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Dayco 87628 HVAC Heater Hose - Heater To Pipe, Pipe To Engine or Pipe To Water Pump
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.
| Brand | Dayco |
| Part Number | 87628 |
| Position | Small I.D. Heater Hose, Heater To Pipe |
| Color | Black |
| End 1 Inside Diameter | 5/8 |
| End 2 Inside Diameter | 3/4 |
| Hose Type | Dual I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R3 Class D-1, SAE J1684 Type EC |
| Trunk Height | 7 |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Hyundai | Genesis | 3.8L | V6 | Heater To Pipe | Driver Side; Small I.D. Heater Hose |
| 2011 | Hyundai | Genesis Coupe | 3.8L | V6 | Heater To Pipe | Driver Side; Small I.D. Heater Hose |
| 2010 | Hyundai | Genesis | 3.8L | V6 | Heater To Pipe | Driver Side; Small I.D. Heater Hose |
| 2010 | Hyundai | Genesis Coupe | 3.8L | V6 | Heater To Pipe | Driver Side; Small I.D. Heater Hose |
| 2009 | Hyundai | Genesis | 3.8L | V6 | Heater To Pipe | Driver Side; Small I.D. Heater Hose |
| 1991 | Ford | LTD Crown Victoria | 5.0L | V8 | Pipe To Water Pump | Small I.D. Heater Hose |
| 1991 | Ford | LTD Crown Victoria | 5.8L | V8 | Pipe To Water Pump | w/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose |
| 1991 | Mercury | Colony Park | Pipe To Water Pump | w/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose | ||
| 1991 | Mercury | Grand Marquis | Pipe To Water Pump | w/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose | ||
| 1990 | Ford | LTD Crown Victoria | 5.0L | V8 | Pipe To Water Pump | Small I.D. Heater Hose |
| 1990 | Ford | LTD Crown Victoria | 5.8L | V8 | Pipe To Water Pump | w/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose |
| 1990 | Lincoln | Town Car | Pipe To Engine | w/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose | ||
| 1990 | Mercury | Colony Park | Pipe To Water Pump | w/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose | ||
| 1990 | Mercury | Grand Marquis | Pipe To Water Pump | w/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose | ||
| 1989 | Ford | LTD Crown Victoria | 5.0L | V8 | Pipe To Water Pump | Small I.D. Heater Hose |
| 1989 | Ford | LTD Crown Victoria | 5.8L | V8 | Pipe To Water Pump | Small I.D. Heater Hose |
| 1989 | Lincoln | Town Car | Pipe To Engine | Small I.D. Heater Hose | ||
| 1989 | Mercury | Colony Park | Pipe To Water Pump | w/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose | ||
| 1989 | Mercury | Grand Marquis | 5.0L | V8 | Pipe To Water Pump | w/A.C., w/o Auto Temp. Control; Small I.D. Heater Hose |
| 1988 | Ford | LTD Crown Victoria | 5.0L | V8 | Pipe To Water Pump | Small I.D. Heater Hose |
| 1988 | Ford | LTD Crown Victoria | 5.8L | V8 | Pipe To Water Pump | Small I.D. Heater Hose |
| 1988 | Lincoln | Town Car | Pipe To Engine | Small I.D. Heater Hose | ||
| 1988 | Mercury | Colony Park | Pipe To Water Pump | Small I.D. Heater Hose | ||
| 1988 | Mercury | Grand Marquis | 5.0L | V8 | Pipe To Water Pump | Small I.D. Heater Hose |
| 1987 | Ford | LTD Crown Victoria | 5.0L | V8 | Pipe To Water Pump | Small I.D. Heater Hose |
| 1987 | Ford | LTD Crown Victoria | 5.8L | V8 | Pipe To Water Pump | Small I.D. Heater Hose |
| 1987 | Lincoln | Town Car | Pipe To Engine | Small I.D. Heater Hose | ||
| 1987 | Mercury | Colony Park | Pipe To Water Pump | Small I.D. Heater Hose | ||
| 1987 | Mercury | Grand Marquis | 5.0L | V8 | Pipe To Water Pump | Small I.D. Heater Hose |
| 1987 | Mercury | Grand Marquis | 5.8L | V8 | Pipe To Water Pump | 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.