Dayco 88515 HVAC Heater Hose - Heater Hose

Dayco Small I.D. Heater Hose for Audi and Volkswagen

Dayco Part Number 88515 is a branched HVAC heater hose built for select Audi and Volkswagen applications that use a small inside diameter inlet/outlet hose assembly. Made from EPDM and finished in black, it includes a protective sleeve for added abrasion resistance in the engine bay.

Compatible With 2000-2006 Audi TT, Heater Hose; 2000-2001 Audi TT Quattro, Heater Hose; 2000-2005 Volkswagen Jetta, Heater Hose; 2001 Volkswagen Golf, Heater Hose; and 2006 Volkswagen Golf, Heater Hose. This Dayco Small I.D. Heater Hose line is engineered for direct-fit heater hose routing in vehicles that require a branched hose layout.

Key Features

• Brand: Dayco
• Part Number: 88515
• Small I.D. branched heater hose design
• EPDM construction for HVAC coolant service
• Black finish for OE-style appearance
• Protective sleeve included
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height: 20 1/2 in.

Product Details

Dayco 88515 is a Small I.D. Heater Hose designed for heater hose assembly inlet/outlet routing on select Audi TT, Audi TT Quattro, Volkswagen Jetta, and Volkswagen Golf models. The EPDM hose material is suited for coolant transfer in HVAC systems, while the branched hose configuration supports the factory-style hose path used in these applications. The protective sleeve adds an extra layer between the hose and surrounding components where contact or wear can occur.

This part cross-references no listed alternate part numbers in the provided data. For buyers searching by vehicle, Dayco 88515 is a direct reference point for Audi TT heater hose replacement and Volkswagen Jetta heater hose replacement applications.

Common Problems This Hose Can Address

• Cracked or deteriorated heater hose material
• Coolant seepage at the heater hose assembly
• Restricted heater coolant flow from a damaged hose
• Wear from hose contact in tight engine-bay routing
• Replacement needs for a branched inlet/outlet heater hose assembly

Installation Notes and Tips

Verify the hose routing, end diameters, and branched layout against the original part before installation. Confirm the vehicle application by year, make, and model, especially on 2000-2006 Audi TT, 2000-2001 Audi TT Quattro, 2000-2005 Volkswagen Jetta, and 2001 or 2006 Volkswagen Golf heater hose applications. Inspect adjoining clamps, fittings, and coolant passages for wear or contamination before reassembly.

Quality Assurance

Dayco manufactures this heater hose to SAE J20R3 Class D-1 and SAE J1684 Type EC specifications, supporting consistent material and dimensional requirements for HVAC hose service.