Gates 18273 HVAC Heater Hose - Pipe-2 To Turbocharger or Turbocharger To Pipe

Gates Molded Heater Hose 18273 Overview

The Gates 18273 molded heater hose is an OEM-style coolant hose built for tight engine bays where a formed routing path matters. It is made from EPDM and is approved for coolant, water, air, and marine applications.

This Gates Molded Heater Hose line focuses on factory-shaped replacement hoses for modern vehicles with compact packaging. The molded design helps match original routing on applications such as Audi A4, Audi A4 Quattro, and Volkswagen Passat turbocharger-to-pipe connections.

Key Features

• Factory-molded, OE-style hose shape
• EPDM construction for coolant, water, and air service
• Approved for marine applications
• End I.D.: 0.3 in. / 8 mm
• Centerline length: 22.2 in. / 564 mm
• Molded configuration for tighter engine compartments

Detailed Product Description

Gates part number 18273 is a molded HVAC heater hose engineered for vehicles that use a formed hose path between the turbocharger and pipe. The 22.2-inch centerline length and 8 mm end inside diameter support precise routing in compact layouts, while the EPDM material provides the durability expected in coolant and heater hose service. For buyers searching for a molded heater hose for 1997-2003 Audi A4, 1997-2003 Audi A4 Quattro, or 1998-2003 Volkswagen Passat turbocharger to pipe applications, this hose matches the OE-style form factor used in those systems. The Gates 18273 molded coolant hose is also a direct reference point for replacement searches tied to the same application.

This part cross-references Bosch 18273 for the same application.

Common Problems This Hose Can Address

• Cracked or hardened molded heater hose material
• Coolant leaks at a formed hose section
• Incorrect hose routing in a tight engine compartment
• Heat-related hose deterioration near turbocharger plumbing
• Replacement needs for a damaged OE-style coolant hose

Installation Notes and Tips

Verify the hose routing, end diameter, and centerline length against the original part before installation. Confirm the vehicle position and connection points for the turbocharger-to-pipe or pipe-2-to-turbocharger layout on the specific Audi A4, Audi A4 Quattro, or Volkswagen Passat application. Inspect adjoining pipes and clamps for wear, corrosion, or residue before installing the new hose.

Quality Assurance

Gates manufactures this molded heater hose as an OE-style replacement with factory-shaped construction for accurate fitment in compact engine compartments. The EPDM material and molded design support consistent service in coolant, water, air, and marine applications.