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Dayco 87786 HVAC Heater Hose - Heater To Engine
Overview of Dayco Small I.D. Heater Hose 87786
The Dayco Small I.D. Heater Hose 87786 is designed for reliable HVAC system performance in select Ford, Lincoln, and Nissan vehicles. Engineered with durable EPDM material, this black single inside diameter hose ensures consistent heat transfer and fluid flow for your vehicle's heating system.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Black color for standard OEM appearance
- 5/8 inch inside diameter on both ends for uniform fit
- Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
- Single inside diameter hose type for precise HVAC applications
- Trunk height of 14 inches for proper routing and installation
Detailed Product Description
The Dayco Small I.D. Heater Hose 87786 is part of the Small I.D. Heater Hose product line, which focuses on delivering precise fit and reliable performance for HVAC systems requiring smaller diameter hoses. This hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for the demanding environment of vehicle heating systems. The hose features a consistent 5/8 inch inside diameter on both ends, ensuring compatibility with OEM fittings and maintaining proper coolant flow.
Designed without a heat shield or protective sleeve, this hose is intended for applications where additional protection is not required. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heater hose applications. The 14-inch trunk height dimension supports proper installation and routing within the HVAC system.
Compatible Vehicles and Applications
This Dayco heater hose is compatible with a range of Ford, Lincoln, and Nissan models, including the Ford Edge, Escape, Explorer, Focus, Fusion, Mustang, Taurus; Lincoln MKC, MKT, MKZ; and Nissan Frontier, Xterra. The part number 87786 ensures you receive the correct hose designed specifically for these vehicles' HVAC systems.
- Replaces worn or cracked heater hoses causing coolant leaks
- Restores proper heater core fluid flow for effective cabin heating
- Prevents overheating issues related to faulty heater hoses
- Eliminates coolant odor inside the vehicle due to hose deterioration
- Addresses HVAC system malfunctions linked to hose failure
Installation Notes and Tips
When installing the Dayco Small I.D. Heater Hose 87786, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose routing matches OEM specifications to avoid kinks or interference with other components. Use appropriate clamps to secure the hose ends and check for leaks after installation. The 5/8 inch inside diameter on both ends facilitates straightforward replacement without modification.
Quality Assurance and Warranty
Dayco manufactures the Small I.D. Heater Hose 87786 to meet stringent SAE standards, ensuring durability and performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand's commitment to reliability.
| Brand | Dayco |
| Part Number | 87786 |
| Position | Small I.D. Heater Hose, Heater To Engine |
| 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 | 14 |
This part fits 87 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2023 | Ford | Mustang | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2022 | Ford | Mustang | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2021 | Ford | Mustang | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2020 | Ford | Fusion | 2.5L | L4 | N/A | Small I.D. Heater Hose |
| 2020 | Ford | Fusion | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2020 | Ford | Mustang | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2019 | Ford | Escape | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2019 | Ford | Explorer | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2019 | Ford | Fusion | 2.5L | L4 | N/A | Small I.D. Heater Hose |
| 2019 | Ford | Fusion | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2019 | Ford | Mustang | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2019 | Lincoln | MKC | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2019 | Lincoln | MKC | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2018 | Ford | Edge | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2018 | Ford | Escape | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2018 | Ford | Explorer | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2018 | Ford | Focus | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2018 | Ford | Fusion | 2.5L | L4 | N/A | Small I.D. Heater Hose |
| 2018 | Ford | Fusion | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2018 | Ford | Mustang | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2018 | Lincoln | MKC | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2018 | Lincoln | MKC | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2018 | Lincoln | MKZ | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2017 | Ford | Edge | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2017 | Ford | Escape | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2017 | Ford | Explorer | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2017 | Ford | Focus | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2017 | Ford | Focus | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2017 | Ford | Fusion | 2.5L | L4 | N/A | Small I.D. Heater Hose |
| 2017 | Ford | Fusion | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2017 | Ford | Mustang | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2017 | Ford | Taurus | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2017 | Lincoln | MKC | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2017 | Lincoln | MKC | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2017 | Lincoln | MKZ | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2016 | Ford | Edge | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2016 | Ford | Escape | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2016 | Ford | Explorer | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2016 | Ford | Focus | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2016 | Ford | Focus | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2016 | Ford | Fusion | 2.5L | L4 | N/A | Small I.D. Heater Hose |
| 2016 | Ford | Fusion | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2016 | Ford | Mustang | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2016 | Ford | Taurus | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2016 | Lincoln | MKC | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2016 | Lincoln | MKC | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2016 | Lincoln | MKT | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2016 | Lincoln | MKZ | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2015 | Ford | Escape | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2015 | Ford | Explorer | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2015 | Ford | Focus | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2015 | Ford | Fusion | 2.5L | L4 | N/A | Small I.D. Heater Hose |
| 2015 | Ford | Fusion | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2015 | Ford | Mustang | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2015 | Ford | Taurus | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2015 | Lincoln | MKC | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2015 | Lincoln | MKC | 2.3L | L4 | N/A | Small I.D. Heater Hose |
| 2015 | Lincoln | MKZ | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2014 | Ford | Escape | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2014 | Ford | Explorer | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2014 | Ford | Focus | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2014 | Ford | Fusion | 2.5L | L4 | N/A | Small I.D. Heater Hose |
| 2014 | Ford | Fusion | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2014 | Ford | Taurus | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2013 | Ford | Edge | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2013 | Ford | Escape | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2013 | Ford | Explorer | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2013 | Ford | Focus | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2013 | Ford | Fusion | 2.5L | L4 | N/A | Small I.D. Heater Hose |
| 2013 | Ford | Fusion | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2013 | Ford | Taurus | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2013 | Lincoln | MKT | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2013 | Lincoln | MKZ | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2012 | Ford | Edge | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2012 | Ford | Explorer | 2.0L | L4 | N/A | Small I.D. Heater Hose |
| 2004 | Nissan | Frontier | 2.4L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 2004 | Nissan | Xterra | 2.4L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 2003 | Nissan | Frontier | 2.4L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 2003 | Nissan | Xterra | 2.4L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 2002 | Nissan | Frontier | 2.4L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 2002 | Nissan | Xterra | 2.4L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 2001 | Nissan | Frontier | 2.4L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 2001 | Nissan | Xterra | 2.4L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 2000 | Nissan | Frontier | 2.4L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 2000 | Nissan | Xterra | 2.4L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 1999 | Nissan | Frontier | 2.4L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 1998 | Nissan | Frontier | Heater 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.