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Casting Numbers



Oldsmobile 1949-1979

The following chart identifies the block, crankshaft, and cylinder head casting numbers for each year as well as engine size. Keep in mind this is information has come from many different automotive resources, and may have some misprinted numbers as well as omissions. All these numbers are trademarks of the manufacturing car company. These are able to be put on dislpay due to the public domain trademark rights.


Year Engine Cubic Inches  Engine Liters Cylinder Bore Piston Stroke Number of Cylinders Block Casting Number Crank Casting Number Head Casting Number
1949 303 5.0 ? ? 8 555614 ? ?
1949 303 5.0 ? ? 8 555641 ? ?
1950 303 5.0 ? ? 8 555641 ? ?
1951 303 5.0 ? ? 8 555641 ? ?
1952 303 5.0 ? ? 8 555641 ? ?
1953 303 5.0 ? ? 8 555641 ? ?
1954 324 5.3 3.875 3.435 8 568922
568928
? ?
1955 324 5.3 3.875 3.435 8 568922
568928
? ?
1956 324 5.3 3.875 3.435 8 563922
567405
568922
568928
561656
565699
567943
599432
?
1957 371 6.1 4.000 3.691 8 573562 568812 ?
1958 371

6.1

4.000 3.691 8 573562 568812 ?
1959 371 6.1 4.000 3.691 8 547865 574544 ?
1959 394 6.5 4.125 3.686 8 578135 574544 ?
1960 371 6.1 4.000 3.691 8 547865 574544 ?
1960 394 6.5 4.125 3.686 8 578135 574544 ?
1961 394 6.5 4.125 3.686 8 577476 577440 ?
1962 394 6.5 4.125 3.686 8 582813 582746 ?
1963 394 6.5 4.125 3.686 8 585786 582746 583832
1964 330 5.4 3.9375 3.388 8 381917 381919 383821
1964 394 6.5 4.125 3.686 8 585786 582746 583832
1965 330 5.4 3.9375 3.388 8 381917 381919 383821
1965 400 6.6 4.000 3.979 8 389298 384722 383821
1965 425 7.0 4.125 3.976 8 386525A 384722
390370
?
1966 330 5.4 3.9375 3.388 8 381917 381919
388776
383821
1966 350 5.7 4.057 3.385 8 394417 ? ?
1966 400 6.6 4.000 3.979 8 390925 384722 396056
1966 425 7.0 4.125 3.976 8 289244D 384722 389395
1967 250 4.1 3.875 3.534 6 3850817
3854036
3877178
3876802
3876802N
3895052
3927763
3962084
1967 330 5.4 3.9375 3.388 8 394417 381919
388776
381918
394189
1967 350 5.7 4.057 3.385 8 394417 ? ?
1967 400 6.6 4.000 3.979 8 390925 384722 396056
1967 425 7.0 4.125 3.976 8 289244D 384722 389395
1968 250 4.1 3.875 3.534 6 3850817
3854036
3877178
3876802
3876802N
3895052
3927763
3962084
1968 350 5.7 4.057 3.385 8 381917
395558
230376
393654
230341
397742
1968 400 6.6 3.870 4.251 8 574534 230378
397363
230342
1968 455 7.5 4.125 4.256 8 231788L
396021F
397363
400943
404440
383021
1969 250 4.1 3.875 3.534 6 3850817
3854036
3877178
3876802
3876802N
3895052
3927763
3962084
1969 350 5.7 4.057 3.385 8 381917
395558
230376
393654
230341
397742
1969 400 6.6 3.870 4.251 8 574534 230378
397363
230342
1969 455 7.5 4.125 4.256 8 231788L
396021F
397363
400943
404440
383021
1970 250 4.1 3.875 3.534 6 3850817
3854036
3877178
3876802
3876802N
3895052
3927763
3962084
1970 350 5.7 4.057 3.385 8 381917
393654
395558
230376
393654
409147
418882
556607
230341
408859
411929
1970 400 6.6 3.870 4.251 8 574534 230378
397363
230342
1970 455 7.5 4.125 4.256 8 231788L
396021F
397363
400943
404440
383021
1971 250 4.1 3.875 3.534 6 3850817
3854036
3877178
3876802
3876802N
3895052
3927763
3962084
1971 350 5.7 4.057 3.385 8 393654
395558
230376
393654
409147
418882
556607
230341
408859
411929
1971 400 6.6 3.870 4.251 8 574534 230378
397363
230342
1971 455 7.5 4.125 4.256 8 231788L
396021F
397363
400943
404440
383021
1972 250 4.1 3.875 3.534 6 3850817
3854036
3877178
3876802
3876802N
3895052
3927763
3962084
1972 350 5.7 4.057 3.385 8 393654
395558
230376
393654
409147
418882
556607
230341
408859
411929
1972 455 7.5 4.125 4.256 8 231788L
396021F
397363
400943
383021
1973 250 4.1 3.875 3.534 6 2775308
328575
348675
366855
377127
3876802
3876802N
3895052
3927763
3962084
1973 350 5.7 4.057 3.385 8 393654
395558
230376
393654
409147
418882
556607
230341
408859
411929
1973 455 7.5 4.125 4.256 8 231788L
396021F
397363
400943
383021
1974 250 4.1 3.875 3.534 6 2775308
328575
348675
366855
377127
3876802
3876802N
3895052
3927763
3962084
1974 350 5.7 4.057 3.385 8 393654
395558
230376
393654
409147
418882
556607
230341
408859
411929
1974 455 7.5 4.125 4.256 8 231788L
396021F
397363
400943
383021
1975 231 3.8 3.800 3.395 6 1249432 1357898
1378351
1378354
1249175
1254164
1975 250 4.1 3.875 3.534 6 2775308
328575
348675
366855
377127
3876802
3876802N
460407
14002012
355795
370969
377131
377133
3895052
3927763
3962084
1975 260 4.3 3.500 3.378 8 550355
554965
418882 231882
550362
1975 350 5.7 3.800 3.858 8 1235419
1375809
1378346
1235419
1375809
1378346
230341
408859
411929
1975 350 5.7 4.057 3.385 8 393654
395558
230376
393654
409147
418882
556607
230341
408859
411929
1975 400 6.6 4.125 4.251 8 481988 103427
4813
496452
9773524
97954
4X
6X
1975 455 7.5 4.125 4.256 8 231788L
396021F
397363
400943
383021
1976 231 3.8 3.800 3.395 6 1249432 1357898
1378351
1378354
1249175
1254164
1976 250 4.1 3.875 3.534 6 2775308
328575
348675
366855
377127
3876802
460407
14002012
355795
370696
377131
377133
3927763
3962084
1976 260 4.3 3.500 3.378 8 550355
554965
418882 231882
550362
1976 305 5.0 3.736 3.478 8 361979
460776
460777
460778
3932442 354434
358741
462424
1976 350 5.7 3.800 3.858 8 1235419
1375809
1378346
1235419
1375809
1378346
1241861
1242556
408859
411929
1976 350 5.7 4.057 3.385 8 393654
395558
230376
409147
418882
556607
408859
411929
1976 455 7.5 4.125 4.256 8 231788L
396021F
397363
400943
403686
409100
411783
1977 231 3.8 3.800 3.395 6 1254083
1255862
1261438
1255645
1255846
1260877
1378354
1254170
1257051
1257661
1257722
1977 250 4.1 3.875 3.534 6 2775308
328575
348675
366855
377127
3876802
460407
14002012
355795
370696
377131
377133
3927763
3962084
1977 260 4.3 3.500 3.378 8 554965-2A
557751-2B
418882
556607
554715
556280
1977 305 5.0 3.736 3.478 8 361979
460776
460777
460778
3932442 354434
358741
462424
1977 350 5.7 3.800 3.858 8 1235419
1375809
1378346
1235419
1375809
1378346
1241861
1242556
1977 350 5.7 4.000 3.482 8 14016379
3970010
3932442 462624
554716
1977 350 5.7 4.057 3.385 8 554964-3A
557752
557752-3B
7582
418882
55607
554716
1977 403 6.6 4.351 3.389 8 553990
554990
557265
556607 554717
1978 196 3.2 3.500 3.396 6 1256690
1261439
1257125
1260877
1257051
1257722
1978 231 3.8 3.800 3.395 6 1254083
1255862
1261438
1257125
1260877
1254170
1257051
1257661
1257722
1978 250 4.1 3.875 3.534 6 2775308
328575
348675
366855
377127
3876802
460407
14002012
355795
370696
377131
377133
3927763
3962084
1978 260 4.3 3.500 3.378 8 554965-2A
557751-2B
418882
556607
554715
556280
1978 305 5.0 3.736 3.478 8 361979
460776
460777
460778
3932442 354434
358741
367450
462424
1978 350 5.7 3.800 3.858 8 1235419
1375809
1378346
1235419
1375809
1378346
1241861
1242556
1978 350 5.7 4.000 3.482 8 14016379
3970010
3932442 462624
554716
1978 350 5.7 4.057 3.385 8 554964-3A
557752
557752-3B
7582
418882
55607
554716
1978 403 6.6

4.351

3.389 8 554990
557265
556607 554717
1979 151 2.5 4.000 3.005 4 10009542
1002189
684 702
1979 196 3.2 3.500 3.396 6 1261785 1260877 25506293
1979 231 3.8 3.800 3.395 6 1261787
25505554
25506397
25506818
25514290
25520040
25520329
1255674
1257125
1260877
1261377
1262098
25504443
25505900
25506293
25518445
1979 250 4.1 3.875 3.534 6 2775308
328575
348675
366855
377127
3876802
460407
3927763
3962084
1979 260 4.3 3.500 3.378 8 554965-2A
557751-2B
418882
556607
554715
556280
1979 301 4.9 4.000 2.995 8 10000708
10009192
525934
525887 01
1979 305 5.0 3.736 3.478 8 361979
460776
460777
460778
3932442 354434
358741
367450
462424
1979 350 5.7 4.000 3.482 8 14016379
3970010
3932442 462624
1979 350 5.7 4.057 3.385 8 554964-3A
557752
557752-3B
7582
418882
55607
554716
1979 403 6.6 4.351 3.389 8 554990
557265
556607 554717
Year Engine Cubic Inches  Engine Liters Cylinder Bore Piston Stroke Number of Cylinders Block Casting Number Crank Casting Number Head Casting Number
1955 292 4.8 3.750 3.297 8 ECK-ECZ-EDB ? ?
1956 292 4.8 3.750 3.297 8 ECK-ECZ-EDB ? ?
1956 312 5.1 3.800 3.438 8 ECZ ? ?
1957 292 4.8 3.750 3.297 8 ECK-ECZ-EDB ? ?
1957 312 5.1 3.800 3.438 8 ECZ ? ?
1961 390 6.4 4.050 3.780 8 C1AE-G ? ?
1963 390 6.4 4.050 3.780 8 C3AE-H ? ?
1964 390 6.4 4.050 3.780 8 C4AE ? ?
1965 390 6.4 4.050 3.780 8 C5AE ? ?
1966 428 7.0 4.130 3.980 8 C6AE ? ?
1968 429 7.0 4.360 3.590 8 C8VE-F
C8VY-A
? ?
1968 460 7.5 4.360 3.850 8 C8VE-F
C8VY-A
? ?
1969 429 7.0 4.360 3.590 8 C9VE-B
C9VY-A
? ?
1969 460 7.5 4.360 3.850 8 C9VE-B
C9VY-A
? ?
1970 429 7.0 4.360 3.590 8 DOSZ-A
DOSZ-D
? ?
1970 460 7.5 4.360 3.850 8 DOSZ-A
DOSZ-D
DOVE
? ?
1971 429 7.0 4.360 3.590 8 D1VE
D1VZ
D1ZE-AZ
? ?
1971 460 7.5 4.360 3.850 8 D1VE
D1VZ
D1ZE-AZ
? ?

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  • Oldsmobile 1949-1979
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