Gates 19796 HVAC Heater Hose

Gates 19796 Molded Heater Hose Overview

The Gates 19796 molded heater hose is an OEM-style coolant hose built for tight engine bays where a straight hose will not route correctly. With a 19 mm (0.76 in) inside diameter at both ends and a 130 mm (5.1 in) centerline length, it is sized for specific heater, coolant, water, and air routing applications.

Compatible With select INFINITI, Nissan, Pontiac, and Volkswagen applications, this molded heater hose supports factory-style routing in compact spaces. The Gates Molded Heater Hose line is made for vehicles that need a formed hose shape to maintain proper clearance and connection alignment.

Key Features

• Gates part number 19796
• Factory-molded, OE-style hose shape for tight engine compartments
• EPDM construction for heater and coolant service
• 19 mm (0.76 in) inside diameter at both ends
• 130 mm (5.1 in) centerline length
• Suitable for coolant, water, and air applications
• Approved for marine applications

Product Details

The Gates Molded Heater Hose product line is designed for vehicles that require a formed hose to follow the original routing path. Part number 19796 is a molded EPDM hose with equal end diameters and a compact centerline length, making it a direct-fit style solution for heater inlet, heater-to-pipe, heater-to-connector, and related HVAC hose locations. This part cross-references Dayco 88473 for the same application.

Vehicle coverage includes applications such as the 2014-2017 INFINITI QX50 heater inlet, 2009-2017 Nissan 370Z heater to tee (inlet), and 2003-2006 INFINITI G35 connector to heater. It also appears in select INFINITI Q50, Q70, Q70L, Q60, Q40, EX35, EX37, FX35, FX70, G25, G37, M35, M35h, M37, and Volkswagen Golf and Jetta applications.

Common Problems This Hose Can Address

• Cracked or hardened heater hose material
• Coolant leaks at a molded hose section
• Poor hose routing in a tight engine compartment
• Restricted heater circuit flow from a damaged hose
• Incorrect fitment from using a straight hose in a formed application

Installation Notes and Tips

Verify the hose shape, end diameters, and centerline length against the original part before installation. Confirm the routing path and connection points on the vehicle, especially on INFINITI Q50, Q70, and Nissan 370Z heater hose locations where molded geometry is critical. Inspect adjoining pipes, tees, and connectors for wear or corrosion before installing Gates 19796.

Quality Assurance

Gates manufactures this molded heater hose as an OE-style replacement built to match factory routing requirements. The EPDM construction and molded design support consistent fitment in heater and coolant service applications.