Fits to :
Four Circuit Protection Valve Knorr e.g. : AE4158, AE4162, AE4168, AE4170, AE4171, AE4177, AE4178, AE4179, AE4180, AE4185, AE4186, AE4188, AE4190, AE4191, AE4196, AE4403, AE4404, AE4405, AE4406, AE4407, AE4408, AE4409, AE4427, AE4428, AE4437, AE4440, AE4447, AE4448, AE4449, AE4452
Reference numbers :
Knorr : I706150051, I80448, I81171, I83840, II14296008
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All brands and cross numbers serve only for comparison purposes.
The spare part is a high quality aftermarket part, no genuine part unless otherwise stated.