Best selling products

2003-2010 Powerstroke 6.0L/6.4L Manton Straight Valve Springs Valve Springs (D-105-6.0/6.4)

2003-2007 Powerstroke 6.0L Manton Valve Bridge Set of 16 (D-110-6.0)

OCDiesel Unisex Front Logo T-Shirt

2003-2007 Powerstroke 6.0L Head Stud Kit (250-4202)

2011-2016 Duramax LML Dynomite Diesel Reman Injector 20% Over (DDPLML-50)

2001-2016 Duramax 6.6L Mahle Head Gasket Left

2001-2016 Duramax 6.6L Mahle Head Gasket Right

2004.5-2007 Duramax LLY/LBZ Mahle Head Set (HS54580A)

2006-2018 Cummins Mahle Valve Cover Set (VS50543)

1999-2007 Cummins 5.9L Mahle Camshaft Bearing (SH-1981)

2011-2015 Powerstroke 6.7L Mahle Lower Gasket Set (CS54886)

2011-2018 Powerstroke 6.7L Mahle Thrust Washer Set (TW-711S)

2004-2007 Powerstroke 6.0L Mahle Camshaft Bearing (SH-1996S)

2019-2024 Cummins 6.7L 4" Flex Pipe Back Single No Muffler (411029 / 412029)

2019-2024 Cummins 6.7L 4" Cat & DPF/SCR Race Pipe No Muffler (411030 / 412030)

2013-2018 Cummins 6.7L 5" Turbo Back Single w/ Muffler (511006 / 512006)

2010-2012 Cummins 6.7L 5" Turbo Back Single (511003)

2017-2019 Duramax L5P 5" Downpipe Back Exhaust No Muffler (531010)

2007.5-2010 Duramax 4" Downpipe Back Exhaust w/ Muffler (431010)

2007.5-2010 Duramax LMM 4" Cat Race Pipe (FLO-10810)

2011-2016 Duramax LML EGR Upgrade Kit (LML-EGR-A003)

2020-2022 Powerstroke 6.7L 5" Downpipe Back Exhaust No Muffler (521035)

2008-2010 Powerstroke 6.4L 5" Downpipe Back Exhaust No Muffler (521002)