Hustler OEM 603164 Caster Fork Bearing Disc Fits X-ONE (2016 - 2018) / Super Z (2011 - 2017) / Super Z HD (2013 - 2017) / Diesel Z (2025 - Earlier) / Super 104 (All Model) Models.

603164 Bearing Disc

 

• Application: Made to Fit Perfectly Against the Bearing Surface on the Lower Roller Bearing on Front Caster Axle Assembly.
• Function: Installed Between the Caster Fork and the Lower Bearing Race the Bearing Disc is Design to Protect the Bearing Surface from Unwanted Moisture and Debris as well as Give it a Wearable Surface to Rotate Against If Tolerances are to Small Eliminating Metal to Metal Friction.
• Size: N/A
  

 

 

Suggested Parts Links

 

UPPER CASTER WELDMENT - CASTER FORK - WHEEL

 

• 705954 - Bolt (1/2 x 1 1/4 - 13) - Reference Number 1
• 798603 - Supporting Flat Washer - Reference Number 2
• 601375 - Rubber O-Ring (SAE - 14) - Reference Number 3
• 603153 - Bearing Dust Cap - Reference Number 4
• 784223 - Upper & Lower Bearing - Reference Number 5
• 387035 - Bearing Spacer - Reference Number 6
• 603164 - Bearing Disc - Reference Number 7
• 061101 - Nylon Nut (3/4 - 10) - Reference Number 8
• 025296 - Flat Washer - Reference Number 9
• 116890P - Caster Fork - Reference Number 10
• 041475 - Bolt (3/4 x 9 1/2 - 10) - Reference Number 11
• 606744 - Tire/Wheel Assembly - Reference Number 12 (For Individual Rebuild Parts References Refer to the Part Number) - 13 X 6.50 - 6 Pneumatic Tire 
• 607317 - Tire/Wheel Assembly - Reference Number 12 (For Individual Rebuild Parts References Refer to the Part Number) - 13 x 6.50 - 6 Non-Pneumatic Tire

 

 

 

Model Fit Chart 

 

 

X-ONE (2016 - 2018 Side & Rear Discharge Models)

 

936237, 936245US, 936252, 936260, 936278, 936286, 936294US, 936302, 936310, 936328, 936336

 

Super Z (2013 - 2017 Side & Rear Discharge Models)

 

929927, 929935, 929943, 929950, 930024, 930065, 930875, 931048, 932012, 932020, 932038, 932046, 932053, 932061, 932129, 932137, 932970, 932988, 933457, 933929US, 934216, 934224, 934232, 934240, 934265, 934273, 934281, 934984US, 934992, 935007, 935015US, 935023, 935031, 935049, 935056US, 935064, 937714, 937722

 

Super Z Hyper Drive (2013 - 2017 Side & Rear Discharge Models)

 

932145, 932152, 932160, 932178, 932186, 932996, 933002, 934307, 934315, 934323, 934349, 934687, 934695, 934919, 934927, 934935, 934943, 934950, 934968, 934976

 

Diesel Z (2025 - Earlier Side & Rear Discharge Models)

 

938233US, 938241US, 938258US, 938266US, 940452US, 940460US, 940478US, 940486US, 943233US, 943241US, 943249US, 943266US

 

Super 104 (All Models)

 

937201, 937219, 939462, 939470, 939603, 939652, 941005, 941526, 942318, 943217, 943225, 944058, 944066