Gates 19661 HVAC Heater Hose - Heater To Tee, Heater To Tee-2 or Pipe-1 To Tee

Gates Molded Heater Hose 19661

Gates 19661 is a molded HVAC heater hose built in an OEM-style shape for tighter engine compartments. It uses EPDM construction and is approved for coolant, water, air, and marine applications, making it a practical replacement for routed heater and coolant lines.

Key Features

• Factory-molded design for accurate routing in compact engine bays
• EPDM hose material for heater, coolant, water, and air service
• Small I.D. molded coolant hose construction
• Centerline length: 4.3 in. (109 mm)
• End 1 inside diameter: 0.72 in. (18 mm)
• End 2 inside diameter: 0.72 in. (18 mm)
• Brand line: Gates Molded Heater Hose for OE-style replacement routing

Detailed Description

This Gates molded heater hose is shaped to follow the original hose path in vehicles with limited clearance around the engine. Part number 19661 is a direct-fit style molded hose for heater and coolant routing, and it is also suitable for water, air, and marine use where the specified dimensions match the application. This part cross-references Unity Automotive 11661 for the same application.

Compatible With select Infiniti G35 heater-to-tee applications, Volkswagen Golf heater-to-tee-2 applications, Volkswagen Jetta heater-to-tee-2 applications, and Nissan Altima pipe-1-to-tee applications. Use the listed fitment to confirm the exact routing and connection points before installation.

What It Helps Solve

• Cracked or leaking molded heater hose sections
• Restricted coolant flow from deteriorated hose routing
• Improper hose fit in tight engine compartments
• Heat-related hose hardening or softening
• Replacement needs for routed heater-to-tee or pipe-to-tee connections

Installation Notes and Tips

Verify end diameters, centerline length, and molded shape against the original hose before installation. Confirm the vehicle’s heater hose routing and connection points, especially on 2007-2008 Infiniti G35, 1999-2001 Volkswagen Golf, 1999-2001 Volkswagen Jetta, and 1993-1997 Nissan Altima applications. Inspect adjoining tees, pipes, and clamps for wear before installing the replacement hose.

• Fits 2008 Infiniti G35, Heater To Tee (Aug. 1, 2006 thru Apr. 30, 2007; Molded Heater Hose)
• Fits 2007 Infiniti G35, Heater To Tee (Molded Heater Hose)
• Fits 1999-2001 Volkswagen Golf, Heater To Tee-2 (Molded Heater Hose)
• Fits 1999-2001 Volkswagen Jetta, Heater To Tee-2 (Molded Heater Hose)
• Fits 1993-1997 Nissan Altima, Pipe-1 To Tee (Molded Heater Hose)

Quality Assurance

Gates manufactures this molded heater hose as an OE-style replacement part with application-specific shaping and material selection for HVAC and coolant service.