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Dayco 86801 HVAC Heater Hose
Overview of Dayco Small I.D. Heater Hose 86801
The Dayco Small I.D. Heater Hose 86801 is designed for reliable HVAC system performance in a range of vehicles including Acura, Honda, Toyota, and Nissan models. Constructed from durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.
- Material: EPDM for heat and chemical resistance
- Color: Black
- Inside Diameter: 5/16 inch on both ends
- Hose Type: Single I.D. hose
- Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
- Trunk Height: 12 1/2 inches
- Compatible with multiple makes and models including Toyota Camry, Honda Accord, Nissan Sentra, and more
Dayco Small I.D. Heater Hose Product Line Details
The Small I.D. Heater Hose line by Dayco focuses on providing precise fitment and durability for HVAC applications requiring smaller inside diameter hoses. This product line is engineered to meet strict SAE specifications, ensuring compatibility and performance in various passenger vehicles. The 86801 part number represents a single I.D. hose option within this line, suitable for multiple popular models.
Detailed Product Description
This HVAC heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for heater core connections. Both ends have a 5/16 inch inside diameter, providing a consistent flow path for coolant within the HVAC system. The hose does not include a heat shield or protective sleeve, which is typical for applications where additional protection is not required. Its compliance with SAE J20R3 Class D-1 and SAE J1684 Type EC standards confirms its suitability for automotive heating systems.
Common Uses and Problem Solving
- Replacement of worn or cracked heater hoses in Acura Legend and Honda Prelude HVAC systems
- Resolving coolant leaks in Toyota 4Runner and Nissan Pathfinder heater core lines
- Maintaining proper coolant flow in Mazda RX-7 and Lexus ES300 heating circuits
- Addressing heater hose failures in Mitsubishi Diamante and Kia Amanti vehicles
- Ensuring HVAC system integrity in Dodge T100 and Toyota Camry models
Installation Notes and Tips
- Verify hose inside diameter matches vehicle specifications (5/16 inch for both ends)
- Inspect surrounding components for wear or damage before installation
- Ensure clamps are properly tightened to prevent leaks without damaging the hose
- Replace hoses in pairs when possible to maintain system balance
- Check for proper routing to avoid kinks or contact with hot engine parts
Quality Assurance and Warranty
Dayco manufactures the Small I.D. Heater Hose 86801 to meet SAE automotive standards, ensuring reliable performance in HVAC systems. The EPDM material provides durability against heat and chemical exposure typical in engine compartments. While specific warranty details are not provided, Dayco products generally adhere to industry quality controls and are backed by the brand's commitment to automotive component standards.
| Brand | Dayco |
| Part Number | 86801 |
| Position | Small I.D. Heater Hose, Throttle Body To Thermostat |
| 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 | 12 1/2 |
This part fits 70 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Kia | Amanti | Throttle Body To Thermostat | Small I.D. Heater Hose | ||
| 2004 | Kia | Amanti | Throttle Body To Thermostat | Small I.D. Heater Hose | ||
| 2002 | Toyota | 4Runner | Pipe To Throttle Body | Small I.D. Heater Hose | ||
| 2001 | Toyota | 4Runner | Pipe To Throttle Body | Small I.D. Heater Hose | ||
| 2000 | Acura | RL | N/A | Small I.D. Heater Hose | ||
| 1999 | Acura | RL | N/A | Small I.D. Heater Hose | ||
| 1998 | Acura | RL | N/A | Small I.D. Heater Hose | ||
| 1998 | Acura | TL | 3.2L | V6 | N/A | Small I.D. Heater Hose |
| 1998 | Toyota | T100 | 3.4L | V6 | Pipe To Throttle Body | Small I.D. Heater Hose |
| 1997 | Acura | RL | N/A | Small I.D. Heater Hose | ||
| 1997 | Acura | TL | 3.2L | V6 | N/A | Small I.D. Heater Hose |
| 1997 | Toyota | T100 | 3.4L | V6 | Pipe To Throttle Body | Small I.D. Heater Hose |
| 1996 | Acura | RL | N/A | Small I.D. Heater Hose | ||
| 1996 | Acura | TL | 3.2L | V6 | N/A | Small I.D. Heater Hose |
| 1996 | Toyota | T100 | 3.4L | V6 | Pipe To Throttle Body | Small I.D. Heater Hose |
| 1995 | Acura | Legend | N/A | Small I.D. Heater Hose | ||
| 1995 | Nissan | Pathfinder | Throttle Body To Intake Manifold | Small I.D. Heater Hose | ||
| 1995 | Toyota | 4Runner | 2.4L | L4 | Pipe To Engine | Small I.D. Heater Hose |
| 1995 | Toyota | Pickup | 2.4L | L4 | Pipe To Engine | Small I.D. Heater Hose |
| 1994 | Acura | Legend | N/A | Small I.D. Heater Hose | ||
| 1994 | Nissan | Sentra | 1.6L | L4 | Throttle Body To Valve | Small I.D. Heater Hose |
| 1994 | Toyota | 4Runner | 3.0L | V6 | Pipe To Engine | Small I.D. Heater Hose |
| 1994 | Toyota | 4Runner | 2.4L | L4 | Pipe To Engine | Small I.D. Heater Hose |
| 1994 | Toyota | Pickup | 3.0L | V6 | Pipe To Engine | Small I.D. Heater Hose |
| 1994 | Toyota | T100 | 3.0L | V6 | Pipe-4 To Engine | Small I.D. Heater Hose |
| 1993 | Acura | Integra | 1.8L | L4 | Pipe To Intake Manifold | Small I.D. Heater Hose |
| 1993 | Dodge | Stealth | N/A | Small I.D. Heater Hose | ||
| 1993 | Honda | Accord | Valve To Thermostat | Small I.D. Heater Hose | ||
| 1993 | Lexus | ES300 | N/A | Small I.D. Heater Hose | ||
| 1993 | Mitsubishi | Diamante | Pipe To Throttle Body | Small I.D. Heater Hose | ||
| 1993 | Mitsubishi | Diamante | N/A | Small I.D. Heater Hose | ||
| 1993 | Nissan | NX | 1.6L | L4 | Throttle Body To Valve | Small I.D. Heater Hose |
| 1993 | Nissan | Sentra | 1.6L | L4 | Throttle Body To Valve | Small I.D. Heater Hose |
| 1993 | Toyota | 4Runner | 3.0L | V6 | Pipe To Engine | Small I.D. Heater Hose |
| 1993 | Toyota | 4Runner | 2.4L | L4 | Pipe To Engine | Small I.D. Heater Hose |
| 1993 | Toyota | Camry | 3.0L | V6 | N/A | Small I.D. Heater Hose |
| 1993 | Toyota | Pickup | 3.0L | V6 | Pipe To Engine | Small I.D. Heater Hose |
| 1993 | Toyota | Pickup | 2.4L | L4 | Pipe To Engine | Small I.D. Heater Hose |
| 1993 | Toyota | T100 | Pipe-4 To Engine | Small I.D. Heater Hose | ||
| 1992 | Acura | Integra | 1.8L | L4 | Intake Manifold To Pipe | Small I.D. Heater Hose |
| 1992 | Honda | Accord | Valve To Thermostat | Small I.D. Heater Hose | ||
| 1992 | Lexus | ES300 | N/A | Small I.D. Heater Hose | ||
| 1992 | Mitsubishi | Diamante | Pipe To Throttle Body | Small I.D. Heater Hose | ||
| 1992 | Nissan | NX | 1.6L | L4 | Throttle Body To Valve | Small I.D. Heater Hose |
| 1992 | Nissan | Sentra | 1.6L | L4 | Throttle Body To Valve | Small I.D. Heater Hose |
| 1992 | Toyota | 4Runner | 2.4L | L4 | Pipe To Engine | Small I.D. Heater Hose |
| 1992 | Toyota | Camry | 3.0L | V6 | N/A | Small I.D. Heater Hose |
| 1992 | Toyota | Celica | 2.0L | L4 | Pipe-1 To Pipe-2 | Small I.D. Heater Hose |
| 1992 | Toyota | MR2 | 2.0L | L4 | Pipe To Pipe | Small I.D. Heater Hose |
| 1992 | Toyota | MR2 | 2.0L | L4 | Pipe-3 To Engine | Small I.D. Heater Hose |
| 1991 | Acura | Integra | Intake Manifold To Pipe | Small I.D. Heater Hose | ||
| 1991 | Honda | Accord | Valve To Thermostat | Small I.D. Heater Hose | ||
| 1991 | Honda | Prelude | 2.0L | L4 | Pipe To Intake Manifold | Small I.D. Heater Hose |
| 1991 | Honda | Prelude | 2.1L | L4 | Pipe To Intake Manifold | Small I.D. Heater Hose |
| 1991 | Nissan | NX | 1.6L | L4 | Throttle Body To Valve | Small I.D. Heater Hose |
| 1991 | Nissan | Sentra | 1.6L | L4 | Throttle Body To Valve | Small I.D. Heater Hose |
| 1991 | Toyota | 4Runner | 2.4L | L4 | Pipe To Engine | Small I.D. Heater Hose |
| 1991 | Toyota | Celica | 2.0L | L4 | Pipe To Pipe | Small I.D. Heater Hose |
| 1991 | Toyota | MR2 | 2.0L | L4 | Pipe To Pipe | Small I.D. Heater Hose |
| 1991 | Toyota | MR2 | 2.0L | L4 | Pipe-3 To Engine | Small I.D. Heater Hose |
| 1990 | Acura | Integra | Intake Manifold To Pipe | Small I.D. Heater Hose | ||
| 1990 | Honda | Accord | Valve To Thermostat | Small I.D. Heater Hose | ||
| 1990 | Honda | Prelude | 2.0L | L4 | Pipe To Intake Manifold | Small I.D. Heater Hose |
| 1990 | Honda | Prelude | 2.1L | L4 | Pipe To Intake Manifold | Small I.D. Heater Hose |
| 1990 | Toyota | Celica | 2.0L | L4 | Pipe To Pipe | Small I.D. Heater Hose |
| 1989 | Honda | Prelude | Pipe To Intake Manifold | Small I.D. Heater Hose | ||
| 1988 | Honda | Prelude | Pipe To Intake Manifold | Small I.D. Heater Hose | ||
| 1988 | Mazda | RX-7 | Throttle Body To Engine | Small I.D. Heater Hose | ||
| 1987 | Mazda | RX-7 | Throttle Body To Engine | Small I.D. Heater Hose | ||
| 1986 | Mazda | RX-7 | Throttle Body To Engine | 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.