Is this magneto stator compatible with my Honda TRX300 or TRX300FW FourTrax 300 from 1988 to 2000?

Yes, this ATV magneto stator is designed specifically to fit Honda TRX300 and TRX300FW FourTrax 300 models from 1988 to 2000. It replaces OEM part numbers 31120-HC4-003 and 31120-HC4-750, ensuring proper fitment and performance. If you are unsure about your model, you can check your ATV's model year and OEM part number or contact our support team for assistance.

What improvements does this Honda TRX300 stator offer over the original part?

Our replacement stator uses high-quality copper windings and improved insulation to provide more efficient charging and enhanced durability. It's designed for rugged ATV use, helping fix common charging problems on older Honda TRX300 models and ensuring a long lifespan under tough riding conditions.

Is this stator easy to install and does it come with everything I need?

Yes, this stator is a plug-and-play design, so it installs directly in place of your original 31120-HC4-003 or 31120-HC4-750 stator without any modifications. The package includes the new stator unit, ready to mount. We recommend basic mechanical knowledge and having the proper tools. Detailed installation instructions are not included, but support is available if you have installation questions.

What warranty and support are offered for this ATV magneto stator?

We back our Honda TRX300 stator with a 12-month warranty against manufacturing defects. If you experience any issues or have questions about installation or performance, our customer support team is ready to help you solve them quickly.

How can I troubleshoot if my new stator does not resolve a charging problem?

If you still experience charging issues after installing the new 31120-HC4-003 replacement stator, make sure all electrical connections are clean and secure, and check your battery and regulator/rectifier for faults. Often, unresolved charging problems are due to related electrical components. If you need further troubleshooting tips, please contact our support team with your ATV model and symptoms for personalized help.

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GOOFIT

Magneto Stator for Honda TRX300 TRX300FW FourTrax 300 1988–2000 | OEM 31120-HC4-003 / 31120-HC4-750

$39.99

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Product Overview

Restore reliable charging and ignition performance to your ATV with this DC 18 coil magneto stator, designed for Honda TRX300 and TRX300FW FourTrax 300 models from 1988 to 2000. Honda OEM fiches show 31120-HC4-003 on earlier Mitsuba-equipped applications and 31120-HC4-750 on later listings, with CMSNL indicating 31120-HC4-003 was superseded by 31120-HC4-750.

Built to replace OEM 31120-HC4-003 / 31120-HC4-750, this unit helps solve common issues such as battery not charging, hard starting, weak spark, unstable voltage, and intermittent electrical failure.

Manufactured with high-grade materials for heat resistance, flame retardancy, and mechanical stability, it is built for durable performance and dependable use in demanding ATV conditions.

Product Compatibility

This magneto stator is compatible with the following models:

Brand	Model	Engine / HP / CC	Year Range	Notes
Honda	TRX300 FourTrax 300	300cc	1988–2000	2x4 application; verify OEM number and connector style
Honda	TRX300FW FourTrax 300 4x4	300cc	1988–2000	4x4 application; verify OEM number and connector style

OEM Cross Reference:
31120-HC4-003, 31120-HC4-750

Specifications

Specification	Details
Part Type	Stator
Configuration	18 Coil
Outer Diameter	95 mm
Inner Diameter	35 mm
Thickness	16 mm
Material	High-grade aftermarket replacement construction
Condition	100% New Aftermarket

Key Features

Direct Replacement Design – Engineered to replace the original unit with matching fitment and function
Reliable Electrical Performance – Helps restore stable charging and ignition output
Durable Construction – Built for high heat resistance, flame retardancy, and long service life
Plug-and-Play Installation – Designed for straightforward installation on compatible models
Built for ATV Use – Suitable for utility and off-road FourTrax applications

Common Problems This Part Can Help Solve

This product may help address issues such as:

Battery not charging
Weak or no spark
Hard starting
Intermittent electrical failure
Overcharging or unstable voltage
Poor ignition performance

Package Includes

1 × DC 18 Coil Magneto Stator

Fitment Note

Please confirm your OEM part number, connector style, stator dimensions, and vehicle model/year before ordering.

This listing is optimized around the Mitsuba-style 18-pole stator cross-referenced to 31120-HC4-003 / 31120-HC4-750. Some Honda fiches for TRX300/TRX300FW also show alternate stator listings such as 31120-HC4-004 or 31120-HC4-014, so matching by OEM number, connector style, and dimensions is essential before purchase.

If you are unsure about compatibility, contact us with your model, year, OEM number, and part photos before purchase.

Installation Note

Professional installation is recommended.

Before installation, inspect related components such as the battery, wiring harness, regulator/rectifier, flywheel, and charging system to avoid repeat failure caused by another faulty part.

Why Choose This Replacement

A failing stator can lead to charging issues, weak ignition performance, unreliable starting, and unstable electrical output. Replacing it with a properly matched unit helps restore dependable electrical performance and keeps your Honda FourTrax ready for work and trail use.

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Magneto Stator for Honda TRX300 TRX300FW FourTrax 300 1988–2000 | OEM 31120-HC4-003 / 31120-HC4-750