Four Seasons 86151 HVAC Heater Hose Assembly

Heater Hose Assembly for Passat Cooling Service

Four Seasons 86151 is an HVAC heater hose assembly built for engine coolant routing in the heating system. It is a plastic heater hose assembly with a w/o thermostat style, made for 2001-2005 Volkswagen Passat applications.

Use this Four Seasons heater hose assembly when servicing coolant lines on a Volkswagen Passat and you need a direct-fit replacement identified by part number 86151.

Key Features

• Brand: Four Seasons Heater Hose Assembly
• Part number: 86151
• Material: Plastic
• Type: Heater Hose Assembly
• Style: w/o Thermostat
• Description: Engine coolant components
• Fits 2001-2005 Volkswagen Passat, N/A

Product Details

This HVAC heater hose assembly is part of the engine coolant circuit and is used to route coolant through the heating system. Four Seasons 86151 is specified for 2001-2005 Volkswagen Passat models and is listed as a heater hose assembly without thermostat provisions. If you are replacing a damaged, leaking, or heat-affected coolant hose on a Volkswagen Passat, this assembly provides the correct application match for the listed vehicles.

Four Seasons Heater Hose Assembly 86151 is also cross-referenced to Focus Auto Parts 86151 for the same application.

Common Issues This Part Can Address

• Coolant leakage from a cracked or deteriorated heater hose assembly
• Restricted coolant flow through the heater circuit
• Loss of cabin heat caused by a damaged coolant line
• Heat-related plastic hose failure in the engine bay
• Service replacement for a worn Volkswagen Passat heater hose assembly

Installation Notes and Tips

Verify the vehicle year and application before installation. Inspect adjoining coolant pipes, seals, and connection points for wear or residue before transferring the new assembly into place. Because clamps, caps, and mounting hardware are not included, reuse or source the required related components separately as needed for the repair.

Quality Assurance

Four Seasons supplies HVAC and engine coolant components for automotive repair applications. This part is identified by OE-style application data and is intended for the listed Volkswagen Passat fitment.