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    • VW Aircooled Gearbox Codes

    Aircooled Gearbox Codes

    Code Engine Size Final Ratio Model & Chassis Number
    AA 1200 4.375 From Chassis No 0 981 810
    AB 1300 4.375 Up to 8/70
    AC 1500 4.125 also some 1300 from 8/70
    AD 1200 4.375 Limited Slip Differential
    AE 1300 4.375 Limited Slip Differential
    AF 1500 4.125 L.S. Differential >8/70; also some 1300 8/70>
    AG 1200 4.375 Type 147 Fridolin
    AH 1500/1600 4.125 IRS from 8/68 - 8/72
    AK 1500/1600 3.875 Type 181
    AL 1500-1600 3.875 Type 181 with LSD
    AM 1300 4.375 Saloon and Cabrio from 8/70
    AN 1600 3.875 Karmann Ghia with IRS from 8/70
    AO 1600 4.125 LSD 8/70 - 8/72
    AR 1600 4.125 LSD 8/70 - 8/72
    AR 1600 3.875 Karmann Ghia with LSD from 8/70
    AS 1600(GT) 3.875 From 3/72
    AT 1600 3.875 1303s and Cabrio from 3/72
    AU 1600 3.875 1303s and Cabrio from 3/72 with LSD
    BA 1300/1500 4.375 Semi Automatic from 8/68 - 8/70
    BC 1300/1500 4.375 Semi Automatic from 8/68 - 8/70 with LSD
    BE 1600 4.125 Semi Automatic from 8/68 - 8/70
    BF 1600 4.125 Semi Automatic from 8/68 - 8/70 with LSD
    BG 1300 4.125 Karmann Ghia Semi Automatic from 8/70
    BH 1300 4.125 K. Ghia Semi Automatic with LSD
    BJ 1300 4.375 Semi Automatic from 8/70
    BK 1300 4.375 Semi Automatic from 8/70 with LSD
    DA 1500/1600 4.125 Type 3 Swing-axle up to 8/68
    DB 1500/1600 4.125 Type 3 Swing-axle up to 8/68 with LSD
    DC 1500/1600 4.125 Type 3 IRS from 8/68
    DD 1500/1600 4.125 Type 3 IRS from 8/68 with IRS