1937 – 1974 General Motors NORS Transmission Main Drive Gear Bearing Lock Nut GM # 591150

This new old replacement stock transmission main drive gear bearing lower lock nut was manufactured by General Motors for use on the following models:

Buick 1964 – 1965 Special, Skylark, LeSabre with 3-Speed.

Chevrolet 1937 – 1957 All, Corvette with 3-speed except H.D.,

Chevrolet 1938 – 1964 Passenger with 3-speed except H.D.,

Chevrolet 1953 – 1965 Corvette with 3-speed,

Chevrolet 1963 – 1964 Passenger with 4-speed,

Chevrolet 1958 – 1964 All with standard transmission,

Chevrolet 1965 with 3-speed and 230, 283,

Chevrolet 1965 All with 4-speed,

Chevrolet 1962 – 1965 Chevy,

Chevelle All with 3-speed, 4-speed,

Chevrolet 1966 – 1968 Chevy, Chevelle  with 4-speed and 327 Sp. H/Per., 350,  396,

Chevrolet 1966 Chevy, Chevelle with Muncie 4-speed (283) 1st design except Sp. H/Per.,

Chevrolet 1967 – 1968 Camaro with 4-speed (302, 350, 396),

Chevrolet 1963 – 1974  Corvette with 4-speed,

Chevrolet 1969 Police Station Wagon with Muncie 4-speed and 427,

Chevrolet 1969 All with Muncie 4-speed except Passenger,

Chevrolet 1970 – 1974 All with Muncie 4-speed. 

Chevrolet Pickup 1938 – 1965 All with 3-speed except H.D.,

Chevrolet Pickup 1966 Series 10-30 with 3-speed except O.D.,

Chevrolet Pickup 1966 G10 with 3-speed except O.D.,

Chevrolet Pickup 1968 Series 10 (Conventional) with 3-speed and 6-cylinder except O.D., H.D., 292,

Chevrolet Pickup 1968 4WD with 3-speed.

GMC Pickup 1952 – 1954 (100-22, 150-22) with 3-speed.

GMC Truck 1955 – 1964 (F, G, J, N, S, T, X, Y) with 3-speed.

Oldsmobile 1964 – 1965 F85, J88 with 3-speed S.T. except H.D.,

Oldsmobile 1964 – 1973 with 4-speed standard transmission. 

Replaced 590848 and 591190 on 1/76   

Wohlert # 2096  

1-3/4″ – 12 LH thread.

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

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