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Dayco 87651 HVAC Heater Hose
Reliable HVAC Heater Hose for Multiple Vehicle Makes
The Dayco Small I.D. Heater Hose 87651 is engineered to provide dependable performance in your vehicle's heating system. Designed with a 5/8 inch inside diameter on both ends, this black EPDM hose is compatible with a range of models including Chevrolet C2500, Dodge Caravan, Ford Taurus, Honda Civic, and Toyota Land Cruiser.
- Constructed from durable EPDM material for heat and chemical resistance
- 5/8 inch inside diameter on both ends for consistent fitment
- Single I.D. hose type designed for HVAC heater applications
- Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
- Trunk height of 5 1/4 inches for proper routing and clearance
About the Dayco Small I.D. Heater Hose Product Line
The Small I.D. Heater Hose line by Dayco focuses on delivering precise hose dimensions and material quality tailored for HVAC systems. This product line ensures compatibility with various vehicle makes and models by adhering to strict SAE specifications, providing reliable heat transfer and durability in demanding automotive environments.
Product Details and Specifications
The Dayco 87651 heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Its black color and single inside diameter design simplify identification and installation. Both ends feature a 5/8 inch inside diameter, making it suitable for heater core and HVAC system connections. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for performance and safety. With a trunk height of 5 1/4 inches, it fits well within engine compartments of compatible vehicles.
Compatible Vehicles and Common Applications
- Chevrolet C2500 and C3500 trucks
- Dodge Caravan and Grand Caravan models
- Ford Taurus and K2500/K3500 trucks
- Honda Civic and Lexus GS430
- Toyota Land Cruiser, LX570, and other models
Common Issues Addressed by This Heater Hose
- Heater core leaks due to cracked or worn hoses
- HVAC system overheating from restricted coolant flow
- Replacement of deteriorated or brittle heater hoses
- Preventing coolant loss and maintaining cabin heating efficiency
- Ensuring proper fitment in vehicles requiring 5/8 inch I.D. hoses
Installation Notes and Tips
Before installation, verify the hose length and diameter match your vehicle’s specifications. Ensure all connections are clean and free of debris to prevent leaks. Use appropriate clamps to secure the hose ends firmly without over-tightening, which can damage the hose. The Dayco 87651 hose does not include a heat shield or protective sleeve, so take care to route it away from excessive heat sources or sharp edges.
Quality Assurance and Warranty
Dayco manufactures the Small I.D. Heater Hose 87651 to meet SAE standards, ensuring consistent quality and durability. While specific warranty details are not provided, Dayco products typically undergo rigorous testing to comply with automotive industry requirements, offering reliable service life in HVAC applications.
| Brand | Dayco |
| Part Number | 87651 |
| Position | Small I.D. Heater Hose, Valve To Engine, Heater To Engine, Heater To Pipe, Pipe To Heater, Tee-2 To Auxiliary Heater, Intake Manifold To Heater, and Heater To Thermostat |
| 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 | 5 1/4 |
This part fits 45 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Lexus | LX570 | Tee-2 To Auxiliary Heater | Small I.D. Heater Hose | ||
| 2009 | Toyota | Land Cruiser | Tee-2 To Auxiliary Heater | Small I.D. Heater Hose | ||
| 2008 | Lexus | LX570 | Tee-2 To Auxiliary Heater | Small I.D. Heater Hose | ||
| 2008 | Toyota | Land Cruiser | Tee-2 To Auxiliary Heater | Small I.D. Heater Hose | ||
| 2005 | Honda | Civic | 2.0L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 2005 | Lexus | GS430 | Pipe To Heater | Small I.D. Heater Hose | ||
| 2004 | Honda | Civic | 2.0L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 2004 | Kia | Spectra | 1.8L | L4 | Heater To Pipe | HVAC Heater Hose - Thermo End; Small I.D. Heater Hose |
| 2004 | Lexus | GS430 | Pipe To Heater | Small I.D. Heater Hose | ||
| 2003 | Honda | Civic | 2.0L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 2003 | Kia | Spectra | Heater To Pipe | HVAC Heater Hose - Thermo End; Small I.D. Heater Hose | ||
| 2003 | Lexus | GS430 | Pipe To Heater | Small I.D. Heater Hose | ||
| 2002 | Honda | Civic | 2.0L | L4 | Heater To Engine | Small I.D. Heater Hose |
| 2002 | Kia | Spectra | Heater To Pipe | HVAC Heater Hose - Thermo End; Small I.D. Heater Hose | ||
| 2002 | Lexus | GS430 | Pipe To Heater | Small I.D. Heater Hose | ||
| 2001 | Kia | Sephia | Heater To Thermostat | Small I.D. Heater Hose | ||
| 2001 | Kia | Spectra | Heater To Pipe | HVAC Heater Hose - Thermo End; Small I.D. Heater Hose | ||
| 2001 | Lexus | GS430 | Pipe To Heater | Small I.D. Heater Hose | ||
| 2000 | Kia | Sephia | Heater To Thermostat | Small I.D. Heater Hose | ||
| 2000 | Kia | Spectra | Heater To Pipe | HVAC Heater Hose - Thermo End; Small I.D. Heater Hose | ||
| 1999 | Kia | Sephia | Heater To Thermostat | Small I.D. Heater Hose | ||
| 1998 | Kia | Sephia | Heater To Thermostat | Small I.D. Heater Hose | ||
| 1997 | Kia | Sephia | 1.8L | L4 | Heater To Thermostat | Small I.D. Heater Hose |
| 1996 | Kia | Sephia | 1.8L | L4 | Heater To Thermostat | Small I.D. Heater Hose |
| 1995 | Chevrolet | C2500 | 7.4L | V8 | Intake Manifold To Heater | w/A.C., w/o Aux. Heater; Small I.D. Heater Hose |
| 1995 | Chevrolet | C3500 | 7.4L | V8 | Intake Manifold To Heater | w/A.C., w/o Aux. Heater; Small I.D. Heater Hose |
| 1995 | Chevrolet | K2500 | 7.4L | V8 | Intake Manifold To Heater | w/A.C., w/o Aux. Heater; Small I.D. Heater Hose |
| 1995 | Chevrolet | K3500 | 7.4L | V8 | Intake Manifold To Heater | w/A.C., w/o Aux. Heater; Small I.D. Heater Hose |
| 1995 | Ford | Taurus | 3.0L | V6 | N/A | Small I.D. Heater Hose |
| 1995 | Kia | Sephia | 1.8L | L4 | Heater To Thermostat | Small I.D. Heater Hose |
| 1994 | Ford | Taurus | 3.0L | V6 | N/A | Small I.D. Heater Hose |
| 1993 | Ford | Taurus | 3.0L | V6 | N/A | Small I.D. Heater Hose |
| 1992 | Ford | Taurus | 3.0L | V6 | N/A | Small I.D. Heater Hose |
| 1991 | Ford | Taurus | 3.0L | V6 | N/A | Small I.D. Heater Hose |
| 1990 | Dodge | Caravan | 2.5L | L4 | Valve To Engine | Compatible with vehicles containing air conditioning.; Small I.D. Heater Hose |
| 1990 | Ford | Taurus | 3.0L | V6 | N/A | Small I.D. Heater Hose |
| 1990 | Plymouth | Voyager | 2.5L | L4 | Valve To Engine | Compatible with vehicles containing air conditioning.; Small I.D. Heater Hose |
| 1989 | Dodge | Caravan | 2.5L | L4 | Valve To Engine | Compatible with vehicles containing air conditioning.; Small I.D. Heater Hose |
| 1989 | Dodge | Grand Caravan | 2.5L | L4 | Valve To Engine | Compatible with vehicles containing air conditioning.; Small I.D. Heater Hose |
| 1989 | Ford | Taurus | 3.0L | V6 | N/A | Small I.D. Heater Hose |
| 1989 | Plymouth | Voyager | 2.5L | L4 | Valve To Engine | Compatible with vehicles containing air conditioning.; Small I.D. Heater Hose |
| 1988 | Dodge | Caravan | 2.5L | L4 | Valve To Engine | Compatible with vehicles containing air conditioning.; Small I.D. Heater Hose |
| 1988 | Dodge | Grand Caravan | 2.5L | L4 | Valve To Engine | Compatible with vehicles containing air conditioning.; Small I.D. Heater Hose |
| 1988 | Plymouth | Grand Voyager | 2.5L | L4 | Valve To Engine | Compatible with vehicles containing air conditioning.; Small I.D. Heater Hose |
| 1988 | Plymouth | Voyager | 2.5L | L4 | Valve To Engine | Compatible with vehicles containing air conditioning.; 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.