HomeHVAC > Hoses and PipesDayco 86051 HVAC Heater Hose - Heater Hose
Part #: 86051

Dayco 86051 HVAC Heater Hose - Heater Hose

Small I.D. Heater Hose, Heater Hose
⚙️ 67 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Small I.D. Heater Hose, Heater Hose
🚗Fitment: Acura, Honda, Nissan, and Oldsmobile, Integra, Prelude, Civic, Accord, Stanza, Cutlass, Cutlass Salon, Cutlass Supreme, Cutlass Tiara, Vista Cruiser, and F85
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Overview of Dayco Small I.D. Heater Hose 86051

The Dayco Small I.D. Heater Hose 86051 is designed for reliable HVAC system performance in select Acura, Honda, and Oldsmobile vehicles. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.

  • Constructed from EPDM for heat and chemical resistance
  • Black single inside diameter hose with 5/8 inch ID on both ends
  • Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 16 inches for precise fitment
  • Compatible with Acura, Honda, and Oldsmobile models including Accord, Civic, Cutlass, Cutlass Salon, Cutlass Supreme, Integra, and Prelude

Details on the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on single inside diameter hoses designed to meet specific HVAC system requirements. This product line emphasizes compliance with SAE standards such as J20R3 Class D-1 and J1684 Type EC, ensuring durability and proper fitment in various vehicle models. The 86051 part number represents a hose optimized for applications requiring a 5/8 inch inside diameter on both ends without additional heat shields or protective sleeves.

Technical Description and Specifications

The Dayco 86051 heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for HVAC heater core connections. Both ends of the hose have a 5/8 inch inside diameter, facilitating a secure and leak-resistant connection. The hose is black in color and does not include a heat shield or protective sleeve, which is typical for applications where additional protection is not required. With a trunk height of 16 inches, this hose fits specific routing paths in compatible vehicles.

Applications and Common Issues Addressed

  • Replacement of cracked or leaking heater hoses in Acura Accord and Honda Civic HVAC systems
  • Resolving coolant leaks causing insufficient cabin heating in Oldsmobile Cutlass and Cutlass Supreme
  • Addressing hose degradation due to heat exposure in Honda Integra and Prelude models
  • Fixing HVAC system pressure loss related to worn or damaged heater hoses
  • Ensuring proper coolant flow to the heater core for consistent vehicle interior temperature control

Installation Notes and Tips

  • Verify hose length and inside diameter compatibility with your vehicle’s HVAC system before installation
  • Ensure clamps are properly tightened to prevent leaks without damaging the hose
  • Inspect surrounding components for wear or damage during replacement
  • Flush the cooling system if contamination or debris is present before installing the new hose
  • Use appropriate tools to avoid kinking or twisting the hose during installation

Quality Assurance and Warranty

Dayco’s Small I.D. Heater Hose 86051 is manufactured to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring consistent quality and performance. The EPDM material provides durability against heat and chemical exposure typical in automotive HVAC systems. Warranty details should be confirmed with the original equipment manufacturer or supplier, as coverage may vary based on application and installation conditions.

BrandDayco
Part Number86051
PositionSmall I.D. Heater Hose, Heater Hose
ColorBlack
End 1 Inside Diameter5/8
End 2 Inside Diameter5/8
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R3 Class D-1, SAE J1684 Type EC
Trunk Height16

This part fits 67 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2001AcuraIntegra1.8LL4N/ASmall I.D. Heater Hose
2000AcuraIntegra1.8LL4N/ASmall I.D. Heater Hose
1999AcuraIntegra1.8LL4N/ASmall I.D. Heater Hose
1998AcuraIntegraGS1.8LL4N/ASmall I.D. Heater Hose
1998AcuraIntegraLS1.8LL4N/ASmall I.D. Heater Hose
1997AcuraIntegraGS1.8LL4N/ASmall I.D. Heater Hose
1997AcuraIntegraLS1.8LL4N/ASmall I.D. Heater Hose
1996AcuraIntegraLS1.8LL4N/ASmall I.D. Heater Hose
1996HondaPrelude2.3LL4N/ASmall I.D. Heater Hose
1996HondaPreludeS2.2LL4N/ASmall I.D. Heater Hose
1995AcuraIntegraLS1.8LL4N/ASmall I.D. Heater Hose
1995HondaCivicVX1.5LL4N/ASmall I.D. Heater Hose
1995HondaPrelude2.3LL4N/ASmall I.D. Heater Hose
1995HondaPreludeS2.2LL4N/ASmall I.D. Heater Hose
1994AcuraIntegraLS1.8LL4N/ASmall I.D. Heater Hose
1994HondaCivicVX1.5LL4N/ASmall I.D. Heater Hose
1994HondaPrelude2.3LL4N/ASmall I.D. Heater Hose
1994HondaPreludeS2.2LL4N/ASmall I.D. Heater Hose
1993HondaAccordN/ASmall I.D. Heater Hose
1993HondaPrelude2.3LL4N/ASmall I.D. Heater Hose
1993HondaPreludeS2.2LL4N/ASmall I.D. Heater Hose
1992HondaAccordN/ASmall I.D. Heater Hose
1992HondaCivicVX1.5LL4N/ASmall I.D. Heater Hose
1992HondaPrelude2.2LL4N/ASmall I.D. Heater Hose
1992HondaPrelude2.3LL4N/ASmall I.D. Heater Hose
1991HondaAccordN/ASmall I.D. Heater Hose
1990HondaAccordN/ASmall I.D. Heater Hose
1989AcuraIntegraN/ASmall I.D. Heater Hose
1988AcuraIntegraN/ASmall I.D. Heater Hose
1987AcuraIntegraN/ASmall I.D. Heater Hose
1986AcuraIntegraN/ASmall I.D. Heater Hose
1977OldsmobileCutlass4.3LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1977OldsmobileCutlass5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1977OldsmobileCutlass6.6LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1977OldsmobileCutlass Salon4.3LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1977OldsmobileCutlass Salon5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1977OldsmobileCutlass Salon6.6LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1977OldsmobileCutlass Supreme4.3LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1977OldsmobileCutlass Supreme5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1977OldsmobileCutlass Supreme6.6LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1976OldsmobileCutlass4.3LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1976OldsmobileCutlass5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1976OldsmobileCutlass7.5LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1976OldsmobileCutlass Salon4.3LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1976OldsmobileCutlass Salon5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1976OldsmobileCutlass Salon7.5LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1976OldsmobileCutlass Supreme4.3LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1976OldsmobileCutlass Supreme5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1976OldsmobileCutlass Supreme7.5LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1975OldsmobileCutlass4.3LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1975OldsmobileCutlass5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1975OldsmobileCutlass Salon4.3LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1975OldsmobileCutlass Salon5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1975OldsmobileCutlass Supreme4.3LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1975OldsmobileCutlass Supreme5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1974OldsmobileCutlass7.5LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1974OldsmobileCutlass5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1974OldsmobileCutlass Supreme7.5LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1974OldsmobileCutlass Supreme5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1973OldsmobileCutlass7.5LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1973OldsmobileCutlass5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1973OldsmobileCutlass Supreme7.5LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1973OldsmobileCutlass Supreme5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1972OldsmobileCutlass7.5LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1972OldsmobileCutlass5.7LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1972OldsmobileCutlass Supreme7.5LV8Heater HoseCurved, 5/8 In. ID; Small I.D. Heater Hose
1972OldsmobileCutlass Supreme5.7LV8Heater HoseCurved, 5/8 In. ID; 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:

16092M

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