Description:
New 8.875" Posi Unit - 30 Spline 12-Bolt Final Gear Differential Assembly
Fits 3.07-3.90 Gear Ratios (3.08, 3.31, 3.42, 3.55, 3.73, 3.90)
High-Quality Composite Clutches
Carrier Series:3
Spline Count: 30
Designed for 3.07-3.90 gear ratios
OE Number:
19554-010
YDGGM12T-4-30
12BT373/R12RMK
WK GM12P-OILADD
GM12T-30-342
GM12T-30-373UP
GM 8.875" 12T-30
GM12T-30