Axle Identification 1977-1991 GM 10 Bolt

How To Do 1977-1991 GM 10 Bolt Front Axle Identification:

Type: Iron beam 4x4 Front Drive Axle

Front Cover: Oval with 10 Bolts. 11" high x 10-1/4" wide. Unlike the Dana 44 Diff Cover, the GM 10 Bolt Cover does not have any flat sides.

Suspension: Leaf spring

Ball Joints: Pressed in Steering Knuckle, nuts at top

GM 10 Bolt Front Axle Usage:
1977.5-1980 most Chevy and GMC 1/2 ton and 3/4 ton Trucks and SUVs (Dana 44 also used these years)
1981-1987 All Chevy and GMC 1/2 ton and 3/4 ton Trucks and SUVs
1988-1991 All Chevy and GMC 1/2 ton and 3/4 ton SUVs (Blazer, Jimmy, Suburban)