Delphi TC2901 Suspension Ball Joint - Front Lower

Brand Delphi TC2901
Position Front Lower
Adjustable No
Ball Joint Assembly Yes
Bushings Included No
Castle Nut Included Yes
Color Gray
Cotter Pin Hole Yes
Cotter Pin Included Yes
Dust Boot Included Yes
Dust Boot Material Choloroprene Rubber (CR)
Grease Fitting Included No
Greaseable No
Height 3.622
Height 92.0
Item Grade Standard Replacement
Material Steel
Maximum Outside Diameter 1.724
Maximum Outside Diameter 43.8
Mount Plate Included No
Mounting Hardware Included Yes
Mounting Hole Quantity 0
Mounting Type Pressed
Nuts Included Yes
Stud Tapered End 1 Diameter 0.577
Stud Tapered End 1 Diameter 14.65
Stud Tapered End 2 Diameter 0.709
Stud Tapered End 2 Diameter 18.0
Stud Thread Diameter 0.472
Stud Thread Diameter 12.0
Stud Thread Length 0.925
Stud Thread Length 23.5
Stud Thread Pitch 1.25
Stud Type Threaded
Suspension Grade Type Standard
Tapered Stud Yes
Washers Included No
Width 43.8
Fits Honda and Acura · 12 vehicles

Standard replacement. OE expertise and dimensional analysis help ensure compatibility.

Steel construction. Built with a dust boot and pressed mounting for dependable service.

Complete assembly. Includes mounting hardware, castle nut, cotter pin, and nuts.

Cross-references Beck/Arnley 102-6447, Beck/Arnley 102-6448 and Dorman - Premium CB59044PR for the same application. See all 11.

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OE-Style Front Lower Ball Joint

Delphi TC2901 is a standard replacement suspension ball joint for the front lower position on select Acura MDX and Honda Pilot applications. Built with OE-focused dimensional and material analysis, it is made to match the original fit and steering geometry expected in these vehicles.

Fits 2001-2006 Acura MDX, front lower. Fits 2003-2008 Honda Pilot, front lower. This part cross-references MOOG Chassis Products (e.g., K80281) for the same application.

Key Features

  • Steel construction with a gray finish
  • Pressed mounting type for front lower suspension use
  • Dust boot included with chloroprene rubber (CR) material
  • Castle nut, cotter pin, cotter pin hole, and mounting hardware included
  • Threaded stud design with tapered stud ends
  • Standard replacement, non-adjustable, non-greaseable design
  • OE-focused dimensional and material analysis for fit consistency
  • Tested for temperature extremes below -40 C and above 120 C
  • Exposed to 720 hours of salt spray during validation

Detailed Description

Delphi TC2901 front lower suspension ball joint is engineered for direct replacement service on the Acura MDX and Honda Pilot listed in the fitment data. It uses a pressed mounting design, steel construction, and a threaded tapered stud to support proper suspension articulation and secure connection at the lower control arm. The included dust boot helps protect the joint from contamination, while the supplied castle nut and cotter pin support correct fastening during installation. Delphi applies OE-level dimensional and material analysis to help maintain the original interface between the replacement part and the vehicle suspension.

Fits 2001-2006 Acura MDX, front lower. Fits 2003-2008 Honda Pilot, front lower. Delphi TC2901 is also referenced by part number TC2901 for catalog and search use.

Common Problems This Part Can Address

  • Front suspension looseness or play at the lower control arm
  • Clunking or knocking from the front end over bumps
  • Uneven tire wear caused by worn ball joint movement
  • Steering wander or imprecise front-end response
  • Visible boot damage or contamination at the joint

Installation Notes and Tips

Verify the vehicle is listed in the fitment data before ordering. This is a pressed-in front lower ball joint, so proper removal and installation tools are required to service the control arm safely. Inspect the surrounding suspension components, fasteners, and alignment settings during replacement. After installation, a wheel alignment is recommended to confirm correct suspension geometry.

Quality Assurance

Delphi validates this suspension ball joint through extreme temperature testing and extended salt-spray exposure to support OE-level durability expectations. The brand’s OE background and dimensional analysis process are used to help maintain consistent fit and performance in aftermarket service. Part number TC2901 is built as a standard replacement for the listed Acura MDX and Honda Pilot applications.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2008HondaPilotFront Lower—
2007HondaPilotFront Lower—
2006AcuraMDXFront Lower—
2006HondaPilotFront Lower—
2005AcuraMDXFront Lower—
2005HondaPilotFront Lower—
2004AcuraMDXFront Lower—
2004HondaPilotFront Lower—
2003AcuraMDXFront Lower—
2003HondaPilotFront Lower—
2002AcuraMDXFront Lower—
2001AcuraMDXFront Lower—
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 102-6447Beck/Arnley — 102-6448Dorman - Premium — CB59044PRMevotech Supreme — MK80281MOOG Chassis Products — K8028152-171451350-S3V-A03BJ06027BJ59255CB59044JBJ971