Parts list: № Number Qty Name Options 1 AT182208 1 Filter Head 2 AT182209 1 Oil Filter 3 R26375 1 O-Ring 4 T186154 1 O-Ring 5 AT192373 1 Switch Kit 6 R26448 1 O-Ring 7 R27218 1 Fitting Plug 8 AT192374 1 Filter Head 9 AT308274 1 Oil Filter Next page: ST328393 HYD. RESERVOIR, RETURN FILTER, BRACKETS & FITTINGS (640G-III) (TORQUE CONVERTER) (S.N. 596700-) ST328392 HYDRAULIC RESERVOIR, RETURN FILTER, BRACKETS & FITTINGS (TC) (CABLE) (S.N. 581093-596699) ST328385 HYDRAULIC RESERVOIR & RETURN FILTER (DIRECT DRIVE) (640G-III SN -596699) (648G-III SN -586336) ST328391 HYDRAULIC RESERVOIR FILTERS (640G-III AND 648G-III) (SN 596700- ) ST328395 HYDRAULIC RESERVOIR ASSEMBLY (648G-III) (TORQUE CONVERTER) (SN 596700- ) ST328394 Hydraulic Reservoir, Return Filter, Brackets and Fittings (648G-III) (Torque Converter) ( - 596699) ST328390 HYDRAULIC RESERVOIR LINES (640G-III) (SN 596700- ) ST328389 HYDRAULIC RESERVOIR LINES (648G-III) (SN 596700- ) ST328388 HYDRAULIC RESERVOIR (640G-III AND 648G-III) (SN 596700-) ST328387 HYDRAULIC RESERVOIR AND RETURN FILTER (648G-III) (DIRECT DRIVE) (SN 586337-596699)