Delphi TC284 Suspension Ball Joint - Front Lower Outer

Delphi TC284 Front Lower Outer Ball Joint

Delphi TC284 is a standard replacement suspension ball joint for the front lower outer position on select BMW applications. Built with a steel body, threaded stud, pressed mounting design, and included dust boot and mounting hardware, it is engineered for OE-style fit and dependable steering and suspension articulation.

For BMW 325i, 325is, 325e, 325es, 318i, 318is, and M3 applications, this Delphi ball joint supports precise front-end movement where the control arm and steering geometry meet. The Delphi TC284 is a direct-fit service part for restoring worn suspension joints on the front lower outer location.

Key Features

• Brand: Delphi
• Part number: TC284
• Suspension ball joint for front lower outer position
• Steel construction with gray finish
• Pressed mounting type with threaded, tapered stud
• Dust boot included
• Mounting hardware included
• Standard replacement / standard suspension grade
• Greaseable: No
• Adjustable: No

Detailed Description

Delphi TC284 is built for OE-style suspension service and is backed by Delphi’s dimensional and material analysis process to help maintain proper compatibility with the original application. The part is tested for extreme temperature exposure and salt-spray resistance as part of Delphi’s OE-focused validation approach, making it a practical choice for front suspension repair on BMW 325i, 325is, 325e, 325es, 318i, 318is, and M3 models. This part cross-references MOOG Chassis Products K9916 for the same application.

Common Problems This Part Can Help Address

• Front suspension looseness or play at the lower outer joint
• Clunking or knocking from the front end over bumps
• Uneven steering response or wandering
• Excessive tire wear caused by worn suspension articulation points
• Restoration of proper front lower outer joint movement

Installation Notes and Tips

Fits 1987-1993 BMW 325i, Front Lower Outer. Fits 1987-1991 BMW 325is, Front Lower Outer. Fits 1984-1987 BMW 325e, Front Lower Outer. Fits 1986-1987 BMW 325es, Front Lower Outer. Fits 1991-1992 BMW 318i, Front Lower Outer. Fits 1984-1985 BMW 318i, Front Lower Outer. Fits 1991 BMW 318is, Front Lower Outer. Fits 1988-1991 BMW M3, Front Lower Outer.

Verify the pressed-in joint orientation and stud taper before installation. Inspect the surrounding control arm, bushings, and fasteners for wear, and replace any damaged components during service to maintain correct suspension geometry.

Quality Assurance

Delphi applies OE-focused engineering and validation to its aftermarket steering and suspension portfolio. TC284 is built to meet the demands of front suspension service with attention to material fit, dimensional accuracy, and durability under temperature and corrosion testing.