Dayco 71885 Radiator Coolant Hose - Lower

Dayco Curved Radiator Hose for Lexus GS300

Replace a worn or leaking lower coolant hose with the Dayco 71885 curved radiator hose. Built from EPDM rubber and shaped for the lower radiator connection, it is a direct-fit cooling hose for 1993-1997 Lexus GS300 applications.

Dayco’s Curved Radiator Hose line focuses on formed hose routing for proper coolant flow and OE-style fitment. This Dayco 71885 hose follows the original curved path needed in the engine bay, helping maintain a secure connection between the radiator and cooling system components.

Key Features

• EPDM construction for coolant-system durability
• Black finish for OE-style appearance
• Single I.D. hose design
• 1 7/16 in. inside diameter at both ends
• Lower radiator hose application for 1993-1997 Lexus GS300
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications

Detailed Description

The Dayco 71885 is a curved radiator coolant hose engineered for the lower position on 1993-1997 Lexus GS300 models. Its EPDM rubber construction is suited for cooling-system service, while the formed shape supports the routing required in the vehicle’s lower hose path. With matching 1 7/16-inch inside diameters at both ends, this hose is built for a direct replacement on the specified Lexus GS300 fitment. If you are searching for a Lexus GS300 lower radiator hose or a Dayco 71885 replacement hose, this part matches the listed application.

This part cross-references Duralast E71885 and Toyota 16572-46080 for the same application.

Common Replacement Reasons

• Coolant seepage at the lower hose connection
• Cracking, hardening, or swelling in the hose body
• Loss of flexibility from age and heat cycling
• Improper hose routing after prior service
• Need for a direct replacement lower radiator hose for Lexus GS300 1993-1997

Installation Notes and Tips

Verify the hose routing before removal and compare the inside diameter at both ends to the original part. Inspect the radiator neck, engine-side connection, and clamps for wear or corrosion before installing the new hose. After installation, refill the cooling system with the correct coolant mixture and check for leaks at operating temperature.

Quality Assurance

This Dayco radiator coolant hose is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications for cooling-system service. It is listed for 1993-1997 Lexus GS300 lower hose applications and is identified by part number 71885.