Beefy Durable Stainless Steel Radiator Cap Replacement for Toyota Avalon Venza ES300h GS350, OEM 16401-31650 Coolant Reservoir Cover, Auto Engine Cooling Accessory, Leakproof and Long Lasting

Durable stainless radiator cap for Toyota models (1pc)
✔️ Leakproof, OEM-number compatible cap with easy hand install

This radiator cap replacement is a stainless steel cap designed for Toyota cooling systems, helping seal the coolant reservoir and regulate pressure to prevent leaks. It's commonly used in Toyota Avalon, Venza, ES300h, GS350 and related models.

✅ Material: stainless steel; high-temp resistance
✅ Size: 41 mm x 62 mm (1.61 in x 2.44 in)
✅ Weight: 30 g / 1.13 oz
✅ Replacement OEM numbers: 16401-31650, 16401-31480, 16401-20353, 16401-02421, 16401-28280
✅ Easy tool-free installation

💡 What is a radiator cap replacement used for in car cooling systems?

This handy upgrade helps keep coolant under proper pressure and prevents leaks.

- Seals coolant and maintains system pressure - Handy upgrade for longer life of cooling components - Check OEM numbers like 16401-31650 to confirm fit