BRAKE OPERATING REAR AXLE 5 484 BEARING REAR AXLE DRIVE PINION REAR C n t 55 67 60 80 9000 7451409 1 N L BEARING rr 61 63 40 41 4300 7451155 1 N L BEARING rr 44 68 70 30 4000 12 bolt rr axle hsg cvr 7451155 1 N L BEARING rr 88 70 All 7451409 1 N L BEARING rr J 71 72 30 4000 7451155 1 N L BEARING rr 71 72 5000 350 Eng 7451 155 N L BEARING rr 4 4 71 72 50 60 80 9000 455 Eng 7451409 1 N L BEARING rr 73 75 All A 8 or O Axle exc Wgns 7451155 1 N L BEARING rr El I ring gear 73 75 All B B C G K 0 or W Axle 7451155 1 N L BEARING rr 8 ring gr 73 75 All B C E 0 P Axle 7451409 1 N L BEARING rr 8 or 9 ring gear 73 75 All A P Axle 745I409 1 N L BEARING rr 8 or 9 B ring gear 73 75 All A C G l or W Axle 7451155 1 N L BEARING rr B ring gear 4 73 75 All X 7451155 1 N L BEARING rr B ring gr 75 All H 740911 1 21 95 BEARING lrr 7 ring gr 5 505 BOLT GASKET TORGUE TUBE 88 70 All 9420462 2 56 BOLT idler arm supt to 1 rame 59 All 3968034 1 PLUG grease fitting access hole 4 105 5 506 BOLT DIFFERENTIAL BEARING CAP 51 63 40 41 4300 1194135 4 59 BDLT 66 70 All 454947 4 1 50 BOLT hex if 14 x 2 25 66 70 30 4000 used on cars having 12 bult rr axle hsg cvr 3818764 4 57 BOLT 71 75 All 1194135 4 59 BOLT diff bearing cap ta carrier 73 75 All B C G K or W Axle exc Wgn 3818764 4 57 BOLT carrier cap 73 75 All A C G l or W Axle 3818764 4 57 BOLT carrier cap 73 75 All H X 3818764 4 57 BOLT carrier cap 75 All B C E 3818764 4 57 BOLT B 9 ring gr 5 508 GASKET PLUG TORQUE TUBE 58 59 All 3968034 AR PLUG fitting access hole 4 105 5 510 CASE BOLT DIFFERENTIAL NOTE 1966 50 8000 1st type diff carrier cast 7374835 2nd type carrier cast 1380708 NOTE 1966 9000 lst type diff carrier cast 1374715 2nd type carrier cast 1380709 NOTE Refer to Buick Dealer Service information Bulletin No 66 153 for identification of 1st 2nd type NOTE All U S built cars with F T not listed order group 5 510 PT differential package 66 30 40 5000 Less PT 9782418 1 90 00 CASE less gears 2 93 3 08 3 23 ratio 2 60 mtg distance No 137675 is depressed into Ilg of case 8 No 3 is a raised digit above the number 75 All C E Less P T 488791 1 129 00 CASE less gears 2 41 2 56 ratio type P 8 dia ring gear 87 30 40 5000 Less P T 8 3 5 9782418 1 90 00 CASE less gears 2 93 3 23 ratio 2 60 mtg No 137675 is depressed inte Ig 01 case No 3 is a raised digit above the number 68 69 30 4000 less P T 12 bolt rr axle hsg cvr 3852989 1 66 50 CASE less gears 3 07 3 31 ratio 88 70 30 40 5000 Less P T 1381858 1 110 00 CASE less gears 2 73 2 93 ratio 68 70 30 4000 used on cars having 12 bolt rr axle hsg cvr 3869789 1 66 50 CASE less gears 2 56 2 73 ratio 7I 75 All A B X less P T 8 or O Axle 1252868 1 114 00 CASE less gears 2 56 ratio 8 ring gr 71 72 30 40 5000 less P T 1252981 1 106 00 CASE less gears 2 73 3 08 3 23 3 42 3 73 4 10 ratio 71 72 50 60 80 9000 455 Eng less P T 4 407757 1 167 00 CASE less gears 2 73 2 93 ratio 73 75 All A X B P or 0 Axle exc Wgn less P T 1252981 1 106 00 CASE less gears 2 73 3 08 3 42 ratio B ring gr 73 All A Wgns P Axle less P T 484381 1 156 00 CASE less gears 2 73 3 08 ratio 8 ring gr 73 All A Wgns P Axle less P T 484360 1 156 00 CASE less gears 3 42 3 23 ratio 8 ring gr 73 75 All B B C G l O or W Axle 1252981 1 106 00 CASE less gears 2 73 3 08 3 23 3 42 ratio ew ring gr WAREHOUSlNG AND DlSTRIBUTION DIVlSION OF GENERAL MOTORS CORPORATION BUICI 40 5 484 5 510 s iz REV 4 83