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Dayco 86806 HVAC Heater Hose
Overview of Dayco Small I.D. Heater Hose 86806
The Dayco Small I.D. Heater Hose 86806 is designed for reliable HVAC system performance in various vehicle models. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.
- Constructed from high-quality EPDM for heat and chemical resistance
- Black single inside diameter hose with 5/16 inch ID on both ends
- Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
- Compatible with multiple makes including Acura, Chevrolet, Honda, Mazda, Nissan, and Subaru
- Designed without heat shield or protective sleeve for straightforward installation
Detailed Product Description
The Dayco Small I.D. Heater Hose 86806 is a single inside diameter hose measuring 5/16 inch on both ends, constructed from EPDM (ethylene propylene diene monomer) rubber. This material offers excellent resistance to heat, ozone, and automotive fluids, making it suitable for HVAC heater core connections. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for durability and performance. Its black color and 7-inch trunk height provide a clean, functional fit within the engine bay.
The Small I.D. Heater Hose product line from Dayco focuses on delivering precise fitment and reliable HVAC hose solutions for a range of vehicles. This line is engineered to maintain heater core efficiency and prevent leaks or hose degradation over time, supporting consistent cabin heating performance.
Compatible Vehicles and Applications
- Compatible with Acura models such as Legend and Integra
- Fits Chevrolet Camaro and B2200 models
- Suitable for Honda Accord, Civic, and Prelude
- Works with Mazda B2200 and Nissan Maxima
- Also compatible with Subaru Legacy
Common Issues Addressed by Dayco 86806 Heater Hose
- Prevents coolant leaks in HVAC heater core connections
- Resists cracking and hardening caused by heat exposure
- Maintains proper coolant flow for effective cabin heating
- Replaces worn or damaged OEM heater hoses
- Helps avoid HVAC system overheating and related malfunctions
Installation Notes and Tips
- Ensure both hose ends measure 5/16 inch inside diameter for proper fit
- Inspect hose routing to avoid contact with sharp edges or moving parts
- Use appropriate clamps to secure hose connections firmly
- Check for leaks after installation and during initial engine operation
- Replace hoses in pairs when possible to maintain system balance
Quality Assurance and Warranty
Dayco manufactures the Small I.D. Heater Hose 86806 to meet strict SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability in automotive HVAC applications.
| Brand | Dayco |
| Part Number | 86806 |
| Position | Small I.D. Heater Hose, Throttle Body To Engine |
| Color | Black |
| End 1 Inside Diameter | 5/16 |
| End 2 Inside Diameter | 5/16 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R3 Class D-1, SAE J1684 Type EC |
| Trunk Height | 7 |
This part fits 52 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1995 | Chevrolet | Camaro | 3.4L | V6 | Throttle Body To Engine | Small I.D. Heater Hose | |
| 1994 | Chevrolet | Camaro | 3.4L | V6 | Throttle Body To Engine | Small I.D. Heater Hose | |
| 1994 | Nissan | Maxima | Pipe To Intake Manifold | Small I.D. Heater Hose | |||
| 1994 | Subaru | Legacy | Reservoir To Pipe | Small I.D. Heater Hose | |||
| 1993 | Chevrolet | Camaro | 3.4L | V6 | Throttle Body To Engine | Small I.D. Heater Hose | |
| 1993 | Mazda | B2200 | N/A | Small I.D. Heater Hose | |||
| 1993 | Nissan | Maxima | Pipe To Intake Manifold | Small I.D. Heater Hose | |||
| 1993 | Subaru | Legacy | Reservoir To Pipe | Small I.D. Heater Hose | |||
| 1992 | Mazda | B2200 | N/A | Small I.D. Heater Hose | |||
| 1992 | Nissan | Maxima | Pipe To Intake Manifold | Small I.D. Heater Hose | |||
| 1992 | Subaru | Legacy | Reservoir To Pipe | Small I.D. Heater Hose | |||
| 1991 | Mazda | B2200 | N/A | Small I.D. Heater Hose | |||
| 1991 | Subaru | Legacy | Reservoir To Pipe | Small I.D. Heater Hose | |||
| 1990 | Acura | Legend | Throttle Body To Pipe | Small I.D. Heater Hose | |||
| 1990 | Mazda | B2200 | N/A | Small I.D. Heater Hose | |||
| 1989 | Acura | Integra | Throttle Body To Pipe | Small I.D. Heater Hose | |||
| 1989 | Acura | Integra | Valve To Intake Manifold | Small I.D. Heater Hose | |||
| 1989 | Acura | Integra | Oil Cooler To Engine | Small I.D. Heater Hose | |||
| 1989 | Acura | Legend | Pipe To Tee | Small I.D. Heater Hose | |||
| 1989 | Acura | Legend | Throttle Body To Pipe | Small I.D. Heater Hose | |||
| 1989 | Mazda | B2200 | N/A | Small I.D. Heater Hose | |||
| 1988 | Acura | Integra | Throttle Body To Pipe | Small I.D. Heater Hose | |||
| 1988 | Acura | Integra | Valve To Intake Manifold | Small I.D. Heater Hose | |||
| 1988 | Acura | Integra | Oil Cooler To Engine | Small I.D. Heater Hose | |||
| 1988 | Acura | Legend | Pipe To Tee | Small I.D. Heater Hose | |||
| 1988 | Acura | Legend | Throttle Body To Pipe | Small I.D. Heater Hose | |||
| 1988 | Mazda | B2200 | N/A | Small I.D. Heater Hose | |||
| 1987 | Acura | Integra | Throttle Body To Intake Manifold | Small I.D. Heater Hose | |||
| 1987 | Acura | Integra | Throttle Body To Pipe | Small I.D. Heater Hose | |||
| 1987 | Acura | Integra | Valve To Intake Manifold | Small I.D. Heater Hose | |||
| 1987 | Acura | Integra | Oil Cooler To Engine | Small I.D. Heater Hose | |||
| 1987 | Acura | Legend | 2.5L | V6 | Pipe To Tee | Small I.D. Heater Hose | |
| 1987 | Acura | Legend | 2.5L | V6 | Throttle Body To Pipe | Small I.D. Heater Hose | |
| 1987 | Acura | Legend | 2.7L | V6 | Pipe To Tee | Small I.D. Heater Hose | |
| 1987 | Acura | Legend | 2.7L | V6 | Throttle Body To Pipe | Small I.D. Heater Hose | |
| 1987 | Honda | Accord | Throttle Body To Intake Manifold | Small I.D. Heater Hose | |||
| 1987 | Honda | Civic | Oil Cooler To Engine | Small I.D. Heater Hose | |||
| 1987 | Honda | Civic | 1.5L | L4 | Oil Cooler To Engine | Small I.D. Heater Hose | |
| 1987 | Honda | Prelude | 2.0L | L4 | Throttle Body To Intake Manifold | Small I.D. Heater Hose | |
| 1987 | Mazda | B2200 | N/A | Small I.D. Heater Hose | |||
| 1986 | Acura | Integra | Throttle Body To Intake Manifold | Small I.D. Heater Hose | |||
| 1986 | Acura | Integra | Throttle Body To Pipe | Small I.D. Heater Hose | |||
| 1986 | Acura | Integra | Valve To Intake Manifold | Small I.D. Heater Hose | |||
| 1986 | Acura | Integra | Oil Cooler To Engine | Small I.D. Heater Hose | |||
| 1986 | Acura | Legend | Pipe To Tee | Small I.D. Heater Hose | |||
| 1986 | Acura | Legend | Throttle Body To Pipe | Small I.D. Heater Hose | |||
| 1986 | Honda | Accord | Throttle Body To Intake Manifold | Small I.D. Heater Hose | |||
| 1986 | Honda | Civic | 1.5L | L4 | Oil Cooler To Engine | Small I.D. Heater Hose | |
| 1986 | Honda | Civic | Oil Cooler To Engine | Small I.D. Heater Hose | |||
| 1986 | Honda | Prelude | 2.0L | L4 | Throttle Body To Intake Manifold | Small I.D. Heater Hose | |
| 1985 | Honda | Civic | CRX Si | 1.5L | L4 | Oil Cooler To Engine | Small I.D. Heater Hose |
| 1985 | Honda | Prelude | 2.0L | L4 | Throttle Body To Intake Manifold | 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.