Gates 18755 HVAC Heater Hose - Tee-1 To Auxiliary Heater Pipe-1 or Valve To Engine
OE Quality 60-Day Returns
Gates
 Molded Heater Hose

Gates 18755 HVAC Heater Hose - Tee-1 To Auxiliary Heater Pipe-1 or Valve To Engine

Brand Gates 18755
Position Valve To Engine
0
Yes
Branch Quantity 0
Centerline Length 10.1
Centerline Length 257
Centerline Length (in) 10.1
Centerline Length (mm) 257
End 1 Inside Diameter .62
End 1 Inside Diameter 16
End 2 Inside Diameter .69
End 2 Inside Diameter 18
Material EPDM
Molded Yes
Number of Quick Connect Fittings 0
Product line Molded Heater Hose
Fits Toyota · 14 vehicles

OEM-style molded hose. Factory-molded for a precise, ready-to-fit replacement.

EPDM construction. Resists heat and wear for coolant, water, and air use.

Versatile application. Approved for marine service as well as HVAC use.

Cross-references CSF 10755, Dayco 87639 and Gates 18755 for the same application. See all 7.

$29.04Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $29.04
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all HVAC Heater Hose options

Gates Molded Heater Hose for Toyota Applications

The Gates 18755 molded heater hose is an OEM-style coolant hose built for tight engine compartments where a formed routing path matters. It is made from EPDM and is approved for coolant, water, air, and marine applications.

Key Features

  • Factory-molded design for accurate hose routing
  • EPDM construction for heater and coolant service
  • Small I.D. hose profile for compact engine bays
  • End 1 inside diameter: 0.62 in. (16 mm)
  • End 2 inside diameter: 0.69 in. (18 mm)
  • Centerline length: 10.1 in. (257 mm)
  • Gates molded heater hose 18755 for OE-style replacement

Product Details

Gates Molded Heater Hose line products are built to match the shape and routing needs of modern and older compact engine layouts. Part number 18755 is a molded heater hose with a 10.1-inch centerline length and stepped inside diameters that support the factory hose path on select Toyota cooling and heater circuits. This Gates 18755 hose is listed for 1985-1989 Toyota 4Runner and Toyota Pickup at Tee-1 to Auxiliary Heater Pipe-1, plus 1990-1991 Toyota 4Runner and 1990-1991 Toyota Pickup at Valve to Engine positions.

This part cross-references Dayco 87639 for the same application.

What It Helps Address

  • Cracked or hardened heater hose material
  • Coolant seepage at a formed hose section
  • Poor hose routing in tight engine compartments
  • Heat-related hose deformation
  • Service replacement for a molded Toyota heater hose path

Installation Notes and Tips

Verify the hose routing, end diameters, and centerline length against the original part before installation. Confirm the vehicle position listed for your application: 1985-1989 Toyota 4Runner, Tee-1 to Auxiliary Heater Pipe-1; 1985-1989 Toyota Pickup, Tee-1 to Auxiliary Heater Pipe-1; 1990-1991 Toyota 4Runner, Valve to Engine; 1990 Toyota Pickup, Valve to Engine; and 1991 Toyota Pickup, Valve to Engine. Inspect adjoining clamps, pipes, and fittings for wear or corrosion before reassembly.

Quality Assurance

Gates manufactures this molded heater hose as an OE-style replacement part for coolant, water, air, and marine service. The molded EPDM construction and factory-formed shape support consistent fitment on the specified Toyota 4Runner and Toyota Pickup applications.

Related reading

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
1991Toyota4Runner3.0LV6GASValve To EngineW/O Aux. Heater; Molded Heater Hose
1991ToyotaPickup3.0LV6GASValve To EngineW/O Aux. Heater; Molded Heater Hose
1990Toyota4Runner3.0LV6GASValve To EngineW/O Aux. Heater; Molded Heater Hose
1990ToyotaPickup3.0LV6GASValve To EngineMolded Heater Hose
1989Toyota4Runner2.4LL4GASTee-1 To Auxiliary Heater Pipe-1Molded Heater Hose
1989ToyotaPickup2.4LL4GASTee-1 To Auxiliary Heater Pipe-1Molded Heater Hose
1988Toyota4Runner2.4LL4GASTee-1 To Auxiliary Heater Pipe-1Molded Heater Hose
1988ToyotaPickup2.4LL4GASTee-1 To Auxiliary Heater Pipe-1Molded Heater Hose
1987Toyota4Runner2.4LL4GASTee-1 To Auxiliary Heater Pipe-1Molded Heater Hose
1987ToyotaPickup2.4LL4GASTee-1 To Auxiliary Heater Pipe-1Molded Heater Hose
1986Toyota4Runner2.4LL4GASTee-1 To Auxiliary Heater Pipe-1Molded Heater Hose
1986ToyotaPickup2.4LL4GASTee-1 To Auxiliary Heater Pipe-1Molded Heater Hose
1985Toyota4Runner2.4LL4GASTee-1 To Auxiliary Heater Pipe-1Molded Heater Hose
1985ToyotaPickup2.4LL4GASTee-1 To Auxiliary Heater Pipe-1Molded Heater Hose
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
CSF — 10755Dayco — 87639Gates — 1875514092S643988724589286B87639