2017-2019 Duramax L5P External Components

ACDelco

2017-2025 Duramax Belt Tensioner

Wehrli Custom Fabrication

Universal Billet Heater Core Fitting Hardware Kit (WCF207-27)

Wehrli Custom Fabrication

Universal 3/4" Universal Breather Kit with Elbow (WCF207-31)

Wehrli Custom Fabrication

Duramax Engine Cover Coolant Plug 1.1" Bore (WCF100025)

Wehrli Custom Fabrication

Universal Fitting, 3/4" Hose Barb, Straight, with 1/2" NPT Port (WCF205-151)

Wehrli Custom Fabrication

Universal Billet ORB Fill Plug for Rear Differential Covers, Clear Anodized (WCF205-459-CLR)

Wehrli Custom Fabrication

Universal 3/4" Breather Element (WCF206-30)

Wehrli Custom Fabrication

Universal T3/T4/T6 Midframe Turbocharger 10An Extended Oil Drain Fitting Kit (WCF100674)

Wehrli Custom Fabrication

Universal Billet ORB Fill Plug for Rear Differential Covers, Black Anodized (WCF205-459-BLK)

Wehrli Custom Fabrication

Universal O Ring Seal, Passenger Side Intercooler Pipe Throttle Valve Flange (WCF203-120)

Wehrli Custom Fabrication

Universal O Ring Seal Y Bridge Inlet (WCF203-90)

Wehrli Custom Fabrication

Universal O Ring Seal, Passenger Side Intercooler Pipe Intercooler Outlet Flange (WCF203-83)

Wehrli Custom Fabrication

Universal Billet Aluminum Coolant Tank Cap, Black Anodized (WCF100543)

Wehrli Custom Fabrication

Universal O Ring Seal VGT Turbo Inlet Flange (WCF203-72)

Wehrli Custom Fabrication

2017-2025 Duramax High Flow 3.5 In. Y-Bridge (Bridge Assembly Only), Raw (WCF100283-RAW)

Wehrli Custom Fabrication

2017-2025 Duramax High Flow 3.5 In. Y-Bridge (Bridge Assembly Only) (WCF100283)