Gates 18725 HVAC Heater Hose - Pipe-1 To Engine, Pipe-2 To Engine or Tee-2 To Auxiliary Heater

Gates Molded Heater Hose 18725

Gates 18725 is a factory-molded heater hose built for tight engine bays where a straight hose will not route correctly. Made from EPDM, it is shaped for OEM-style fitment and is suitable for coolant, water, and air service, with marine application approval.

Key Features

• Factory-molded design for precise routing in compact engine compartments
• EPDM construction for heater and coolant service
• Small I.D. hose with 16 mm and 19 mm end sizes
• 10.1 in. centerline length for controlled hose routing
• Approved for coolant, water, air, and marine applications
• Gates molded heater hose line for OE-style replacement needs

Product Details

This Gates molded heater hose is built around OEM-style geometry to match the routing demands of modern vehicles and older applications alike. The 18725 part number is listed for Toyota Sequoia tee-2 to auxiliary heater applications, including 2008-2021 Toyota Sequoia and 2022 Toyota Sequoia notes, as well as Ford Taurus pipe-to-engine applications from 1989-1995. If you are searching for a molded heater hose for Toyota Sequoia or Ford Taurus cooling system service, Gates 18725 provides the correct molded shape and size profile for those listed positions.

This part cross-references CSF 10725 for the same application.

What It Helps Address

• Coolant hose routing problems in tight engine compartments
• Replacement needs for cracked or aging heater hose sections
• Improper fit from universal straight hose sections
• Service on heater circuit connections at tee or pipe locations
• Restoration of molded hose shape in Toyota Sequoia and Ford Taurus applications

Installation Notes

Verify end diameters, centerline length, and molded shape against the original hose before installation. Confirm the listed position for your vehicle, including Tee-2 to Auxiliary Heater and Pipe-1 or Pipe-2 to Engine applications. For 2022 Toyota Sequoia, the fitment note specifies cut-to-fit use; follow the vehicle service procedure and inspect adjoining clamps, pipes, and heater fittings before reassembly.

Quality Assurance

Gates manufactures this molded heater hose as an OEM-style replacement in EPDM for dependable routing and material consistency. Part number 18725 is built to the dimensional and application requirements shown in the fitment data.