Description
Keep your hydraulic and fluid systems sealed tight with the Aeroquip #3 O-Ring Boss Plug FCM3722 — a precision-machined fitting designed to block unused ports cleanly and reliably. Built from lightweight aluminum with a striking blue anodized finish, this plug is as functional as it is sharp-looking under the hood. Whether you’re building a race car or upgrading a performance street machine, this is the kind of detail that separates a clean build from a great one.
- Part Number: FCM3722
- Type: O-Ring Boss Plug
- Size: 3 AN
- Seal Type: O-Ring
- Head Style: Hex Head
- Material: Aluminum
- Finish: Blue Anodized
- Quantity: Sold Individually






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