HomeBelts and Cooling > Hoses and PipesGates 21579 Radiator Coolant Hose - Upper
Part #: 21579

Gates 21579 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
21 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Molded Coolant Hose, Upper
Fitment: Dodge, Hyundai, Pontiac, Buick, and Oldsmobile, Attitude, Accent, Sunbird, Skyhawk, and Firenza
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates Molded Coolant Hose 21579

The Gates Molded Coolant Hose 21579 is designed for reliable cooling system performance in select Buick, Dodge, Hyundai, Oldsmobile, and Pontiac vehicles. This radiator coolant hose is molded from durable EPDM material, ensuring a precise fit and long-lasting service life for models such as the Hyundai Accent and Pontiac Sunbird.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Molded design for exact fit and secure installation
  • Centerline length of 236 mm (9.3 inches) for proper routing
  • Consistent inside diameter of 1.25 inches (32 mm) on both ends
  • Compatible with multiple makes and models including Buick, Dodge, Hyundai, Oldsmobile, and Pontiac

Detailed Product Description

The Gates Molded Coolant Hose 21579 is engineered to meet the specific cooling system requirements of various vehicles, including the Hyundai Accent, Dodge Attitude, and Pontiac Sunbird. Made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, this radiator coolant hose maintains flexibility and durability under demanding engine conditions. The molded construction ensures a precise shape that matches OEM specifications, reducing the risk of leaks and improving coolant flow efficiency. Both ends of the hose have an inside diameter of 1.25 inches (32 mm), providing a consistent connection to the radiator and engine components. With a centerline length of 236 mm (9.3 inches), it fits the designated routing path without the need for modifications.

About the Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to exact OEM shapes, eliminating the need for bending or shaping during installation. This product line emphasizes durability and fitment accuracy, which helps maintain the integrity of the vehicle’s cooling system. The 21579 part number is part of this line, offering a molded solution specifically designed for certain Buick, Dodge, Hyundai, Oldsmobile, and Pontiac models.

Common Applications and Problem Solving

  • Replacement of cracked or leaking radiator coolant hoses
  • Resolving coolant flow restrictions caused by collapsed or swollen hoses
  • Addressing overheating issues related to faulty coolant hose connections
  • Preventing coolant leaks that can lead to engine damage
  • Maintaining proper coolant system pressure and flow

Installation Notes and Tips

  • Ensure the engine is cool before removing the old hose to avoid burns
  • Check hose clamps and replace if worn or corroded for a secure fit
  • Verify the hose routing matches OEM specifications to prevent kinks or interference
  • Inspect surrounding components for wear or damage during installation
  • Use appropriate tools to avoid damaging the molded hose ends

Quality Assurance and Warranty

Gates Molded Coolant Hose 21579 is manufactured to meet strict quality standards, ensuring reliable performance and durability. The EPDM material and molded design contribute to resistance against heat, pressure, and chemical exposure typical in automotive cooling systems. While specific warranty details may vary, Gates products generally come with a limited warranty covering defects in material and workmanship.

BrandGates
Part Number21579
PositionMolded Coolant Hose, Upper
0
Yes
Branch Quantity0
Centerline Length9.3
Centerline Length236
Contains SpringNo
End 1 Inside Diameter1.25
End 1 Inside Diameter32
End 2 Inside Diameter1.25
End 2 Inside Diameter32
MaterialEPDM
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2012DodgeAttitude1.4LL4GASN/AMolded Coolant Hose
2006HyundaiAccent1.6LL4GASN/AMolded Coolant Hose
2005HyundaiAccent1.6LL4GASN/AMolded Coolant Hose
2004HyundaiAccent1.6LL4GASN/AMolded Coolant Hose
2003HyundaiAccent1.6LL4GASN/AMolded Coolant Hose
2002HyundaiAccent1.6LL4GASN/AMolded Coolant Hose
2001HyundaiAccent1.6LL4GASN/AMolded Coolant Hose
1997HyundaiAccent1.5LL4GASN/AMolded Coolant Hose
1996HyundaiAccent1.5LL4GASN/AMolded Coolant Hose
1994PontiacSunbird2.0LL4GASUpperNot compatible with vehicles equipped with AC.; Molded Coolant Hose
1993PontiacSunbird2.0LL4GASUpperNot compatible with vehicles equipped with AC.; Molded Coolant Hose
1992PontiacSunbird2.0LL4GASUpperNot compatible with vehicles equipped with AC.; Molded Coolant Hose
1991PontiacSunbird2.0LL4GASUpperNot compatible with vehicles equipped with AC.; Molded Coolant Hose
1990PontiacSunbird2.0LL4GASUpperNot compatible with vehicles equipped with AC.; Molded Coolant Hose
1989PontiacSunbird2.0LL4GASUpperNot compatible with vehicles equipped with AC.; Molded Coolant Hose
1988BuickSkyhawk2.0LL4GASUpperNot compatible with vehicles equipped with AC.; Molded Coolant Hose
1988OldsmobileFirenza2.0LL4GASUpperNot compatible with vehicles equipped with AC.; Molded Coolant Hose
1988PontiacSunbird2.0LL4GASUpperNot compatible with vehicles equipped with AC.; Molded Coolant Hose
1987BuickSkyhawk2.0LL4GASUpperNot compatible with vehicles equipped with AC.; Molded Coolant Hose
1987OldsmobileFirenza2.0LL4GASUpperNot compatible with vehicles equipped with AC.; Molded Coolant Hose
1987PontiacSunbird2.0LL4GASUpperNot compatible with vehicles equipped with AC.; 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:

14-2513-61410350420202S2157922551235225551235254722600025472260012548026000720988300B72098F8RZ 8A507 BEMH-4579

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