HomeHVAC > Hoses and PipesDayco 88409 HVAC Heater Hose - Heater To Tee or Tee To Engine
Part #: 88409

Dayco 88409 HVAC Heater Hose - Heater To Tee or Tee To Engine

Small I.D. Heater Hose, Heater To Tee and Tee To Engine
⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Small I.D. Heater Hose, Heater To Tee and Tee To Engine
🚗Fitment: Chevrolet and Ford, Equinox and Windstar
🔄Easy Returns — Return within 60 days for a full refund
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Reliable HVAC Heater Hose for Chevrolet Equinox and Ford Windstar

The Dayco Small I.D. Heater Hose 88409 is designed to provide dependable performance in your vehicle's heating system. Engineered with durable EPDM material and a protective sleeve, this hose ensures long-lasting service for Chevrolet Equinox and Ford Windstar models.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Black color with 3/4 inch inside diameter on both ends
  • Single I.D. hose type with protective sleeve for added durability
  • Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • Compatible with Chevrolet Equinox and Ford Windstar HVAC systems

About the Dayco Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on delivering precise fit and reliable performance for smaller diameter heater hoses used in vehicle HVAC systems. This product line emphasizes quality materials and compliance with SAE standards to ensure compatibility and durability in demanding automotive environments. The 88409 hose is part of this line, offering a single inside diameter hose solution with protective features tailored for specific vehicle applications.

Product Details and Specifications

The Dayco 88409 heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have a 3/4 inch inside diameter, making it suitable for precise HVAC connections. The hose includes a protective sleeve to guard against abrasion and wear, although it does not contain a heat shield. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses. The hose's trunk height is 8, providing a compact and efficient design for installation in tight engine compartments.

Applications and Common Issues Addressed

  • Replacement of worn or cracked heater hoses in Chevrolet Equinox and Ford Windstar HVAC systems
  • Prevention of coolant leaks that can cause heating system failure
  • Restoration of proper coolant flow to the heater core
  • Elimination of hose degradation due to heat and chemical exposure
  • Improvement of overall HVAC system reliability and performance

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns from hot coolant. Verify the hose diameter matches the OEM specifications for your Chevrolet Equinox or Ford Windstar. Inspect hose connections and clamps for wear and replace if necessary to maintain a secure seal. The protective sleeve on the Dayco 88409 hose helps reduce abrasion during installation, but care should be taken to avoid kinking or twisting the hose.

Quality Assurance and Warranty

Dayco manufactures the 88409 heater hose to meet strict SAE standards, ensuring reliable performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to maintain consistency and durability in service.

BrandDayco
Part Number88409
PositionSmall I.D. Heater Hose, Heater To Tee and Tee To Engine
MaterialEpdm
ColorBlack
End 1 Inside Diameter3/4
End 2 Inside Diameter3/4
Contains Heat ShieldN
Contains Protective SleeveY
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r3 class d-1, sae j1684 type ec
Trunk Height8

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005ChevroletEquinoxHeater To TeeHose Must Be Cut On Both Ends; Small I.D. Heater Hose
2003FordWindstarTee To Enginew/Aux. Heater; Small I.D. Heater Hose
2002FordWindstarTee To Enginew/Aux. Heater; Small I.D. Heater Hose
2001FordWindstarTee To Enginew/Aux. Heater; Small I.D. Heater Hose
2000FordWindstar3.8LV6Tee To Enginew/Aux. Heater; Small I.D. Heater Hose
1999FordWindstar3.8LV6Tee To Enginew/Aux. Heater; 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:

14324S14326S

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