quick view Choose Options Wehrli Custom Fab 2017-2019 L5P OEM Placement Coolant Tank Kit by WCFab MSRP: $459.00 $454.93 Coolant Tank, OEM Placement, for 17-19 Duramax L5PDetails: Material Aluminum OEM OEM Placement Sold As Each Finish Type Powder Coated Features: Coolant Tank Low Coolant Level... Choose Options
quick view Add to Cart Wehrli Custom Fab 3.5" Downpipe for 2017-2020 Duramax MSRP: $319.00 Replace the restrictive crushed factory down pipe on your 2017-2020 L5P Duramax with this 3.5" Down Pipe for improved exhaust flow. Black Ceramic Coated and Heat wrapped. Down Pipe includes... Add to Cart
quick view Add to Cart Wehrli Custom Fab Billet Aluminum Master Cylinder Cap for 1999-2019 GM MSRP: $35.00 Clean up the engine bay of your 1999-2019 GM 1500/2500/3500 truck with this anodized billet aluminum brake reservoir cap from WCFab. This is a complete cap not a cover. Direct OEM replacement. CNC... Add to Cart
quick view Add to Cart Wehrli Custom Fab CP3 Conversion Kit with Exergy Pump for 2011-2016 Duramax MSRP: $1,699.00 The Factory CP4.2 Pump Found on 2011 and newer Duramax's has been known to be a problematic component. Even the slightest amount of fuel or water contamination can ruin the pumps internals leading to... Add to Cart
quick view Choose Options Wehrli Custom Fab Duramax and Cummins 11.5" AAM Rear Axle Differential Cover by Wehrli Custom Fab MSRP: $367.63 Fabricated Aluminum Rear Differential Cover for AAM 11.5 Axle for Dodge and GM HD Trucks. Choose Options
quick view Add to Cart Wehrli Custom Fab T4 Spacer Plate Kit 1" with Studs and Gaskets MSRP: $119.00 $115.43 1" Thick Steel Divided T4 Spacer Plate Kit, Ceramic Coated Black. Includes M10 Mounting Studs 2.5" long, nuts, washers, and two T4 Gaskets Add to Cart
quick view Add to Cart Wehrli Custom Fab Up-Pipe Bolt Kit for 2017-2020 L5P Duramax MSRP: $55.29 The WCFab L5P Up Pipe Bolt Kit is comprised of 12 specially selected high strength ARP fasteners and matched washers with a pack of assembly lube are designed as an upgrade to the smaller and failure... Add to Cart