Center U-Joint Socket | Sierra 18-2128
Center U-Joint Socket | Sierra18-2128
Center U-Joint Socket | Sierra 18-2128
Sierra 18-2128 Center Socket
- U-Joint Center Socket
- Fits all Mercruiser #1 and Alpha units above s/n 1684188
- Also fits TR, TRS and Bravo
- Replaces Mercruiser 39383T, 393831
- Replacs OMC 912213, 3850813
- Replaces Volvo Penta 3850813
- Replaces Mallory 9-72403
