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Suzuki GS250 GS400 GS450 GS500 GS550 GS750 Magneto Stator 1977-2000
Suzuki GS250 GS400 GS450 GS500 GS550 GS750 Magneto Stator 1977-2000
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Product Overview
Restore reliable charging and ignition performance with this motorcycle magneto stator coil, designed for selected Suzuki GS250, GS300, GS400, GS425, GS450, GS500, GS550, GS650, and GS750 motorcycle applications.
Built to replace common Suzuki GS-series stator references including 31401-45020 / 31401-45030 / 31401-45021, this stator helps solve common electrical issues such as battery not charging, weak or no spark, hard starting, unstable voltage, and intermittent charging failure.
Made with high-quality materials, this stator is designed for high temperature resistance, chemical corrosion resistance, waterproof performance, stable electrical output, and long service life. It is a practical replacement for a worn, burned, or failing original stator on correctly matched Suzuki GS models.
Product Compatibility
| Brand | Model | Engine / HP / CC | Year Range | Notes |
|---|---|---|---|---|
| Suzuki | GS250 | 250cc | 1977–2000 | Verify OEM number, connector style, and stator dimensions before purchase |
| Suzuki | GS300 | 300cc | 1977–2000 | Verify OEM number, connector style, and stator dimensions before purchase |
| Suzuki | GS400 | 400cc | 1977–2000 | Verify OEM number, connector style, and stator dimensions before purchase |
| Suzuki | GS425 | 425cc | 1977–2000 | Verify OEM number, connector style, and stator dimensions before purchase |
| Suzuki | GS450 | 450cc | 1977–2000 | Verify OEM number, connector style, and stator dimensions before purchase |
| Suzuki | GS500 | 500cc | 1977–2000 | Verify OEM number, connector style, and stator dimensions before purchase |
| Suzuki | GS550 | 550cc | 1977–2000 | Verify OEM number, connector style, and stator dimensions before purchase |
| Suzuki | GS650 | 650cc | 1977–2000 | Verify OEM number, connector style, and stator dimensions before purchase |
| Suzuki | GS750 | 750cc | 1977–2000 | Verify OEM number, connector style, and stator dimensions before purchase |
OEM Cross Reference:
31401-45020, 31401-45030, 31401-45021
Specifications
| Specification | Details |
|---|---|
| Part Type | Motorcycle Magneto Stator Coil |
| Outer Diameter | 93 mm / 3.66" |
| Inner Diameter | 35 mm / 1.38" |
| Core Height | 16 mm / 0.63" |
| OEM Replacement | 31401-45020 / 31401-45030 / 31401-45021 |
| Material | High-quality replacement-grade stator construction |
| Protection | High temperature resistance / Chemical corrosion resistance / Waterproof design |
| Function | Charging and ignition system support |
| Installation | Direct replacement on correctly matched applications |
| Fitment Method | Match by OEM number, connector style, stator size, and original part layout |
| Condition | 100% New Aftermarket |
Key Features
- Suzuki GS-Series Fitment – Designed for selected GS250, GS300, GS400, GS425, GS450, GS500, GS550, GS650, and GS750 models
- OEM-Style Replacement – Built to replace common Suzuki GS stator numbers 31401-45020 / 31401-45030 / 31401-45021
- Stable Power Output – Helps support reliable battery charging and ignition-system performance
- Durable Construction – Built for heat resistance, corrosion resistance, and long service life
- Low Maintenance Design – Simple and reliable structure for dependable everyday use
- Direct Replacement Style – Designed for easy installation when dimensions and connector match
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Fitment FAQ
Will this part fit my specific model and year?
This magneto stator is intended for Engine / HP / CC. Listed year information includes 1977–2000, 1977, 2000. It is best matched to original part number(s) 31401-45020, 31401-45030, 31401-45021, 1977-2000. Key physical/spec details from the product data include Outer Diameter: 93 mm / 3.66", Inner Diameter: 35 mm / 1.38", Core Height: 16 mm / 0.63". Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. Match your original part number to 31401-45020, 31401-45030, 31401-45021, 1977-2000 before purchase. For this magneto stator, also compare the OEM number, outer/inner diameter, core height or thickness, plug shape, wire count, mounting holes, pickup position, and rubber grommet style. This is especially important for Suzuki GS250/GS400/GS450/GS500 models because similar model names can use different parts by year or trim.
What models or situations does this part not fit?
Do not order this magneto stator for machines outside the listed compatibility, or for units with different plug layouts, pickup-coil positions, wire counts, stator diameters, or charging/ignition configurations. If your original part number does not cross-reference with 31401-45020, 31401-45030, 31401-45021, 1977-2000, treat the fitment as unconfirmed. Model years outside 1977–2000, 1977, 2000 should be verified separately. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the OEM number, outer/inner diameter, core height or thickness, plug shape, wire count, mounting holes, pickup position, and rubber grommet style. Confirm OEM/cross-reference number(s): 31401-45020, 31401-45030, 31401-45021, 1977-2000. Recheck listed specs such as Outer Diameter: 93 mm / 3.66", Inner Diameter: 35 mm / 1.38", Core Height: 16 mm / 0.63". If any connector, mounting point, size, or year detail is different, confirm fitment before installation.