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Delphi TC4172 Suspension Ball Joint - Front Lower Inner
| Brand | Delphi TC4172 |
|---|---|
| Position | Front Lower Inner |
| Maximum Outside Diameter | 2.087 |
| Maximum Outside Diameter | 53.00 |
| 10667 | No |
| Thread Direction | Counterclockwise (left) |
| Reinforced | No |
| Pre-Greased | Yes |
| Castle Nut Included | No |
| Grease Fitting Included | No |
| Suspension Grade Type | Standard replacement |
| Bushings Included | No |
| Dust Boot Included | Yes |
| Ball Joint Assembly | Yes |
| Type | Standard |
| Cotter Pin Included | No |
| Cotter Pin Hole | No |
| Mounting Hardware Included | Yes |
| Washers Included | No |
| Grade Type | Standard replacement |
| Adjustable | No |
| Bearing Type | Plastic |
| Greaseable | No |
| Stud Thread Length | 1.063 |
| Stud Thread Length | 27.00 |
| Steering Type | Power |
| Stud Type | Threaded |
| Mounting Type | Press-in |
| Dust Boot Material | Rubber |
| Mounting Bolts Included | No |
| Mount Plate Included | No |
| Tapered Stud | Yes |
| Fits | Mini · 9 vehicles |
OE-inspired engineering. Delphi applies OE expertise to its aftermarket steering and suspension parts.
Extreme-condition tested. Built to handle sub-zero cold, high heat, and 720 hours of salt spray.
Press-in replacement. Front lower inner ball joint with pre-greased, dust-booted assembly.
Cross-references Dorman - OE Solutions 521-074, Mevotech Supreme CMS101114 and Suspensia X34CJ2819 for the same application. See all 4.
Delphi TC4172 Front Lower Inner Ball Joint
Delphi TC4172 is a standard replacement suspension ball joint for the front lower inner position on select Mini Cooper models. It is built with OE-focused dimensional and material analysis to support proper fit and consistent steering and suspension performance.
Key Features
- Fits 2007-2015 Mini Cooper, front lower inner
- Delphi TC4172 suspension ball joint with press-in mounting type
- Pre-greased design with a rubber dust boot included
- Standard replacement grade with plastic bearing type
- Threaded stud with tapered end for secure suspension connection
- Mounting hardware included
- Counterclockwise (left) thread direction
Detailed Description
Delphi TC4172 is engineered for the front lower inner suspension location on 2007-2015 Mini Cooper applications. This ball joint uses a press-in mounting design and includes a dust boot to help protect the joint from road contamination. Delphi applies OE-style testing and dimensional analysis to support fitment consistency between the original part and the aftermarket replacement. The TC4172 is pre-greased, non-greaseable, and built as a standard replacement component for power steering applications. This part cross-references Dorman OE Solutions 521-074 for the same application.
What It Helps Address
- Front suspension looseness or play at the lower inner joint
- Clunking or knocking from the front suspension over bumps
- Uneven steering response caused by worn ball joint components
- Excess movement in the lower control arm connection
- Dust and contamination entering a worn joint area
Installation Notes and Tips
Fits 2007-2015 Mini Cooper, front lower inner. Verify press-in bore size, stud taper, and left-hand thread direction before installation. Because this is a press-in ball joint, proper suspension service tools are required for removal and installation. Confirm alignment after replacement to restore correct front-end geometry.
Quality Assurance
Delphi subjects steering and suspension parts to temperature extremes below -40 degrees C and above 120 degrees C, along with extended salt-spray exposure, to evaluate durability and corrosion resistance. Delphi TC4172 is backed by OE-focused engineering and testing practices used across its aftermarket steering portfolio.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2015 | Mini | Cooper | Front Lower Inner | — |
| 2014 | Mini | Cooper | Front Lower Inner | — |
| 2013 | Mini | Cooper | Front Lower Inner | — |
| 2012 | Mini | Cooper | Front Lower Inner | — |
| 2011 | Mini | Cooper | Front Lower Inner | — |
| 2010 | Mini | Cooper | Front Lower Inner | — |
| 2009 | Mini | Cooper | Front Lower Inner | — |
| 2008 | Mini | Cooper | Front Lower Inner | — |
| 2007 | Mini | Cooper | Front Lower Inner | — |
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