Delphi TC1277 Suspension Ball Joint - Front Inner Lower Left

Brand Delphi TC1277
Position Front Inner Lower Left
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. OE expertise and dimensional analysis help ensure compatibility.

Bolt-on installation. Includes mounting hardware for a straightforward install.

Steel construction. With a dust boot for added protection and durability.

Cross-references Beck/Arnley 101-5565, Mevotech Supreme MS10507 and MOOG Chassis Products K500110 for the same application. See all 11.

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Delphi TC1277 Front Inner Lower Left Ball Joint

Delphi TC1277 is a standard replacement suspension ball joint for the front inner lower left position on select Mini Cooper models. Built with a steel body, threaded tapered stud, and dust boot, it is made for direct-fit service on the specified application.

Fits 2002-2008 Mini Cooper, front inner lower left. This part cross-references MOOG Chassis Products (e.g., K500110) for the same application.

Key Features

  • Steel construction with gray finish
  • Ball joint assembly with dust boot included
  • Standard replacement suspension grade
  • Bolt-on mounting type with two mounting holes
  • Threaded tapered stud with 1.5 pitch
  • Mounting hardware and nuts included
  • Greaseable design not required; no grease fitting included

Product Details

Delphi TC1277 is engineered for the front inner lower left suspension position on 2002-2008 Mini Cooper models. Delphi applies OE-level dimensional and material analysis to help ensure proper fit between the original and replacement part, while its steering and suspension components are tested across extreme temperature and salt-spray exposure conditions to verify durability in demanding environments. The result is a direct replacement ball joint for routine suspension repair on the Mini Cooper platform.

Use Delphi TC1277 when servicing worn front suspension joints on a Mini Cooper, especially when restoring steering response and maintaining correct suspension articulation. The part number TC1277 is also commonly searched alongside OE-style replacement references for this application.

What It Helps Address

  • Front suspension looseness or play at the lower control arm connection
  • Clunking or knocking from the front inner lower suspension area
  • Uneven steering feel caused by worn ball joint components
  • Excess movement in the front left suspension joint
  • Inspection failure related to worn steering and suspension hardware

Installation Notes

Confirm the vehicle is a 2002-2008 Mini Cooper with the front inner lower left application before installation. Verify stud thread size, tapered stud dimensions, and mounting-hole spacing against the original part. Because this is a bolt-on suspension ball joint, proper torque and alignment procedures should be followed after installation. The part number TC1277 should be matched to the vehicle position exactly as listed.

Quality Assurance

Delphi uses OE-focused engineering practices for its aftermarket steering and suspension portfolio, including dimensional and material checks and environmental testing for temperature and corrosion resistance. That process supports consistent fit and dependable service for the Mini Cooper application covered by TC1277.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2008MiniCooperFront Inner Lower Left—
2007MiniCooperFront Inner Lower Left—
2006MiniCooperFront Inner Lower Left—
2005MiniCooperFront Inner Lower Left—
2004MiniCooperFront Inner Lower Left—
2003MiniCooperFront Inner Lower Left—
2002MiniCooperFront Inner Lower Left—
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 101-5565Mevotech Supreme — MS10507MOOG Chassis Products — K500110505-13583110 6779 4373112 67539913113 1489 294BJ29013FA2288JBJ746MN-F203