HomeBelts and Cooling > Hoses and PipesGates 21184 Radiator Coolant Hose
Part #: 21184

Gates 21184 Radiator Coolant Hose

Molded Coolant Hose, Pipe-1 To Throttle Body (Front), Pipe To Throttle Body (Front), Pipe-3 To Oil Cooler, and Tee-1 To Auxiliary Heater Pipe-1
⚙️ 41 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Pipe-1 To Throttle Body (Front), Pipe To Throttle Body (Front), Pipe-3 To Oil Cooler, and Tee-1 To Auxiliary Heater Pipe-1
🚗Fitment: Buick, Cadillac, Chevrolet, Honda, Oldsmobile, and Toyota, 4Runner, Cavalier, Celica, Century, Cimarron, Corolla, Cutlass Calais, Cutlass Ciera, Cutlass Cruiser, Firenza, Land Cruiser, Pickup, Prelude, and Skylark
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Reliable Radiator Coolant Hose for Select Vehicle Models

The Gates Molded Coolant Hose part number 21184 is engineered to provide dependable coolant flow for a range of vehicles including Buick, Cadillac, Chevrolet, Honda, Oldsmobile, and Toyota models. Designed with durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Molded design for precise fit and secure connections
  • Centerline length of 104 mm (4.1 inches) for accurate installation
  • Compatible with multiple makes and models such as Toyota 4Runner, Chevrolet Cavalier, and Honda Prelude
  • Part number 21184 for easy identification and replacement

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to exact specifications, reducing installation time and improving fitment accuracy. This molded design eliminates the need for bending or shaping during installation, which helps maintain hose integrity and prevents leaks. Part number 21184 is part of this line, offering a reliable solution for radiator coolant routing in various passenger vehicles.

Product Specifications and Features

This radiator coolant hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. The hose features molded ends with inside diameters of 13 mm (0.5 inches) on both ends, ensuring a secure connection to the cooling system components. With a centerline length of 104 mm (4.1 inches), it fits precisely within the cooling system layout without requiring modifications. The hose does not contain any springs or quick connect fittings, simplifying its design and installation.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in Buick Century and Oldsmobile Firenza
  • Addressing coolant leaks caused by deteriorated or misshaped hoses in Toyota Corolla and Land Cruiser
  • Restoring proper coolant flow in Chevrolet Cutlass Calais and Cadillac Cimarron cooling systems
  • Preventing overheating issues related to compromised hose integrity in Honda Prelude and Skylark
  • Ensuring reliable coolant circulation in Chevrolet Pickup and Toyota 4Runner vehicles

Installation Notes and Tips

Before installation, verify the hose dimensions and part number 21184 to ensure compatibility with your vehicle. The molded design allows for straightforward installation without the need for bending or shaping. Inspect the cooling system connections for corrosion or damage and clean mating surfaces before attaching the hose. Use appropriate clamps to secure the hose ends firmly, preventing leaks and maintaining system pressure.

Quality Assurance and Warranty

Gates Molded Coolant Hose part number 21184 is manufactured to meet or exceed OEM specifications for durability and performance. The EPDM material provides resistance to heat and coolant chemicals, contributing to long service life. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Buick, Cadillac, Chevrolet, Honda, Oldsmobile, and Toyota models.

BrandGates
Part Number21184
PositionMolded Coolant Hose, Pipe-1 To Throttle Body (Front), Pipe To Throttle Body (Front), Pipe-3 To Oil Cooler, and Tee-1 To Auxiliary Heater Pipe-1
MaterialEpdm
End 1 Inside Diameter.5
End 1 Inside Diameter13
End 2 Inside Diameter.5
End 2 Inside Diameter13
Contains SpringNo
Centerline Length104
Centerline Length4.1
Branch Quantity0
9839Yes
98450
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 41 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
1996HondaPrelude2.2LL4GASPipe-3 To Oil CoolerMolded Coolant Hose
1996HondaPrelude2.3LL4GASPipe-3 To Oil CoolerMolded Coolant Hose
1995HondaPrelude2.2LL4GASPipe-3 To Oil CoolerMolded Coolant Hose
1995HondaPreludeSi2.3LL4GASPipe-3 To Oil CoolerMolded Coolant Hose
1995HondaPrelude2.3LL4GASPipe-3 To Oil CoolerSi 4WS; Molded Coolant Hose
1994HondaPrelude2.2LL4GASPipe-3 To Oil CoolerMolded Coolant Hose
1994HondaPrelude2.3LL4GASPipe-3 To Oil CoolerMolded Coolant Hose
1993HondaPrelude2.2LL4GASPipe-3 To Oil CoolerMolded Coolant Hose
1993HondaPrelude2.3LL4GASPipe-3 To Oil CoolerMolded Coolant Hose
1992HondaPrelude2.3LL4GASPipe-3 To Oil CoolerMolded Coolant Hose
1992ToyotaLand Cruiser4.0LL6GASTee-1 To Auxiliary Heater Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1991ToyotaLand Cruiser4.0LL6GASTee-1 To Auxiliary Heater Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1990BuickCentury3.3LV6GASN/AMolded Coolant Hose
1990BuickSkylark3.3LV6GASN/AMolded Coolant Hose
1990OldsmobileCutlass Calais3.3LV6GASN/AMolded Coolant Hose
1990OldsmobileCutlass Ciera3.3LV6GASN/AMolded Coolant Hose
1990OldsmobileCutlass Cruiser3.3LV6GASN/AMolded Coolant Hose
1990ToyotaLand Cruiser4.0LL6GASTee-1 To Auxiliary Heater Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1989BuickCentury3.3LV6GASN/AMolded Coolant Hose
1989BuickSkylark3.3LV6GASN/AMolded Coolant Hose
1989OldsmobileCutlass Calais3.3LV6GASN/AMolded Coolant Hose
1989OldsmobileCutlass Ciera3.3LV6GASN/AMolded Coolant Hose
1989OldsmobileCutlass Cruiser3.3LV6GASN/AMolded Coolant Hose
1987CadillacCimarron2.8LV6GASPipe-1 To Throttle Body (Front)Early; Cut to fit; Molded Coolant Hose
1987ChevroletCavalier2.8LV6GASPipe To Throttle Body (Front)Early; Cut to fit; Molded Coolant Hose
1987OldsmobileFirenza2.8LV6GASPipe-1 To Throttle Body (Front)Early; Cut to fit; Molded Coolant Hose
1987Toyota4Runner2.4LL4GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1987ToyotaPickup2.4LL4GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1986Toyota4Runner2.4LL4GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1986ToyotaPickup2.4LL4GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1985Toyota4Runner2.4LL4GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1985ToyotaCelica2.4LL4GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1985ToyotaPickup2.4LL4GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1977ToyotaCorolla1.2LL4GASN/AMolded Coolant Hose
1976ToyotaCorolla1.2LL4GASN/AMolded Coolant Hose
1975ToyotaCorolla1.2LL4GASN/AMolded Coolant Hose
1974ToyotaCorolla1.2LL4GASN/AMolded Coolant Hose
1973ToyotaCorolla1.2LL4GASN/AMolded Coolant Hose
1972ToyotaCorolla1.2LL4GASN/AMolded Coolant Hose
1971ToyotaCorolla1.2LL4GASN/AMolded Coolant Hose
1970ToyotaCorolla1.2LL4GASN/AMolded Coolant 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:

14-1808-2142-3557142-596114218S162611626122010162612201119522PT2000211842553255554-0227463042642227709487894872096014092510948A70948C1184KM-2112L34-7086L34-7191L34-8562MH-4184

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