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Chevy "W" Motor 348-409 V-8 Casting Numbers

Important: If you don't know where to look on your engine for all of the casting numbers, casting dates and suffix codes, see Chevy V-8 Casting Number Locations page 1 and page 2. 

3732755.....348......59-61
3732811.....348......58
3751872.....348......58
3755011.....348......59-61
3771705.....348......59-61
3782012.....348......58-61
3788068.....409......62-63
3795623.....409......61
3798962.....348......62-65...Truck
3815707.....348......58-61
3830814.....427......63......"Z11" (4.312" bore x 3.65" stroke)
3830814.....409......63-64
3839752.....409......62-63
3839754.....409......65
3844422.....409......63-65
3857655.....348......62-65...Truck
3857656.....409......64-65
3860386.....409......62-64
3860387.....348......58

348-409 Heads

3732791.....348......58-60
3758379.....348......59-61...250 hp
3759256.....348......58
3759332.....348......58-60
3764702.....348......60......Truck
3767738.....348......59-60...250 hp
3781147.....348......60-61...HiPerf, 2.06"/1.72" valves
3781173.....348......60......1.94"/1.66" valves
3795586.....348/409..61......HiPerf, 2.06"/1.72" valves
3814690.....409......62-63...HiPerf, 2.19"/1.72" valves
3815643.....348/409..58-62...Truck, Industrial
3815857.....348/409..58-62...Truck
3819333.....348/409..62-65...HD Truck
3830817.....409......63-65...340 hp
3837731.....427......63......"Z11" (4.312" bore x 3.65" stroke)
3852583.....409......63-65...HiPerf, 2.19"/1.72" valves

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