MH4S - WHEEL EXCAVATORS - FROM SN 314900 TO SN 315499 (1/89-12/05) No Description Parts on group : Pos. Part No Qty Parts name Comments 1. 4530994 [1] VALVE 990. 4530994 [AR] VALVE 997. 2284666 [AR] PARTS SALES BULLETIN Parts catalog : 23.120[2782606000] - BLOCKING VALVE INSTALL.MATERIAL part catalog new.New Holland 23.120[2496474000] - BLOCKING VALVE INSTALL.MATERIAL part catalog new.New Holland 23.120[2284668000] - BLOCKING VALVE INSTALL.MATERIAL part catalog new.New Holland 23.120[2249997000] - BLOCKING VALVE INSTALL.MATERIAL part catalog new.New Holland 23.120[2215632002] - BLOCKING VALVE INSTALL.MATERIAL part catalog new.New Holland 23.091[2444858000] - STEERING VALVE MOUNTING PARTS part catalog new.New Holland 23.090[2496759001] - STEERING VALVE INSTALL.MATERIAL part catalog new.New Holland 23.060[2944758000] - FEED. PRESS. VALVE part catalog new.New Holland 23.122[1906441000] - BLOCKING VALVE part catalog new.New Holland 23.122[2812862001] - BLOCKING VALVE part catalog new.New Holland 23.152[1706909011] - CHECK VALVE part catalog new.New Holland 23.152[2175590000] - CHECK VALVE part catalog new.New Holland 23.152[2902112000] - CHECK VALVE part catalog new.New Holland 23.152[2902181000] - CHECK VALVE part catalog new.New Holland 23.160[2495006000] - QUICK COUPLINGS part catalog new.New Holland 23.160[2495410000] - QUICK COUPLINGS part catalog new.New Holland