HomeHVAC > Hoses and PipesDayco 87628 HVAC Heater Hose - Heater To Pipe, Pipe To Engine or Pipe To Water Pump
Part #: 87628

Dayco 87628 HVAC Heater Hose - Heater To Pipe, Pipe To Engine or Pipe To Water Pump

Small I.D. Heater Hose, Heater To Pipe
⚙️ 30 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Small I.D. Heater Hose, Heater To Pipe
🚗Fitment: Hyundai, Ford, Mercury, and Lincoln, Genesis, Genesis Coupe, Country Squire, LTD Crown Victoria, Colony Park, Grand Marquis, and Town Car
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Overview of Dayco Small I.D. Heater Hose 87628

The Dayco Small I.D. Heater Hose 87628 is designed for reliable HVAC system performance in select Ford, Hyundai, Lincoln, and Mercury vehicles. Engineered with durable EPDM material, this dual inside diameter hose ensures proper coolant flow and temperature regulation for your vehicle's heating system.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Dual inside diameters: 5/8 inch and 3/4 inch ends for versatile fitment
  • Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • Black color for standard OEM appearance
  • Trunk height of 7 inches for precise installation

Detailed Product Description

This Dayco Small I.D. Heater Hose 87628 is a dual I.D. hose designed to accommodate different inside diameters on each end, measuring 5/8 inch and 3/4 inch respectively. Made from EPDM (ethylene propylene diene monomer), the hose offers excellent resistance to heat, ozone, and automotive fluids, making it suitable for HVAC heater core connections. The hose does not include a heat shield or protective sleeve, which is typical for this type of heater hose application. Its compliance with SAE J20R3 Class D-1 and SAE J1684 Type EC standards ensures it meets industry requirements for durability and performance in heating and cooling systems.

About the Small I.D. Heater Hose Product Line

The Dayco Small I.D. Heater Hose product line focuses on providing hoses with smaller inside diameters tailored for specific HVAC applications. This line is engineered to meet precise OEM specifications, offering reliable coolant transfer and temperature control in vehicle heating systems. The 87628 part number is part of this line, designed to fit a range of vehicles requiring dual inside diameter hoses for proper HVAC function.

Compatible Vehicles and Common Applications

  • Ford LTD Crown Victoria, Town Car, and Colony Park models
  • Lincoln Town Car and Continental models
  • Mercury Grand Marquis and Colony Park
  • Hyundai Genesis and Genesis Coupe

This heater hose is commonly used to replace worn or leaking heater hoses that can cause coolant leaks, heater core malfunctions, or reduced heating efficiency.

Common Issues Addressed by Dayco Heater Hose 87628

  • Coolant leaks due to cracked or deteriorated heater hoses
  • Reduced cabin heating performance from restricted coolant flow
  • Swelling or softening of old hoses causing poor fitment
  • Failure to meet OEM specifications leading to premature hose failure
  • Compatibility issues with dual diameter hose connections

Installation Notes and Tips

Ensure the vehicle is cool and the cooling system is depressurized before removing the old heater hose. Verify the hose end diameters match the heater core and engine fittings (5/8 inch and 3/4 inch). Use appropriate clamps to secure the hose ends and check for leaks after installation. Avoid twisting or kinking the hose during installation to maintain proper coolant flow.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87628 to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring durability and performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Ford, Hyundai, Lincoln, and Mercury vehicles.

BrandDayco
Part Number87628
PositionSmall I.D. Heater Hose, Heater To Pipe
ColorBlack
End 1 Inside Diameter5/8
End 2 Inside Diameter3/4
Hose TypeDual I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R3 Class D-1, SAE J1684 Type EC
Trunk Height7

This part fits 30 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011HyundaiGenesis3.8LV6Heater To PipeDriver Side; Small I.D. Heater Hose
2011HyundaiGenesis Coupe3.8LV6Heater To PipeDriver Side; Small I.D. Heater Hose
2010HyundaiGenesis3.8LV6Heater To PipeDriver Side; Small I.D. Heater Hose
2010HyundaiGenesis Coupe3.8LV6Heater To PipeDriver Side; Small I.D. Heater Hose
2009HyundaiGenesis3.8LV6Heater To PipeDriver Side; Small I.D. Heater Hose
1991FordLTD Crown Victoria5.0LV8Pipe To Water PumpSmall I.D. Heater Hose
1991FordLTD Crown Victoria5.8LV8Pipe To Water Pumpw/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose
1991MercuryColony ParkPipe To Water Pumpw/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose
1991MercuryGrand MarquisPipe To Water Pumpw/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose
1990FordLTD Crown Victoria5.0LV8Pipe To Water PumpSmall I.D. Heater Hose
1990FordLTD Crown Victoria5.8LV8Pipe To Water Pumpw/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose
1990LincolnTown CarPipe To Enginew/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose
1990MercuryColony ParkPipe To Water Pumpw/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose
1990MercuryGrand MarquisPipe To Water Pumpw/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose
1989FordLTD Crown Victoria5.0LV8Pipe To Water PumpSmall I.D. Heater Hose
1989FordLTD Crown Victoria5.8LV8Pipe To Water PumpSmall I.D. Heater Hose
1989LincolnTown CarPipe To EngineSmall I.D. Heater Hose
1989MercuryColony ParkPipe To Water Pumpw/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose
1989MercuryGrand Marquis5.0LV8Pipe To Water Pumpw/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose
1988FordLTD Crown Victoria5.0LV8Pipe To Water PumpSmall I.D. Heater Hose
1988FordLTD Crown Victoria5.8LV8Pipe To Water PumpSmall I.D. Heater Hose
1988LincolnTown CarPipe To EngineSmall I.D. Heater Hose
1988MercuryColony ParkPipe To Water PumpSmall I.D. Heater Hose
1988MercuryGrand Marquis5.0LV8Pipe To Water PumpSmall I.D. Heater Hose
1987FordLTD Crown Victoria5.0LV8Pipe To Water PumpSmall I.D. Heater Hose
1987FordLTD Crown Victoria5.8LV8Pipe To Water PumpSmall I.D. Heater Hose
1987LincolnTown CarPipe To EngineSmall I.D. Heater Hose
1987MercuryColony ParkPipe To Water PumpSmall I.D. Heater Hose
1987MercuryGrand Marquis5.0LV8Pipe To Water PumpSmall I.D. Heater Hose
1987MercuryGrand Marquis5.8LV8Pipe To Water PumpSmall 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:

14086S

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