Rockwell Axle Parts List

Pinion Shaft Parts OEM PN Alternative PNs

Pinion Seals 7521241 / S-E725 12470104 / A-1205-U-515

Main Pinion Bearing 712157 / S-17589 Timken 29585 / 29521

Support Pinion Bearing 714009 / S-17590 Timken 22780 / 22720

Pinion Shim Pack 7521764

Pinion Nut 7521234

Pinion Nut Washer 7521235

Intermediate Shaft Parts OEM PN Alternative PNs

Int. Shaft Main Bearing 10937642 / S-17588 Bower M-1215T

Int. Shaft Support Bearing MS19081-193 Bower M-1215T

Gaskets OEM PN

Rebuild Gasket Kit 7521735 / 5330-00-752-1735

Top Cover Gasket 7521780 / 5330-01-170-4979

Side Cover Gasket 7521671 / 5330-01-392-0308

Differential Parts OEM PN Alternative PNs

Carrier Bearings MS19081-103 / 3110-00-572-9126 Timken 395 / 394A

Drain Plug 7521743 / 4730-00-595-4827

Fill Plug 7326126 / 5365-00-732-6126

Fill Plug Copper Gasket 7748905

Steering Knuckle Parts OEM PN Alternative PNs

Dust Boot (Silicone) S-19212 8376530BL

Dust Boot (w/ Zipper) 7410883 / 7415911

Dust Boot (OEM) 8376530 / S-13961

Outer Dust Boot Clamp 7071099 / S-F309

Inner Dust Boot Clamp 7071100 / S-F310

King Pin Bushing 5283738 / S-16162

King Pin Bushing Spacer Kit 10896717 / 2530-01-079-8450

King Pin Bushing Reemer 1-3/16″ to 1-11/32″

Hub Parts OEM PN Alternative PNs

Axle Flange Bolts 7521631

Axle Drive Flange Gasket 7521787 / S-17624 298446 / 2208T306

Spindle Nut 7521633 / S-F236 1227M13 / 298443

Spindle Nut Lock Washer 7521650 / S-16997 1229-G-969

Outer Wheel Bearing Seal 7061238 / S-C421 5330007061238

Outer Wheel Bearing 10945151 / S-141-76 Timken 3994/3920

Inner Wheel Bearing 10948079 / S-14175 Timken 392/3920

King Pin Bushing Spacer Kit 10896717 / 2530-01-079-8450

King Pin Bushing Reemer 1-3/16″ to 1-11/32″

Spindle Bushing 7521681 / S-15515

Wheel Stud (RH) 7521661 / S-13699

Wheel Stud (LH) 7521660 / S-13698

Lug Nut (RH) 537803 / S-37888 3/4″-16 (RH)

Lug Nut (LH) 537804 / S-37889 3/4″-16 (LH)

Axle Shaft Parts OEM PN Alternative PNs

Thrust Washer (Outer) 8738033

Thrust Washer (Inner) 8738034

U-Joint (Snap Ring Style) 8738036 / 538395R91 CP750N / CP750N1

Axle Shaft Seal Retainer 8738031

Front Axle Shaft Seal 7521789 / 8738083 7521789 / 8738032

King Pin Bushing 5283738 / S-16162

King Pin Bushing Spacer Kit 10896717 / 2530-01-079-8450

King Pin Bushing Reemer 1-3/16″ to 1-11/32″

Tie Rod Ends OEM PN

Tie Rod End (RH) 7521601 / S-E997

Tie Rod End (LH) 7521602 / S-E998