Description
Genuine Honda diaphragm plate used in the brake master cylinder reservoir stack. This plate sits above the rubber diaphragm to maintain shape and proper fluid containment under the reservoir cap.
Part number: 45521-HA2-006. This part may interchange with Honda numbers 45521-GW3-980 and 45521-HM4-830 depending on model and year.
Details:
- Application: Brake master cylinder reservoir (various Honda motorcycles/ATVs)
- Material: Steel plate
- Finish: Natural/silver
- Sold individually (one plate)
Note: Always verify the correct part number for your specific vehicle using the manufacturer's parts fiche or your VIN before ordering.






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