HomeHVAC > Hoses and PipesDayco 86065 HVAC Heater Hose - Heater To Engine or Thermostat To Heater
Part #: 86065

Dayco 86065 HVAC Heater Hose - Heater To Engine or Thermostat To Heater

Small I.D. Heater Hose, Thermostat To Heater
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Small I.D. Heater Hose, Thermostat To Heater
Fitment: Ford and Mercury, Taurus and Sable
Easy Returns — Return within 60 days for a full refund
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Overview of Dayco Small I.D. Heater Hose 86065

The Dayco Small I.D. Heater Hose 86065 is designed for reliable HVAC system performance in Ford and Mercury vehicles. Engineered to meet specific SAE standards, this hose ensures proper coolant flow and durability for models like the Ford Taurus and Mercury Sable.

  • Constructed from durable EPDM material for heat and chemical resistance
  • Dual inside diameter hose with 19/32 inch and 23/32 inch ends for versatile fitment
  • Includes a protective sleeve to guard against abrasion and wear
  • Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • Compatible with Ford Taurus and Mercury Sable HVAC systems

Detailed Product Description

The Dayco Small I.D. Heater Hose 86065 is part of the Small I.D. Heater Hose product line, which focuses on delivering precise fit and reliable performance for HVAC applications. This hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for heater core connections. The dual inside diameter design, with one end measuring 19/32 inch and the other 23/32 inch, allows for secure connections in HVAC systems requiring different hose sizes. Additionally, the hose includes a protective sleeve to enhance durability by preventing abrasion damage during installation and operation.

Applications and Common Issues Addressed

  • Replacement of worn or cracked heater hoses in Ford Taurus and Mercury Sable models
  • Prevention of coolant leaks that can cause HVAC system inefficiency
  • Restoration of proper coolant flow to the heater core for effective cabin heating
  • Mitigation of hose degradation due to heat and chemical exposure
  • Addressing hose fitment issues caused by incorrect diameter hoses

Installation Notes and Tips

  • Ensure the hose ends match the specified inside diameters (19/32 inch and 23/32 inch) for proper fit
  • Inspect surrounding components for wear or damage before installation
  • Use appropriate clamps to secure the hose and prevent leaks
  • Verify that the protective sleeve is positioned correctly to avoid abrasion
  • Follow vehicle manufacturer guidelines for HVAC hose replacement procedures

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 86065 to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for heater hoses. The use of EPDM material and protective sleeve contributes to the hose's durability and resistance to environmental factors. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to maintain reliability in automotive HVAC applications.

BrandDayco
Part Number86065
PositionSmall I.D. Heater Hose, Thermostat To Heater
ColorBlack
Contains Protective SleeveY
End 1 Inside Diameter19/32
End 2 Inside Diameter23/32
Hose TypeDual I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R3 Class D-1, SAE J1684 Type EC
Trunk Height19

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995FordTaurus3.8LV6Thermostat To Heaterw/o Auto Temp. Control; Small I.D. Heater Hose
1995MercurySable3.8LV6Thermostat To Heaterw/o Auto Temp. Control; Small I.D. Heater Hose
1994FordTaurus3.8LV6Heater To Enginew/o Auto Temp. Control; Small I.D. Heater Hose
1994MercurySable3.8LV6Heater To Enginew/o Auto Temp. Control; Small I.D. Heater Hose
1993FordTaurus3.8LV6Heater To Enginew/o Auto Temp. Control; Small I.D. Heater Hose
1993MercurySable3.8LV6Heater To Enginew/o Auto Temp. Control; Small I.D. Heater Hose
1992FordTaurus3.8LV6Heater To Enginew/o Auto Temp. Control; Small I.D. Heater Hose
1992MercurySable3.8LV6Heater To Enginew/o Auto Temp. Control; Small I.D. Heater Hose
1991FordTaurus3.8LV6Heater To EngineSmall I.D. Heater Hose
1991MercurySable3.8LV6Heater To EngineSmall 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:

18035L

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