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Diagram, 4-synchro Transmission


Diagram of 4-synchro transmission parts historically available for the classic Mini Cooper and variants.
Classic Mini 4-synchro transmission parts diagram

Click on a part number to perform a search for more information regarding that part - please be aware that some items displayed in this listing may be discontinued and no longer available. If you have any questions about a specific part, please contact us at (800) 992-7007 or (530) 886-0771, and we will be happy to help!

Ref SKU Description Qty Req'd 1 22G856 Thrust washer, small, .123"-.124" 1 1 22G857 Thrust washer, small, .125"-.126" 1 1 22G858 Thrust washer, small, .127"-.128" 1 1 22G859 Thrust washer, small, .130"-.131" 1 2 88G396 Bearing, laygear, small 1 3 22G927 Laygear, 15/20/25/29 teeth 1 3 22G1040 Laygear, 15/20/25/29 teeth, small 1 3 C-AJJ4032 Close-ratio gear conversion set, 4-synchro 1 4 CHM141 Bearing, laygear, large (pair shown) 2 5 22G860 Thrust washer, large 1 6 22G931 Layshaft, standard 1 6 STF0012 Layshaft, standard 1 6 STF0012HD Layshaft, heavy-duty 1 7 22G1034 Reverse gear, remote shift to 1973 1 7 22G1852 Reverse gear, rod change 1973-1979 1 8 22G825 Bush, reverse gear 1 9 DAM8038 Shaft, reverse gear 1 10 22G0048 Nut, pinion retaining, pre-A+ 1 11 DAM6140 Locktab, pinion 1 12 Final Drive Pinion, final drive 1 13 HDWB254 Bolt, retainer fixing 4 14 DAM2377 Locktab, 3rd motion bearing 2 15 2A3581 Layshaft locating tab 1 16 22A0522 Retainer, carrier bearing, remote shift 1 16 22G2726 Retainer, carrier Brg, 1973-1979 1 17 2A3714B Shim, bearing retainer, .002" 1 17 2A3715B Shim, bearing retainer, .005" 1 18 ADU4992 Circlip, 3rd motion bearing 1 19 AAU1365 Bearing, mainshaft, double-row 1 19 AAU1365-RHP Bearing, mainshaft, double-row, RHP 1 20 22G1096 Gear, 1st/reverse 1 21 AAU1815 Bearing, 1st gear 4-synchro 1 22 22G837 Journal, 1st gear 1 23 22G2033 Baulk ring 4 24 DAM7455 Synchronizer hub, 1st/2nd gear 1 25 22G839 Thrust washer, 2nd gear 1 26 22G1094 2nd gear 1 27 AAU1816E Needle bearing, 2nd/3rd gears 1 28 22G833 Mainshaft, 4-synchro to 1979 (14mm nose) 1 28 DAM7484 Mainshaft, 4-synchro 1979-on (18mm nose) 1 29 22G843 Peg, mainshaft 3 30 22G154 Spring, mainshaft peg 2 31 22G1095 3rd gear 1 32 22G947 Thrust washer, 3rd gear 1 33 22G2262 Detent spring 6 34 BLS0107 Detent ball 6 35 DAM7456 Synchronizer hub, 3rd/4th gears 1 36 CHM172 Bearing, 1st motion to 1979 1 37 22G1093 1st motion shaft, 17-tooth 1 37 22G1371 1st motion shaft, Cooper S, GT 1 38 ADU7619-RHP Bearing, 1st motion carrier, 4-synchro, OE 1 38 ADU7619 Bearing, 1st motion carrier, 4-synchro 1 39 22G850 Circlip, .094"-.096" 1 39 22G851 Circlip, .097"-.099" 1 40 22G849 Input gear, 24-tooth 1 41 DAM4000 Locktab, input gear 1 42 2A3548 Nut, gear retaining 1   18G8085 Locktab set, transmission 1

Search: first gear, second gear, third gear, fourth gear, first motion, second motion, third motion, fourth motion, first/reverse, second/third, 4-synchro, 4 synchro, four synchro, four-synchro, 22G0856, 22G0857, 22G0858, 22G0859, 88G0396, 22G0927, CHM0141, 22G0860, 22G931, 22G0931, 22G0825, TUJ10001, 18G8085, 22G0837, 22G0839, 22G0833, 22G0154, 22G0843, 22G947, CHM0172, 22G0850, 22G0851, 22G0849