Description
When your build demands a reliable transition between mismatched AN line sizes, the Aeroquip FCM2189 #12 to #4 Union Adapter delivers a clean, leak-free solution you can count on. Crafted from lightweight aluminum with a striking blue anodized finish, this adapter is built for performance enthusiasts who refuse to compromise on quality or aesthetics. Whether you’re routing fuel, oil, or hydraulic lines, this fitting makes the job straightforward and professional.
- Part Number: FCM2189
- Type: Union adapter
- Configuration: Straight fitting
- Inlet Size: 12 AN Male
- Outlet Size: 4 AN Male
- Material: Aluminum
- Finish: Blue anodized
- Quantity: Sold individually
Aeroquip has been a trusted name in fluid system components for decades, and the FCM2189 is a perfect example of their commitment to precision engineering. Add it to your build with confidence — fit, finish, and function are all dialed in right out of the box.






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