HomeBelts and Cooling > Hoses and PipesGates 24340 Radiator Coolant Hose - Upper
Part #: 24340

Gates 24340 Radiator Coolant Hose - Upper

Molded Coolant Hose, Upper
⚙️ 18 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Coolant Hose, Upper
🚗Fitment: Buick and Chevrolet, Impala, Malibu, Malibu Limited, and Regal
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Reliable Radiator Coolant Hose for Buick and Chevrolet Vehicles

The Gates Molded Coolant Hose 24340 is designed to provide a durable and precise fit for select Buick and Chevrolet models. Engineered with quality materials, this radiator coolant hose ensures efficient coolant flow and system reliability.

  • Constructed from EPDM and plastic for heat and chemical resistance
  • Molded design for exact fit and secure connections
  • End 1 inside diameter: 1.19 inches (30 mm)
  • End 2 inside diameter: 1.3 inches (33 mm)
  • Centerline length: 21.23 inches (539 mm)
  • Contains no internal spring for consistent coolant flow
  • Compatible with Buick Impala, Chevrolet Malibu, Malibu Limited, and Regal models

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-engineered hoses that are molded to exact specifications. This approach eliminates the need for multiple fittings and reduces potential leak points, providing a reliable coolant pathway. The 24340 part benefits from this design philosophy, ensuring a secure and long-lasting connection in the cooling system.

Detailed Product Description

This radiator coolant hose features a molded construction using EPDM and plastic materials, which offer resistance to heat, ozone, and automotive fluids. The hose’s two ends have slightly different inside diameters—1.19 inches (30 mm) on one end and 1.3 inches (33 mm) on the other—to match the specific radiator and engine connections. With a centerline length of 21.23 inches (539 mm), it fits precisely within the cooling system layout of compatible Buick and Chevrolet vehicles. The absence of an internal spring allows for smooth coolant flow without obstruction.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses
  • Prevention of coolant leaks due to hose degradation
  • Restoration of proper coolant circulation in Buick Impala and Chevrolet Malibu models
  • Addressing overheating issues caused by faulty hoses
  • Maintaining system pressure and preventing hose collapse

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify the hose orientation matches the original part, paying attention to the differing inside diameters at each end. Use appropriate clamps to secure the hose without over-tightening, which can damage the molded ends. Inspect surrounding components for wear during installation.

Quality Assurance and Warranty

Gates Molded Coolant Hose 24340 is manufactured to meet or exceed OEM specifications for durability and fitment. The use of EPDM and plastic materials ensures resistance to heat and automotive fluids, contributing to long service life. Warranty details should be confirmed with the product documentation or supplier.

BrandGates
Part Number24340
PositionMolded Coolant Hose, Upper
MaterialEpdm, plastic
End 1 Inside Diameter1.19
End 1 Inside Diameter30
End 2 Inside Diameter1.3
End 2 Inside Diameter33
Contains SpringNo
Centerline Length21.23
Centerline Length539
Branch Quantity0
9839Yes
98450
Modular HoseNo
MoldedYes
Number of Quick Connect Fittings0

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2019ChevroletImpala2.5LL4FLEXUpperMolded Coolant Hose
2019ChevroletImpala2.5LL4GASUpperMolded Coolant Hose
2018ChevroletImpala2.5LL4FLEXUpperMolded Coolant Hose
2018ChevroletImpala2.5LL4GASUpperMolded Coolant Hose
2017BuickRegal2.0LL4GASUpperMolded Coolant Hose
2017ChevroletImpala2.5LL4FLEXUpperMolded Coolant Hose
2017ChevroletImpala2.5LL4GASUpperMolded Coolant Hose
2016BuickRegal2.0LL4GASUpperMolded Coolant Hose
2016ChevroletImpala2.5LL4FLEXUpperMolded Coolant Hose
2016ChevroletImpala2.5LL4GASUpperMolded Coolant Hose
2016ChevroletMalibu Limited2.5LL4GASUpperMolded Coolant Hose
2015BuickRegal2.0LL4GASUpperMolded Coolant Hose
2015ChevroletImpala2.5LL4GASUpperMolded Coolant Hose
2015ChevroletMalibu2.0LL4GASUpperMolded Coolant Hose
2015ChevroletMalibu2.5LL4GASUpperMolded Coolant Hose
2014BuickRegal2.0LL4GASUpperMolded Coolant Hose
2014ChevroletMalibu2.0LL4GASUpperMolded Coolant Hose
2014ChevroletMalibu2.5LL4GASUpperMolded 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:

1700622804L231053916707072777E72777

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