Wehrli

Aluminum Upper Coolant Pipe for 2003-2009 Cummins replaces the OEM rubber upper coolant hose and comes powder coated in your choice of colors! For use with OEM RAM radiator. Aftermarket radiators may...

Aluminum Upper Coolant Pipe for 2003-2009 Cummins replaces the OEM rubber upper coolant hose and comes powder coated in your choice of colors! For use with OEM RAM radiator. Aftermarket radiators may...

Replace the lightweight 16G, leak-prone passenger side OEM up pipe in your 2001-2004 6.6L LB7 Duramax with this heavy-duty 11 gauge 2" Stainless up pipe from WCFab. Our HD Stainless Bellow that will...

Replace the lightweight 16G, leak-prone Driver side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe. HD Stainless Bellow that will not crack and leak like OEM. Increase Turbo spool up...

Replace the lightweight, leak-prone passenger side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up...

Fabricated Aluminum Coolant Tank Kit for 2011-2016 6.6L Duramax Diesel equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck. Mounts in OEM coolant tank location. Dress up your engine bay...

Fabricated Aluminum Coolant Tank Kit for 2011-2016 6.6L Duramax Diesel equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck. Mounts in OEM coolant tank location. Dress up your engine bay...

WCFab's Fabricated Aluminum Coolant Tank Kit for the 2001-2007 Chevrolet Silverado and GMC Sierra 2500 and 3500 HD trucks equipped with the 6.6L Duramax diesel engine mounts in the OEM coolant tank...

2013-2018 6.7L Cummins Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. All New Design. Dress up your engine bay by replacing the ugly clear plastic coolant reservoir with...

2013-2018 6.7L Cummins Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. All New Design. Dress up your engine bay by replacing the ugly clear plastic coolant reservoir with...

Replace the lightweight 16G, leak prone, 1 5/8" OEM up pipes on your 2017-2025 6.6L L5P Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck with these heavy duty 11 gauge 2"...

3" High Flow Y-Bridge for custom fabrication use. Not a direct OEM replacement. Does bolt to OEM intake runners. 3" Bead Roll Connection at inlet. 14 ga Aluminum neck and TIG welded CNC machined...

Replace the lightweight 16G, leak-prone, 1 5/8" OEM up pipes with these heavy-duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo...

2001-2004 LB7 Duramax S400/Stock Compound Turbo Kit.1000 RWHP capable depending upon turbo and fuel system modifications. Recommended for daily driver work trucks and tow rigs looking for increased...

2004.5-2007 5.9L Cummins Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. Dress up your engine bay by replacing the aging, yellowed plastic coolant reservoir with our custom...