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Part #: 87651

Dayco 87651 HVAC Heater Hose

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
⚙️ 45 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦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
🚗Fitment: Chevrolet, Dodge, Ford, Honda, Kia, Lexus, Plymouth, and Toyota, C2500, C3500, Caravan, Civic, Grand Caravan, Grand Voyager, GS430, K2500, K3500, Land Cruiser, LX570, Sephia, Spectra, Taurus, and Voyager
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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.

BrandDayco
Part Number87651
PositionSmall 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
MaterialEpdm
ColorBlack
End 1 Inside Diameter5/8
End 2 Inside Diameter5/8
Contains Heat ShieldN
Contains Protective SleeveN
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r3 class d-1, sae j1684 type ec
Trunk Height5 1/4

This part fits 45 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009LexusLX570Tee-2 To Auxiliary HeaterSmall I.D. Heater Hose
2009ToyotaLand CruiserTee-2 To Auxiliary HeaterSmall I.D. Heater Hose
2008LexusLX570Tee-2 To Auxiliary HeaterSmall I.D. Heater Hose
2008ToyotaLand CruiserTee-2 To Auxiliary HeaterSmall I.D. Heater Hose
2005HondaCivic2.0LL4Heater To EngineSmall I.D. Heater Hose
2005LexusGS430Pipe To HeaterSmall I.D. Heater Hose
2004HondaCivic2.0LL4Heater To EngineSmall I.D. Heater Hose
2004KiaSpectra1.8LL4Heater To PipeHVAC Heater Hose - Thermo End; Small I.D. Heater Hose
2004LexusGS430Pipe To HeaterSmall I.D. Heater Hose
2003HondaCivic2.0LL4Heater To EngineSmall I.D. Heater Hose
2003KiaSpectraHeater To PipeHVAC Heater Hose - Thermo End; Small I.D. Heater Hose
2003LexusGS430Pipe To HeaterSmall I.D. Heater Hose
2002HondaCivic2.0LL4Heater To EngineSmall I.D. Heater Hose
2002KiaSpectraHeater To PipeHVAC Heater Hose - Thermo End; Small I.D. Heater Hose
2002LexusGS430Pipe To HeaterSmall I.D. Heater Hose
2001KiaSephiaHeater To ThermostatSmall I.D. Heater Hose
2001KiaSpectraHeater To PipeHVAC Heater Hose - Thermo End; Small I.D. Heater Hose
2001LexusGS430Pipe To HeaterSmall I.D. Heater Hose
2000KiaSephiaHeater To ThermostatSmall I.D. Heater Hose
2000KiaSpectraHeater To PipeHVAC Heater Hose - Thermo End; Small I.D. Heater Hose
1999KiaSephiaHeater To ThermostatSmall I.D. Heater Hose
1998KiaSephiaHeater To ThermostatSmall I.D. Heater Hose
1997KiaSephia1.8LL4Heater To ThermostatSmall I.D. Heater Hose
1996KiaSephia1.8LL4Heater To ThermostatSmall I.D. Heater Hose
1995ChevroletC25007.4LV8Intake Manifold To Heaterw/A.C., w/o Aux. Heater; Small I.D. Heater Hose
1995ChevroletC35007.4LV8Intake Manifold To Heaterw/A.C., w/o Aux. Heater; Small I.D. Heater Hose
1995ChevroletK25007.4LV8Intake Manifold To Heaterw/A.C., w/o Aux. Heater; Small I.D. Heater Hose
1995ChevroletK35007.4LV8Intake Manifold To Heaterw/A.C., w/o Aux. Heater; Small I.D. Heater Hose
1995FordTaurus3.0LV6N/ASmall I.D. Heater Hose
1995KiaSephia1.8LL4Heater To ThermostatSmall I.D. Heater Hose
1994FordTaurus3.0LV6N/ASmall I.D. Heater Hose
1993FordTaurus3.0LV6N/ASmall I.D. Heater Hose
1992FordTaurus3.0LV6N/ASmall I.D. Heater Hose
1991FordTaurus3.0LV6N/ASmall I.D. Heater Hose
1990DodgeCaravan2.5LL4Valve To EngineCompatible with vehicles containing air conditioning.; Small I.D. Heater Hose
1990FordTaurus3.0LV6N/ASmall I.D. Heater Hose
1990PlymouthVoyager2.5LL4Valve To EngineCompatible with vehicles containing air conditioning.; Small I.D. Heater Hose
1989DodgeCaravan2.5LL4Valve To EngineCompatible with vehicles containing air conditioning.; Small I.D. Heater Hose
1989DodgeGrand Caravan2.5LL4Valve To EngineCompatible with vehicles containing air conditioning.; Small I.D. Heater Hose
1989FordTaurus3.0LV6N/ASmall I.D. Heater Hose
1989PlymouthVoyager2.5LL4Valve To EngineCompatible with vehicles containing air conditioning.; Small I.D. Heater Hose
1988DodgeCaravan2.5LL4Valve To EngineCompatible with vehicles containing air conditioning.; Small I.D. Heater Hose
1988DodgeGrand Caravan2.5LL4Valve To EngineCompatible with vehicles containing air conditioning.; Small I.D. Heater Hose
1988PlymouthGrand Voyager2.5LL4Valve To EngineCompatible with vehicles containing air conditioning.; Small I.D. Heater Hose
1988PlymouthVoyager2.5LL4Valve To EngineCompatible 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:

14095S

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.