HomeHVAC > Hoses and PipesDayco 87793 HVAC Heater Hose - Heater To Intake Manifold, Heater To Pipe or Pipe To Heater
Part #: 87793

Dayco 87793 HVAC Heater Hose - Heater To Intake Manifold, Heater To Pipe or Pipe To Heater

Small I.D. Heater Hose, Pipe To Heater, Heater To Intake Manifold, and Heater To Pipe
⚙️ 36 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$34.06Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Small I.D. Heater Hose, Pipe To Heater, Heater To Intake Manifold, and Heater To Pipe
🚗Fitment: Ford and Lincoln, Blackwood, Expedition, F-150, F-350 Super Duty, and Navigator
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable HVAC Heater Hose for Ford and Lincoln Vehicles

The Dayco Small I.D. Heater Hose 87793 is designed to provide dependable performance in the heating and cooling systems of select Ford and Lincoln models. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.

  • Constructed from high-quality EPDM rubber for heat and chemical resistance
  • Black color for standard OEM appearance
  • 3/4 inch inside diameter on both ends for precise fitment
  • Single inside diameter hose type for streamlined installation
  • Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
  • Compatible with Ford Blackwood, Expedition, F-150, F-350 Super Duty, and Lincoln Navigator

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

The Small I.D. Heater Hose line by Dayco focuses on delivering hoses with smaller inside diameters tailored for specific HVAC applications. This product line emphasizes compliance with SAE standards to ensure durability and proper fitment in heating systems. The 87793 hose exemplifies this approach by offering a precise 3/4 inch inside diameter on both ends, suitable for various Ford and Lincoln vehicles requiring reliable heater hose replacements.

Product Details and Specifications

The Dayco 87793 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 systems. The hose is black in color and features a single inside diameter design with 3/4 inch openings on both ends, facilitating a secure connection within the heating system. It does not include a heat shield or protective sleeve, which is typical for this hose type. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses.

Applications and Common Issues Addressed

  • Replacement of worn or cracked heater hoses in Ford F-150 and F-350 Super Duty models
  • Resolving coolant leaks in the heating system of Lincoln Navigator vehicles
  • Maintaining proper coolant flow in Ford Expedition HVAC systems
  • Preventing overheating issues caused by damaged heater hoses in Ford Blackwood
  • Ensuring reliable heater hose performance in Lincoln Navigator and Ford trucks

Installation Notes and Tips

When installing the Dayco 87793 heater hose, ensure the hose is routed correctly to avoid kinks or sharp bends that could restrict coolant flow. Verify that the 3/4 inch inside diameter matches the vehicle’s heater core and fitting sizes. Use appropriate clamps to secure the hose ends firmly and check for leaks after installation. This hose does not include a heat shield or protective sleeve, so take care to avoid contact with high-temperature engine components.

Quality Assurance and Warranty

Dayco manufactures the 87793 heater hose to meet strict SAE specifications, ensuring consistent quality and durability. While specific warranty details are not provided, Dayco products typically adhere to industry standards for reliability in automotive HVAC applications.

BrandDayco
Part Number87793
PositionSmall I.D. Heater Hose, Pipe To Heater, Heater To Intake Manifold, and Heater To Pipe
MaterialEpdm
ColorBlack
End 1 Inside Diameter3/4
End 2 Inside Diameter3/4
Contains Heat ShieldN
Contains Protective SleeveN
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r3 class d-1, sae j1684 type ec
Trunk Height21

This part fits 36 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2004LincolnNavigatorPipe To HeaterSmall I.D. Heater Hose
2003FordExpedition5.4LV8Pipe To HeaterSmall I.D. Heater Hose
2003FordF-1504.6LV8Heater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2003FordF-1505.4LV8CNGHeater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2003FordF-1505.4LV8BI-FUELHeater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2003FordF-1505.4LV8GASHeater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2003LincolnNavigatorPipe To HeaterSmall I.D. Heater Hose
2002FordExpedition5.4LV8Pipe To HeaterWithout auxiliary heater; Small I.D. Heater Hose
2002FordF-1504.6LV8Heater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2002FordF-1505.4LV8CNGHeater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2002FordF-1505.4LV8BI-FUELHeater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2002FordF-1505.4LV8GASHeater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2002FordF-350 Super Duty5.4LV8Pipe To HeaterSmall I.D. Heater Hose
2002LincolnBlackwoodPipe To HeaterSmall I.D. Heater Hose
2002LincolnNavigatorPipe To HeaterSmall I.D. Heater Hose
2001FordExpedition5.4LV8Pipe To HeaterWithout auxiliary heater; Small I.D. Heater Hose
2001FordF-1504.6LV8Heater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2001FordF-1505.4LV8CNGHeater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2001FordF-1505.4LV8BI-FUELHeater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2001FordF-1505.4LV8GASHeater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2001FordF-1505.4LV8GASPipe To HeaterSmall I.D. Heater Hose
2001LincolnNavigatorPipe To HeaterSmall I.D. Heater Hose
2000FordExpedition5.4LV8Pipe To HeaterWithout auxiliary heater; Small I.D. Heater Hose
2000FordF-1504.6LV8Heater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2000FordF-1505.4LV8CNGHeater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2000FordF-1505.4LV8BI-FUELHeater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2000FordF-1505.4LV8GASHeater To Intake Manifoldw/Quick Connect; Small I.D. Heater Hose
2000FordF-1505.4LV8GASPipe To HeaterSmall I.D. Heater Hose
2000LincolnNavigatorPipe To HeaterSmall I.D. Heater Hose
1999FordExpedition5.4LV8Pipe To HeaterWithout auxiliary heater; Small I.D. Heater Hose
1999FordF-1505.4LV8Pipe To HeaterSmall I.D. Heater Hose
1999LincolnNavigatorPipe To HeaterWithout auxiliary heater; Small I.D. Heater Hose
1999LincolnNavigatorHeater To PipeWithout auxiliary heater; Small I.D. Heater Hose
1998FordExpedition5.4LV8Pipe To HeaterWithout auxiliary heater; Small I.D. Heater Hose
1998LincolnNavigatorHeater To PipeWithout auxiliary heater; Small I.D. Heater Hose
1997FordExpedition5.4LV8Pipe To HeaterWithout auxiliary 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:

18292L

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