HomeBelts and Cooling > Hoses and PipesGates 21737 Radiator Coolant Hose - Upper
Part #: 21737

Gates 21737 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
⚙️ 24 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Upper
🚗Fitment: Dodge, Mitsubishi, and Toyota, Diamante, Galant, Stealth, and Van
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Radiator Coolant Hose for Dodge, Mitsubishi, and Toyota

The Gates Molded Coolant Hose 21737 is engineered to provide dependable cooling system performance for select Dodge, Mitsubishi, and Toyota vehicles. Designed with durable EPDM material and precise molded construction, this radiator coolant hose ensures a secure fit and long-lasting service.

Key Features of Gates Molded Coolant Hose 21737

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Molded design for exact fit and reliable sealing
  • Centerline length of 22 inches (559 mm) for proper routing
  • Consistent inside diameter of 1.31 inches (33 mm) on both ends
  • Does not contain a spring or quick connect fittings
  • Compatible with Dodge Diamante, Mitsubishi Galant and Stealth, and Toyota Van models

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-molded hoses designed to meet or exceed OEM specifications. These hoses are engineered to maintain coolant flow integrity under varying temperature and pressure conditions. The molded construction reduces the risk of leaks and ensures consistent performance across compatible vehicle applications, including the Dodge Diamante, Mitsubishi Galant and Stealth, and Toyota Van.

Detailed Product Description

This radiator coolant hose features EPDM rubber, known for its resistance to heat, ozone, and coolant chemicals, making it suitable for extended use in automotive cooling systems. The molded design provides a precise fit with a centerline length of 22 inches (559 mm) and an inside diameter of 1.31 inches (33 mm) at both ends, ensuring proper coolant flow and system pressure maintenance. The absence of springs and quick connect fittings simplifies the hose design, reducing potential failure points. Part number 21737 is specifically designed for use in Dodge, Mitsubishi, and Toyota vehicles, including the Diamante, Galant, Stealth, and Van models.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses
  • Prevention of coolant leaks that can cause engine overheating
  • Restoration of proper coolant flow in Dodge Diamante, Mitsubishi Galant, Stealth, and Toyota Van cooling systems
  • Elimination of hose collapse or deformation under pressure
  • Addressing coolant hose failures due to aging or chemical degradation

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify the hose routing matches the original to prevent kinks or interference with other engine components. Use appropriate clamps to secure the hose ends firmly without over-tightening, which can damage the hose. Inspect adjacent components for wear or damage during installation. The molded design of part number 21737 facilitates straightforward installation with a precise fit.

Quality Assurance and Warranty

Gates Molded Coolant Hose 21737 is manufactured to meet stringent quality standards, ensuring durability and reliable performance. The EPDM material and molded construction contribute to the hose's resistance to heat and chemical exposure. While specific warranty details are not provided, Gates products typically adhere to industry standards for automotive replacement parts.

BrandGates
Part Number21737
PositionMolded Coolant Hose, Upper
MaterialEpdm
End 1 Inside Diameter1.31
End 1 Inside Diameter33
End 2 Inside Diameter1.31
End 2 Inside Diameter33
Contains SpringNo
Centerline Length22
Centerline Length559
Branch Quantity0
9839Yes
98450
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 24 vehicles. Search below:

YearMakeModelBody TypeDrive TypeLitersCylindersFuel TypePositionNotes
1996DodgeStealth3.0LV6GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1995DodgeStealth3.0LV6GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1995MitsubishiDiamanteSedan3.0LV6GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1994DodgeStealth3.0LV6GASUpperMolded Coolant Hose
1994DodgeStealth3.0LV6GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1994MitsubishiDiamanteSedan3.0LV6GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1993DodgeStealth3.0LV6GASUpperMolded Coolant Hose
1993DodgeStealth3.0LV6GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1993MitsubishiDiamanteSedan3.0LV6GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1993MitsubishiGalant2.0LL4GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1992DodgeStealth3.0LV6GASUpperMolded Coolant Hose
1992DodgeStealth3.0LV6GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1992MitsubishiDiamante3.0LV6GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1991DodgeStealth3.0LV6GASUpperMolded Coolant Hose
1991DodgeStealth3.0LV6GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1989ToyotaVanRWD2.2LL4GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1989ToyotaVan4WD2.2LL4GASUpperMolded Coolant Hose
1988ToyotaVanRWD2.2LL4GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1988ToyotaVan4WD2.2LL4GASUpperMolded Coolant Hose
1987ToyotaVanRWD2.2LL4GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1987ToyotaVan4WD2.2LL4GASUpperMolded Coolant Hose
1986ToyotaVanRWD2.2LL4GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1985ToyotaVanRWD2.0LL4GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1984ToyotaVan2.0LL4GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded 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:

14-2571-6142-5970142-6035165717104016571730502173724227L40054-0436954-0550654-060815636093062743715427161077-8860-782658428C1737C71542D71610KM-2297MB356964MB660033MB660064MH-4737MR137XC71542

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