Dayco 70045 Radiator Coolant Hose - Lower

Dayco 70045 Lower Radiator Coolant Hose

Dayco 70045 is a lower radiator coolant hose for specific Chrysler and Dodge applications with an oil cooler. It is built for direct replacement use on the lower cooling circuit, where consistent coolant flow is critical to engine temperature control.

• Lower radiator coolant hose for the cooling system
• Fits 2009-2023 Chrysler 300, lower, w/Oil Cooler
• Fits 2009-2023 Dodge Charger, lower, w/Oil Cooler
• Dayco part number 70045 for application-specific replacement
• Long-tail fitment coverage for Chrysler 300 lower radiator hose and Dodge Charger lower coolant hose searches

Fitment Details

Compatible with 2009-2023 Chrysler 300 lower hose applications with oil cooler equipment, and 2009-2023 Dodge Charger lower hose applications with oil cooler equipment. This Dayco 70045 hose is listed for the lower position only, so match the vehicle configuration before ordering.

This part cross-references no additional part numbers in the provided data.

What It Helps Fix

• Coolant leaks at the lower radiator hose
• Cracked, swollen, or deteriorated hose material
• Restricted coolant circulation in the lower cooling circuit
• Overheating caused by hose failure or seepage
• Fitment issues when replacing a lower hose on oil cooler-equipped vehicles

Installation Notes

Verify the vehicle year, make, model, lower hose position, and oil cooler configuration before installation. Inspect hose routing, clamps, and mating surfaces for wear or contamination, and confirm the replacement hose matches the original shape and connection points.

Quality Assurance

Dayco is a recognized aftermarket brand for engine cooling and drive system components. Part number 70045 is cataloged for the listed Chrysler 300 and Dodge Charger applications to support accurate replacement selection.