Dayco 71029 Radiator Coolant Hose - Upper

Dayco Curved Radiator Hose 71029

Dayco 71029 is a curved radiator coolant hose built for upper radiator routing on select Chevrolet, Pontiac, Oldsmobile, and GM applications. Made from EPDM rubber and formed as a dual I.D. hose, it provides the correct transition between 1 1/4 in. and 1 1/2 in. connections for the listed vehicles.

This Dayco Curved Radiator Hose line is focused on OE-style cooling system replacement with application-specific shapes and dimensions. For buyers searching for an upper radiator hose for a 1980-1988 Chevrolet Caprice or a 1980-1985 Chevrolet Impala, Dayco 71029 matches the listed fitment and hose configuration.

Key Features

• EPDM construction for cooling-system service
• Black finish
• Dual I.D. hose design with 1 1/4 in. end 1 and 1 1/2 in. end 2
• Curved upper radiator hose profile
• Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• No heat shield and no protective sleeve

Detailed Description

Dayco 71029 is a radiator coolant hose for upper-position cooling system routing on select classic GM vehicles. The curved shape and dual inside diameter design help match the factory hose path on applications such as Chevrolet Caprice, Chevrolet Impala, Chevrolet Camaro, Chevrolet Corvette, Pontiac Firebird, and related models listed in the fitment data. If you need a Dayco 71029 replacement for an upper radiator hose service, this part is specified for those exact applications.

This part cross-references ACDelco 26064X and Gates 21204 for the same application.

What It Helps Address

• Cracked or aged upper radiator hose material
• Coolant leaks at the hose connection points
• Incorrect hose shape on curved upper radiator routing
• Fitment issues from mismatched inside diameters
• Cooling system service on Chevrolet Caprice, Impala, Camaro, Corvette, and Pontiac Firebird applications

Installation Notes and Tips

• Verify the hose path, end diameters, and upper-position routing before installation.
• Inspect hose necks, clamps, and adjoining cooling system components for wear or corrosion.
• Confirm vehicle configuration details in the fitment notes, including air conditioning and heavy-duty cooling references where listed.
• Use the listed SAE specifications and dimensions to compare against the removed hose before installation.

Quality Assurance

Dayco 71029 is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC requirements, supporting consistent material and dimensional standards for radiator hose replacement.