31 54 ALL exc crimp vent cover CAP ventilator 836450 1 1 516 56 57 D D 2 TON 8 cyl RETAINER vent hose connector grommet 3727693 1 15 54 57 UTIL w positi ve vent 54 57 UTIL w 261 55 57 COMM w positive vent 2nd Ser TEE crankcase vent pipe 3708155 1 2 50 55 2 TON 8 c yl TEE crankcase vent valve 3715755 1 3 05 56 57 D D 2 TON 8 cyl TEE crankcase vent valve 3729398 1 1 60 56 57 ALL w pos vent GASKET sheet metal conn 1 x 2 x thk 37257731 A R 15 56 57 PASS 6 cyl w pos vent 56 57 COMM 6 cyl w H T w pos vent 56 57 D D 6 cyl GASKET hose connector 1 x 11 x 1 thk 3695352 A R 06 55 57 1 TON 2nd Ser 2 SPD w Pos vent Brake Booster r PLUG pos vent outlet nylon 3717396 1 4 931 55 57 1 TON w Pos vent 2nd Ser exc Brake Booster PLUG brake booster outlet 3717952 1 4 931 54 57 PASS 6 cyl w Pos vent exc P G 54 57 COMM 1 TON 6 cyl w Pos vent exc I D Brake Booster 2 SPD PLUG ven t pipe tee 3728619 1 4 931 INOTE On models prior to 1956 enlarge passage and relocate holes ats necessary 1 750 CLAMP BAFFLE Crankcase Ventilator Tube 37 46 COMM UTI1 4 length overall bolt end bent 838188 1 15 40 46 PASS 47 51 ALL exc D D 52 56 SBC 6 cyl exc 261 4 length overa1l bollt end straight 839291 1 15 52 PASS 53 SDL outer 3696929 1 15 52 COMM UTIL exc D D SBC 53 COMM 1 TON exc D D SBC tube 3696925 1 15 53 PASS exc SDL 54 PASS outer 3701349 1 15 53 55 CORV 6 cyl outer 3706297 1 15 53 UTIL w 235 exc SBC 54 56 COMM UTIL w 235 exc D D SBC 57 COMM 1 TON w 235 exc D D outer 3701346 1 15 55 57 PASS 6 cyl lst design outer 3714420 1 15 57 PASS 6 cyl 2nd design outer 3740656 1 15 37 57 ALL CORV 6 cyl BAFFLE 3702766 1 15 1 762 TUBE ZBRACKET Crankcase Ventilator 55 PASS CORV 8 cyl w P G outer 16 O L w birkt 6 from end 3836344 1 1 05 55 ALL 8 cyl exc 2 TON P G outer 16 O L w birkt 4 from end 3836346 1 1 05 56 57 ALL CORV 8 cyl exc D D 2 TON H T 1 G outer w elbow extension 26 dev length 3726641 1 2 00 56 57 Ser 3 4 8 cyl w H T exc D D outer 19 O L 3737055 1 1 65 57 PASS w T Gt outer 3737028 1 2 05 56 57 ALL CORV 8 cyl exc D D J2 TON H T l G BRACKET tube outer 3726643 1 20 57 PASS w T GI BRACKET outer tube 3741168 1 20 1 786 COVER Oil Distributor 40 52 ALL 53 ALL exc P G on cyl block 839427 1 25 1 787 VALVE Oil Distributor 35 39 ALL valve seat flange 11 O D 838916 1 50 40 52 ALL 53 ALL em P G 21 length overutll 839170 l 50 1 789 SPRING Oil Distributor Valve 35 39 ALL O D x ree length 837636 1 05 193 1 745 1 789 1 4