Buy Caterpillar 3P0394 - SPRING (Blue) at wholesale prices with easy payment and fast shipping options. Save up to 50% OFF OEM pricing. Compatible Machines:- ENGINE - MACHINE- TRACK-TYPE TRACTOR Compatible Models:- 3306- 6A- 6S- D6E Units Containing The Spare Part :- 8P7791 PRESSURE CONTROL VALVE GROUP (3306)- 8P7790 PRESSURE CONTROL VALVE GROUP (3306)- 3P359 PRESSURE CONTROL VALVE GROUP (D7G)- 8P7790 PRESSURE CONTROL VALVE GROUP-FIELD INSTALLATION (3306)- 8P7791 VALVE GP-PRESSURE CONTROL (3306)- 8P-7791 VALVE GP-PRESSURE CONTROL (3306)- HYDRAULIC HAND CONTROL (4V440 N/S)--Bulldozer and Ripper or Winch (3304)(Caterpillar - B-Brand)