MOSFET Regulator Rectifier – Polaris RZR 900 XP / RZR 4 900 XP EFI – Replaces 4013231 – 2011–2012
MOSFET Regulator Rectifier – Polaris RZR 900 XP / RZR 4 900 XP EFI – Replaces 4013231 – 2011–2012 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.
Returns
Returns
Start Your Return Online (Recommended)
- Log In: Sign into your account on our website.
- Select Order: Navigate to your order history and select the item you wish to return.
- Initiate Return: Follow the simple prompts to start your return.
This MOSFET regulator rectifier is a direct plug-and-play replacement for the Polaris RZR 900 XP and RZR 4 900 XP EFI side-by-side, covering 2011 and 2012 model years. Featuring improved heat dissipation and OEM-quality components, it ensures stable voltage output and protects against overheating, restoring correct charging system function with no modification required.
Manufactured from premium materials for consistent performance and long service life, this unit replaces Polaris OEM reference 4013231 and is a dependable aftermarket solution for servicing the Polaris RZR 900 XP range.
Fitment
| Model | Year Range |
|---|---|
| Polaris RZR 900 XP | 2011–2012 |
| Polaris RZR 4 900 XP EFI | 2012 |
Key Features
| Feature | Detail |
|---|---|
| Type | MOSFET Regulator Rectifier |
| Fitment | Plug-and-play — no modification required |
| Heat Dissipation | Improved over standard OEM unit |
| Protection | Guards against overheating and voltage instability |
| OEM Reference | Replaces Polaris 4013231 |
| Year Range | 2011–2012 |
OEM Cross-Reference
| OEM Part Number | Manufacturer |
|---|---|
| 4013231 | Polaris |
| APO6027 | Arrowhead |
| SH827AA | Shindengen |
Specifications
| Specification | Detail |
|---|---|
| Component | MOSFET Regulator Rectifier |
| Application | Polaris RZR 900 XP / RZR 4 900 XP EFI |
| Year Range | 2011–2012 |
| Condition | New |
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.




