Starter Motor – Honda TRX420 / TRX500 Foreman / TRX520 / Pioneer 500 – Replaces 31200-HR0-F01 – 2007–2023
Starter Motor – Honda TRX420 / TRX500 Foreman / TRX520 / Pioneer 500 – Replaces 31200-HR0-F01 – 2007–2023 is backordered and will ship as soon as it is back in stock.
Delivery and Shipping info
Delivery and Shipping info
- Standard delivery (2-4 working days) - £4.99 on eligible UK mainland orders under £50.
- Express delivery - £6.99 on eligible UK mainland orders placed before 2pm.
- Large equipment including international orders are subject to different delivery rates and timescales.
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Returns
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This starter motor is a direct replacement for an extensive range of Honda TRX420, TRX500, TRX520, and Pioneer 500 ATV and UTV models, spanning 2007 to 2023. It restores reliable engine starting to standard specification with no modification required, superseding previous references SMU0418 and SMU0533.
Manufactured from premium materials for consistent performance and long service life, this starter replaces Honda OEM references 31200-HR0-F01 and 31200-HP5-601 and Mitsuba reference SM18, making it a highly dependable aftermarket solution for servicing this broad and long-running Honda Fourtrax and Foreman range.
Fitment
| Model | Engine | Year Range |
|---|---|---|
| Honda TRX420FM / TM Fourtrax | 420cc | 2007–2019 |
| Honda TRX420FE / TE Fourtrax | 420cc | 2007–2019 |
| Honda TRX420FA Fourtrax | 420cc | 2009–2019 |
| Honda TRX420FPA / FPE / FPM Fourtrax | 420cc | 2009–2013 |
| Honda TRX500FA Foreman | 499cc | 2015–2019 |
| Honda TRX500FE / FM Foreman | 475cc | 2012–2019 |
| Honda TRX500FPE / FPM Foreman | 475cc | 2012–2013 |
| Honda TRX520 (all variants) | — | — |
| Honda Pioneer 500 | 475cc | 2015–2020 |
Key Features
- Direct replacement starter motor for Honda TRX420, TRX500 Foreman, TRX520, and Pioneer 500
- Replaces Honda OEM references 31200-HR0-F01 and 31200-HP5-601
- Replaces Mitsuba reference SM18
- Covers 420cc, 475cc, and 499cc engine variants
- Spans 2007 to 2023 model years
- Supersedes previous references SMU0418 and SMU0533
- Manufactured from premium materials for long service life
- No modification required — like-for-like fitment
OEM Cross-Reference
| OEM Part Number | Manufacturer |
|---|---|
| 31200-HR0-F01 | Honda |
| 31200-HP5-601 | Honda |
| SM18 | Mitsuba |
| SMU0418 | Arrowhead |
| SMU0533 | Arrowhead |
| STH0418 | Hi Level |
| 18921 | Lester |
Specifications
| Specification | Detail |
|---|---|
| Component | Starter Motor |
| Application | Honda TRX420 Fourtrax / TRX500 Foreman / TRX520 / Pioneer 500 |
| Engine Variants | 420cc / 475cc / 499cc |
| Year Range | 2007–2023 |
| Supersedes | SMU0418 / SMU0533 |
| Condition | New |
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