B Type 3 Synchro Mesh Gears
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LabelPart NamePart No.
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1Reverse gear22G202
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4Layshaft (hi-spec alternative) was 22A1371C-22A1731
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5Layshaft needle roller bearings88G396
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11Double ball bearingAAU1365
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13Locating plate2A3581
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15Bearing spring clip, was 22G72ADU4992
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161st/2nd gear outer track (32 teeth)22A1021
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18Synchroniser spring, 3 per hub22A367
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19Synchroniser ballBLS107
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202nd gear (28 teeth) A B fitted all22A980
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213rd gear was 22G235 (23 teeth) B22A981
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22Laygear was 22G232 (26/23/19/13 teeth) A22G1100
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242nd/3rd gear needle rollers22G149
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28Locking peg spring for 2nd/3rd gear22G154
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311st motion ball bearing2A3709
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331st motion needle rollerCHM172
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36Lock tabDAM4000
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371st motion shaft locking nut2A3548
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38Final drive pinion 3.722A399
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38Final drive pinion 3.422A413
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39Pinion locktabDAM6140
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40Mainshaft locking nut22G48
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41Idler Gear22G943
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42Thrust Washer, idler gear, .130”-.131”22A1545

Gears marked A and B are identified as compatible in sets. Use laygear as identification for gear fitment as some late Coopers had 22G1100 fitted.