BRAKES REAR AXLE AND DRIVE GMC GROUP 5 527 Con t 78 CG1 w 8 50 dia rngr i 78 G2 w 8 50 dia rngr 1397647 2 121 00 GEAR UNIT diff si w png 2 1090A 5 528 GEAR Differential Side Front Axle Dana Design NOTE 1 This part may be listed more than once within this group 73 78 K 1 2 Blazer K Jimmy K 3779581 2 18 20 GEAR 16 teeth Dana 31487 1 1220 77 78 K3 345661 1 34 25 GEAR diff si frt axle Dana 35625 Note 1 2 1090A 5 528 GEAR Differential Side Rear Axle Dana Design 73 74 C 3 w Dual Rear Whee s exc P Trac 74 M H C w JB 9 6259065 2 34 25 GEAR Dana 34794 2 0870A 73 75 C 3 w Dual Rear Wheels w P Trac 75 G 3 w Dual Rear Wheels P Trac w 7 500 lb axle 6259069 2 34 25 GEAR Dana 35294 2 0870A 74 78 G 3 Dual Rear Wheels w 6 200 Ib axle exc P Trac 345661 2 34 25 GEAR Dana 35625 Note 1 2 0870A 75 78 CK 3 w Dual Rear i t Wheels exc P Trac 75 78 P 3 w Dana 75 78 G 3 Dual Rear Wheels w 7 500 lb axle exc I P Trac 360821 2 57 25 GEAR Dana 35079 2 0950A 5 528 GEAR WASHER Differential Side Rear Axle Corporation Design 73 74 CKGP 1 Blazer Jimmy exc P Trac 73 78 G 2 exc P Trac V 75 78 CKP 1 Blazer Jimmy I i exc P Trac 3846078 2 26 75 GEAR 30 splines 16 teeth 2 0870A 73 78 P 3 w 11 000 Ib axle 3697746 2 38 75 GEAR 18 teeth 27 splines 2 0870A 7 73 75 CKGP 1 Blazer Jimmy P Trac w 3 07 3 40 3 73 ratio a 73 75 G 2 P Trac w 3 07 I 3 40 ratio 3995839 2 36 50 GEAR ED 42174 17 teeth 2 0870A 73 77 CKP 2 exc P Trac 73 M H C exc 14 000 lb G VZW I 73 77 CGP 3 exc P Trac 11 000 Ib axle 74 77 M H C w JB 8 78 CGKP2 3 w JB6 JB7 y I JB8 exc G80 3977344 2 77 00 GEAR 2 0870A 75 78 P3 w 11000 lb axle 3697746 2 38 75 WASHER diff si gear thr rr axle 2 0875 5 529 GEAR ASM Ring and Pinion not sold separately Front Axle Dana Design V NOTE Part Number in parentheses are stamped on ring gear and pinion respectively NOTE When replacing gear asm you should replace gear bolts Group 5 531 I NOTE Hear axle assemblies incorporating 8 ring gear differential carrier assemblies have been released optionally with the current 8 ring gear axle assemblies The 8 ring gear ax es will be identified by RPO G87 while the 8 8 ring gear aggl s will be identified by RPO G88 This condition will exist in i vehicles with standard axles only The RFZ7 Flare in the vehicle should be checked for the above FlPO s when axle repair is required NOTE 3 This part may be listed more than once within this group NOTE 4 Used in all corp built frt rr axles with 8 50 dia ring gear merchandised as 2 73R and 2 76R 73 78 K 1 Blazer K Jimmy K w 3 07 ratio 2408337 1 158 00 GEAR ASM front axle Dana 22106X 2 1090A 73 77 K 1 Blazer K Jimmy I K w 3 73 ratio 78 K 1 2 Blazer K Jimmy K w 3 73 ratio 3831912 1 234 00 GEAR ASM frt axle 41 11T Dana 22736X 2 1090A 73 78 K 1 Blazer K Jimmy K w 4 11 ratio WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 51 REV 2 83 5 33 5 527 5 529 7 72 7 L