Suspensia X30BJ0584 Suspension Ball Joint - Front Upper

Brand Suspensia X30BJ0584
Position Front Upper
Material Steel
Attachment Type Press in
Pre-Greased Yes
Castle Nut Included No
Grease Fitting Included No
Dust Boot Included Yes
Cotter Pin Included No
Grade Type Regular
Housing Material Steel
Boot Material Rubber
Adjustable No
Locking Nut Included Yes
Greaseable No
Boot Color Black
Bearing Material Composite
Dust Boot Material Rubber
Mounting Plate Included No
9906 Yes
Dust Boot Color Black
Washer Included No
Fits Lexus · 5 vehicles

Direct OE fit. Press-in suspension ball joint with OE look and no modifications needed.

Steel construction. Durable housing and composite bearing materials for dependable performance.

Pre-greased design. Includes a rubber dust boot to help keep contaminants out.

Cross-references Dorman - OE Solutions 539-830, 4861059025 and 4863059025 for the same application. See all 4.

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Suspension Ball Joint for Lexus IS300

Restore precise front suspension movement with this Suspensia suspension ball joint, part number X30BJ0584. It is built for direct OE fit and OE look, with a press-in steel housing, pre-greased construction, and a rubber dust boot for dependable service on the front upper suspension of the Lexus IS300.

Key Features

  • Fits 2001-2005 Lexus IS300, front upper
  • Suspensia part number X30BJ0584
  • Press-in attachment type for OE-style installation
  • Steel housing and steel material construction
  • Pre-greased and non-greaseable design
  • Rubber dust boot included in black
  • Locking nut included
  • Composite bearing material

Product Details

The X30BJ0584 is a suspension ball joint engineered for the front upper position on 2001-2005 Lexus IS300 models. Suspensia manufactures chassis parts to OE or better quality standards in automated facilities, and this ball joint reflects that approach with a direct-fit design, steel housing, and a sealed, pre-greased layout for consistent operation. This part cross-references Dorman OE Solutions 539-830 for the same application.

For Lexus IS300 front suspension service, X30BJ0584 helps maintain proper joint articulation between suspension components while preserving factory-style fitment. The included rubber dust boot helps protect the joint from road contamination, and the press-in design matches the original mounting style used on the vehicle.

What This Part Helps Address

  • Front suspension looseness or play
  • Clunking or knocking from the upper suspension area
  • Uneven steering response caused by worn joint movement
  • Boot damage that exposes the joint to dirt and moisture
  • Restoration of OE-style front upper suspension geometry

Installation Notes

Fits 2001-2005 Lexus IS300, front upper. This is a press-in ball joint, so proper suspension service tools and correct press procedures are required for installation. Inspect the surrounding control arm and mounting surfaces before installation, and verify alignment after replacement. Part number X30BJ0584 should be matched to the vehicle application before service begins.

Quality Assurance

Suspensia chassis parts are produced in an IATF 16949:2016, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and ISO 50001:2018 certified facility with automated assembly processes. The brand positions this part as an OE-fit replacement for North American aftermarket suspension service.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2005LexusIS300Front Upper
2004LexusIS300Front Upper
2003LexusIS300Front Upper
2002LexusIS300Front Upper
2001LexusIS300Front Upper
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - OE Solutions — 539-83048610590254863059025BJ64066