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Regulator Rectifier MOSFET for Harley Davidson Sportster 1200 2008-2013

Regulator Rectifier MOSFET for Harley Davidson Sportster 1200 2008-2013

SKU:RM30342

Regular price £111.30 GBP
Regular price £133.56 GBP Sale price £111.30 GBP
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MOSFET Voltage Regulator Rectifier - RM30342

Harley Davidson Sportster 883 and Sportster 1200 - 2008-2013

A brand new MOSFET voltage rectifier regulator for the Harley Davidson Sportster 883 and Sportster 1200. Stop burning your regulator rectifier - it is time to update or replace your voltage regulator with the advanced MOSFET type. A MOSFET unit runs cooler than all OEM diode style regulators, and this rectifier also carries overheat protection: rather than burn up it simply turns off for a while and cools off.

This is a direct replacement to your original unit. It is plug-and-play and a direct fit, so installation is easy and no rewiring is needed. The quality exceeds the OEM equipment, with a higher grade of electric components, an improved heat sink and improved charging capabilities. All shipped products are tested. It replaces Harley Davidson part numbers 74546-07, 74546-07A and 74711-08, so the number stamped on your existing regulator is the quickest way to confirm you are ordering the right unit.

Key Features

  • Advanced MOSFET type - runs cooler than OEM diode style regulators
  • Overheat protection - turns off and cools off rather than burning up
  • Direct replacement to your original unit
  • Plug-and-play, direct fit, easy installation
  • The quality exceeds the OEM equipment
  • Improved heat sink and charging capabilities
  • Higher grade of electric components
  • All shipped products are tested

Technical Specs

Specification Detail
Part number RM30342
Width 68 mm
Length 96 mm
Height 37 mm
Wires length 250 mm
Fixation holes centre to centre 82 mm
Number of plugs 2
Number of pins 4
Number of wires 4
Minimum charging voltage 14.5 V +/- 0.5 V
Maximum charging current 50 A / 500 W
Open circuit voltage Less than 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
Harley Davidson Sportster 883 2008-2013
Harley Davidson Sportster 1200 2008-2013

OEM Part Number Cross Reference

Aftermarket replacement. OEM part numbers are listed for reference only.

Part Number Manufacturer / Brand
74546-07 Harley Davidson
74546-07A Harley Davidson
74711-08 Harley Davidson

Frequently Asked Questions

Will I need to modify my loom to fit this?

No. It is a direct replacement to your original unit, plug-and-play and a direct fit, so installation is easy. The unit has 2 plugs, 4 pins and 4 wires with 250 mm of wire length, and the mounting holes are 82 mm apart centre to centre.

What is included?

You receive the RM30342 MOSFET voltage regulator rectifier, measuring 68 mm wide by 96 mm long by 37 mm high. All shipped products are tested before they leave us.

How do I tell whether my existing regulator rectifier has failed?

Measure the voltage at the battery with the engine running. A healthy system reaches a minimum charging voltage of 14.5 V +/- 0.5 V and keeps open circuit voltage below 15 V. A flat battery, dim lighting, or a reading that sits outside that range typically points to a failed unit. Melted or blackened connector pins on the old regulator confirm it.

How do I confirm this is the correct part for my Sportster?

Check the number on your original regulator. This unit replaces Harley Davidson 74546-07, 74546-07A and 74711-08. If any of those numbers appear on your existing part, this is the right replacement. All item pictures are accurate, so you can also compare the item against your original part.

Dispatched from the UK · 12-month warranty · Fitment support from our technical team
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Shipping calculated at checkout. Free shipping over £150. Terms apply