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Dayco 87793 HVAC Heater Hose - Heater To Intake Manifold, Heater To Pipe or Pipe To Heater
Reliable HVAC Heater Hose for Ford and Lincoln Vehicles
The Dayco Small I.D. Heater Hose 87793 is designed to provide dependable performance in the heating and cooling systems of select Ford and Lincoln models. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.
- Constructed from high-quality EPDM rubber for heat and chemical resistance
- Black color for standard OEM appearance
- 3/4 inch inside diameter on both ends for precise fitment
- Single inside diameter hose type for streamlined installation
- Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
- Compatible with Ford Blackwood, Expedition, F-150, F-350 Super Duty, and Lincoln Navigator
About the Dayco Small I.D. Heater Hose Product Line
The Small I.D. Heater Hose line by Dayco focuses on delivering hoses with smaller inside diameters tailored for specific HVAC applications. This product line emphasizes compliance with SAE standards to ensure durability and proper fitment in heating systems. The 87793 hose exemplifies this approach by offering a precise 3/4 inch inside diameter on both ends, suitable for various Ford and Lincoln vehicles requiring reliable heater hose replacements.
Product Details and Specifications
The Dayco 87793 heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for HVAC systems. The hose is black in color and features a single inside diameter design with 3/4 inch openings on both ends, facilitating a secure connection within the heating system. It does not include a heat shield or protective sleeve, which is typical for this hose type. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses.
Applications and Common Issues Addressed
- Replacement of worn or cracked heater hoses in Ford F-150 and F-350 Super Duty models
- Resolving coolant leaks in the heating system of Lincoln Navigator vehicles
- Maintaining proper coolant flow in Ford Expedition HVAC systems
- Preventing overheating issues caused by damaged heater hoses in Ford Blackwood
- Ensuring reliable heater hose performance in Lincoln Navigator and Ford trucks
Installation Notes and Tips
When installing the Dayco 87793 heater hose, ensure the hose is routed correctly to avoid kinks or sharp bends that could restrict coolant flow. Verify that the 3/4 inch inside diameter matches the vehicle’s heater core and fitting sizes. Use appropriate clamps to secure the hose ends firmly and check for leaks after installation. This hose does not include a heat shield or protective sleeve, so take care to avoid contact with high-temperature engine components.
Quality Assurance and Warranty
Dayco manufactures the 87793 heater hose to meet strict SAE specifications, ensuring consistent quality and durability. While specific warranty details are not provided, Dayco products typically adhere to industry standards for reliability in automotive HVAC applications.
| Brand | Dayco |
| Part Number | 87793 |
| Position | Small I.D. Heater Hose, Pipe To Heater, Heater To Intake Manifold, and Heater To Pipe |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 3/4 |
| End 2 Inside Diameter | 3/4 |
| 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 | 21 |
This part fits 36 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Lincoln | Navigator | Pipe To Heater | Small I.D. Heater Hose | |||
| 2003 | Ford | Expedition | 5.4L | V8 | Pipe To Heater | Small I.D. Heater Hose | |
| 2003 | Ford | F-150 | 4.6L | V8 | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose | |
| 2003 | Ford | F-150 | 5.4L | V8 | CNG | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose |
| 2003 | Ford | F-150 | 5.4L | V8 | BI-FUEL | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose |
| 2003 | Ford | F-150 | 5.4L | V8 | GAS | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose |
| 2003 | Lincoln | Navigator | Pipe To Heater | Small I.D. Heater Hose | |||
| 2002 | Ford | Expedition | 5.4L | V8 | Pipe To Heater | Without auxiliary heater; Small I.D. Heater Hose | |
| 2002 | Ford | F-150 | 4.6L | V8 | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose | |
| 2002 | Ford | F-150 | 5.4L | V8 | CNG | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose |
| 2002 | Ford | F-150 | 5.4L | V8 | BI-FUEL | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose |
| 2002 | Ford | F-150 | 5.4L | V8 | GAS | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose |
| 2002 | Ford | F-350 Super Duty | 5.4L | V8 | Pipe To Heater | Small I.D. Heater Hose | |
| 2002 | Lincoln | Blackwood | Pipe To Heater | Small I.D. Heater Hose | |||
| 2002 | Lincoln | Navigator | Pipe To Heater | Small I.D. Heater Hose | |||
| 2001 | Ford | Expedition | 5.4L | V8 | Pipe To Heater | Without auxiliary heater; Small I.D. Heater Hose | |
| 2001 | Ford | F-150 | 4.6L | V8 | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose | |
| 2001 | Ford | F-150 | 5.4L | V8 | CNG | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose |
| 2001 | Ford | F-150 | 5.4L | V8 | BI-FUEL | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose |
| 2001 | Ford | F-150 | 5.4L | V8 | GAS | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose |
| 2001 | Ford | F-150 | 5.4L | V8 | GAS | Pipe To Heater | Small I.D. Heater Hose |
| 2001 | Lincoln | Navigator | Pipe To Heater | Small I.D. Heater Hose | |||
| 2000 | Ford | Expedition | 5.4L | V8 | Pipe To Heater | Without auxiliary heater; Small I.D. Heater Hose | |
| 2000 | Ford | F-150 | 4.6L | V8 | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose | |
| 2000 | Ford | F-150 | 5.4L | V8 | CNG | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose |
| 2000 | Ford | F-150 | 5.4L | V8 | BI-FUEL | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Heater To Intake Manifold | w/Quick Connect; Small I.D. Heater Hose |
| 2000 | Ford | F-150 | 5.4L | V8 | GAS | Pipe To Heater | Small I.D. Heater Hose |
| 2000 | Lincoln | Navigator | Pipe To Heater | Small I.D. Heater Hose | |||
| 1999 | Ford | Expedition | 5.4L | V8 | Pipe To Heater | Without auxiliary heater; Small I.D. Heater Hose | |
| 1999 | Ford | F-150 | 5.4L | V8 | Pipe To Heater | Small I.D. Heater Hose | |
| 1999 | Lincoln | Navigator | Pipe To Heater | Without auxiliary heater; Small I.D. Heater Hose | |||
| 1999 | Lincoln | Navigator | Heater To Pipe | Without auxiliary heater; Small I.D. Heater Hose | |||
| 1998 | Ford | Expedition | 5.4L | V8 | Pipe To Heater | Without auxiliary heater; Small I.D. Heater Hose | |
| 1998 | Lincoln | Navigator | Heater To Pipe | Without auxiliary heater; Small I.D. Heater Hose | |||
| 1997 | Ford | Expedition | 5.4L | V8 | Pipe To Heater | 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.