Dayco 71894 Radiator Coolant Hose - Upper

Dayco Curved Radiator Hose 71894

Dayco 71894 is a curved radiator coolant hose built for upper cooling-system routing on select Toyota and Lexus applications. Made from EPDM rubber with a black finish, it uses a single I.D. hose design and matches the specified 1 7/16-inch inside diameter at both ends.

For drivers searching for a replacement upper radiator hose for 1993-1997 Toyota Land Cruiser or 1996-1997 Lexus LX450, this hose provides the correct curved profile and SAE-rated construction for the application. The Dayco Curved Radiator Hose line focuses on application-specific hose shapes and dimensions for direct cooling-system service.

Key Features

• Part number 71894 for select upper radiator hose applications
• EPDM construction for cooling-system use
• Black hose with curved routing profile
• 1 7/16-inch inside diameter at both ends
• Single I.D. hose design
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Fits upper hose positions on listed Toyota and Lexus vehicles

Detailed Description

Dayco 71894 is a curved radiator hose engineered for upper coolant transfer in the cooling system. Its EPDM material is specified for radiator hose service, while the curved shape supports the routing needed on the listed vehicles. This hose is a direct-fit style replacement for 1993-1997 Toyota Land Cruiser, upper, and 1996-1997 Lexus LX450, upper. The part number 71894 is also a useful reference when cross-checking cooling hose listings for these applications.

This part cross-references Toyota (e.g., 16571-66030) for the same application.

What It Helps Fix

• Cracked or split upper radiator hose
• Coolant leaks at the hose body
• Softening or swelling from heat and age
• Restricted coolant flow caused by hose deterioration
• Incorrect hose shape or diameter during cooling-system repair

Installation Notes and Tips

Verify the hose routing, end diameters, and upper-position fitment before installation. Inspect the mating necks, clamps, and nearby cooling components for wear or corrosion, and replace any damaged hardware as needed during service. Confirm the hose seats fully and follows the original curved path without kinks or twist.

Quality Assurance

Dayco specifies this hose to SAE J20R4 Class D-1 and SAE J1684 Type EC standards for radiator hose service. The EPDM construction and application-specific dimensions support reliable cooling-system replacement on the listed Toyota Land Cruiser and Lexus LX450 models.