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Dayco 86105 HVAC Heater Hose - Heater Inlet, Heater Outlet or Heater To Pipe
Overview of Dayco Small I.D. Heater Hose 86105
The Dayco Small I.D. Heater Hose 86105 is designed for reliable HVAC system performance in select Audi, Chevrolet, Pontiac, and Toyota vehicles. Engineered with durable EPDM material, this dual inside diameter hose ensures efficient coolant flow and heat transfer for models like the Audi A6, Chevrolet Cavalier, and Toyota Celica.
- Constructed from high-quality EPDM for heat and chemical resistance
- Dual inside diameters: 5/8 inch and 23/32 inch for versatile fitment
- Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
- Black color for standard OEM appearance
- Trunk height of 7 inches for proper routing and clearance
Detailed Product Description
The Dayco Small I.D. Heater Hose 86105 is a dual inside diameter hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. This hose features two different inside diameters—5/8 inch on one end and 23/32 inch on the other—allowing it to connect various HVAC components securely. It does not include a heat shield or protective sleeve, making it suitable for applications where additional shielding is not required. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses in automotive HVAC systems.
About the Small I.D. Heater Hose Product Line
The Small I.D. Heater Hose line by Dayco focuses on providing hoses with smaller inside diameters tailored for specific HVAC applications. This product line is engineered to meet precise fitment needs in vehicles requiring dual inside diameter hoses, such as the 86105 part number. These hoses are designed to maintain system integrity and durability under typical operating conditions found in passenger vehicles.
Compatible Vehicles and Common Applications
- Audi A6 and A6 Quattro HVAC heater hose replacement
- Chevrolet Cavalier and Corsica heater hose repair
- Pontiac Sunbird heater hose maintenance
- Toyota Celica heater hose replacement
Installation Notes and Tips
- Verify hose inside diameters match the vehicle’s HVAC connections before installation
- Ensure clamps are properly tightened to prevent leaks without damaging the hose
- Inspect surrounding components for wear or damage during replacement
- Route the hose to avoid contact with sharp edges or moving parts
Quality Assurance and Warranty
Dayco manufactures the Small I.D. Heater Hose 86105 to meet strict SAE specifications, ensuring reliable performance in HVAC systems. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and quality. Users should consult vehicle service manuals and Dayco documentation for additional warranty information.
| Brand | Dayco |
| Part Number | 86105 |
| Position | Small I.D. Heater Hose, Heater Inlet |
| Color | Black |
| End 1 Inside Diameter | 5/8 |
| End 2 Inside Diameter | 23/32 |
| Hose Type | Dual I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R3 Class D-1, SAE J1684 Type EC |
| Trunk Height | 7 |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Audi | A6 | 3.2L | V6 | Heater Inlet | Small I.D. Heater Hose |
| 2008 | Audi | A6 | 3.2L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 2008 | Audi | A6 Quattro | 3.2L | V6 | Heater Inlet | Small I.D. Heater Hose |
| 2008 | Audi | A6 Quattro | 3.2L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 2007 | Audi | A6 | Heater Inlet | Small I.D. Heater Hose | ||
| 2007 | Audi | A6 | Heater Outlet | Small I.D. Heater Hose | ||
| 2007 | Audi | A6 Quattro | 3.2L | V6 | Heater Inlet | Small I.D. Heater Hose |
| 2007 | Audi | A6 Quattro | 3.2L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 2006 | Audi | A6 | 3.2L | V6 | Heater Inlet | Small I.D. Heater Hose |
| 2006 | Audi | A6 | 3.2L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 2006 | Audi | A6 Quattro | 3.2L | V6 | Heater Inlet | Small I.D. Heater Hose |
| 2006 | Audi | A6 Quattro | 3.2L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 2005 | Audi | A6 Quattro | 3.2L | V6 | Heater Inlet | Small I.D. Heater Hose |
| 2005 | Audi | A6 Quattro | 3.2L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 2005 | Toyota | Celica | 1.8L | L4 | Heater To Pipe | Small I.D. Heater Hose |
| 2004 | Toyota | Celica | 1.8L | L4 | Heater To Pipe | Small I.D. Heater Hose |
| 2003 | Toyota | Celica | 1.8L | L4 | Heater To Pipe | Small I.D. Heater Hose |
| 2001 | Toyota | Celica | 1.8L | L4 | Heater To Pipe | Small I.D. Heater Hose |
| 2000 | Toyota | Celica | 1.8L | L4 | Heater Outlet | Small I.D. Heater Hose |
| 1994 | Chevrolet | Cavalier | 3.1L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 1994 | Pontiac | Sunbird | 3.1L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 1993 | Chevrolet | Cavalier | 3.1L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 1993 | Chevrolet | Corsica | 3.1L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 1993 | Pontiac | Sunbird | 3.1L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 1992 | Chevrolet | Cavalier | 3.1L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 1992 | Chevrolet | Corsica | 3.1L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 1992 | Pontiac | Sunbird | 3.1L | V6 | Heater Outlet | Small I.D. Heater Hose |
| 1991 | Chevrolet | Corsica | 3.1L | V6 | Heater Outlet | Small I.D. Heater Hose |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.