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Axle Codes
Your One Source For Mustang Information

The following charts list the axle codes as related to the Identification or warranty plates on your door or dash pad.  If what you need is to identify your axle based on the tag attached to the  axle, or need additional information, follow this link.

Years 1965 - 1968
Years 1969 - 1973
Years 1974 - 1978
Years 1979 - 2000

Years 1965 - 1968

Ratio

 Locking 1965 1966 1967 1968
2.50         0
2.75       8 1
2.75 Yes     H A
2.79         2
2.79 Yes       B
2.80   6 6 6 3
2.80 Yes F F F C
2.83   2 2 2 4
2.83 Yes B B B D
3.00   1 1 1 5
3.00 Yes A A A E
3.20   3 3 3 6
3.20 Yes C C C F
3.25   4 4 4 7
3.25 Yes D D D G
3.50   5 5 5 8
3.50 Yes E E E H
3.89   8 8    
3.89 Yes H H    
4.11   9 9 9  
4.11 Yes I I I  

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Years 1969 - 1973

Ratio Locking 1969 1970 1971 1972 1973
2.35   F        
2.75   2 2 2 2 2
2.75 Locking K K K K K
2.79   3 3 3 3 3
2.80   4 4 4    
2.80 Locking M M M    
2.83   5 5      
3.00   6 6 6 6 6
3.00 Locking O       O
3.07     B B    
3.08   C C      
3.08 Locking U        
3.10   7        
3.20     8      
3.25   9 9   9  
3.25 Locking R R   R  
3.50   A A 9 A 9
3.50 Locking S S R S R
3.89       A    
3.89 Locking     S    
3.91 Locking V V   V  
4.11 Locking     V    
4.30 Locking W W Y    

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Years 1974 - 1978

Ratio Locking 1974 1975 1976 1977 1978
2.79 3
3.00 6 6 6 6 6
3.00 Locking O O O O O
3.18 4
3.40 7 7 7 7 7
3.55 G G G G G
3.55 Locking X X X X X

 

Years 1979 - 2000

Ratio Locking 79 80 81-82 83 84-85 86-90 91-2000
2.47   B B B        
2.47 Locking   C C        
2.73     8 8 8 8 8 8
2.73 Locking   M M M M M M
3.08   Y Y Y Y Y Y Y
3.08 Locking Z Z Z Z Z Z Z
3.27         5 5 5 5
3.27 Locking       E E E E
3.45   F F F F F F  
3.45 Locking R R R R R R  
3.73 Locking         W    

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