Gates 23592 Radiator Coolant Hose - Lower

Gates 23592 Molded Coolant Hose

The Gates 23592 molded coolant hose is an OE-style radiator coolant hose built for lower cooling-system routing on select INFINITI models. Made from EPDM and formed to a molded profile, it matches the shape needed for a direct replacement on applications such as the INFINITI Q70, Q70L, QX70, FX37, M35h, M37, and FX35.

Gates Molded Coolant Hose products are engineered for upper, lower, bypass, heater, and other coolant routing needs with OEM-quality specifications. This line is built to simplify radiator hose replacement by matching the original hose form and fitment requirements.

Key Features

• Part number: 23592
• Brand: Gates Molded Coolant Hose
• Material: EPDM
• Molded hose construction for formed coolant routing
• End 1 inside diameter: 1.33 in. (34 mm)
• End 2 inside diameter: 1.33 in. (34 mm)
• Centerline length: 21 in. (533 mm)
• No spring included
• No quick-connect fittings

Detailed Description

This Gates radiator coolant hose is built for lower hose applications where the original hose follows a molded path around engine bay components. The EPDM construction is selected for coolant-system service, while the molded shape helps maintain the correct routing and connection points. It is a direct-fit replacement for select INFINITI cooling systems, including lower hose applications on the Q70 and Q70L, as well as the QX70, FX37, M35h, M37, and FX35. If you are replacing a worn or leaking lower radiator hose, Gates 23592 provides the correct formed profile for the listed vehicles.

This part cross-references Bosch 66852 and Dayco 72991 for the same application.

What It Helps Address

• Coolant leaks from a cracked or deteriorated lower radiator hose
• Softening, swelling, or collapse of an aging EPDM hose
• Incorrect hose routing after a previous repair
• Loss of cooling-system integrity at the hose connection points
• Replacement needs on INFINITI lower coolant hose applications

Installation Notes and Tips

• Verify hose routing against the original part before installation.
• Inspect clamps, necks, and adjoining coolant components for wear or corrosion.
• Drain coolant as needed before removing the existing hose.
• Confirm the end diameters and molded shape match the vehicle application.
• After installation, refill and bleed the cooling system according to factory procedure.

Quality Assurance

Gates manufactures molded coolant hoses to OEM-quality specifications for replacement cooling-system service. Part number 23592 is built to match the listed fitments and hose dimensions for reliable radiator hose replacement on compatible INFINITI applications.

• Fits 2014-2019 INFINITI Q70, Lower
• Fits 2015-2019 INFINITI Q70L, Lower
• Fits 2014-2017 INFINITI QX70, Lower
• Fits 2013 INFINITI FX37, Lower
• Fits 2012-2013 INFINITI M35h, Lower
• Fits 2011-2013 INFINITI M37, Lower
• Fits 2009-2012 INFINITI FX35, Lower