1978 – 1992 General Motors NOS Differential Case GM # 558913

This new old stock differential case less internal gears was manufactured by General Motors for use on the following models:

Buick 1978-1981 (A) Century, Regal with7.5″ ring gear & 3.23, 3.42 axle ratio except Posi-traction (G80),

Cadillac 1982-1983 (C) Deville, Fleetwood, Fleetwood Brougham with 7.5″ ring gear & 3.42, 3.73 axle ratio,

Chevrolet 1982-1984 (F) Camaro with 3.23, 3.42 or 3.73 axle ratio except Posi-traction (G80),

Chevrolet Light Truck 1985-1989 M1 with 3.23, 3.42 , 3.73 or 4.10 axle ratio except Posi-traction (G80),

Chevrolet Light Truck 1990-1992 S10, S10 Blazer  (06, 08) with 7.5″ ring gear 3.42 , 3.73 or 4.10 axle ratio except Posi-traction (G80),

Oldsmobile 1982-1985 (G) Cutlass with 7.5″ ring gear & 3.23, 3.42 or 3.73 axle ratio except Posi-traction (G80),

Pontiac 1982-1985 (G) Grand Prix with 3.23, 3.42 or 3.73 axle ratio except Posi-traction (G80)

Replaces 558649

Casting # 558913

NOTE:  Images show the condition and what is included in the sale.

*This item may be re-packaged to protect it from shelf wear.