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Dayco 86122 HVAC Heater Hose - Connector To Pipe or Valve To Engine
Overview of Dayco Small I.D. Heater Hose 86122
The Dayco Small I.D. Heater Hose 86122 is designed for reliable HVAC system performance in select Acura, Honda, Scion, and Toyota vehicles. 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 5/8 inch ID on both ends
- Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
- Trunk height of 13 1/2 inches for precise fitment
- Compatible with Acura, Honda, Scion, and Toyota models including Accord, CR-V, CL, FR-S, and 86
Dayco Small I.D. Heater Hose Product Line Details
The Small I.D. Heater Hose line by Dayco focuses on single inside diameter hoses designed specifically for HVAC applications. This product line emphasizes compliance with SAE standards to ensure durability and proper fitment in vehicle heating systems. The 86122 hose is part of this line, providing a reliable replacement option for small diameter heater hoses in various Japanese domestic market vehicles.
Product Description and Specifications
The Dayco 86122 heater hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have a 5/8 inch inside diameter, making it suitable for HVAC heater core connections requiring this size. The hose does not include a heat shield or protective sleeve, which is typical for this type of single I.D. hose. It meets SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it adheres to industry requirements for heater hoses. The trunk height of 13 1/2 inches allows for proper routing within the engine bay of compatible vehicles.
Applications and Common Issues Addressed
- Replacement of worn or cracked heater hoses in Acura, Honda, Scion, and Toyota vehicles
- Resolving coolant leaks in the HVAC heater core circuit
- Preventing overheating caused by compromised heater hose integrity
- Maintaining proper cabin heating performance
- Addressing hose swelling or softening due to age or chemical exposure
Installation Notes and Tips
- Verify hose length and diameter compatibility with your specific vehicle model before installation
- Ensure all clamps are securely tightened to prevent leaks
- Inspect surrounding components for wear or damage during replacement
- Flush the cooling system if contamination or debris is present
- Use proper safety equipment and allow the engine to cool before servicing
Quality Assurance and Warranty
Dayco manufactures the Small I.D. Heater Hose 86122 to meet stringent SAE specifications, ensuring durability and performance in HVAC applications. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. It is recommended to consult the product packaging or manufacturer for warranty information.
| Brand | Dayco |
|---|---|
| Part Number | 86122 |
| Position | Small I.D. Heater Hose, Connector To Pipe |
| Color | Black |
| End 1 Inside Diameter | 5/8 |
| End 2 Inside Diameter | 5/8 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R3 Class D-1, SAE J1684 Type EC |
| Trunk Height | 13 1/2 |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2026 | Toyota | GR86 | Connector To Pipe | Small I.D. Heater Hose | ||
| 2025 | Toyota | GR86 | Connector To Pipe | Small I.D. Heater Hose | ||
| 2024 | Toyota | GR86 | Connector To Pipe | Small I.D. Heater Hose | ||
| 2023 | Toyota | GR86 | Connector To Pipe | Small I.D. Heater Hose | ||
| 2022 | Toyota | GR86 | Connector To Pipe | Small I.D. Heater Hose | ||
| 2020 | Toyota | 86 | Connector To Pipe | Small I.D. Heater Hose | ||
| 2019 | Toyota | 86 | Connector To Pipe | Small I.D. Heater Hose | ||
| 2018 | Toyota | 86 | Connector To Pipe | Small I.D. Heater Hose | ||
| 2017 | Toyota | 86 | Connector To Pipe | Small I.D. Heater Hose | ||
| 2016 | Scion | FR-S | Connector To Pipe | Small I.D. Heater Hose | ||
| 2015 | Scion | FR-S | Connector To Pipe | Small I.D. Heater Hose | ||
| 2014 | Scion | FR-S | Connector To Pipe | Small I.D. Heater Hose | ||
| 2013 | Scion | FR-S | Connector To Pipe | Small I.D. Heater Hose | ||
| 2006 | Honda | CR-V | Valve To Engine | Small I.D. Heater Hose | ||
| 2005 | Honda | CR-V | Valve To Engine | Small I.D. Heater Hose | ||
| 2004 | Honda | CR-V | Valve To Engine | Small I.D. Heater Hose | ||
| 2003 | Honda | CR-V | Valve To Engine | Small I.D. Heater Hose | ||
| 2002 | Honda | CR-V | Valve To Engine | Small I.D. Heater Hose | ||
| 1997 | Acura | CL | 2.2L | L4 | Valve To Engine | Small I.D. Heater Hose |
| 1997 | Honda | Accord | 2.2L | L4 | Valve To Engine | Small I.D. Heater Hose |
| 1996 | Honda | Accord | 2.2L | L4 | Valve To Engine | Small I.D. Heater Hose |
| 1995 | Honda | Accord | 2.2L | L4 | Valve To Engine | Small I.D. Heater Hose |
| 1994 | Honda | Accord | Valve To Engine | Small I.D. Heater Hose | ||
| 1993 | Honda | Accord | Valve To Engine | Small I.D. Heater Hose | ||
| 1992 | Honda | Accord | Valve To Engine | Small I.D. Heater Hose | ||
| 1991 | Honda | Accord | Valve To Engine | Small I.D. Heater Hose | ||
| 1990 | Honda | Accord | Valve 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.