Metzger 06E 121 545 Engine Coolant Hose for Audi VW 3.0L Supercharger Cooling

The Metzger 06E 121 545 is a replacement engine coolant hose (also known as a water hose or radiator coolant hose) designed for the Audi/Volkswagen 3.0-liter supercharged gasoline engine platform. This hose is a critical component of the engine's cooling circuit, routing coolant through the supercharger cooling system to maintain safe operating temperatures.

Key Features:

• Direct-fit replacement coolant hose engineered to OEM specifications
• Designed for the 3.0L supercharged (TFSI) engine family — engine code 06E
• Functions as an auxiliary/return coolant hose in the supercharger cooling circuit
• Manufactured to withstand continuous exposure to hot coolant and antifreeze
• OEM Reference Number: 06E 121 545 (also referenced as 06E121545)
• Compatible with Audi VAG Group platforms across multiple model years

Metzger is a well-established European OE supplier of automotive replacement parts, producing components that meet the same fit, form, and function standards as original equipment. This coolant hose is a straightforward, direct-swap replacement for worn, cracked, or leaking original hoses. Replacing a degraded coolant hose promptly helps prevent coolant loss, overheating, and potential engine damage.