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Dayco 87804 HVAC Heater Hose
Durable HVAC Heater Hose for Ford, Honda, Jeep, Mazda, and Toyota
The Dayco Small I.D. Heater Hose 87804 is engineered to provide reliable performance in your vehicle's heating system. Designed with precision, this hose ensures efficient coolant flow and durability for models like the Honda Accord, Jeep Grand Cherokee, and Toyota Sienna.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Black single inside diameter hose with 5/8 inch inside diameter on both ends
- Includes a protective sleeve for added durability and abrasion resistance
- Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
- Compatible with multiple makes and models including Ford Escape, Mazda CX-7, and Toyota Tribute
About the Dayco Small I.D. Heater Hose Product Line
The Small I.D. Heater Hose line by Dayco focuses on delivering hoses with precise inside diameters tailored for HVAC systems requiring smaller hose sizes. This product line emphasizes durability and compliance with SAE standards, ensuring compatibility and reliable operation in various vehicle heating applications. The 87804 part is a single inside diameter hose designed to meet the specific needs of compact heater hose connections.
Product Details and Specifications
The Dayco 87804 heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose have a 5/8 inch inside diameter, making it suitable for HVAC systems requiring consistent hose sizing. The hose is black in color and includes a protective sleeve to guard against abrasion and wear, although it does not contain a heat shield. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses.
Common Applications and Issues Addressed
- Replacement of worn or cracked heater hoses in Ford Escape and Honda Accord HVAC systems
- Resolving coolant leaks caused by deteriorated hoses in Jeep Grand Cherokee and Mazda CX-7
- Maintaining proper coolant flow in Toyota Sienna and Tribute heating circuits
- Preventing hose failure due to abrasion with the included protective sleeve
- Ensuring compliance with manufacturer specifications for HVAC hose replacements
Installation Notes and Tips
When installing the Dayco 87804 heater hose, ensure the hose is routed without sharp bends or kinks to maintain proper coolant flow. Verify that the 5/8 inch inside diameter matches the vehicle’s heater core and fitting sizes. The protective sleeve should be positioned to face areas prone to abrasion. Always inspect clamps and fittings for wear and replace if necessary to prevent leaks.
Quality Assurance and Warranty
Dayco manufactures the Small I.D. Heater Hose 87804 to meet strict SAE specifications, ensuring durability and performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically adhere to industry quality standards and are designed for long-term service in compatible vehicles including Ford, Honda, Jeep, Mazda, and Toyota models.
| Brand | Dayco |
| Part Number | 87804 |
| Position | Small I.D. Heater Hose, Heater Inlet, Heater Outlet, Heater To Connector, and Heater To Engine |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 5/8 |
| End 2 Inside Diameter | 5/8 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | Y |
| Hose Type | Single i.d. hose |
| SAE Specification | Sae j20r3 class d-1, sae j1684 type ec |
| Trunk Height | 29 |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Honda | Accord | 2.4L | L4 | Heater Inlet | Small I.D. Heater Hose |
| 2017 | Honda | Accord | 2.4L | L4 | Heater Outlet | Small I.D. Heater Hose |
| 2016 | Honda | Accord | 2.4L | L4 | Heater Inlet | Small I.D. Heater Hose |
| 2016 | Honda | Accord | 2.4L | L4 | Heater Outlet | Small I.D. Heater Hose |
| 2015 | Honda | Accord | 2.4L | L4 | Heater Inlet | Small I.D. Heater Hose |
| 2015 | Honda | Accord | 2.4L | L4 | Heater Outlet | Small I.D. Heater Hose |
| 2014 | Honda | Accord | 2.4L | L4 | Heater Inlet | Small I.D. Heater Hose |
| 2014 | Honda | Accord | 2.4L | L4 | Heater Outlet | Small I.D. Heater Hose |
| 2013 | Honda | Accord | 2.4L | L4 | Heater Inlet | Small I.D. Heater Hose |
| 2013 | Honda | Accord | 2.4L | L4 | Heater Outlet | Small I.D. Heater Hose |
| 2012 | Mazda | CX-7 | 2.3L | L4 | Heater Inlet | Small I.D. Heater Hose |
| 2011 | Mazda | CX-7 | 2.3L | L4 | Heater Inlet | Small I.D. Heater Hose |
| 2010 | Mazda | CX-7 | 2.3L | L4 | Heater Inlet | Small I.D. Heater Hose |
| 2009 | Mazda | CX-7 | Heater Inlet | Small I.D. Heater Hose | ||
| 2008 | Mazda | CX-7 | Heater Inlet | Small I.D. Heater Hose | ||
| 2007 | Jeep | Commander | 4.7L | V8 | Heater Outlet | w/o Rear Air; Small I.D. Heater Hose |
| 2007 | Jeep | Grand Cherokee | 4.7L | V8 | Heater Outlet | w/o Rear Air; Small I.D. Heater Hose |
| 2007 | Mazda | CX-7 | Heater Inlet | Small I.D. Heater Hose | ||
| 2006 | Jeep | Commander | 4.7L | V8 | Heater Outlet | w/o Rear Air; Small I.D. Heater Hose |
| 2006 | Jeep | Grand Cherokee | 4.7L | V8 | Heater Outlet | w/o Rear Air; Small I.D. Heater Hose |
| 2005 | Jeep | Grand Cherokee | 4.7L | V8 | Heater Outlet | Small I.D. Heater Hose |
| 2004 | Ford | Escape | 3.0L | V6 | Heater To Connector | Driver Side; Small I.D. Heater Hose |
| 2004 | Mazda | Tribute | 3.0L | V6 | Heater To Connector | Driver Side; Small I.D. Heater Hose |
| 2003 | Ford | Escape | 3.0L | V6 | Heater To Connector | Driver Side; Small I.D. Heater Hose |
| 2003 | Mazda | Tribute | 3.0L | V6 | Heater To Connector | Driver Side; Small I.D. Heater Hose |
| 2003 | Toyota | Sienna | Heater To Engine | Without auxiliary heater; Small I.D. Heater Hose | ||
| 2002 | Ford | Escape | 3.0L | V6 | Heater To Connector | Driver Side; Small I.D. Heater Hose |
| 2002 | Mazda | Tribute | 3.0L | V6 | Heater To Connector | Driver Side; Small I.D. Heater Hose |
| 2002 | Toyota | Sienna | Heater To Engine | Without auxiliary heater; Small I.D. Heater Hose | ||
| 2001 | Ford | Escape | 3.0L | V6 | Heater To Connector | Driver Side; Small I.D. Heater Hose |
| 2001 | Mazda | Tribute | 3.0L | V6 | Heater To Connector | Driver Side; Small I.D. Heater Hose |
| 2001 | Toyota | Sienna | Heater To Engine | Without auxiliary heater; Small I.D. Heater Hose | ||
| 2000 | Toyota | Sienna | Heater To Engine | Without auxiliary heater; Small I.D. Heater Hose | ||
| 1999 | Toyota | Sienna | Heater To Engine | Without auxiliary heater; Small I.D. Heater Hose | ||
| 1998 | Toyota | Sienna | Heater To Engine | Without auxiliary 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.