Clutch master Cylinder.
Fits the following models:
Forterra
8621, 8641, 9621, 9641, 10641, 11641,
Proxima
Proxima 6421, Proxima 6441, Proxima 7421,
Proxima 7441, Proxima 8421, Proxima 8441,
UR III
3321, 3341, 4321, 4341, 5321, 5341, 6321, 6341, 7321, 7341,