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Dayco 87685 HVAC Heater Hose
Durable HVAC Heater Hose for Acura, Honda, and Toyota Vehicles
The Dayco Small I.D. Heater Hose 87685 is designed to provide reliable performance in the heating and cooling systems of select Acura, Honda, and Toyota models. Engineered with EPDM material, this hose ensures resistance to heat and environmental factors, making it suitable for vehicles like the Honda Accord, Toyota 4Runner, and Acura EL.
- Constructed from durable EPDM material for heat and ozone 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 dimension of 15 inches for precise fitment
- Compatible with Acura, Honda, and Toyota models including 4Runner, Accord, Civic, EL, and Pickup
About the Dayco Small I.D. Heater Hose Product Line
The Small I.D. Heater Hose line by Dayco focuses on providing single inside diameter hoses designed specifically for HVAC applications. These hoses are manufactured to meet strict SAE standards, ensuring consistent quality and performance in heating systems. The 87685 part number is part of this line, offering a reliable replacement hose that fits a range of popular vehicle models.
Product Details and Specifications
This HVAC heater hose features a 5/8 inch inside diameter on both ends, making it a single I.D. hose suitable for various heating system connections. The EPDM construction offers excellent resistance to heat, ozone, and aging, which is critical for maintaining HVAC system integrity. The hose does not include a heat shield or protective sleeve, focusing on straightforward, durable design. Its 15-inch trunk height dimension ensures proper routing and fit within the engine compartment.
Common Applications and Issues Addressed
- Replacement of worn or cracked heater hoses in Acura, Honda, and Toyota vehicles
- Resolving coolant leaks within the HVAC heating system
- Maintaining proper coolant flow to the heater core
- Preventing overheating issues related to faulty heater hoses
- Ensuring HVAC system efficiency and passenger comfort
Installation Notes and Tips
When installing the Dayco Small I.D. Heater Hose 87685, ensure the hose is routed without kinks or sharp bends to maintain coolant flow. Verify that the 5/8 inch inside diameter matches the vehicle’s heater core and engine connections. Use appropriate clamps to secure the hose ends firmly. Inspect surrounding components for wear or damage during replacement to avoid future leaks.
Quality Assurance and Warranty
Dayco manufactures the Small I.D. Heater Hose 87685 to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for HVAC hoses. This part is built to provide consistent performance and durability in heating system applications. Warranty details should be confirmed with the original equipment manufacturer or distributor.
| Brand | Dayco |
| Part Number | 87685 |
| Position | Small I.D. Heater Hose, Valve To Engine, Intake Manifold To Water Pump, Water Pump To Intake Manifold, and Heater To Pipe |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 5/8 |
| End 2 Inside Diameter | 5/8 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | N |
| Hose Type | Single i.d. hose |
| SAE Specification | Sae j20r3 class d-1, sae j1684 type ec |
| Trunk Height | 15 |
This part fits 19 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1998 | Acura | EL | Valve To Engine | Small I.D. Heater Hose | ||
| 1998 | Honda | Civic | 1.6L | L4 | Valve To Engine | Small I.D. Heater Hose |
| 1997 | Acura | EL | Valve To Engine | Small I.D. Heater Hose | ||
| 1997 | Honda | Civic | 1.6L | L4 | Valve To Engine | Small I.D. Heater Hose |
| 1996 | Honda | Civic | 1.6L | L4 | Valve To Engine | Small I.D. Heater Hose |
| 1989 | Honda | Accord | Water Pump To Intake Manifold | Small I.D. Heater Hose | ||
| 1989 | Toyota | 4Runner | 2.4L | L4 | Heater To Pipe | w/Aux. Heater; Small I.D. Heater Hose |
| 1989 | Toyota | Pickup | 2.4L | L4 | Heater To Pipe | w/Aux. Heater; Small I.D. Heater Hose |
| 1988 | Honda | Accord | Intake Manifold To Water Pump | Small I.D. Heater Hose | ||
| 1988 | Toyota | 4Runner | 2.4L | L4 | Heater To Pipe | w/Aux. Heater; Small I.D. Heater Hose |
| 1988 | Toyota | Pickup | 2.4L | L4 | Heater To Pipe | w/Aux. Heater; Small I.D. Heater Hose |
| 1987 | Toyota | 4Runner | Heater To Pipe | w/Aux. Heater; Small I.D. Heater Hose | ||
| 1987 | Toyota | Pickup | 2.4L | L4 | Heater To Pipe | w/Aux. Heater; Small I.D. Heater Hose |
| 1986 | Toyota | 4Runner | Heater To Pipe | w/Aux. Heater; Small I.D. Heater Hose | ||
| 1986 | Toyota | Pickup | 2.4L | L4 | Heater To Pipe | w/Aux. Heater; Small I.D. Heater Hose |
| 1985 | Toyota | 4Runner | Heater To Pipe | w/Aux. Heater; Small I.D. Heater Hose | ||
| 1985 | Toyota | Pickup | 2.4L | L4 | Heater To Pipe | w/Aux. Heater; Small I.D. Heater Hose |
| 1984 | Toyota | 4Runner | Heater To Pipe | w/Aux. Heater; Small I.D. Heater Hose | ||
| 1984 | Toyota | Pickup | 2.4L | L4 | Heater To Pipe | w/Aux. Heater; 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.