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Wilwood
Wilwood Lid with Gasket - High Volume Aluminum Master Cylinder (New Style)
SKU: W00B 330-13945
Easy — 1–2 hours
Description
Part #: 330-13945
Replacement High Volume Master Cylinder Reservoir Cap with diaphragm gasket. Durable stamped steel construction with a black zinc plating for corrosion resistance. Works with all Wilwood High Volume master cylinders and will retrofit older 'Composite' master cylinders.
Master Cylinder Gasket - Reservoir Cap - Wilwood High Volume Aluminum Master Cylinder - Each
MIA's Description
Fitment
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
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Specifications
| Brand | Wilwood |
| Part Number | W00B 330-13945 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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