HomeBelts and Cooling > Hoses and PipesContinental 66587 Radiator Coolant Hose - Upper
Part #: 66587

Continental 66587 Radiator Coolant Hose - Upper

Molded, Upper
⚙️ 48 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded, Upper
🚗Fitment: Buick, Cadillac, Chevrolet, and GMC, Acadia, Allure, Blazer, Impala, LaCrosse, XT5, XT6, and XTS
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Overview of Continental Molded Radiator Coolant Hose 66587

The Continental Molded Radiator Coolant Hose 66587 is designed to provide reliable coolant flow for select Buick, Cadillac, Chevrolet, and GMC vehicles. Engineered with precise dimensions, this hose ensures a secure fit and optimal performance in your vehicle's cooling system.

  • Inside diameter of 1.310 inches for both ends
  • Overall hose length of 20.790 inches
  • Compatible with multiple GM models including Buick LaCrosse and Allure, Cadillac XT5, XT6, and XTS, Chevrolet Blazer and Impala, and GMC Acadia
  • Constructed to meet OEM specifications for durability and heat resistance

Details on the Molded Product Line

The Molded line from Continental focuses on precision-engineered hoses that are shaped to fit specific vehicle applications without the need for modifications. This product line emphasizes exact inside diameters and lengths to maintain proper coolant flow and system pressure, reducing the risk of leaks or premature wear. The Molded Radiator Coolant Hose 66587 exemplifies this approach by matching the exact dimensions required for the listed GM vehicles.

Product Specifications and Description

This radiator coolant hose features an inside diameter of 1.310 inches on both ends, ensuring consistent coolant flow and compatibility with the vehicle's radiator and engine connections. The hose length of 20.790 inches is designed to fit the routing path in the cooling system without stretching or kinking. The part number 66587 corresponds to this specific configuration, making it easier to identify for replacement or repair purposes.

Applications and Common Issues Addressed

  • Replacement for cracked or leaking radiator coolant hoses in Buick LaCrosse and Allure
  • Restores proper coolant circulation in Cadillac XT5, XT6, and XTS models
  • Prevents overheating caused by deteriorated hoses in Chevrolet Blazer and Impala
  • Eliminates coolant leaks and pressure loss in GMC Acadia cooling systems
  • Maintains engine temperature regulation by ensuring hose integrity

Installation Notes and Tips

When installing the Continental Molded Radiator Coolant Hose 66587, ensure the hose is routed according to the vehicle manufacturer’s specifications to avoid kinks or interference with other engine components. Verify that the inside diameter matches the radiator and engine fittings for a secure connection. It is recommended to inspect clamps and replace them if worn to maintain a tight seal. Always allow the engine to cool before removing the old hose to prevent injury.

Quality Assurance and Warranty

Continental manufactures the Molded Radiator Coolant Hose 66587 to meet or exceed OEM standards for durability and heat resistance. While specific warranty details are not provided here, Continental products typically come with a limited warranty against defects in materials and workmanship. Using this hose helps maintain the integrity of your vehicle’s cooling system with a reliable, engineered replacement part.

BrandContinental
Part Number66587
PositionMolded, Upper
Hose 1 Inside Diameter1.310
Hose 1 Length20.790
End 2 Hose Inside Diameter1.310

This part fits 48 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025CadillacXT53.6LV6UpperMolded
2025CadillacXT63.6LV6UpperMolded
2025ChevroletBlazer3.6LV6UpperMolded
2024CadillacXT53.6LV6UpperMolded
2024CadillacXT63.6LV6UpperMolded
2024ChevroletBlazer3.6LV6UpperMolded
2023CadillacXT53.6LV6UpperMolded
2023CadillacXT63.6LV6UpperMolded
2023ChevroletBlazer3.6LV6UpperMolded
2022ChevroletBlazer3.6LV6UpperMolded
2021CadillacXT63.6LV6Upperexc. HD Cooling; Molded
2021ChevroletBlazer3.6LV6UpperExc. HD Radiator; Molded
2020CadillacXT53.6LV6UpperMolded
2020CadillacXT63.6LV6UpperMolded
2020ChevroletBlazer3.6LV6UpperExc. HD Radiator; Molded
2020ChevroletImpala3.6LV6UpperMolded
2020GMCAcadia3.6LV6UpperMolded
2019CadillacXT53.6LV6UpperMolded
2019CadillacXTS3.6LV6UpperMolded
2019ChevroletBlazer3.6LV6UpperExc. HD Radiator; Molded
2019ChevroletImpala3.6LV6UpperMolded
2019GMCAcadia3.6LV6UpperMolded
2018CadillacXT53.6LV6UpperMolded
2018CadillacXTS3.6LV6UpperMolded
2018ChevroletImpala3.6LV6UpperMolded
2018GMCAcadia3.6LV6UpperMolded
2017CadillacXT53.6LV6UpperMolded
2017CadillacXTS3.6LV6UpperMolded
2017ChevroletImpala3.6LV6UpperMolded
2016BuickLaCrosse3.6LV6UpperMolded
2016CadillacXTS3.6LV6UpperMolded
2016ChevroletImpala3.6LV6UpperMolded
2015BuickLaCrosse3.6LV6UpperMolded
2015CadillacXTS3.6LV6UpperMolded
2015ChevroletImpala3.6LV6UpperMolded
2014BuickLaCrosse3.6LV6UpperMolded
2014CadillacXTS3.6LV6UpperMolded
2014ChevroletImpala3.6LV6UpperMolded
2013BuickLaCrosse3.6LV6UpperMolded
2013CadillacXTS3.6LV6UpperMolded
2013ChevroletImpala3.6LV6UpperMolded
2012BuickLaCrosse3.6LV6UpperMolded
2012ChevroletImpala3.6LV6UpperMolded
2011BuickLaCrosse3.6LV6UpperMolded
2010BuickAllure3.0LV6UpperMolded
2010BuickAllure3.6LV6UpperMolded
2010BuickLaCrosse3.0LV6UpperMolded
2010BuickLaCrosse3.6LV6UpperMolded

* 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:

2080901122962115229925862316680323719725407288989783B007Q1UYE8

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