1966 – 1972 Chevrolet Truck Rear Wheel Hub Inner Bearing Oil Seal Assembly GM # 3974846

This new old stock rear wheel hub inner bearing oil seal assembly was manufactured by General Motors for use on the following models:

Chevrolet Truck 1966  Series 80  except with 23,000 lb. axle,

Chevrolet Truck 1966-1970  Series 50-60 with 2-speed axle,

Chevrolet Truck 1966-1972  Series 50-60 SBC with 17,000 lb. single speed axle,

Chevrolet Truck 1971-1972 Series 50-60.

Replaced by 3874368 on 3/73

5-1/2” O.D. X  4-1/4” I.D.

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

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