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Magneto Stator for Kawasaki ZR400, ZR550, ZX400 | OEM 21003-1038
Magneto Stator for Kawasaki ZR400, ZR550, ZX400 | OEM 21003-1038
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Heavy-Duty 18-Coil Magneto Stator for Kawasaki Street Motorcycles
Restore your vintage Kawasaki’s charging system with confidence. This high-performance Magneto Stator is a direct replacement for Kawasaki OEM part numbers 21003-1038 and 21003-1256. Engineered for classic mid-sized inline-fours, it provides the consistent electrical output required for stable ignition and reliable battery charging.
Built for the long haul, this unit features an increased number of coil windings and thickened high-grade copper wire. These enhancements reduce internal resistance and improve heat dissipation, ensuring a significantly longer service life than standard factory components. The precision-cast base and plug-and-play connectors make installation straightforward for both professional mechanics and DIY enthusiasts.
Product Fitment
- Kawasaki Zephyr: ZR400 (1989–2008), ZR550 / ZR550B (1990–1998)
- Kawasaki ZX Series: ZX400 / Z400FII (1991–1994)
- Kawasaki KZ Series: KZ550D (1981), KZ550 GPz / LTD / Spectre (1980–1984)
- Kawasaki GT Series: Z550 / GT550 (1983–1994)
Key Technical Specifications:
- OEM Reference: 21003-1038, 21003-1256
- Coil Count: 18-Pole high-output design
- Ignition Type: DC Ignition Systems
- Material: Thickened pure copper windings and precision-cast iron core
- Installation: Direct plug-and-play replacement
Why Choose This Stator?
- Enhanced Durability: Thickened copper wire offers superior current-carrying capacity, resulting in lower operating temperatures.
- Reliable Power Generation: 18-coil design ensures a stable electrical field for crisp throttle response and consistent voltage.
- Hassle-Free Setup: Designed to match factory mounting points and wiring configurations exactly, requiring no modifications.
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Fitment FAQ
Will this part fit my specific model and year?
This magneto stator is intended for Kawasaki ZR400, ZR550, ZX400. Listed year information includes 1989–2008, 1990–1998, 1991–1994, 1980–1984, 1983–1994. It is best matched to original part number(s) 21003-1038, 21003-1256. Key physical/spec details from the product data include Reliable Power Generation: 18-coil design ensures a stable electrical field for crisp throttle response and consistent voltage.. 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 21003-1038, 21003-1256 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 Kawasaki ZR400/ZR550/ZX400 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 21003-1038, 21003-1256, treat the fitment as unconfirmed. Model years outside 1989–2008, 1990–1998, 1991–1994, 1980–1984, 1983–1994 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): 21003-1038, 21003-1256. Recheck listed specs such as Reliable Power Generation: 18-coil design ensures a stable electrical field for crisp throttle response and consistent voltage.. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.