HomeHVAC > Hoses and PipesDayco 88424 HVAC Heater Hose - Heater Inlet
Part #: 88424

Dayco 88424 HVAC Heater Hose - Heater Inlet

Small I.D. Heater Hose, Heater Inlet
⚙️ 5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Small I.D. Heater Hose, Heater Inlet
🚗Fitment: Ford, Focus
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dayco Small I.D. Heater Hose 88424

The Dayco Small I.D. Heater Hose 88424 is designed specifically for Ford Focus models, providing reliable HVAC system performance. Constructed from durable EPDM material, this branched heater hose ensures consistent heat transfer and fluid flow within your vehicle's heating system.

  • Made from high-quality EPDM rubber for heat and chemical resistance
  • Branched hose design with multiple inside diameters (3/4" and 23/64")
  • Complies with SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • Black color for standard OEM appearance
  • Compatible with Ford Focus HVAC systems requiring part number 88424

Detailed Product Description

The Dayco Small I.D. Heater Hose 88424 is engineered to meet the specific HVAC hose requirements of Ford Focus vehicles. This branched hose features three inside diameters: two ends at 3/4 inch and one at 23/64 inch, allowing it to connect multiple points within the heating system efficiently. Manufactured from EPDM (ethylene propylene diene monomer) rubber, the hose offers excellent resistance to heat, ozone, and coolant chemicals, ensuring durability and long service life. The hose does not include a heat shield or protective sleeve, consistent with OEM specifications for this application. Its compliance with SAE J20R3 Class D-1 and SAE J1684 Type EC standards guarantees it meets industry requirements for heater hoses in automotive HVAC systems.

About the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on delivering precise fitment and reliable performance for vehicles requiring smaller diameter heater hoses. This product line is designed to accommodate branched hose configurations commonly found in HVAC systems, providing a direct replacement that maintains factory specifications. The 88424 part is a representative example, tailored for Ford Focus models needing a branched hose with multiple inside diameters.

Common Applications and Problem Solving

  • Replacement of worn or cracked heater hoses in Ford Focus HVAC systems
  • Resolving coolant leaks that cause insufficient cabin heating
  • Addressing hose failures due to heat or chemical degradation
  • Maintaining proper coolant flow to the heater core
  • Ensuring HVAC system integrity and preventing overheating

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 88424, ensure the hose connections match the specified inside diameters of 3/4 inch and 23/64 inch for proper fit. Inspect all clamps and fittings for wear and replace if necessary to prevent leaks. Avoid twisting or kinking the hose during installation to maintain optimal coolant flow. This hose is designed for direct replacement in compatible Ford Focus models, so no modifications should be required.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 88424 to meet stringent SAE standards, ensuring reliable performance in automotive HVAC applications. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand's commitment to durability and fitment accuracy.

BrandDayco
Part Number88424
PositionSmall I.D. Heater Hose, Heater Inlet
MaterialEpdm
ColorBlack
End 1 Inside Diameter3/4
End 2 Inside Diameter3/4
End 3 Inside Diameter23/64
Contains Heat ShieldN
Contains Protective SleeveN
Hose TypeBranched hose
SAE SpecificationSae j20r3 class d-1, sae j1684 type ec
Trunk Height18

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004FordFocus2.0LL4Heater InletSmall I.D. Heater Hose
2003FordFocus2.0LL4Heater InletSmall I.D. Heater Hose
2002FordFocusHeater InletSmall I.D. Heater Hose
2001FordFocusHeater InletSmall I.D. Heater Hose
2000FordFocusHeater InletSmall 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:

18190L

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