Parts list: № Number Qty Name Options 1 AT261180 1 Regulator 7 AT325504 2 Plate 10 AT325379 2 Compression Spring 11 AT325380 2 Compression Spring 15 AT327598 2 Back-Up Ring 19 T77857 1 O-Ring 20 U44496 2 O-Ring 31 AT261044 2 Seal 32 AT261181 1 Regulator Next page: ST754166 Hydrostatic Tandem Pump With Fittings ST39389 Internal Gear Pump ST39385 Hydrostatic Pump Splined Coupling and Flange ST932363 Hydraulic Actuated Control Valve ST39390 Forward / Reverse Solenoid Valve ST39387 Pressure Regulating Valve ST932391 Pressure Relief Valve ST39386 Hydrostatic Pump Assembly