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Starter Motor/Starter Brace (Group 2.041/2.042)

 

The date code on a starter motor is simple to decode.  It includes the year, month and day such as 7K25. This decodes to 1967, October, 25th.  Month codes are A through M for January through December (omitting the letter 'I').

 

A - January D - April G - July K - October
B - February E - May H - August L - November
C - March F - June J - September M - December

 

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1964  
ENGINE NUMBER
283 - 327 1107247
1965  
ENGINE NUMBER
283 - 327 1107247
1107320
396 1107365
1966  
ENGINE NUMBER
283 1107247
327 1107320
396 1107365
1967  
ENGINE NUMBER
283 1107496
327 1107320
396 1107365
1968  
ENGINE NUMBER
307 1108367
327 1108361
396 1107365
1969  
ENGINE NUMBER
307 1108367
350, standard 1108361
350, optional 300 HP 1108338
396 1108418
1970
ENGINE NUMBER
307 1108367
1108512 (not verified)
350 w/2bbl and automatic transmission 1108427
350 w/2bbl and manual transmission 1108338
350 w/4bbl, 402, 454 w/automatic transmission 1108430
350 w/4bbl, 402, 454 w/manual transmission 1108418
1971-1972
ENGINE NUMBER
307 1108512
350, 402, 454 w/automatic transmission 1108430
350 w/4bbl, 402, 454 w/manual transmission 1108418
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starter motor part number and date.

1969 307 starter date coded "8 L 14" (November 14, 1968).

1968 307 used the same starter motor but date makes this from a 1969 Chevelle.

Starter notes:
* Generally small block engines used the 153 tooth flywheel/flexplate and big blocks used the 168 tooth flywheel/flexplate.
* The 153 tooth flywheel/flexplate is 12 3/4" in diameter where the 168 tooth flywheel/flexplate is 14"

 


 

Starter Brace (Group 2.042)

 


Starter Brace #3816511

 

Application Service Replacement Number
1969, 1971/1972 I6 3941029
1964-1969 (except 350,396) - 1971-1972 307cid V8 3916511
1966-1969 396cid V8 3864972
1966-1968 350cid V8 3922398
1970-1972 350cid V8 & 402/454cid V8 3965588
1970 Monte Carlo (400cid V8) - 1970-1972 350cid V8 3965589
   
Table from GM's Parts & Accessories Catalog, 1972  

 

Starter Motors and Starter Braces from Assembly Instruction Manuals

 

Typical 396cid engine starter motor and starter brace

 

Application Part Number
1964-1965  I6 starter motor
1964-1965  V8 starter motor

1964-1965  starter brace I6
1964-1965 starter brace V8
1107259
1107247

3819213
3816511
1965 L37 V8 starter motor 1107365
1965 L37 V8 starter brace 3864982
1966 starter motor I6
1966 starter motor V8 (except 396cid V8)
1966 starter motor 396cid V8

1966 starter brace I6
1966 starter brace V8 (except 396)
1966 starter brace 396cid V8
1107259
1107247
1107265

3919213
3816511
3864972
1967 starter motor I6
1967 starter motor V8 (except 396cid V8)
1967 starter motor 396cid V8

1967 starter brace I6
1967 starter brace V8 (except 396)
1967 starter brace 396cid V8
1107399
1107496
1107365

3819213
3816511
3864972
1968 starter motor I6
1968 starter motor V8 (except 396cid V8)
1968 starter motor 396cid V8

1968 starter brace I6
1968 starter brace V8 (except 396)
1968 starter brace 396cid V8
1108365
1108367
1107365

3941028
3816511
3864982
1969 starter motor I6
1969 starter motor V8 (except 396cid V8)
1969 starter motor 396cid V8

1969 starter brace I6
1969 starter brace V8 (except 396cid V8)
1969 starter brace 396cid V8
1108365
1108367
1108418

3941028
3816511
3864972
1970 starter motor I6
1970 starter motor V8 (except 402cid V8/454cid V8)
1970 starter motor 402cid V8/454cid V8

1970 starter brace I6
1970 starter brace V8 (except 402cid V8/454cid V8)
1970 starter brace 402cid V8/454cid V8
1108365
1108367
1108418

3941028
3816511
1108418
1971 starter motor I6
1971 starter motor V8

1971 starter brace I6
1971 starter brace V8
1108365
1108367

3941028
3816511
1972 starter motor I6
1972 starter motor V8

1972 starter brace I6
1972 starter brace V8
1108365
1108367

3941028
3816511

 

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Starter nose for a 153-tooth flywheel/flexplate. The longer knurled shank bolt is used in the hole closest to the engine block and is 3/8”-16 thread and 4 5/8” in length. The shorter bolt is the same 3/8”-16 thread but 1 7/8” in length and uses the hole to the outside of the engine block.

 

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Starter nose for a 168-tooth flywheel/flexplate. Both of the knurled shank bolts are 3/8”-16 thread and 4 5/8” in length. Also shown here is a sample shim that may be necessary to give the proper clearance between the flywheel/flexplate and the pinion gear in the starter.

 

 


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