HomeBelts and Cooling > Hoses and PipesGates 21057 Radiator Coolant Hose - Upper
Part #: 21057

Gates 21057 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
42 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Molded Coolant Hose, Upper
Fitment: Chevrolet, Pontiac, Suzuki, Geo, and Subaru, Metro, Firefly, Swift, Sprint, Brat, DL, FE, GF, GL, and Standard
Easy Returns — Return within 60 days for a full refund
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Overview of Gates Molded Coolant Hose 21057

The Gates Molded Coolant Hose 21057 is designed for reliable cooling system performance in select Chevrolet, Geo, Pontiac, Subaru, and Suzuki vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility for models like the Firefly, Metro, Sprint, Standard, and Swift.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Molded design for precise fit and secure installation
  • Centerline length of 18.1 inches (460 mm) for accurate routing
  • Inside diameter of 1 inch (25 mm) on both ends for standard coolant flow
  • Does not contain a spring or quick connect fittings, simplifying maintenance

Detailed Product Description

The Gates Molded Coolant Hose 21057 belongs to the Molded Coolant Hose product line, which focuses on delivering hoses with exact molded shapes to match specific vehicle cooling system requirements. This hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling systems. The molded construction ensures a precise fit, reducing the risk of leaks and improving coolant flow efficiency. With a centerline length of 18.1 inches (460 mm) and an inside diameter of 1 inch (25 mm) at both ends, this hose is designed to fit seamlessly in the cooling circuits of Chevrolet Firefly, Geo Metro, Pontiac Sprint, Subaru Standard, and Suzuki Swift models.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in compatible vehicles
  • Prevention of coolant leaks that can lead to engine overheating
  • Restoration of proper coolant flow to maintain engine temperature regulation
  • Addressing hose deformation or swelling caused by heat exposure
  • Eliminating issues related to improper hose fit or routing in cooling systems

Installation Notes and Tips

  • Ensure the engine is cool before removing the old hose to avoid burns
  • Check hose clamps and replace if corroded or damaged for a secure seal
  • Verify the hose orientation matches the molded shape for proper fitment
  • Inspect surrounding components for wear or damage during installation
  • Use coolant compatible with the vehicle manufacturer’s specifications

Quality Assurance and Warranty

Gates Molded Coolant Hose 21057 is manufactured to meet stringent quality standards for durability and performance. The EPDM material and molded design contribute to a reliable, long-lasting replacement part. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in material and workmanship. Consult the product packaging or manufacturer for exact warranty terms.

BrandGates
Part Number21057
PositionMolded Coolant Hose, Upper
0
Yes
Branch Quantity0
Centerline Length18.1
Centerline Length460
Contains SpringNo
End 1 Inside Diameter1
End 1 Inside Diameter25
End 2 Inside Diameter1
End 2 Inside Diameter25
MaterialEPDM
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 42 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2000ChevroletMetro1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
2000PontiacFirefly1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1999ChevroletMetro1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1999PontiacFirefly1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1998ChevroletMetro1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1998PontiacFirefly1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1998SuzukiSwift1.3LL4GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1997GeoMetro1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1997GeoMetro1.3LL4GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1997PontiacFirefly1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1997PontiacFirefly1.3LL4GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1997SuzukiSwift1.3LL4GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1996GeoMetro1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1996GeoMetro1.3LL4GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1996PontiacFirefly1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1996PontiacFirefly1.3LL4GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1996SuzukiSwift1.3LL4GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1995GeoMetro1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1995GeoMetro1.3LL4GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1995PontiacFirefly1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1995PontiacFirefly1.3LL4GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1995SuzukiSwift1.3LL4GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1994GeoMetro1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1994PontiacFirefly1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1994PontiacFirefly1.3LL4GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1993GeoMetro1.0LL3GASUpperOptional Hose; Cut to fit; Molded Coolant Hose
1992ChevroletSprint1.0LL3GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1992GeoMetro1.0LL3GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1992SuzukiSwift1.0LL3GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1991ChevroletSprint1.0LL3GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1991GeoMetro1.0LL3GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1991PontiacFirefly1.0LL3GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1990ChevroletSprint1.0LL3GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1990GeoMetro1.0LL3GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1990PontiacFirefly1.0LL3GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1989ChevroletSprint1.0LL3GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1989GeoMetro1.0LL3GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1989PontiacFirefly1.0LL3GASUpperRadiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose
1979SubaruStandard1.6LH4GASUpperMolded Coolant Hose
1978SubaruStandard1.6LH4GASUpperMolded Coolant Hose
1977SubaruStandard1.6LH4GASUpperMolded Coolant Hose
1976SubaruStandard1.4LH4GASUpperW/Calif. Emission System; 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:

14-1722-4142-43321785251G002105721501H721124076L3001309554-0010664507772066484708947769894110865096060157C1057D70894L34-1339MC67MC97MH-4057

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