Homeβ€Ί Belts and Cooling > Hoses and Pipesβ€Ί Gates 21739 Radiator Coolant Hose
Part #: 21739

Gates 21739 Radiator Coolant Hose

Molded Coolant Hose, Radiator To Tee
100 vehicles fit this part
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OE Direct Replacement β€” Bolt-on fit, no modifications needed
Molded Coolant Hose, Radiator To Tee
Fitment: Lexus, Chevrolet, Pontiac, Buick, Saturn, Jeep, Audi, Volkswagen, Mercury, Toyota, and Ford, GS450h, Uplander, Montana, Terraza, Relay, Liberty, A4, A4 Quattro, Passat, A6, A6 Quattro, Cabriolet, 90, 90 Quattro, Sable, 100, 100 Quattro, Celica, Cougar, and Marquis
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Reliable Radiator Coolant Hose for Multiple Vehicle Makes

The Gates Molded Coolant Hose 21739 is engineered to provide dependable coolant flow for a variety of vehicles including Audi, Toyota, Ford, and Volkswagen models. Designed with durable EPDM material, this molded radiator coolant hose ensures consistent performance and long service life.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Molded design for precise fit and leak prevention
  • Centerline length of 145 mm (5.7 inches) for accurate installation
  • Inside diameter of 16 mm (0.62 inches) on both ends
  • Compatible with multiple makes and models including Audi A4 Quattro, Toyota Celica, and Ford Liberty

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 reliability. This product line uses EPDM material known for its resistance to heat, ozone, and coolant chemicals, making it suitable for radiator applications in various passenger vehicles. The molded construction eliminates the need for additional clamps or fittings, ensuring a secure and leak-free connection.

Product Details and Specifications

The Gates 21739 radiator coolant hose features a molded design with a centerline length of 145 mm (5.7 inches), providing a precise fit for the cooling system. Both ends have an inside diameter of 16 mm (0.62 inches), allowing for consistent coolant flow. This hose does not contain any springs or quick connect fittings, simplifying the installation process. Its EPDM construction offers durability against heat and coolant exposure, making it suitable for vehicles such as the Audi 90 Quattro, Buick Terraza, Chevrolet Montana, Lexus GS450h, and Volkswagen Passat.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses
  • Prevention of coolant leaks that can cause engine overheating
  • Restoration of proper coolant flow in vehicles with degraded hoses
  • Addressing hose failures in Audi A6 Quattro and Toyota Celica cooling systems
  • Ensuring reliable coolant circulation in Ford Liberty and Pontiac Sable models

Installation Notes and Tips

Before installation, ensure the engine is cool and the cooling system is depressurized. Verify the hose dimensions match the original part, specifically the 16 mm inside diameter and 145 mm length. The molded design allows for straightforward replacement without additional fittings. Inspect hose connections for proper seating to prevent leaks. It is recommended to replace any worn clamps during installation to maintain a secure fit.

Quality Assurance and Warranty

Gates Molded Coolant Hose 21739 is manufactured to meet OEM standards for fit and durability. The EPDM material provides resistance to heat, ozone, and coolant chemicals, contributing to long-term reliability. While specific warranty details are not provided, Gates products typically adhere to industry quality controls ensuring consistent performance in compatible vehicles.

BrandGates
Part Number21739
PositionMolded Coolant Hose, Radiator To Tee
0
Yes
Branch Quantity0
Centerline Length5.7
Centerline Length145
Contains SpringNo
End 1 Inside Diameter.62
End 1 Inside Diameter16
End 2 Inside Diameter.62
End 2 Inside Diameter16
MaterialEPDM
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 100 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2011LexusGS450h3.5LV6ELECTRIC/GASRadiator To TeeRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2010LexusGS450h3.5LV6ELECTRIC/GASRadiator To TeeRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2009ChevroletUplander3.9LV6FLEXPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2009ChevroletUplander3.9LV6FLEXTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2009ChevroletUplander3.9LV6GASPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2009ChevroletUplander3.9LV6GASTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2009LexusGS450h3.5LV6ELECTRIC/GASRadiator To TeeRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2009PontiacMontana3.9LV6GASPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2009PontiacMontana3.9LV6GASTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2008ChevroletUplander3.9LV6FLEXPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2008ChevroletUplander3.9LV6FLEXTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2008ChevroletUplander3.9LV6GASPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2008ChevroletUplander3.9LV6GASTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2008LexusGS450h3.5LV6ELECTRIC/GASRadiator To TeeRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2008PontiacMontana3.9LV6FLEXPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2008PontiacMontana3.9LV6FLEXTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2008PontiacMontana3.9LV6GASPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2008PontiacMontana3.9LV6GASTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007BuickTerraza3.9LV6FLEXPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007BuickTerraza3.9LV6FLEXTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007BuickTerraza3.9LV6GASPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007BuickTerraza3.9LV6GASTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007ChevroletUplander3.9LV6FLEXPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007ChevroletUplander3.9LV6FLEXTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007ChevroletUplander3.9LV6GASPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007ChevroletUplander3.9LV6GASTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007LexusGS450h3.5LV6ELECTRIC/GASRadiator To TeeRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007PontiacMontana3.9LV6GASPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007PontiacMontana3.9LV6GASTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007SaturnRelay3.9LV6FLEXPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007SaturnRelay3.9LV6FLEXTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007SaturnRelay3.9LV6GASPipe-2 To Tee-2Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2007SaturnRelay3.9LV6GASTee-2 To ThermostatRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2006BuickTerraza3.9LV6GASPipe-2 To TeeRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2006BuickTerraza3.9LV6GASTee To EngineRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2006ChevroletUplander3.9LV6GASPipe-2 To TeeRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2006ChevroletUplander3.9LV6GASTee To EngineRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2006JeepLiberty3.7LV6GASEngine To Pipe-1Molded Coolant Hose
2006PontiacMontana3.9LV6GASPipe-2 To TeeRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2006PontiacMontana3.9LV6GASTee To EngineRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2006SaturnRelay3.9LV6GASPipe-2 To TeeRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2006SaturnRelay3.9LV6GASTee To EngineRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2005JeepLiberty3.7LV6GASEngine To Pipe-1Molded Coolant Hose
2004JeepLiberty3.7LV6GASEngine To Pipe-1Molded Coolant Hose
2003JeepLiberty3.7LV6GASEngine To Pipe-1Molded Coolant Hose
2002JeepLiberty3.7LV6GASEngine To Pipe-1Molded Coolant Hose
2001AudiA42.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2001AudiA4 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2001VolkswagenPassat2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2000AudiA42.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2000AudiA4 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
2000VolkswagenPassat2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1999AudiA42.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1999AudiA4 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1999VolkswagenPassat2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1998AudiA42.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1998AudiA4 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1998VolkswagenPassat2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1997AudiA42.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1997AudiA4 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1996AudiA42.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1996AudiA4 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1996AudiA62.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1996AudiA6 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1996AudiCabriolet2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1995Audi902.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1995Audi90 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1995AudiA62.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1995AudiA6 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1995AudiCabriolet2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1995MercurySable3.0LV6GASN/AMolded Coolant Hose
1995MercurySable3.0LV6GASPipe-3 To ThermostatMolded Coolant Hose
1994Audi1002.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1994Audi100 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1994Audi902.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1994Audi90 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1994AudiCabriolet2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1994MercurySable3.0LV6GASN/AMolded Coolant Hose
1994MercurySable3.0LV6GASPipe-3 To ThermostatMolded Coolant Hose
1993Audi1002.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1993Audi100 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1993Audi902.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1993Audi90 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1993MercurySable3.0LV6GASN/AMolded Coolant Hose
1993MercurySable3.0LV6GASPipe-3 To ThermostatMolded Coolant Hose
1993ToyotaCelica2.0LL4GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1992Audi1002.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1992Audi100 Quattro2.8LV6GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1992MercurySable3.0LV6GASN/AMolded Coolant Hose
1992MercurySable3.0LV6GASPipe-3 To ThermostatMolded Coolant Hose
1992ToyotaCelica2.0LL4GASN/ARadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1991MercurySable3.0LV6GASPipe-3 To ThermostatMolded Coolant Hose
1990MercurySable3.0LV6GASPipe-3 To ThermostatMolded Coolant Hose
1989MercurySable3.0LV6GASPipe-3 To ThermostatMolded Coolant Hose
1988MercurySable3.0LV6GASPipe-3 To ThermostatMolded Coolant Hose
1987MercurySable3.0LV6GASPipe-3 To ThermostatMolded Coolant Hose
1986FordCougar3.8LV6GASInletMolded Coolant Hose
1986MercuryCougar3.8LV6GASInletMolded Coolant Hose
1986MercuryMarquis3.8LV6GASInletMolded Coolant Hose
1986MercurySable3.0LV6GASPipe-3 To ThermostatMolded 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:

078121096A12590013125900141259852414-1700-614229S2173955038831AG8430BP-1739BP1739E6AE 8A527 AAE6DZ 8A527 AE8DE 8A527 ABE9DE 8A527 AAF0DZ 8A527 AF1DE 8A527 AAF4DZ 8A527 AF4DZ 8A572 AG922530130

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