Gates 19670 HVAC Heater Hose

Gates Molded Heater Hose 19670

Gates 19670 is a molded heater hose built for tight engine bays where a straight hose will not route correctly. This OEM-style replacement uses EPDM construction and a factory-molded shape to match the original path on select Toyota Highlander, Toyota RAV4, Chevrolet Express, GMC Savana, and INFINITI applications.

The Gates Molded Heater Hose line focuses on formed coolant routing for modern and older vehicles alike. This hose is also approved for marine applications and can be used in coolant, water, and air service where the specified size and shape are required.

Key Features

• Part number: 19670
• EPDM rubber construction for coolant-system service
• Factory-molded, OEM-style shape for tighter engine compartments
• 3/4 in. inside diameter at both ends
• Centerline length: 6.9 in. (175 mm)
• Molded design with no branch fittings
• Approved for marine applications
• Cross-reference example: Continental 63081

Detailed Description

Gates 19670 is a molded HVAC heater hose engineered to follow the original coolant hose routing on vehicles that need a formed replacement rather than a universal straight hose. The 3/4 inch inside diameter at both ends and 6.9 inch centerline length make it a direct-size match for listed applications, while the EPDM material supports heater and coolant circulation in demanding underhood conditions. If you are replacing a molded heater hose on a 2014-2017 Toyota Highlander, 2006-2012 Toyota RAV4, or 2005-2013 Chevrolet Express 1500, this part number 19670 provides the correct formed profile for the specified connection points.

Vehicle Fitment

• Fits 2014-2017 Toyota Highlander, N/A
• Fits 2014-2016 Toyota Highlander, Pipe To Thermostat
• Fits 2014 Chevrolet Express 1500, Engine To Heater Outlet
• Fits 2014 GMC Savana 1500, Engine To Heater Outlet
• Fits 2005-2013 Chevrolet Express 1500, Pipe-2 To Valve
• Fits 2005-2013 GMC Savana 1500, Pipe-2 To Valve
• Fits 2011-2013 INFINITI M37, Pipe-2 To Heater Valve
• Fits 2006-2012 Toyota RAV4, Thermostat To Pipe
• Fits 2009-2010 INFINITI G37, Heater To Tee
• Fits 2009 INFINITI FX35, Heater To Tee
• Fits 2008 INFINITI EX35, Heater To Tee
• Fits 2008 INFINITI G35, Heater To Tee
• Fits 2008 INFINITI G37, Heater To Tee
• Fits 2005-2006 Chevrolet Express 2500, Pipe-2 To Valve
• Fits 2005-2006 GMC Savana 2500, Pipe-2 To Valve
• Fits 2006 Pontiac Solstice, Oil Cooler To Tee-2
• Fits 1996-2000 Chevrolet C2500, N/A
• Fits 1996-2000 Chevrolet C3500, N/A
• Fits 1996-2000 Chevrolet Express 3500, N/A
• Fits 1996-2000 Chevrolet K2500, N/A
• Fits 1996-2000 Chevrolet K3500, N/A
• Fits 1996-2000 GMC C2500, N/A
• Fits 1996-2000 GMC C3500, N/A
• Fits 1996-2000 GMC K2500, N/A
• Fits 1996-2000 GMC K3500, N/A
• Fits 1996-2000 GMC Savana 3500, N/A
• Fits 1996-1999 Chevrolet C2500 Suburban, N/A
• Fits 1996-1999 Chevrolet K2500 Suburban, N/A
• Fits 1996-1999 Chevrolet P30, N/A
• Fits 1996-1999 GMC C2500 Suburban, N/A
• Fits 1996-1999 GMC K2500 Suburban, N/A
• Fits 1996-1999 GMC P3500, N/A
• Fits 1996-1997 Acura SLX, Pipe-1 To Engine
• Fits 1994-1997 Honda Passport, Pipe-2 To Engine
• Fits 1993-1997 Isuzu Rodeo, Pipe-1 To Engine
• Fits 1992-1997 Isuzu Trooper, Pipe-1 To Engine
• Fits 1996 Chevrolet G30, N/A
• Fits 1996 GMC G3500, N/A
• Fits 1992-1994 Nissan Maxima, Pipe To Pipe
• Fits 1991-1993 Toyota Previa, Heater To Pipe
• Fits 1991-1992 Isuzu Impulse, Tee-1 To Tee-2
• Fits 1990-1991 Geo Storm, Pipe-2 To Pipe-3
• Fits 1990-1991 Isuzu Impulse, Pipe-2 To Pipe-3
• Fits 1991 Isuzu Stylus, Pipe-2 To Pipe-3
• Fits 1987-1990 Pontiac Sunbird, Pipe To Engine
• Fits 1989 Pontiac Grand Am, Pipe-1 To Engine
• Fits 1986-1988 Buick Century, Pipe-1 To Engine
• Fits 1986-1988 Buick LeSabre, Pipe-1 To Water Pump
• Fits 1986-1988 Oldsmobile 98, Pipe-1 To Water Pump
• Fits 1986-1988 Oldsmobile Cutlass Ciera, Pipe-1 To Engine
• Fits 1987-1988 Oldsmobile Cutlass Cruiser, Pipe-1 To Engine
• Fits 1986-1988 Oldsmobile Delta 88, Pipe-1 To Water Pump
• Fits 1986-1988 Pontiac Bonneville, Pipe-1 To Water Pump
• Fits 1987-1988 Pontiac Grand Am, Pipe-1 To Engine
• Fits 1987 Buick Regal, Pipe-1 To Water Pump
• Fits 1986-1987 Buick Riviera, Pipe-1 To Water Pump
• Fits 1987 Oldsmobile Toronado, Pipe-1 To Water Pump
• Fits 1985-1986 Buick Skyhawk, Pipe-1 To Water Pump
• Fits 1986 Oldsmobile Toronado, Pipe-2 To Water Pump
• Fits 1986 Pontiac Grand Prix, Pipe-1 To Water Pump
• Fits 1986 Pontiac Sunbird, Pipe-1 To Water Pump
• Fits 1985 Pontiac J2000 Sunbird, Pipe-1 To Water Pump

Common Replacement Uses

• Replacing a cracked or softened molded heater hose
• Restoring heater core coolant flow after hose collapse
• Correcting leaks at thermostat, pipe, or heater valve connections
• Replacing a hose that no longer matches the original formed routing
• Servicing coolant, water, or air routing where a molded hose is specified

Installation Notes and Tips

Verify the end inside diameter, centerline length, and molded shape against the removed hose before installation. On vehicles such as the Toyota Highlander, Toyota RAV4, and Chevrolet Express, confirm the connection points listed in the fitment data so the hose follows the original routing without kinks or tension. Inspect adjoining pipes, clamps, and heater fittings for wear before installing Gates 19670.

Quality Assurance

Gates manufactures this molded heater hose as an OEM-style replacement for applications that require a formed coolant hose profile. The EPDM construction and factory-molded design support consistent fitment across the listed vehicle applications, including select Toyota, Chevrolet, GMC, and INFINITI models.