SKU: WCF100268-RED
The Wehrli Custom Fabrication OEM Placement Coolant Tank Kit in striking WCFab Red. This fabricated aluminum reservoir installs directly in the factory location on the driver's side firewall, delivering reliable cooling performance that outpaces stock plastic tanks prone to cracking, yellowing, and sensor failures. Built to handle the demands of high-performance diesel applications, it ensures consistent coolant levels and prevents overheating issues common in heavy-duty towing and hauling scenarios. Drivers report fewer coolant warnings and longer intervals between maintenance compared to OEM setups or aftermarket alternatives that compromise on fit or durability.
What's Included in Your Purchase
This complete kit arrives ready for installation, containing everything needed for a seamless upgrade:
Precise Vehicle Fitment
Designed as a direct OEM replacement for 2020-2025 models:
Key Specifications
Engineered in-house by Wehrli Custom Fabrication, this red coolant tank kit addresses the weak points of factory plastic reservoirs while maintaining exact OEM connections for hoses and wiring. It stands out in engine bays paired with upgraded intercoolers or intakes, providing a clean, professional look that withstands daily abuse and track days alike. Select this kit for dependable operation that keeps your L5P Duramax running cooler and stronger than ever.
Order now and experience the difference in build quality and function.
Coolant reservoirs, also called expansion tanks or overflow bottles, maintain a pressurized coolant supply that the radiator draws from as the cooling system cools down after engine-off. A cracked or leaking reservoir causes coolant loss and eventual overheating, while an upgraded billet or aluminum tank improves appearance and durability in performance engine bays.Popular UpgradesAluminum and billet coolant expansion tanks for LS and LT engine swaps and popular domestic performance vehicles are the most popular upgrades, providing a clean look and superior durability compared to factory plastic bottles that crack from heat cycling. Universal inline overflow tanks made from polished aluminum or anodized billet are popular on custom engine bays where the stock location has been eliminated. Direct-fit OEM-style replacement tanks restore coolant system function on high-mileage vehicles where the factory tank has cracked or the cap seat has deteriorated.How do I know if my coolant reser...
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