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Delphi TC1278 Suspension Ball Joint - Front Inner Lower Right
| Brand | Delphi TC1278 |
|---|---|
| Position | Front Inner Lower Right |
| Adjustable | No |
| Ball Joint Assembly | Yes |
| Bushings Included | No |
| Castle Nut Included | No |
| Color | Gray |
| Cotter Pin Hole | No |
| Cotter Pin Included | No |
| Distance Between Mounting Holes | 138.0 |
| Dust Boot Included | Yes |
| Dust Boot Material | Choloroprene Rubber (CR) |
| Grease Fitting Included | No |
| Greaseable | No |
| Height | 3.87 |
| Height | 98.3 |
| Item Grade | Standard Replacement |
| Length | 171 |
| Material | Steel |
| Maximum Outside Diameter | 1.85 |
| Maximum Outside Diameter | 47.0 |
| Mount Plate Included | No |
| Mounting Bolts Included | No |
| Mounting Hardware Included | Yes |
| Mounting Hole Quantity | 2 |
| Mounting Type | Bolt On |
| Nuts Included | Yes |
| Stud Tapered End 1 Diameter | 0.65 |
| Stud Tapered End 1 Diameter | 16.5 |
| Stud Tapered End 2 Diameter | 0.835 |
| Stud Tapered End 2 Diameter | 21.2 |
| Stud Thread Diameter | 0.551 |
| Stud Thread Diameter | 14.0 |
| Stud Thread Length | 0.945 |
| Stud Thread Length | 24.0 |
| Stud Thread Pitch | 1.5 |
| Stud Type | Threaded |
| Suspension Grade Type | Standard |
| Tapered Stud | Yes |
| Washers Included | No |
| Width | 80.0 |
| Wrench Size | 0.866 |
| Wrench Size | 22.0 |
| Fits | Mini · 7 vehicles |
Standard replacement. Bolt-on suspension ball joint with included mounting hardware.
Steel construction. Built with a chloroprene rubber dust boot for added protection.
OE expertise. Delphi applies OE-level dimensional and material analysis for compatibility.
Cross-references Beck/Arnley 101-5564, Mevotech Supreme MS10508 and 31 12 6 753 992 for the same application. See all 10.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Delphi TC1278 Front Inner Lower Right Ball Joint
Delphi TC1278 is a standard replacement suspension ball joint built for the front inner lower right position on select Mini Cooper models. It combines a steel body, threaded stud design, and dust boot protection to support precise suspension movement and OE-style fitment.
Fits 2002-2008 Mini Cooper, front inner lower right. This Delphi TC1278 ball joint is built for drivers replacing worn steering and suspension components on Mini Cooper front suspension assemblies.
Key Features
- Steel construction with gray finish
- Ball joint assembly with dust boot included
- Bolt-on mounting type with mounting hardware included
- Threaded, tapered stud design for secure suspension connection
- Standard replacement suspension grade
- Grease-free design with no grease fitting
- Fits the front inner lower right position
Detailed Description
Delphi TC1278 is engineered as a standard replacement suspension ball joint for the front inner lower right location on 2002-2008 Mini Cooper models. Delphi applies OE-focused dimensional and material analysis to help ensure proper part-to-vehicle compatibility, and the component is tested for demanding temperature and corrosion exposure conditions. The steel housing, chloroprene rubber dust boot, and tapered threaded stud support stable suspension articulation in everyday driving conditions. This part cross-references Beck/Arnley 101-5564 for the same application.
Common Repair Symptoms
- Front-end clunking or popping over bumps
- Excessive play in the lower suspension joint
- Uneven tire wear caused by worn suspension geometry
- Loose or imprecise steering feel
- Visible dust boot damage or joint contamination
Installation Notes
Verify the front inner lower right position before installation and confirm the stud thread size, taper, and mounting-hole spacing against the original part. Because this is a bolt-on suspension ball joint, clean the mounting surface and inspect adjacent control arm and steering components for wear before assembly. Professional alignment is recommended after replacement on Mini Cooper front suspension repairs.
Quality Assurance
Delphi backs this suspension ball joint with OE-oriented engineering and validation practices, including temperature cycling and salt-spray exposure testing to evaluate durability in harsh conditions. The part number TC1278 is built to meet standard replacement expectations for the specified Mini Cooper application.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | Mini | Cooper | Front Inner Lower Right | — |
| 2007 | Mini | Cooper | Front Inner Lower Right | — |
| 2006 | Mini | Cooper | Front Inner Lower Right | — |
| 2005 | Mini | Cooper | Front Inner Lower Right | — |
| 2004 | Mini | Cooper | Front Inner Lower Right | — |
| 2003 | Mini | Cooper | Front Inner Lower Right | — |
| 2002 | Mini | Cooper | Front Inner Lower Right | — |
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