GM IRS Rear Differential

Available in 3.23, 3.42, and 3.73 Ratios

• 3.23 is AWD only

Available with open or G80 Positraction Carriers

• 3.73 is G80 only

IC 154 (3.23 w/G80), 155 (3.23NL), 156 (3.42 w/G80), 157 (3.42NL), 158/220 (3.73 w/G80)

OE Part Number

• IC 154 - 25979054

• IC 155 - 25979053

• IC 156 - 25979062

• IC 157 - 25979061

• IC 158 - 25868437

• IC 220 - 20953704

NO CORE REQUIRED

Ships dry

FOB Minneapolis, MN, USA