Description
Hustler OEM 603153 Dust Cap (Caster Fork Bearing)
The Hustler OEM 603153 Dust Cap is Designed to Protect your Mower’s Caster Fork Bearings from Dirt, Moisture, and Debris. This small but critical component helps Extend Bearing Life and Maintain Smooth Wheel Operation - Especially in Harsh Mowing Conditions.
⚠️ Before You Order – Verify Fitment
Dust Caps can vary by Diameter and Application. Please confirm your exact Model Number is listed in the Model Fit Chart Below before ordering.
Not sure? Contact us with your Hustler Model and Serial Number and we’ll help verify fitment.
What This Part Does
- Protects - To keep Dirt, Water and Debris from collecting on the Bearing Seal Surface
- Helps extend Bearing life
- Bolts On Using the Caster Fork Fasteners and Spacer Washers - Overlaps Caster Hub.
- Genuine Hustler OEM replacement for proper fit and durability
Part Details
- Brand: Hustler
- Part Number: 603153
- Type: Bolt-On Dust Cap
- Material: Metal
- Application: Caster Wheel Assembly Bearing Cover
- Color: Gold
Fits Select Hustler Models
Known Fitment Family References Include:
- X-ONE Series: 2016 - 2018 52", 54", 60", and 72" Side & Rear Discharge Models
- Super Z Series: 2011 - 2017 54", 60", 72" Side & Rear Discharge Models
- Super Z HD Series: 2013 - 2017 60", 72 Side & Rear Discharge Models
-
Diesel Z Series: 2025 - Earlier 60", 72" Side & Rear Discharge Models
- Super 104 Series: All Models
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 (2011 - 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