Engine Coolant Reservoir Cap

Keep your cooling system sealed and stable with the Dayton Parts Engine Coolant Reservoir Cap 902-5403 from Wofford Truck Parts. This cap holds proper pressure, helps control coolant flow, and protects your engine from overheating during long runs. It threads on smooth and locks tight, so you avoid leaks and pressure loss. Replace a worn or cracked cap before it causes bigger cooling issues. Techs rely on this Dayton Parts coolant reservoir cap for quick installs and steady performance. Inventory moves fast—secure yours now before it sells out.