Dorman 540-008 Suspension Ball Joint - Rear Upper

Dorman 540-008 Rear Upper Ball Joint

Dorman 540-008 is a bolt-in suspension ball joint for select Ford Taurus and Mercury Sable applications. It is precision-engineered and tested as a direct replacement for the original equipment part on the listed vehicles, with a greaseable design and included dust boot for serviceable suspension maintenance.

Key Features

• Fits 1996-2005 Ford Taurus, rear upper
• Fits 1996-2005 Mercury Sable, rear upper
• Fits 1996-2001 Ford Sable, rear upper
• Bolt-on / bolt-in mounting style for the specified applications
• Steel construction with grey finish
• Greaseable design with grease fitting included
• Dust boot, castle nut, cotter pin, cotter pin hole, and mounting hardware included
• Tapered stud design with 21 mm wrench size
• Standard suspension grade replacement

Detailed Description

This Dorman suspension ball joint, part number 540-008, is built for rear upper suspension service on select Ford Taurus and Mercury Sable models. The steel body and bolt-in configuration are matched to the listed fitments, while the greaseable construction supports routine lubrication service. Dorman 540-008 cross-references MOOG Chassis Products K500208 for the same application.

For shoppers searching for a rear upper ball joint for 1996-2005 Ford Taurus or 1996-2005 Mercury Sable, this replacement is designed around the original mounting style and dimensions listed by the manufacturer. The assembly includes a dust boot and tapered stud, helping restore proper suspension connection at the rear upper position.

What It Helps Address

• Excessive play or looseness in the rear upper suspension joint
• Clunking or knocking noises from worn suspension components
• Uneven tire wear related to suspension joint wear
• Steering or handling instability caused by a deteriorated ball joint
• Service issues on greaseable suspension joints that need replacement

Installation Notes and Tips

Verify vehicle year, make, model, and rear upper position before ordering. This part uses a bolt-in mounting type and a tapered stud, so confirm the existing suspension design and fastener interface match the listed application. Follow factory service procedures for torque specifications and alignment checks after installation.

Quality Assurance

Dorman designs this replacement ball joint to meet the needs of the specified OE-style application and subjects it to testing for fit and function on the listed vehicles. Part number 540-008 is intended for direct replacement service on compatible Ford Taurus and Mercury Sable rear upper suspension applications.