Hustler OEM 601375 Front Caster Fork Rubber O-Ring (SAE-14) Fits X-ONE (2016 - 2018) / Super Z (2011 - 2017) / Super Z HD (2013 - 2017) / Diesel Z (2025 - Earlier) / Super 104 (All Model) Models.

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606715 Rubber O-Ring Application: Assembled on top of the Dust Cap and Bearing Surface - A Made to Fit Perfectly Against the Inner Bearing Race on the Roller Bearing on Front Caste r Axle Assembly Function: Maintains Tension Constantly Between the Inner Bearing Race and the Hex Head Bolt and the Bolt Supporting Washer - Not Allowing the Hex Head Bolt to Easily Back Out or Become Loose from the Back & Forth Motion of the Caster Axle as well as Spacing the Flat Washer Away from the top of the Dust Cap Ensuring there is Not too Much Tension added to the Dust Cap and the Bearing Surface that May Hinder the Rotation of the Caster Fork. Size: SAE 14 Notes: When Assembling the Washer on Caster Fork Ass. - Be Sure to Install the 606715 Rubber O-ring into the Dust Cap Indention as Shown in the Diagram in the Image Section - When Tightening the Flat Washer on top of the 606715 O-Ring, The O-Ring will take its Correct Place. 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 Show more