement upgrade and provides better performance for your 2001-2016 GMC/Chevy 6.6L Duramax truck.

Dorman's Exhaust Manifold Kit offers direct replacement upgrade and provide better performance for your 1999-2003 Ford 7.3L Powerstroke truck.

Dorman's Exhaust Manifold Kit offers direct replacement upgrade and provide better performance for your 2001-2016 GMC/Chevy 6.6L Duramax truck.

Fleece Performance Fuel Rail Pressure Sensor Extension Harness is designed to add additional flexibility in the harness routings and ensures quality of parts and performance for your 2003-2012 Dodge 5.9L/6.7L Cummins & 2001-2016 GMC/Chevy 6.6L Duramax truck.

Fleece Performance's Intake Air Temperature Sensor Extension Harness ensures quality of parts and performance for your 2013-2018 Dodge 6.7L Cummins truck.

Convert your 2003-2005 Ram with 4-pin injector connectors to the 2006-2018 6-pin injector connectors with our plug-and-play conversion harness.

Convert your 2006-2018 Ram with 6-pin injector connectors to the 2003-2005 4-pin injector connectors with our plug-and-play conversion harness.

The Mahle MS16314 Exhaust Manifold Gasket Set is a high quality replace for the stock gasket when replacing the exhaust manifolds in your 1994-2003 Ford 7.3L Powerstroke.