HomeBelts and Cooling > Hoses and PipesContinental 66588 Radiator Coolant Hose - Lower
Part #: 66588

Continental 66588 Radiator Coolant Hose - Lower

Molded, Lower
⚙️ 26 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$62.45Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded, Lower
🚗Fitment: Buick, Cadillac, and Chevrolet, Allure, Impala, LaCrosse, and XTS
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Continental Molded Radiator Coolant Hose 66588

The Continental Molded Radiator Coolant Hose 66588 is designed for reliable coolant flow in select Buick, Cadillac, and Chevrolet vehicles. Engineered with precise dimensions, this hose ensures a secure fit and optimal performance for models like the Buick Allure and LaCrosse, Cadillac XTS, and Chevrolet Impala.

  • Hose 1 inside diameter: 1.250 inches
  • Hose 1 length: 22.800 inches
  • End 2 hose inside diameter: 1.310 inches
  • Compatible with Buick Allure and LaCrosse
  • Compatible with Cadillac XTS
  • Compatible with Chevrolet Impala

Details on the Molded Product Line

The Molded line from Continental focuses on precision-engineered hoses that maintain shape and integrity under varying temperature and pressure conditions. This product line is designed to provide consistent coolant flow and durability, making it suitable for radiator coolant hose applications in multiple vehicle makes and models.

Product Specifications and Features

The Continental Molded Radiator Coolant Hose 66588 features a 1.250-inch inside diameter on one end and a slightly larger 1.310-inch inside diameter on the other, accommodating specific radiator and engine connections. With a length of 22.800 inches, this hose is tailored to fit the coolant routing requirements of Buick Allure and LaCrosse, Cadillac XTS, and Chevrolet Impala models. The molded construction helps resist deformation and wear, ensuring a secure seal and consistent coolant flow.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses
  • Resolving coolant leaks caused by hose deterioration
  • Maintaining proper engine temperature by ensuring coolant circulation
  • Preventing overheating issues related to faulty coolant hoses
  • Supporting routine maintenance for Buick, Cadillac, and Chevrolet cooling systems

Installation Notes and Tips

When installing the Continental Molded Radiator Coolant Hose 66588, ensure the hose is properly seated on radiator and engine fittings matching the specified inside diameters of 1.250 inches and 1.310 inches. Inspect clamps and connections for tightness to prevent leaks. It is recommended to replace any worn clamps during installation to maintain a secure fit. Verify compatibility with your specific Buick Allure, Cadillac XTS, or Chevrolet Impala model year before installation.

Quality Assurance and Warranty

Continental manufactures the Molded Radiator Coolant Hose 66588 to meet industry standards for durability and performance. While specific warranty details are not provided, Continental products typically undergo rigorous quality control to ensure reliability in automotive cooling systems.

BrandContinental
Part Number66588
PositionMolded, Lower
Hose 1 Inside Diameter1.250
Hose 1 Length22.800
End 2 Hose Inside Diameter1.310

This part fits 26 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2020ChevroletImpala3.6LV6LowerMolded
2019CadillacXTS3.6LV6LowerMolded
2019ChevroletImpala3.6LV6LowerMolded
2018CadillacXTS3.6LV6LowerMolded
2018ChevroletImpala3.6LV6LowerMolded
2017CadillacXTS3.6LV6LowerMolded
2017ChevroletImpala3.6LV6LowerMolded
2016BuickLaCrosse3.6LV6LowerMolded
2016CadillacXTS3.6LV6LowerMolded
2016ChevroletImpala3.6LV6LowerMolded
2015BuickLaCrosse3.6LV6LowerMolded
2015CadillacXTS3.6LV6LowerMolded
2015ChevroletImpala3.6LV6LowerMolded
2014BuickLaCrosse3.6LV6LowerMolded
2014CadillacXTS3.6LV6LowerMolded
2014ChevroletImpala3.6LV6LowerMolded
2013BuickLaCrosse3.6LV6LowerMolded
2013CadillacXTS3.6LV6LowerMolded
2013ChevroletImpala3.6LV6LowerMolded
2012BuickLaCrosse3.6LV6LowerMolded
2012ChevroletImpala3.6LV6LowerMolded
2011BuickLaCrosse3.6LV6LowerMolded
2010BuickAllure3.0LV6LowerMolded
2010BuickAllure3.6LV6LowerMolded
2010BuickLaCrosse3.0LV6LowerMolded
2010BuickLaCrosse3.6LV6LowerMolded

* 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:

2080901223203513237207254172888B007Q1UYRA

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