Gates 18830 HVAC Heater Hose - Heater To Tee, Pipe-2 To Pipe-3 or Tee To Water Pump

Gates 18830 Molded Heater Hose Overview

The Gates 18830 molded heater hose is an OEM-style coolant hose built for tight engine bays and factory routing. It uses EPDM construction and a factory-molded shape to match the original path on select Ford and Mitsubishi applications.

Compatible With Ford Bronco, Ford E-150 Econoline, Ford F-150, and related models where a small I.D. molded heater hose is specified, this hose supports coolant, water, and air transfer. It is also approved for marine applications.

Key Features

• Brand: Gates Molded Heater Hose
• Part number: 18830
• EPDM rubber construction for coolant-system service
• Factory-molded shape for tighter engine compartments
• Small inside diameter: 0.62 in. (16 mm) at both ends
• Centerline length: 15.7 in. (399 mm)
• Used in coolant, water, and air applications
• Approved for marine applications

Product Details

The Gates Molded Heater Hose line focuses on OE-style routing and fitment for vehicles with compact underhood packaging. This molded design helps maintain the original hose path on applications such as the Ford Bronco, Ford F-150, and Ford E-Series vans, where the hose routes to the water pump or heater tee. Gates 18830 is a direct-fit style replacement for select 1987-1992 Ford trucks and vans, plus 1987-1990 Mitsubishi Van applications listed in the fitment data. This part cross-references Dayco 87679 and Continental 63076 for the same application.

Common Problems It Can Address

• Cracked or hardened heater hose material
• Incorrect hose routing in tight engine compartments
• Coolant leaks at a worn molded hose section
• Heat-related hose collapse or deformation
• Replacement needs on Ford Bronco, Ford F-150, and Ford E-Series heater circuits

Installation Notes and Tips

• Verify end inside diameter and centerline length before installation.
• Match the molded shape to the original routing point: tee to water pump, heater to tee, or pipe-to-pipe routing as listed.
• Inspect clamps, adjoining pipes, and the water pump neck for wear before installing the new hose.
• Confirm emission-system notes on the vehicle application, especially for 1989-1992 Ford listings.
• Drain coolant safely and refill the system to the manufacturer’s specification after installation.

Quality Assurance

Gates manufactures this hose as an OE-style molded replacement using EPDM material and factory-molded dimensions for the listed applications. The design is intended to match original routing requirements on select Ford and Mitsubishi vehicles while meeting service needs for coolant, water, air, and marine use.