Radiator Cap And Coolant Reservoir Cap OEM 16401-31520 1640131520 Standard Radiator Cap Compatible With Lexus Toyota Scion Auto Replacement Parts Beefy Seal And Reliable Pressure Relief For Engine Cooling
✔️ OEM 16401-31520 radiator cap with beefy seal, relief, 1pc pack
Engine cooling system component used on many Lexus, Toyota and Scion models, this radiator cap seals the coolant system and helps maintain proper pressure for safe operation.
✅ Stainless steel construction stands up to high temperatures and pressure
✅ Replaces OEM numbers including 16401-31520 for broad compatibility
✅ Seals coolant system and provides a reliable two-way relief valve
✅ Works as both radiator cap and coolant reservoir cap in many models
✅ Beefy seal ensures a spill-free seal under engine heat
💡 What is a radiator cap and coolant reservoir cap used for in engine cooling systems?
This handy piece seals the cooling system, maintaining pressure and preventing leaks.
- Maintains proper pressure to prevent coolant boil-over
- Provides safe relief to protect the radiator from over-pressurization