Dayco Radiator Overflow Tank DOT0049 Coolant Expansion Reservoir

PRODUCT OVERVIEW

The Dayco DOT0049 radiator overflow tank is an aftermarket coolant expansion reservoir designed to support stable engine operating temperatures by managing thermal expansion and recovery of coolant within the vehicle cooling system.

KEY FEATURES

• Part Number: DOT0049
• Engineered as a direct replacement overflow tank for compatible applications
• Supports correct coolant expansion, recovery and reservoir levels
• Helps maintain consistent engine operating temperature and cooling efficiency
• Manufactured to meet stringent aftermarket quality standards

FUNCTION

This radiator overflow tank, also known as a coolant expansion reservoir, captures excess coolant as it expands under temperature and pressure, then returns coolant to the radiator as the system cools. Correct operation of the overflow tank helps prevent coolant loss, overheating and air ingress into the cooling system.

APPLICATION & FITMENT

This is a general replacement component for suitable vehicles requiring a Dayco DOT0049 overflow tank. Always confirm compatibility using your vehicle details and the part number DOT0049 before purchase and installation.

INSTALLATION NOTES

• Professional installation is recommended for optimal cooling system performance
• Inspect associated hoses, clamps and coolant condition during replacement
• Bleed the cooling system according to the vehicle manufacturer’s procedure after installation

SPECIFICATIONS

• Brand: Dayco
• Part Number: DOT0049
• Product Type: Radiator overflow tank / coolant expansion reservoir