ROCKWELL REAR AIR O SERIES DRUM BRAKES ROCKWELL CHART INCLS ONLY 16 1 2 X 5 6 1 7 O SERIES REAR AIR DRUM BRAKES 1 LINE 1 GMC NOUN NAME WDDGM 15556271 15556272 15555273 15556274 1 NO GRP GRP 0M 1657 2149 OM 1657 2150 OM 1657 2151 OM 1657 2152 1 1 BRAKE SHOE SIZE 16 1 2 X7 16 1 2 X7 16 1 2 X7 16 1 2 X7 1 1 2 ADJUSTER TYPE MANUAL REAR MANUAL REAR MANUAL REAR MANUAL REAR 1 3 4 0003 BRAKE ASM PART OF ABOVE ASM 5 000 1 LESS DUST SHIELDS 1 FASTENERS 1 4 4 0700 ADJUSTER SLACK REFER T0 THE 5 125 1 15583757 1 15583757 1 15583757 1 15583757 1 ADJUSTER CHARTS FOR DETAILS A61 3275 X 596 A61 3275 X 596 A61 3275 X 596 A61 3275 X 596 1 5 4 0700 ADJUSTER SLACK REFER T0 THE 5 125 1 ADJUSTER CHARTS FOR DETAILS 1 1 OOTO 1 O T 5C F BR E STAFFD 1111 1 7 4 0620 BOLT CAMSHAFT BRACKET 5 130 4 427566 4 427566 4 427566 4 427566 1 1 2 13 X 1 2 1 2 13 X 1 2 1 2 13 X 1 2 1 2 13 X 1 2 1 8 1 4 0625 BRACKET CAMSHAFT 1 CHAMBER 5 130 1 15584888 1 15584923 1 15537267 1 15537267 1 A47 3299 G 6091 A47 3299 H 6092 1185 3299 L 5654 A85 3299 L 5654 1 9 4 0025 BUSHING BRAKE SHOE ANCHOR PIN 5 020 2 659282 2 659282 2 659282 2 659282 STAINLESS STEEL 1225 8 496 1225 8 496 1225 8 496 1225 8 496 1 10 4 0630 BUSHING CAMSHAFT SPIDER 1 5 130 2 2309474 2 2309474 2 2309474 2 2309474 1 BRACKET 1225 N 378 1225 N 378 11225 N 378 1225 N 378 I 11 4 0610 CAMSHAFT BRAKE 5 130 1 15513517 1 15513518 1 15513517 1 15513518 1 2210 H 5442 2210 G 5441 2210 H 5442 2210 G 5441 1 1 12 A 4 0639 CAMSHAFT KIT BRAKE INCLS ITEMS 5 130 1 MARKED 13 1 Om com BRAKE mwspmm 5 117 v 1 1 14 1 4 0640 KIT CAMSHAFT WASHER 1 RING G 5 130 1 1LESS CAMSHAFT INCL ITEMS 1 1 OOATI 1 TTPSIAFT UISA 1111 16 4 0047 KIT MAJOR SHOE 0VERHAUL W SHOE 5 043 1 2045988 1 2045988 1 1 BUSH LNG PINS 1 SPRINGS 8105GH 8105GH 1 17 1 4 0047 KIT MINOR OVERHAUL LESS SHOES 5 043 1 2045992 I 1 2045992 1 2055525 1 2055525 1 RIV1 INCL LNG RET RLR 1 SPR 820308 08203GH 8208EE 8208EE 1 18 4 0047 KIT MINOR RPR LESS LNG 1 SHOE 5 043 1 2045995 1 2045995 1 2045995 1 2045995 1 INCL 8USH PINS RET RLR 1 SPR 8000 8000 8000 8000 1 19 4 0015 LINING KIT LESS RDLLERS 1 5 018 1 799637 1 799637 1 15510738 1 15510738 SPRINGS INCL LININGS 1 RI ETS 2000 W 803 2000 W 803 2001 G 7 2001 G 7 20 4 0020K NUT BRAKE MOUNTING BOLT 5 056 AR 9422305 AR 9422305 AR 9422305 AR 9422305 5 8 11 5 8 11 5 8 11 5 8 11 1 1 21 1 4 0170 PIN SHOE ANCHOR 5 055 2 2046920 2 2046920 2 2046920 2 2046920 1 1 1259 N 274 1259 N 274 1259 N 274 1259 N 274 1 22 1 4 0039 RETAINER SHOE ROLLER 5 020 2 15513017 2 15513017 2 15513017 2 15513017 3105 B 210 3105 8 210 3105 8 210 3105 8 210 2F 1 4 0659 RING RETAINING CAMSHAFT O 5 130 1 2084253 1 2084253 1 2084253 1 2084253 1 1229 D 2942 1229 D 2942 1229 D 2942 1229 D 2942 24 1 4 0040 RIVET SHOE LINING 5 019 AR 2373637 AR 2373637 AR 2373637 AR 2373637 1 1 1 4 X 9 16 1 4 X 9 16 1 4 X 9 16 1 4 X 9 16 1 25 1 4 0045 ROLLER SHOE 5 020 2 2295551 2 2295551 2 2295551 2 2295551 1 1779 F1 18 1779 R 18 1779 R 18 1779 R 18 GENERAL MOTORS SERVICE PARTS OPERATIONS M SB NOTE N S LISTED FOR REFERENCE ONLY 5 42 CHART VENDOR NUMBER