Dayco 72082 Radiator Coolant Hose - Upper

Dayco 72082 Curved Radiator Hose Overview

The Dayco 72082 curved radiator hose is a molded upper coolant hose built for specific GM applications that require a 1 1/4-inch inside diameter at both ends. Made from EPDM rubber and formed as a single I.D. hose, it is engineered for coolant routing in the upper radiator circuit on select Cadillac, Pontiac, and Oldsmobile vehicles.

Compatible With 2000-2005 Cadillac DeVille, upper; 2004-2005 Pontiac Bonneville, upper; and 2001-2003 Oldsmobile Aurora, upper. This Dayco 72082 hose follows SAE J20R4 Class D-1 and SAE J1684 Type EC specifications for coolant hose service.

Key Features

• EPDM construction for coolant hose applications
• Black molded curved radiator hose design
• 1 1/4-inch inside diameter at both ends
• Single I.D. hose configuration
• Upper radiator hose placement
• Built to SAE J20R4 Class D-1 and SAE J1684 Type EC standards
• Dayco 72082 part number for direct catalog matching

Product Details

Dayco’s Curved Radiator Hose line focuses on molded coolant hoses shaped for specific engine bay routing and OE-style fitment. The Dayco 72082 is part of that line, using a curved profile to follow the factory hose path on the listed vehicles while maintaining consistent 1 1/4-inch end sizing. For buyers searching for a 2000-2005 Cadillac DeVille upper radiator hose, a 2004-2005 Pontiac Bonneville upper coolant hose, or a 2001-2003 Oldsmobile Aurora radiator hose, this part number provides a direct reference point.

This part cross-references ACDelco 26367X and Gates 22525 for the same application.

Common Problems This Hose Can Address

• Cracked or hardened upper radiator hose material
• Coolant seepage at the hose ends
• Incorrect hose routing from a previous replacement
• Softening or swelling from age and heat exposure
• Loss of coolant flow through a damaged upper hose

Installation Notes and Tips

• Verify the vehicle year, make, model, and upper hose routing before installation.
• Inspect the radiator neck and engine connection points for corrosion, residue, or sharp edges.
• Drain coolant to a safe level before removing the existing hose.
• Use the correct hose clamps for the application and confirm the hose seats fully on both 1 1/4-inch ends.
• After installation, refill the cooling system 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 requirements, supporting standardized coolant hose performance for the listed GM applications. The molded EPDM construction and application-specific shape are intended to match the original upper hose routing on compatible Cadillac, Pontiac, and Oldsmobile vehicles.