Genuine 1KM122101B Radiator Coolant Hose - Upper

Radiator Coolant Hose for Jetta

This Genuine radiator coolant hose is a direct-fit replacement for select Volkswagen cooling system applications. It is listed for the upper hose position on 2007-2010 Volkswagen Jetta models, including 2007 Jetta from 1/07 and 2008-2010 Jetta upper hose applications.

Key Features

• Genuine replacement part for cooling system service
• Part number 1KM122101B for accurate ordering and identification
• Upper radiator coolant hose position
• Compatible with 2007-2010 Volkswagen Jetta upper hose applications
• Built for use in the engine cooling circuit

Detailed Description

The Genuine 1KM122101B radiator coolant hose routes coolant through the upper section of the cooling system on select Volkswagen Jetta models. This hose is specified for 2008-2010 Volkswagen Jetta upper applications and for 2007 Volkswagen Jetta upper applications from 1/07, making it a precise match for service work that requires the correct hose shape and routing. If you are replacing a worn or leaking upper radiator hose on a Volkswagen Jetta, 1KM122101B provides the correct fitment reference for the listed vehicles.

Common Issues This Part Can Address

• Coolant leaks at the upper hose connection
• Cracking, swelling, or softening of the existing hose
• Loss of coolant from aged cooling system plumbing
• Improper hose routing after prior repair work
• Overheating caused by a damaged radiator coolant hose

Installation Notes and Tips

Verify the upper hose routing and connection points before installation. Confirm vehicle application by model year and build date, especially for 2007 Volkswagen Jetta vehicles from 1/07. Inspect adjoining clamps, fittings, and coolant condition during service, and refill and bleed the cooling system according to Volkswagen procedures after replacement.

Quality Assurance

Genuine parts are sourced to match the specified application and support accurate OE-style replacement selection. Part number 1KM122101B helps confirm the correct radiator coolant hose for the listed Volkswagen Jetta fitments.