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STG50221 Starter Motor 31200-HM3-671 SM13422 410-54008 for Honda TRX300EX TRX300X ATV 1993-2009 | 12V 0.65KW 10T CW Replacement

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PRODUCT DETAILS

STG50221 Starter Motor 31200-HM3-671 SM13422 410-54008 for Honda TRX300EX TRX300X ATV 1993-2009 | 12V 0.65KW 10T CW Replacement

Part Numbers

Honda: 31200-HM3-671

Mitsuba: SM13422

Product Description

STG50221 Starter Motor is a new aftermarket replacement designed for Honda TRX300EX Sportrax and TRX300X all-terrain vehicles.

Featuring a 12V, 0.65KW, 10-tooth, clockwise-rotation starter design, this unit provides dependable engine cranking performance for Honda ATV applications.

The starter is designed to replace Honda 31200-HM3-671 and Mitsuba SM13422, with cross-references including Arrowhead SMU0029 / 410-54008 and Lester 18329. It is suitable for Honda TRX300EX models from 1993 through 2008 and the TRX300X model for 2009. Verify the original starter number and mounting dimensions before installation.

Product Specifications

Property	Value
Product Model	STG50221
Part Number	31200-HM3-671
Unit Type	Starter
Product Type	ATV Starter Motor
Voltage	12V
Power Output	0.65KW
Number of Teeth	10T
Rotation	CW
Starter Type	Direct Drive / Motorcycle ATV Starter
Engine Displacement	281cc / 282cc
Engine Type	Honda Single-Cylinder Gasoline Engine
Compatible Vehicle Brand	Honda
Application	ATV / All-Terrain Vehicle
Condition	New Aftermarket
Weight	2.27 kg Estimated

OEM / Cross Reference Table

Brand / Category	Part Number
Honda	31200-HM3-671
Mitsuba	SM13422
Arrowhead	SMU0029 / 410-54008
Cargo	111926
J & N	410-54008
Lester	18329
Dixie	MS-815 / 242-06107
MES Motorcycle & Marine	ME3422
Stockers Starters	HA-105
WAI	2-2184-MT
Wilson	91-26-2025

Compatible Applications

MAKE	TYPE	MODEL	YEAR	ENGINE
HONDA	ATV	TRX300EX	1993	281cc
HONDA	ATV	TRX300EX	1994	281cc
HONDA	ATV	TRX300EX	1995	281cc
HONDA	ATV	TRX300EX	1996	281cc
HONDA	ATV	TRX300EX	1997	281cc
HONDA	ATV	TRX300EX	1998	281cc
HONDA	ATV	TRX300EX	1999	281cc
HONDA	ATV	TRX300EX	2000	281cc
HONDA	ATV	TRX300EX	2001	281cc
HONDA	ATV	TRX300EX	2002	281cc
HONDA	ATV	TRX300EX	2003	281cc
HONDA	ATV	TRX300EX	2004	281cc
HONDA	ATV	TRX300EX	2005	281cc
HONDA	ATV	TRX300EX	2006	281cc
HONDA	ATV	TRX300EX	2007	281cc
HONDA	ATV	TRX300EX	2008	281cc
HONDA	ATV	TRX300X	2009	282cc

PRODUCT HIGHLIGHTS

Product Highlights

12V 0.65KW 10T Starter Motor	Honda ATV Compatibility	Direct Replacement Design
CW Rotation Design	TRX300EX / TRX300X Models	Honda 31200-HM3-671 Replacement
281cc / 282cc Engine Application	1993–2009 Model Coverage	Mitsuba SM13422 / Lester 18329

SHIPPING

Item Details

Processing Time Orders are processed within 1-3 business days after payment confirmation

Shipping Methods DHL/UPS/ FedEx/ TNT/ Air Freight/ Sea Freight

Estimated Delivery Time Express shipping: 3-7 business days, depending on destination

Packaging Export-standard cartons with protective inner packing

Tracking Tracking number will be provided once the order is shipped

Shipping Cost Calculated based on weight, dimensions, and destination

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WARRANTY POLICY

All new aftermarket parts come with a 1-Year warranty. Quality is the first thing we consider. Check out our Warranty Assistance for more details.

SHIPPING POLICY

We offer express and standard shipping options to ensure your off-road machine gets back in action—fast and reliably. For more details, please visit our Shipping Policy .

EASY RETURN POLICY

We prioritize your satisfaction. If your order doesn't meet your expectations within 90 days, you may be eligible for a refund. See our Easy Return Policy for details.

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