Polaris Sportsman Scrambler Ranger Starter Motor 1996–2014 | 3090188

Product Overview

Restore reliable electric starting performance to your Polaris ATV or UTV with this 12V 9-tooth starter motor.

Designed to replace Polaris OEM 3090188 and previous part number 3084981, this starter motor helps deliver dependable cranking power for compatible Polaris Sportsman, Scrambler, Ranger, Magnum, Trail Blazer, Big Boss, and related ATV / UTV models.

It is a practical replacement for common starter-related problems such as slow cranking, no-start issues, intermittent starter engagement, worn starter brushes, or a failed original starter motor.

Product Compatibility

Brand	Model	Sub-Model / Notes	Year Range	OEM Reference
Polaris	Sportsman 500	Carbureted versions	1996–2012	3090188, 3084981
Polaris	Sportsman 500 EFI	EFI models	2006–2010	3090188, 3084981
Polaris	Sportsman 400	Standard model	2001–2005	3090188, 3084981
Polaris	Sportsman 400 HO 4x4	HO model	2011–2012	3090188, 3084981
Polaris	Sportsman 450	Select models	2006–2007	3090188, 3084981
Polaris	Scrambler 500	Standard model	1997–2000	3090188, 3084981
Polaris	Scrambler 500 2x4	2x4 model	2001–2002	3090188, 3084981
Polaris	Scrambler 500 4x4	4x4 model	2001–2012	3090188, 3084981
Polaris	Ranger 400	Select UTV models	2010–2014	3090188, 3084981
Polaris	Ranger 500	4x4 / Crew / Midsize / Series models	2006–2013	3090188, 3084981
Polaris	Magnum 325	2x4 / 4x4	2000–2002	3090188, 3084981
Polaris	Magnum 330	2x4 / 4x4	2003–2006	3090188, 3084981
Polaris	Magnum 500	Select models	1999–2002	3090188, 3084981
Polaris	Big Boss 500 6x6	Utility ATV	1998–2002	3090188, 3084981
Polaris	Trail Blazer 330	Select models	2008–2013	3090188, 3084981

OEM Cross Reference

OEM / Interchange Number	Brand / Reference	Notes
3090188	Polaris	Current / replacement starter motor assembly number
3084981	Polaris	Previous number replaced by 3090188
18645	Lester	Common aftermarket starter reference
18645N	Aftermarket reference	Common replacement starter reference
SMU0061	Arrowhead / aftermarket	Common aftermarket starter reference
410-54020	Aftermarket reference	Common interchange number
410-54020R	Aftermarket reference	Common interchange number

Specifications

Specification	Details
Product Type	Electric Starter Motor
Voltage	12V
Gear Teeth	9 Teeth
Rotation	Clockwise, verify with original starter
Replacement OEM Numbers	3090188, 3084981
Application	Polaris ATV / UTV starting system
Vehicle Type	ATV, UTV, Quad
Installation	Direct replacement when OEM number and dimensions match

Key Features

• Replaces Polaris starter motor numbers 3090188 and 3084981
• Designed for selected Polaris Sportsman, Scrambler, Ranger, Magnum, and Trail Blazer models
• 12V 9-tooth starter motor for compatible Polaris ATV / UTV applications
• Helps restore reliable cranking and electric starting performance
• Tested for durability, reliability, and performance
• Suitable replacement for a weak, worn, or failed original starter motor