This is a new old stock auto part NOS gm in old original gm box This is ann engine distributor vacuum adance fitting 1937 1938 1939 1940 oldsmobile 6 cylinder models and 8 cylinder models gm part # 681-P
listed as fitting
- 1937 F37 230 6 cylinder
- 1937 L37 257 8 cylinder engines
- 1938 F-38 230 6 cylinder engines
- 1938 L-38 257 8 cylinder engines
- 1939 F-39 60 ser with 215 6 cylinder engine
- 1939 G-39 70 series with 230 6 cylinder engine
- 1940 F-40- 60 special with 230 6 cylinder engine
- 1940 L-40-90 series with 257 8 cylinder engines
- 1940 G40-70 dynamic with 230 6 cylinder engines