Genuine 5C0122109 Engine Coolant Reservoir Hose - Lower

Engine Coolant Reservoir Hose for Jetta

This Genuine engine coolant reservoir hose is a direct-fit cooling system replacement for select Volkswagen applications. It is listed for the lower position on 2011-2015 Volkswagen Jetta models with the 2.0L naturally aspirated engine.

Key Features

• Genuine replacement part for cooling system service
• Engine coolant reservoir hose for the lower connection point
• Fits 2011-2015 Volkswagen Jetta, lower
• Application-specific for 2.0L naturally aspirated engines
• Part number 5C0122109 for accurate ordering and lookup

Detailed Description

Part number 5C0122109 is an engine coolant reservoir hose used in the cooling system to route coolant between the reservoir and related components. This Genuine hose is cataloged for 2011, 2012, 2013, 2014, and 2015 Volkswagen Jetta models with the 2.0L naturally aspirated engine in the lower position. If you are replacing a worn or leaking Volkswagen Jetta coolant reservoir hose, 5C0122109 provides the correct fitment reference for the listed application.

What It Helps Address

• Coolant seepage at the reservoir hose connection
• Cracked or brittle hose material from age and heat cycling
• Loss of coolant flow through the lower reservoir line
• Cooling system service on a 2011-2015 Volkswagen Jetta
• Incorrect hose selection during radiator or reservoir repair

Installation Notes and Tips

Verify the lower hose routing and engine configuration before installation. This part is listed for 2011-2015 Volkswagen Jetta, lower, 2.0L naturally aspirated applications only. Inspect adjoining clamps, fittings, and reservoir necks for wear before reassembly, and confirm the cooling system is properly filled and bled after service.

Quality Assurance

Genuine OE-style replacement part identified by part number 5C0122109. Confirm fitment against the vehicle’s engine and cooling system layout before ordering.