Wilwood 330-16239 Master Cylinder Cap with Vented Diaphragm

The Wilwood 330-16239 Master Cylinder Cap is a dependable replacement component designed for compatible Wilwood master cylinders. Its screw-on design provides secure installation while the integrated venting helps accommodate fluid-level changes during brake system operation. A seal is included to support proper closure and help reduce the risk of contamination entering the reservoir.
Constructed from durable nylon, this master cylinder cap is finished in black for a clean, factory-style appearance. The lightweight design is well suited for performance, racing, street, and custom brake applications where reliable master cylinder service components are essential. Use the Wilwood part number 330-16239 to verify compatibility with your specific master cylinder before installation.
This cap is supplied as an individual replacement part and includes the vented diaphragm seal. It is intended to help restore the proper function and protection of a compatible Wilwood master cylinder reservoir without requiring replacement of the complete assembly. Installation should be completed according to the master cylinder manufacturer’s recommended procedures, with care taken to maintain clean brake system components and use the correct brake fluid for the application.

Features:

• Brand: Wilwood

• Part Number: 330-16239

• Application: Compatible Wilwood master cylinders

• Design: Screw-on master cylinder cap

• Venting: Vented diaphragm design

• Seal: Includes vented diaphragm seal

• Material: Durable nylon construction

• Finish: Black

• Quantity: Sold individually