Pro 4 Series Ball Joints - RB1U39G

Spec sheet

Collected from 1 supplier page - confirm fit with the supplier before ordering.

Description The Probearing Pro 4 Series Ball Joints are built to outperform uniballs in aftermarket upper control arms. Featuring a high-strength 4140 steel ball stud and 4140 housing, they provide higher side impact strength and durability. In addition to their increased strength, they enhance on-road steering feel, providing better straight-line stability and smoother return to center. With 76 degrees of articulation, they allow maximum suspension travel without sacrificing pull-out strength. Features SAE4140 housing SAE4140 ball stud 76 degrees of articulation Zinc yellow coating Sintered bearings What's Included (2) Pro 4 Series Ball Joints (2) Snap Ring (2) Nylon Nut Compatibility PB SKU DK Compatible SKU Vehicle RB1U39A DK-811993 05-23 Tacoma RB1U39E DK-817993 24+ Tacoma RB1U39B DK-812993 03-24 4Runner/07-14 FJ Cruiser RB1U39B DK-815993 07-21 Tundra RB1U39C DK-636993 19-Current GM 1500 RB1U39G DK-631993 07-16 GM 1500 (Cast Steel Suspension) RB1U39C DK-635993 16.5-18 GM 1500 (cast Aluminum & Stamped Steel Suspension RB1U39D DK-541993 09-Current Ram 1500 RB1U39A DK-701993 04-Current Titan (non-XD) RB1U39F DK-927993 21+ Bronco RB1U39D DK-922993 04-20 F-150 RB1U39E DK-816993 22+ Tundra RB1U39D DK-638993 11-Current GM 2500/3500 * Not an OE replacement ball joint, this ball joint is aftermarket *

Suppliers (1)

• Dirt King Fabrication

  Pro 4 Series Ball Joints - RB1U39G · Orderable · stock unverified

  Checked Nov 5, 2026
  $130.00
  View at supplier

Specifications and fitment

Selection

RB1U39G

Price history