Gates 18297 HVAC Heater Hose - Radiator To Engine

Gates 18297 Molded Heater Hose Overview

The Gates 18297 molded heater hose is a factory-shaped coolant hose built for tight engine bays and OE-style routing. It is made from EPDM and is approved for coolant, water, air, and marine applications.

For Chevrolet Express 1500, Express 2500, and Express 3500 as well as GMC Savana 1500, Savana 2500, and Savana 3500 applications, this molded heater hose follows the radiator-to-engine path for a direct replacement layout.

Key Features

• Brand: Gates Molded Heater Hose line
• Part number: 18297
• EPDM construction for coolant-system service
• Factory-molded shape for smaller, tighter engine compartments
• End inside diameters: 7 mm (.27 in) and 10 mm (.38 in)
• Centerline length: 1001 mm (39.4 in)
• Molded design with no quick-connect fittings
• Approved for coolant, water, air, and marine use

Product Details

Gates Molded Heater Hose 18297 is an OEM-style replacement hose formed to match the routing needed in compact engine compartments. The molded profile helps maintain the correct path between the radiator and engine, while the EPDM material is suited for heater and coolant circuit service. This part cross-references Anchor 10297 for the same application.

Compatible With 2008-2013 Chevrolet Express 1500, radiator to engine; 2008-2013 Chevrolet Express 2500, radiator to engine; 2008-2013 Chevrolet Express 3500, radiator to engine; 2008-2013 GMC Savana 1500, radiator to engine; 2008-2013 GMC Savana 2500, radiator to engine; and 2008-2013 GMC Savana 3500, radiator to engine. If you are replacing a molded heater hose on a Chevrolet Express or GMC Savana van, part number 18297 provides the correct shaped routing for these listed applications.

Common Replacement Reasons

• Cracked or hardened heater hose material
• Coolant seepage at the hose body or connection points
• Collapsed or misshaped hose routing in a tight engine bay
• Restricted coolant flow from an aging molded hose
• Incorrect fitment after a previous universal hose repair

Installation Notes

Verify end diameters and routing before installation, especially on radiator-to-engine heater hose applications. Inspect adjoining fittings, clamps, and nearby coolant components for wear before installing the new hose. Confirm the hose follows the original molded path so it clears surrounding engine components on Chevrolet Express and GMC Savana models.

Quality Assurance

Gates manufactures this molded heater hose as an OE-style replacement built for the demands of coolant-system service in compact vehicle layouts. The Gates 18297 part number is listed for the specified Chevrolet Express and GMC Savana applications.