HomeHVAC > Hoses and PipesDayco 86118 HVAC Heater Hose - Engine To Connector, Restrictor To Engine or Tee To Engine (Inlet)
Part #: 86118

Dayco 86118 HVAC Heater Hose - Engine To Connector, Restrictor To Engine or Tee To Engine (Inlet)

Small I.D. Heater Hose, Tee To Engine (Inlet), Engine To Connector, and Restrictor To Engine
⚙️ 17 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Small I.D. Heater Hose, Tee To Engine (Inlet), Engine To Connector, and Restrictor To Engine
🚗Fitment: Dodge, Ram 1500, Ram 2500, and Ram 3500
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Overview of Dayco Small I.D. Heater Hose 86118

The Dayco Small I.D. Heater Hose 86118 is designed for reliable HVAC system performance in Dodge Ram trucks. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids. It is specifically compatible with Dodge Ram 1500, Ram 2500, and Ram 3500 models.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Black color for standard OEM appearance
  • 5/8 inch inside diameter on both ends for consistent fit
  • Single inside diameter hose type for straightforward installation
  • Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 11 inches for precise fitment
  • Compatible with Dodge Ram 1500, 2500, and 3500 models

About the Small I.D. Heater Hose Product Line

The Dayco Small I.D. Heater Hose line focuses on providing hoses with smaller inside diameters tailored for HVAC applications in various vehicles. This product line emphasizes compliance with SAE standards to ensure durability and proper fitment. The 86118 hose is part of this line, offering a reliable replacement option for Dodge Ram trucks requiring a 5/8 inch inside diameter heater hose.

Detailed Product Description

The Dayco 86118 heater hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The hose features a uniform 5/8 inch inside diameter on both ends, making it suitable for HVAC heater core connections in Dodge Ram 1500, 2500, and 3500 models. It does not include a heat shield or protective sleeve, which aligns with its design for standard HVAC system requirements. The hose meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications, ensuring it adheres to industry standards for heater hoses. With a trunk height of 11 inches, it fits precisely within the designated routing paths of the specified Dodge Ram trucks.

Common Applications and Issues Addressed

  • Replacement of worn or cracked heater hoses in Dodge Ram 1500, 2500, and 3500 HVAC systems
  • Resolving coolant leaks that affect cabin heating performance
  • Preventing overheating issues caused by compromised heater hoses
  • Maintaining proper coolant flow to the heater core
  • Ensuring HVAC system reliability during seasonal temperature changes

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 86118, ensure the hose routing matches the original equipment path to avoid kinks or interference with other engine components. Verify that the 5/8 inch inside diameter matches the vehicle’s heater core and engine fittings. Use appropriate clamps to secure the hose ends firmly, preventing leaks. Inspect surrounding components for wear or damage during replacement to maintain overall HVAC system integrity.

Quality Assurance and Warranty

Dayco manufactures the 86118 heater hose to meet SAE specifications, ensuring consistent quality and performance. The EPDM material provides durability against heat and chemical exposure typical in automotive HVAC systems. While specific warranty details are not provided, Dayco products generally adhere to industry standards for reliability and longevity.

BrandDayco
Part Number86118
PositionSmall I.D. Heater Hose, Tee To Engine (Inlet), Engine To Connector, and Restrictor To Engine
MaterialEpdm
ColorBlack
End 1 Inside Diameter5/8
End 2 Inside Diameter5/8
Contains Heat ShieldN
Contains Protective SleeveN
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r3 class d-1, sae j1684 type ec
Trunk Height11

This part fits 17 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000DodgeRam 15005.2LV8Restrictor To EngineSmall I.D. Heater Hose
1999DodgeRam 15005.2LV8Restrictor To EngineSmall I.D. Heater Hose
1998DodgeRam 15005.2LV8Restrictor To EngineSmall I.D. Heater Hose
1997DodgeRam 15005.2LV8Restrictor To EngineSmall I.D. Heater Hose
1996DodgeRam 15005.2LV8Engine To ConnectorSmall I.D. Heater Hose
1996DodgeRam 25005.2LV8Engine To ConnectorSmall I.D. Heater Hose
1995DodgeRam 15005.2LV8Engine To ConnectorSmall I.D. Heater Hose
1995DodgeRam 15005.9LV8Engine To ConnectorSmall I.D. Heater Hose
1995DodgeRam 25005.2LV8Engine To ConnectorSmall I.D. Heater Hose
1995DodgeRam 25005.9LV8Engine To ConnectorSmall I.D. Heater Hose
1995DodgeRam 35005.9LV8Engine To ConnectorSmall I.D. Heater Hose
1994DodgeRam 15003.9LV6Tee To Engine (Inlet)Small I.D. Heater Hose
1994DodgeRam 15005.2LV8Tee To Engine (Inlet)Small I.D. Heater Hose
1994DodgeRam 15005.9LV8Tee To Engine (Inlet)Small I.D. Heater Hose
1994DodgeRam 25005.2LV8Tee To Engine (Inlet)Small I.D. Heater Hose
1994DodgeRam 25005.9LV8Tee To Engine (Inlet)Small I.D. Heater Hose
1994DodgeRam 35005.9LV8Tee To Engine (Inlet)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:

55036413

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