Drive Axle Spindle – Compatible with 598A/SKF 580 Bearings & 37003A Seal
This Drive Axle Spindle Compatible with 598A/SKF 580 Bearings & 37003A Seal is designed for heavy-duty drive axle applications and reliable wheel-end performance. It features a slip-fit design manufactured to OEM dimensions for proper fitment. Installation is straightforward: cut and remove the old spindle, install the replacement spindle into the axle, and weld it securely following proper repair procedures. This spindle is designed for use with a 598A inner bearing, SKF 580 outer bearing, and seals including 37003A, TR0173, 47697, and 393-0173. When ordering, always verify the compatible bearings and seal part numbers before purchase.
| Type: | Heavy‐duty, Class 8 trucks |
| Recommended Fit For: | Rear Drive Axles |
| Warranty: | 1 year limited warranty |
| Compatible Parts: | Inner Bearing: 598 A, Outer Bearing: SKF 580, Wheel Seal: 37003A / TR0173 / 47697 / 393-0173 |
| Product Dimensions: | Inner Bearing: 92.075mm, Outer Bearing: 82.55mm, Wheel Seal: 121.031mm, Locknut: 3.25"-12 TPI |



