Gates 51985 HVAC Heater Hose

Gates Molded Coolant Hose for Volt and ELR

Gates 51985 is a molded coolant hose built for specific HVAC heater hose applications. It is formed from EPDM and plastic and follows OE-style routing with integrated connection details for a direct-fit replacement on select Chevrolet Volt and Cadillac ELR models.

For buyers searching for a 2011-2015 Chevrolet Volt heater hose or a 2014-2016 Cadillac ELR molded coolant hose, this part number 51985 matches the application-specific design used in those vehicles.

Key Features

• Gates Molded Coolant Hose, part number 51985
• OE-style molded construction for application-specific routing
• EPDM and plastic materials for coolant system use
• Female quick connector included in the hose design
• Centerline length: 8.5 in. (216 mm)
• End inside diameters: 0.72 in. (18 mm) and 0.85 in. (22 mm)
• No spring included

Product Details

Gates 51985 is part of the Molded Coolant Hose line, a product family focused on modular coolant hose assemblies that mirror the original vehicle layout. Gates builds this hose to match specific applications and integrate the connection features needed for the HVAC heater hose circuit, including the female quick connector and molded shape. This helps maintain the correct hose path and connection style on the Chevrolet Volt and Cadillac ELR.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Solve

• Cracked or leaking HVAC heater hose assemblies
• Damaged molded hose routing in the coolant circuit
• Broken or worn quick-connector connection points
• Incorrect hose fitment on OE-style replacement jobs
• Coolant flow issues caused by deteriorated hose material

Installation Notes

Verify the hose routing, connector style, and end diameters before installation. Confirm vehicle application by year, make, and model: Fits 2011-2015 Chevrolet Volt, N/A; Fits 2014-2016 Cadillac ELR, N/A. Compare the original hose layout to the molded shape and connector configuration before removal to ensure correct placement.

Quality Assurance

Gates is a recognized automotive aftermarket supplier with experience in modular coolant hose assemblies. Part number 51985 is manufactured for specific vehicle applications and built to OE-style specifications for the listed fitments.