Gates 12045 HVAC Heater Hose - Auxiliary Heater Pipe-3 To Auxiliary Heater

Gates 12045 Molded Heater Hose Overview

The Gates 12045 molded heater hose is an OEM-style coolant hose built for tight engine compartments where a straight hose will not route correctly. Its factory-molded shape and EPDM construction support coolant, water, and air transfer, and it is also approved for marine use.

Compatible With 2001-2005 Chrysler Town & Country, Auxiliary Heater Pipe-3 To Auxiliary Heater; 2001-2005 Chrysler Voyager, Auxiliary Heater Pipe-3 To Auxiliary Heater; 2001-2005 Dodge Caravan, Auxiliary Heater Pipe-3 To Auxiliary Heater; 2001-2005 Dodge Grand Caravan, Auxiliary Heater Pipe-3 To Auxiliary Heater; and 2001-2002 Chrysler Grand Voyager, Auxiliary Heater Pipe-3 To Auxiliary Heater.

Key Features

• Gates Molded Heater Hose product line for OE-style routing and fit
• EPDM rubber construction for coolant-system service
• Factory-molded shape for smaller, tighter engine compartments
• End I.D. dimensions: 0.62 in. / 16 mm at both ends
• Centerline length: 8 in. / 203 mm
• Molded design with no quick-connect fittings
• Part number 12045 for direct catalog lookup

Detailed Description

Gates 12045 is a molded HVAC heater hose engineered to follow the original hose path in vehicles with compact packaging. The EPDM material is suited for coolant circulation and related fluid transfer, while the molded profile helps maintain the correct routing between the auxiliary heater pipe and the auxiliary heater connection. This part number 12045 is listed for Chrysler Town & Country, Chrysler Voyager, Dodge Caravan, Dodge Grand Caravan, and Chrysler Grand Voyager applications with the specified auxiliary heater pipe-to-heater position.

This part cross-references Dorman - OE Solutions 626-301 for the same application.

Common Replacement Reasons

• Cracked or hardened heater hose material
• Coolant seepage at the hose body or connection points
• Incorrect routing from a previous repair
• Restricted heater flow caused by hose deterioration
• Fitment issues in tight engine compartments

Installation Notes and Tips

Verify the vehicle uses the auxiliary heater pipe-3 to auxiliary heater routing and confirm the hose dimensions before installation. This molded hose is listed for vehicles without stowed away seating, so match the application notes before ordering. Inspect adjoining pipes, clamps, and sealing surfaces for wear or corrosion during service.

Quality Assurance

Gates manufactures this molded coolant hose as an OE-style replacement in the Gates Molded Heater Hose line, with a shape and material selection intended to match the demands of modern compact engine layouts. Part number 12045 is cataloged for direct replacement use in the listed applications.