Voltage Regulator Rectifier for Polaris Magnum, Sportsman & Xplorer 400 425 500 1994-1999
Voltage Regulator Rectifier for Polaris Magnum, Sportsman & Xplorer 400 425 500 1994-1999
SKU:RM30N03
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Voltage Regulator Rectifier for Polaris Magnum, Sportsman and Xplorer
Polaris Magnum, Sportsman, Xplorer, Xpress and Big Boss 400 425 500 - 1994 to 1999 - RMSTATOR RM30N03
This is a brand new aftermarket voltage regulator rectifier for Polaris Magnum, Sportsman, Xplorer, Xpress and Big Boss machines built between 1994 and 1999, covering the 400, 425 and 500 class models. It is supplied under RMSTATOR part number RM30N03 and is a direct replacement for the original unit fitted at the factory. Fitment is plug and play with the standard five pin plug, so there is no assembly, no splicing and no adapter loom required.
A regulator rectifier does two jobs at once. It converts the alternating current produced by the stator into the direct current the battery and the rest of the electrical system need, and it holds that output at a controlled level so the battery is neither left flat nor boiled dry by overcharging. This unit is built with a higher grade of electrical components and an improved heat sink compared with the original part, which lifts its charging capability and helps it cope with the heat that ends the life of so many factory regulators. Every unit is tested before it is shipped.
Key Features
- Brand new aftermarket unit, not a repaired or refurbished part
- Direct replacement for the original Polaris unit
- Plug and play, direct fit, easy installation
- No assembly required before fitting
- Higher grade of electrical components than the original
- Improved heat sink for better thermal management
- Improved charging capability
- Quality that exceeds the OEM equipment
- Five pin plug with five wires, as fitted at the factory
- Maximum charging current of 50 A / 500 W
- Every unit tested before shipping
- RMSTATOR part number RM30N03
Technical Specs
| Specification | Detail |
|---|---|
| Part Number | RM30N03 |
| Width | 75 mm |
| Length | 90 mm |
| Height | 17 mm |
| Wire Lengths | 190 mm, 180 mm, 165 mm, 145 mm, 140 mm |
| Number of Plugs | 5 |
| Number of Pins | 5 |
| Minimum Charging Voltage | 14.5 V +/- 0.5 V |
| Maximum Charging Current | 50 A / 500 W |
| Open Circuit Voltage | < 15 V |
| Operation Temperature | -20°C to 85°C |
Vehicle Fitment Guide
Years shown are the overall coverage span for this part. Please confirm against the OEM part number on your original unit before ordering.
| Make & Model | Years |
|---|---|
| Polaris Magnum | 1994-1999 |
| Polaris Sportsman | 1994-1999 |
| Polaris Xplorer | 1994-1999 |
| Polaris Xpress | 1994-1999 |
| Polaris Big Boss | 1994-1999 |
| Engine sizes covered | 400, 425 and 500 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 4060133 | Polaris |
| 4060113 | Polaris |
| 2205046 | Polaris |
| RM30N03 | RMSTATOR |
Frequently Asked Questions
Will this fit my Polaris without modification?
Yes. This is a direct replacement for the original unit, with the same five pin plug and five wires, so it connects straight to the standard harness. No assembly, cutting or splicing is needed. Because Polaris used more than one regulator across this period, please check the part number stamped on your existing unit against the cross reference table above before ordering.
What is included?
You receive the voltage regulator rectifier itself, with its five wires and five pin plug, ready to connect. No extra hardware is listed for this item, so keep the original mounting bolts from the unit you are removing.
How do I know my old regulator rectifier has failed?
The usual signs are a battery that will not hold charge, or the opposite, a battery that is boiling and losing electrolyte because the unit is no longer limiting the voltage. Dim or flickering lights, repeatedly blown bulbs, and a charging voltage measured at the battery that sits well outside the 14.5 V +/- 0.5 V range with the engine running all point the same way. A regulator that is too hot to touch shortly after a run is another common symptom.
How much charging output can this unit handle?
It is rated for a maximum charging current of 50 A / 500 W, with a minimum charging voltage of 14.5 V +/- 0.5 V and an open circuit voltage below 15 V. It is rated to operate between -20°C and 85°C, so it is happy in UK winter cold and in summer engine bay heat alike.
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