Delphi TC4273 Suspension Ball Joint - Front Lower

Brand Delphi TC4273
Position Front Lower
Fits Acura · 2 vehicles

OE expertise. Delphi applies original-equipment know-how to its aftermarket steering portfolio.

Extreme testing. Built to handle temperatures below -40 C and above 120 C, plus 720 hours of salt spray.

Dimensional analysis. Careful material and size checks help ensure compatibility with the OE part.

Cross-references Dorman - OE Solutions 539-784, Mevotech Supreme MS60508 and Suspensia X17BJ0190 for the same application. See all 6.

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Front Lower Ball Joint for Acura RSX

Delphi TC4273 is a front lower suspension ball joint for 2005-2006 Acura RSX applications. It is built using Delphi OE-focused engineering and material analysis to support proper fit and dependable steering and suspension performance.

Key Features

  • Front lower suspension ball joint application
  • Fits 2005-2006 Acura RSX, front lower
  • OE-based dimensional and material analysis for fitment consistency
  • Tested for temperature extremes below -40 degrees C and above 120 degrees C
  • Exposed to 720 hours of salt spray during validation
  • Delphi TC4273 cross-references Dorman OE Solutions 539-784 for the same application

Detailed Description

Delphi TC4273 is a suspension ball joint for the front lower position on the 2005-2006 Acura RSX. Delphi applies OE safety technology and aftermarket steering expertise to this part, with validation focused on dimensional accuracy, material compatibility, and environmental durability. If you are replacing a worn front lower ball joint on an Acura RSX, this part is built to match the application requirements of the original component.

This part number, TC4273, is also referenced in aftermarket catalogs for related OE-style replacement needs on the Acura RSX platform. It is a direct-fit style suspension component for front lower service work on 2005-2006 Acura RSX models.

What It Helps Address

  • Front-end looseness or play from a worn ball joint
  • Clunking or knocking from the lower suspension area
  • Uneven steering response caused by suspension wear
  • Restoration of proper front lower joint articulation
  • Replacement of a damaged or fatigued Acura RSX front lower ball joint

Installation Notes and Tips

Verify the vehicle is a 2005-2006 Acura RSX with the front lower application before installation. Inspect surrounding suspension components, fasteners, and alignment settings during service, and confirm the replacement part matches the original mounting and position requirements. Professional installation is recommended for suspension work.

Quality Assurance

Delphi validates this part through extreme-temperature testing and extended salt-spray exposure, along with OE-based dimensional and material analysis to support fit and durability. Delphi TC4273 reflects the brand's OE engineering approach for aftermarket steering and suspension service.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2006AcuraRSXFront Lower—
2005AcuraRSXFront Lower—
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 539-784Mevotech Supreme — MS60508Suspensia — X17BJ019051210-T2A-K0151215-T2A-K0151220-T2A-305