Rear Main Seal for the 1949-62 Cadillac V8 fits the 331, 365 and 390 cubic inch engines.
Note: For the 331 cubic inch engine there are two material options- rubber (pictured) and rope.
For the 365 and 390 cubic inch engines there are also two material options- rubber (pictured) and rope. However, for the rubber option there are different options based on the year of your specific model.
Due to engine machining variances, seal performance may vary with the rubber option.
Best set # 3767 (1949-58E) rubber **pictured**
Best set # 5146 (1949-62) rope
Best set # 3610S (1958L-62) rubber
Made in the USA!
1949-62 Cadillac V8 Rear Main Seal for the 331, 365, and 390 cubic inch engines