Dayco 80215 Engine Coolant Reservoir Hose - Upper

Overview

Dayco 80215 is an engine coolant reservoir hose for upper cooling system routing. It is built for direct replacement service on select full-size GM sedans, helping restore proper coolant transfer between the reservoir and the cooling circuit.

Compatible With 2006-2011 Buick Lucerne, upper, and 2006-2010 Cadillac DTS, upper. This part number, 80215, is a fitment-specific cooling hose solution for vehicles that use an upper coolant reservoir hose in the listed applications.

Key Features

• Engine coolant reservoir hose for upper cooling system routing
• Direct replacement format for service on listed applications
• Fitment-specific design for select Buick and Cadillac models
• Dayco part number 80215 for catalog and service identification

Detailed Description

Dayco 80215 is intended for cooling system hose replacement where the upper coolant reservoir connection is part of the vehicle’s factory layout. It is a practical service part for restoring coolant flow between the reservoir and the rest of the cooling system on the Buick Lucerne and Cadillac DTS applications listed here. Use part number 80215 when matching the correct hose configuration for these vehicles.

Common Issues Addressed

• Cracked or deteriorated coolant reservoir hose material
• Coolant seepage at the upper hose connection
• Restricted coolant transfer caused by a damaged hose
• Cooling system service needs on aging Buick Lucerne and Cadillac DTS models

Installation Notes

Verify the vehicle’s upper hose routing and reservoir connection before installation. Match the replacement to the original hose layout and inspect adjoining cooling system components for wear, leaks, or contamination during service. Confirm fitment by model year and position before ordering.

Quality Assurance

Dayco is a recognized supplier of automotive belts and cooling components, and part 80215 is cataloged for the specific applications shown in the fitment data.