Rein EPT0003 Coolant Expansion Tank

The Rein EPT0003 Expansion Tank is an OE-quality coolant reservoir designed to provide reliable cooling system performance for European import vehicles. This expansion tank serves as the primary reservoir for excess coolant, allowing for proper expansion and contraction as coolant heats up and cools down during engine operation.

Key Features:

• Manufactured from virgin plastic with no regrind material to prevent cracking from heat cycles
• Designed to match or exceed original equipment materials and specifications
• Engineered for exact OE fit and performance to restore cooling system function
• Durable construction withstands extreme under-hood temperatures and vibration
• Direct replacement for the original expansion tank

Rein Automotive specializes in OE-quality replacement parts for European and Asian import vehicles. The expansion tank is a critical component of the cooling system, often positioned at the highest point to allow trapped air to escape while preventing air from entering when coolant is added. Regular inspection of the expansion tank is recommended, as aging plastic can become brittle and develop hairline cracks that lead to coolant loss and potential engine overheating.