Dayco 72898 Radiator Coolant Hose - Upper

Curved Upper Radiator Hose for Buick and Chevrolet

Dayco 72898 is a curved radiator coolant hose built for upper cooling-system routing on select Buick Encore and Chevrolet Trax applications. It uses EPDM construction and a single I.D. hose design to match the specified fitment and hose dimensions.

Compatible With 2013-2021 Buick Encore, upper, and 2014-2021 Chevrolet Trax, upper. This Dayco Curved Radiator Hose line is focused on application-specific cooling hose replacement, with sizing and bend geometry intended to follow the original routing.

Key Features

• EPDM rubber construction for coolant-hose service
• Black finish
• Single I.D. hose design
• End 1 inside diameter: 1 5/16 in.
• End 2 inside diameter: 1 5/16 in.
• End 1 outside diameter: 1 23/32 in.
• End 2 outside diameter: 1 23/32 in.
• Trunk height: 15 1/2 in.
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications

Detailed Description

Dayco 72898 is a curved upper radiator hose for cooling-system service on the Buick Encore and Chevrolet Trax. The EPDM material is selected for radiator hose use, and the curved profile supports the factory-style hose path in the engine bay. For shoppers searching for a 2013-2021 Buick Encore upper radiator hose or a 2014-2021 Chevrolet Trax upper coolant hose, this part number provides a direct fitment reference.

The Dayco Curved Radiator Hose product line is built around vehicle-specific hose shapes and dimensions, helping match the original upper hose layout without relying on universal sizing. Part number 72898 is identified for the listed applications and dimensions, making it a practical replacement when the original hose shows wear, cracking, or leakage.

What This Hose Helps Address

• Coolant seepage from a worn upper radiator hose
• Cracking or hardening in the original EPDM hose
• Loss of proper hose shape at the upper radiator routing
• Cooling-system service on a Buick Encore upper hose replacement
• Cooling-system service on a Chevrolet Trax upper hose replacement

Installation Notes and Tips

Verify the hose routing, end diameters, and upper-position fitment before installation. Inspect adjoining clamps, necks, and coolant connections for wear or corrosion, and confirm the hose seats fully on both ends. After installation, refill and bleed the cooling system according to the vehicle service procedure and check for leaks at operating temperature.

Quality Assurance

This hose is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications for radiator hose applications. Part number 72898 is the reference to use when matching the listed Buick Encore and Chevrolet Trax upper radiator hose applications.