Gates 18130 HVAC Heater Hose - Radiator To Reservoir or Radiator To Throttle Body

Gates Molded Heater Hose 18130 Overview

The Gates Molded Heater Hose 18130 is a factory-molded, OEM-style coolant hose built for tight engine bays and small-diameter routing. Made from EPDM, it is specified for coolant, water, and air service, and it is also approved for marine applications.

This molded heater hose supports direct-fit routing for select Hummer H2 and Suzuki Verona applications, including radiator to throttle body and radiator to reservoir locations. If you need a formed hose for a compact engine compartment, Gates 18130 provides the correct shape and small inside diameters for the job.

Key Features

• Brand: Gates Molded Heater Hose
• Part number: 18130
• EPDM construction for coolant, water, and air service
• Factory-molded, OEM-style shape for tighter engine compartments
• Small inside diameters: 6 mm (.25 in) and 8 mm (.31 in)
• Centerline length: 787 mm (31 in)
• Approved for marine applications
• Compatible with radiator-to-throttle-body and radiator-to-reservoir routing

Product Details

Gates Molded Heater Hose 18130 is part of the Gates Molded Heater Hose line, which focuses on formed coolant hose routing for modern vehicles with limited underhood space. The molded construction helps match the original hose path, while the EPDM material is suited for heat and fluid exposure in HVAC and cooling-system service. This part number 18130 is a practical replacement for vehicles that require a small I.D. molded hose with a 31-inch centerline length.

Fits 2003-2007 Hummer H2, radiator to throttle body. Fits 2004-2006 Suzuki Verona, radiator to reservoir. This part cross-references Anchor 10130 for the same application.

Common Repair Uses

• Cracked or hardened heater hose replacement
• Coolant leaks at a molded hose section
• Incorrect hose routing in a tight engine compartment
• Degraded hose flexibility from heat and age
• Restoring proper radiator-to-throttle-body or radiator-to-reservoir flow

Installation Notes

Verify hose routing, end diameters, and centerline length before installation. Confirm the vehicle’s original hose path matches the molded shape of Gates 18130, especially on Hummer H2 and Suzuki Verona applications. Inspect adjoining fittings and clamps for wear, and replace any damaged sealing surfaces before installing the new hose.

Quality Assurance

Gates is known for OE-style hose construction and application-specific fitment. This molded heater hose is built to match factory routing requirements and material expectations for coolant-system service.