HomeHVAC > Hoses and PipesDayco 87786 HVAC Heater Hose - Heater To Engine
Part #: 87786

Dayco 87786 HVAC Heater Hose - Heater To Engine

Small I.D. Heater Hose, Heater To Engine
⚙️ 87 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Small I.D. Heater Hose, Heater To Engine
🚗Fitment: Ford, Lincoln, and Nissan, Fusion, Mustang, Escape, Explorer, MKC, Edge, Focus, Special Service Police Sedan, MKZ, Taurus, MKT, Frontier, and Xterra
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Overview of Dayco Small I.D. Heater Hose 87786

The Dayco Small I.D. Heater Hose 87786 is designed for reliable HVAC system performance in select Ford, Lincoln, and Nissan vehicles. Engineered with durable EPDM material, this black single inside diameter hose ensures consistent heat transfer and fluid flow for your vehicle's heating system.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Black color for standard OEM appearance
  • 5/8 inch inside diameter on both ends for uniform fit
  • Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose type for precise HVAC applications
  • Trunk height of 14 inches for proper routing and installation

Detailed Product Description

The Dayco Small I.D. Heater Hose 87786 is part of the Small I.D. Heater Hose product line, which focuses on delivering precise fit and reliable performance for HVAC systems requiring smaller diameter hoses. This hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for the demanding environment of vehicle heating systems. The hose features a consistent 5/8 inch inside diameter on both ends, ensuring compatibility with OEM fittings and maintaining proper coolant flow.

Designed without a heat shield or protective sleeve, this hose is intended for applications where additional protection is not required. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heater hose applications. The 14-inch trunk height dimension supports proper installation and routing within the HVAC system.

Compatible Vehicles and Applications

This Dayco heater hose is compatible with a range of Ford, Lincoln, and Nissan models, including the Ford Edge, Escape, Explorer, Focus, Fusion, Mustang, Taurus; Lincoln MKC, MKT, MKZ; and Nissan Frontier, Xterra. The part number 87786 ensures you receive the correct hose designed specifically for these vehicles' HVAC systems.

  • Replaces worn or cracked heater hoses causing coolant leaks
  • Restores proper heater core fluid flow for effective cabin heating
  • Prevents overheating issues related to faulty heater hoses
  • Eliminates coolant odor inside the vehicle due to hose deterioration
  • Addresses HVAC system malfunctions linked to hose failure

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 87786, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose routing matches OEM specifications to avoid kinks or interference with other components. Use appropriate clamps to secure the hose ends and check for leaks after installation. The 5/8 inch inside diameter on both ends facilitates straightforward replacement without modification.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87786 to meet stringent SAE standards, ensuring durability and performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand's commitment to reliability.

BrandDayco
Part Number87786
PositionSmall I.D. Heater Hose, Heater To Engine
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 Height14

This part fits 87 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2023FordMustang2.3LL4N/ASmall I.D. Heater Hose
2022FordMustang2.3LL4N/ASmall I.D. Heater Hose
2021FordMustang2.3LL4N/ASmall I.D. Heater Hose
2020FordFusion2.5LL4N/ASmall I.D. Heater Hose
2020FordFusion2.0LL4N/ASmall I.D. Heater Hose
2020FordMustang2.3LL4N/ASmall I.D. Heater Hose
2019FordEscape2.0LL4N/ASmall I.D. Heater Hose
2019FordExplorer2.3LL4N/ASmall I.D. Heater Hose
2019FordFusion2.5LL4N/ASmall I.D. Heater Hose
2019FordFusion2.0LL4N/ASmall I.D. Heater Hose
2019FordMustang2.3LL4N/ASmall I.D. Heater Hose
2019LincolnMKC2.0LL4N/ASmall I.D. Heater Hose
2019LincolnMKC2.3LL4N/ASmall I.D. Heater Hose
2018FordEdge2.0LL4N/ASmall I.D. Heater Hose
2018FordEscape2.0LL4N/ASmall I.D. Heater Hose
2018FordExplorer2.3LL4N/ASmall I.D. Heater Hose
2018FordFocus2.0LL4N/ASmall I.D. Heater Hose
2018FordFusion2.5LL4N/ASmall I.D. Heater Hose
2018FordFusion2.0LL4N/ASmall I.D. Heater Hose
2018FordMustang2.3LL4N/ASmall I.D. Heater Hose
2018LincolnMKC2.0LL4N/ASmall I.D. Heater Hose
2018LincolnMKC2.3LL4N/ASmall I.D. Heater Hose
2018LincolnMKZ2.0LL4N/ASmall I.D. Heater Hose
2017FordEdge2.0LL4N/ASmall I.D. Heater Hose
2017FordEscape2.0LL4N/ASmall I.D. Heater Hose
2017FordExplorer2.3LL4N/ASmall I.D. Heater Hose
2017FordFocus2.0LL4N/ASmall I.D. Heater Hose
2017FordFocus2.3LL4N/ASmall I.D. Heater Hose
2017FordFusion2.5LL4N/ASmall I.D. Heater Hose
2017FordFusion2.0LL4N/ASmall I.D. Heater Hose
2017FordMustang2.3LL4N/ASmall I.D. Heater Hose
2017FordTaurus2.0LL4N/ASmall I.D. Heater Hose
2017LincolnMKC2.0LL4N/ASmall I.D. Heater Hose
2017LincolnMKC2.3LL4N/ASmall I.D. Heater Hose
2017LincolnMKZ2.0LL4N/ASmall I.D. Heater Hose
2016FordEdge2.0LL4N/ASmall I.D. Heater Hose
2016FordEscape2.0LL4N/ASmall I.D. Heater Hose
2016FordExplorer2.3LL4N/ASmall I.D. Heater Hose
2016FordFocus2.0LL4N/ASmall I.D. Heater Hose
2016FordFocus2.3LL4N/ASmall I.D. Heater Hose
2016FordFusion2.5LL4N/ASmall I.D. Heater Hose
2016FordFusion2.0LL4N/ASmall I.D. Heater Hose
2016FordMustang2.3LL4N/ASmall I.D. Heater Hose
2016FordTaurus2.0LL4N/ASmall I.D. Heater Hose
2016LincolnMKC2.0LL4N/ASmall I.D. Heater Hose
2016LincolnMKC2.3LL4N/ASmall I.D. Heater Hose
2016LincolnMKT2.0LL4N/ASmall I.D. Heater Hose
2016LincolnMKZ2.0LL4N/ASmall I.D. Heater Hose
2015FordEscape2.0LL4N/ASmall I.D. Heater Hose
2015FordExplorer2.0LL4N/ASmall I.D. Heater Hose
2015FordFocus2.0LL4N/ASmall I.D. Heater Hose
2015FordFusion2.5LL4N/ASmall I.D. Heater Hose
2015FordFusion2.0LL4N/ASmall I.D. Heater Hose
2015FordMustang2.3LL4N/ASmall I.D. Heater Hose
2015FordTaurus2.0LL4N/ASmall I.D. Heater Hose
2015LincolnMKC2.0LL4N/ASmall I.D. Heater Hose
2015LincolnMKC2.3LL4N/ASmall I.D. Heater Hose
2015LincolnMKZ2.0LL4N/ASmall I.D. Heater Hose
2014FordEscape2.0LL4N/ASmall I.D. Heater Hose
2014FordExplorer2.0LL4N/ASmall I.D. Heater Hose
2014FordFocus2.0LL4N/ASmall I.D. Heater Hose
2014FordFusion2.5LL4N/ASmall I.D. Heater Hose
2014FordFusion2.0LL4N/ASmall I.D. Heater Hose
2014FordTaurus2.0LL4N/ASmall I.D. Heater Hose
2013FordEdge2.0LL4N/ASmall I.D. Heater Hose
2013FordEscape2.0LL4N/ASmall I.D. Heater Hose
2013FordExplorer2.0LL4N/ASmall I.D. Heater Hose
2013FordFocus2.0LL4N/ASmall I.D. Heater Hose
2013FordFusion2.5LL4N/ASmall I.D. Heater Hose
2013FordFusion2.0LL4N/ASmall I.D. Heater Hose
2013FordTaurus2.0LL4N/ASmall I.D. Heater Hose
2013LincolnMKT2.0LL4N/ASmall I.D. Heater Hose
2013LincolnMKZ2.0LL4N/ASmall I.D. Heater Hose
2012FordEdge2.0LL4N/ASmall I.D. Heater Hose
2012FordExplorer2.0LL4N/ASmall I.D. Heater Hose
2004NissanFrontier2.4LL4Heater To EngineSmall I.D. Heater Hose
2004NissanXterra2.4LL4Heater To EngineSmall I.D. Heater Hose
2003NissanFrontier2.4LL4Heater To EngineSmall I.D. Heater Hose
2003NissanXterra2.4LL4Heater To EngineSmall I.D. Heater Hose
2002NissanFrontier2.4LL4Heater To EngineSmall I.D. Heater Hose
2002NissanXterra2.4LL4Heater To EngineSmall I.D. Heater Hose
2001NissanFrontier2.4LL4Heater To EngineSmall I.D. Heater Hose
2001NissanXterra2.4LL4Heater To EngineSmall I.D. Heater Hose
2000NissanFrontier2.4LL4Heater To EngineSmall I.D. Heater Hose
2000NissanXterra2.4LL4Heater To EngineSmall I.D. Heater Hose
1999NissanFrontier2.4LL4Heater To EngineSmall I.D. Heater Hose
1998NissanFrontierHeater 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:

18204L

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