OEM Replacement Engine Coolant Reservoir Cap 21712-79900 For Nissan Murano Rogue Versa Infiniti Engine Cooling System Overflow Bottle Cap Durable Sealing Cap For Overflow Expansion Tank
✔️ Direct OEM replacement cap, Single Pack, with secure seal
This OEM replacement engine coolant reservoir cap fits a broad range of Nissan and Infiniti models, helping maintain proper system pressure and prevent coolant leaks from the expansion tank. It’s made from heat-resistant plastic to withstand the engine bay environment.
✅ Direct replacement for OEM part 21712-79900 (Nissan/Infiniti compatible)
✅ Material: heat-resistant plastic designed to resist deformation and cracking
✅ Inner diameter 32 mm (1.26 in); outer diameter 38 mm (1.50 in)
✅ Seals tightly to prevent overflow and air ingress in the reservoir neck
✅ Pack contents: 1 x Coolant Reservoir Cap.
💡 What is a coolant reservoir cap and why is it important?
It keeps the cooling system sealed and pressurized, reducing the chance of coolant loss and air in the line. Handy for maintenance and OEM compatibility.
- Maintains proper pressure to prevent boil-over - Prevents air ingress into the cooling circuit - Easy replacement with hand-tightening, no tools needed - Compatible with OEM 21712-79900 parts and listed Nissan/Infiniti models ✝️