Gates 19159 HVAC Heater Hose - Intake Manifold To Heater

Gates Molded Heater Hose for Toyota Tundra

The Gates 19159 molded heater hose is built for tight engine bays where a factory-shaped coolant hose is needed. It follows an OEM-style molded profile and is made from EPDM for coolant, water, and air service, with marine application approval.

For 2000-2004 Toyota Tundra models, this molded heater hose connects the intake manifold to the heater circuit and matches the small I.D. routing used in compact engine compartments. The Gates Molded Heater Hose line is focused on factory-fit replacement hoses shaped for modern underhood packaging.

Key Features

• Gates part number 19159
• OEM-style molded heater hose for precise routing
• EPDM construction for coolant, water, and air applications
• Small inside diameters: 16 mm (.63 in) and 24 mm (.94 in)
• Centerline length: 439 mm (17.3 in)
• Approved for marine applications
• Fits the intake manifold to heater position on Toyota Tundra

Detailed Description

Gates 19159 is a molded coolant hose designed to replace a factory-shaped heater hose in applications with limited clearance. Its EPDM material supports heat and fluid exposure in the cooling system, while the molded form helps maintain the correct hose path in tighter engine compartments. This part cross-references BBB Industries 19159 for the same application.

Fits 2000-2004 Toyota Tundra, Intake Manifold To Heater. If you are searching for a molded heater hose for Toyota Tundra 2000-2004 or a Gates 19159 replacement hose, this part matches the listed position and dimensions for that application.

Common Problems It Can Address

• Cracked or hardened heater hose material
• Coolant leaks at a worn molded hose section
• Poor hose routing in a tight engine compartment
• Incorrect fit from a universal straight hose
• Heat-related hose collapse or deformation

Installation Notes and Tips

Verify the hose routing, end diameters, and centerline length before installation. Confirm the intake manifold to heater routing on your Toyota Tundra and inspect adjoining clamps, fittings, and coolant connections for wear before reassembly. Drain coolant as needed and follow the vehicle service procedure for refilling and bleeding the cooling system.

Quality Assurance

Gates manufactures molded coolant and heater hoses to OE-style dimensions for service replacement use. Part number 19159 is built from EPDM and shaped for the listed Toyota Tundra application.