Gates 23720 Radiator Coolant Hose - Lower

Gates 23720 Molded Coolant Hose

The Gates 23720 molded coolant hose is a direct-fit radiator coolant hose built to OEM-quality specifications for lower cooling system service. It is formed from EPDM and shaped to match the original routing for select Chevrolet, Cadillac, and Buick applications, including Impala, XTS, and LaCrosse models.

Gates Molded Coolant Hose products cover upper, lower, bypass, heater, and other coolant hose applications. This line is built for replacement work where correct shape, fit, and material consistency matter, helping reduce the time spent sourcing a radiator hose replacement from the OE dealer.

Key Features

• Part number: 23720
• Brand: Gates Molded Coolant Hose
• Material: EPDM for cooling system service
• Molded hose design for OE-style routing
• End 1 inside diameter: 1.32 in. (34 mm)
• End 2 inside diameter: 1.32 in. (34 mm)
• Centerline length: 22.6 in. (574 mm)
• Contains spring: No
• Modular hose: No
• Lower radiator coolant hose application

Detailed Description

Gates 23720 is a molded radiator coolant hose engineered for lower cooling system routing where a formed hose is required. The EPDM construction supports everyday coolant exposure, while the molded shape helps match the original hose path for cleaner installation and proper alignment in the engine bay. This part number 23720 is listed for 2014-2020 Chevrolet Impala, lower; 2013-2019 Cadillac XTS, lower; and 2010-2016 Buick LaCrosse, lower.

This hose cross-references Continental 66588 and Dayco 72541 for the same application. If you are searching for a lower radiator hose for a Chevrolet Impala, Cadillac XTS, or Buick LaCrosse, Gates 23720 is a direct replacement option to compare against OE-style service parts.

What It Helps Address

• Cracked or aged lower radiator hose material
• Coolant leaks at a formed hose section
• Incorrect hose shape after prior replacement
• Fitment issues caused by universal hose substitutions
• Cooling system service on vehicles with molded lower hose routing

Installation Notes and Tips

Verify the hose routing, end diameters, and centerline length against the removed part before installation. Confirm the vehicle application by year, make, model, and lower position for the Chevrolet Impala, Cadillac XTS, or Buick LaCrosse. Inspect adjoining clamps, necks, and coolant passages for wear or residue before refilling the system.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for replacement use in cooling system service. The Gates molded coolant hose line is built to cover a broad range of radiator, heater, bypass, and other coolant applications.