Sierra 2500 HD

The plastic HVAC heater hose connectors are a common failure point when the older part fatigues from heat and vibration. This PPE Stainless Steel Heater Hose Connector will provide excellent durability and corrosion resistance for the life of your...

When installing PPE Exhaust Manifolds and Up-pipes, the factory coolant tube is no longer compatible. Intended for race trucks that no longer have the need for coolant to flow to the EGR and cabin heater. The Coolant Block-Off Plug is installed in place...

People know that billet aluminum is a lot tougher than plastic. That toughness means fewer problems over time. So replace your fragile plastic, factory air bleeder screw with the longer-lasting billet aluminum PPE Air Bleeder Screw. The damage and...

Specifically designed for use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows for installation of factory...

Factory coolant hose "T" fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's Performance Silicone Coolant Hose Kit.Perfect for...

Specifically designed for use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows for installation of factory...

Specifically designed for use in conjunction with the factory oil cooler filter housing. This coolant pipe is custom fabricated with a heavy duty flange. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone...

Help reduce the heat in your .5- Chevrolet/GMC 6.6L LLY, LBZ, LMM, and LML Duramax engine bay with this Mishimoto turbo blanket. One of the main drawbacks to a turbocharger is the massive amount of heat that it produces. That heat can severely affect...

Factory coolant hose "T" fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's Performance Silicone Coolant Hose Kit.Perfect for...

Corrosion is often seen on this stock part as they age out. This can lead to blockage and reduced cooling capability. Replace your corroded OEM thermostat housing bridge with the PPE high-strength, cast-aluminum Thermostat Housing. This high-quality...

Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes.The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan which prevents your old oil...

In a dry sump, engine oil is stored in a tank outside the engine rather than in the oil pan. There are at least two oil pumps in a dry sump - one pulls oil from the sump and sends it to the tank, and the other pump takes oil from the tank and sends it to...