Dorman 540-897 Coil Spring Insulator - Front Upper

Dorman 540-897 Coil Spring Insulator

Dorman 540-897 is a front upper coil spring insulator made from rubber elastomer material for specific Ram and Dodge suspension applications. It is precision-engineered and tested as a direct replacement for the original equipment part on select vehicles.

Key Features

• Rubber construction for suspension isolation and spring seating
• Round black insulator with a mounting-hole attachment design
• Specific fit replacement for select Ram and Dodge front upper applications
• Inside diameter: 89 mm; outside diameter: 155 mm; thickness: 10 mm
• Cross-references Mopar 52106717AA for the same application
• Part number 540-897 for easy identification during suspension repair

Detailed Description

This coil spring insulator is used at the front upper spring location to help separate the coil spring from the mounting surface and maintain proper suspension interface. Dorman 540-897 is built for vehicles including Ram 1500 Classic, Ram 1500, Ram 2500, Dodge Ram 1500, Dodge Ram 2500, Dodge Ram 3500, Dodge Dakota, and Dodge Durango, with fitment covering model years from 1994 through 2022 depending on application. The part number 540-897 is a direct OE-style replacement for specific front upper suspension service needs.

What It Helps Address

• Noise from worn or deteriorated spring isolators
• Metal-to-metal contact at the coil spring seat
• Improper spring cushioning at the front upper mount
• Cracked, compressed, or missing rubber insulator material
• Suspension service on Ram and Dodge front upper spring locations

Installation Notes and Tips

Install at the front upper coil spring position only on the listed applications. Verify spring seat dimensions, including the 89 mm inside diameter and 155 mm outside diameter, before installation. Mounting hardware is not included. Confirm vehicle year, make, model, and suspension configuration against the fitment list before ordering.

Quality Assurance

Dorman states this replacement insulator is precision-engineered and rigorously tested to match original equipment requirements on specific vehicles. It is a specific-fit suspension component for select Ram and Dodge applications, including Ram 1500 Classic, Ram 1500, and Dodge Ram 2500 front upper service.