Subaru OEM Radiator Cap | 45137AE003 | WRX & STI

Genuine Subaru OEM radiator cap designed to maintain proper cooling system pressure for reliable cooling system performance. Built to Subaru specifications for consistent operation and long service life.

Fitment:
• 1992–2026 WRX
• 1994–2021 STI

Note:
Recommended replacement during cooling system service or whenever signs of wear are present. A properly functioning radiator cap helps maintain correct cooling system pressure and supports overall cooling system performance.