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MGA Part Numbers - BTB
PART NO.  SPL.PAGE  DESCRIPTION                                                            
BTB57     16.H.2    Crown wheel and pinion 9/41 -(rear axle, 1600 and 1600-MK-II)-
    changed to 88G284
BTB57     16.H.6    Crown wheel and pinion 9/41 -(rear axle, ARDB model 1600 and
    1600-MK-II) -Com.(C)91240 -alternate ATB7146 -optional alternative ratio to 10/43 or
    10/41
BTB102    16.K.1    Lever -steering -R/H -(front axle and suspension, 1600 and 1600-MK-II
    std.model)
BTB103    16.K.1    Lever -steering -L/H -(front axle and suspension, 1600 and 1600-MK-II
    std.model)
BTB104    16.K.1    Stud -brake disc (8), disc wheels -(front axle and suspension, 1600
    and 1600-MK-II Std.model) -Fin.(C)69505 (changed from studs to bolts)
BTB104    16.K.1    Stud -brake disc (8), wire wheels -(front axle and suspension, 1600
    and 1600-MK-II Std.model) -Fin.(C)70275 (changed from studs to bolts)
BTB106    16.K.1    Hub assembly (2), disc wheels -(front axle and suspension, 1600 and
    1600-MK-II Std.model) -changed to BTB149 Com.(C)69505 (changed from studs to bolts)
BTB108    16.K.3    Disc -brake (2), -(front axle and suspension, 1600 and 1600-MK-II
    Std.model)
BTB110    16.K.3    Caliper unit assembly -R/H -(front axle and suspension, 1600 and
    1600-MK-II Std.model) -Fin(C)78105 -Use BTB166 for all service replacements.  See
    service memorandum MG290 (change of pad material)
BTB111    16.K.3    Caliper unit assembly -L/H -(front axle and suspension, 1600 and
    1600-MK-II Std.model) -Fin(C)78105 -Use BTB167 for all service replacements.  See
    service memorandum MG290 (change of pad material)
BTB114    16.K.1    Hub assembly R/H, wire wheels -(front axle and suspension, 1600 and
    1600-MK-II Std.model) Com.(C)70276 (changed from studs to bolts)
BTB115    16.K.1    Hub assembly L/H, wire wheels -(front axle and suspension, 1600 and
    1600-MK-II Std.model) Com.(C)70276 (changed from studs to bolts)
BTB124    16.K.1    Plate -adapter -R/H -(caliper mount, front axle and suspension, 1600
    and 1600-MK-II std.model)
BTB125    16.K.1    Plate -adapter -L/H -(caliper mount, front axle and suspension, 1600
    and 1600-MK-II std.model)
BTB126    16.K.3    Lockplate -front brake hose -R/H -(front brakes, 1600 and 1600-MK-II
    std.model)
BTB127    16.K.3    Lockplate -front brake hose -L/H -(front brakes, 1600 and 1600-MK-II
    std.model)
BTB128    16.K.3    Bolt -caliper to swivel knucle (4) -(front brakes, 1600 and 1600-MK-II
    std.model)
BTB134   TC.J.3    Calliper unit assembly (R/H) -(front axle+susp, Twin Cam) Com.(C)836
    approx. -was ATB4266
BTB135   TC.J.3    Calliper unit assembly (L/H) -(front axle+susp, Twin Cam) Com.(C)836
    approx. -was ATB4267
BTB145    16.K.1    Bolt -brake disc to hub (8), disc wheels -(front axle and suspension,
    1600 and 1600-MK-II std.model) Com.(C)69505 (changed from studs to bolts)
BTB145    16.K.1    Bolt -brake disc to hub (8), wire wheels -(front axle and suspension,
    1600 and 1600-MK-II std.model) Com.(C)70275 (changed from studs to bolts)
BTB150    16.H.5    Wheel -differential (2) -(rear axle, ARDB model 1600 and 1600-MK-II)-
    Com.(C)91240
BTB151    16.H.2    Shaft -axle (disc wheels only)(2) -(rear axle, 1600 & 1600-MK-II)-
     Com.(C)82893 -was ATB7279
BTB153    16.H.2    Shaft -axle (wire wheels only)(2) -(rear axle, 1600 & 1600-MK-II)-
     changed to ATB7279 Com.(C)82749 -ATB7386
BTB153    16.H.2    Shaft -axle (wire wheels only)(2) -(rear axle, ARDB model 1600 and
    1600-MK-II) -Com.(C)91240
BTB166    16.K.3    Caliper unit assembly -R/H -(front axle and suspension, 1600 and
    1600-MK-II Std.model) -Com(C)78106 -was BTB110 -Use BTB166 for all service
    replacements. See service memorandum MG290 (change of pad material). -BTB166 not
    available, use 27H4648 with 8G8379
BTB167    16.K.3    Caliper unit assembly -L/H -(front axle and suspension, 1600 and
    1600-MK-II Std.model) -Com(C)78106 -was BTB111 -Use BTB167 for all service
    replacements. See service memorandum MG290 (change of pad material). -BTB167 not
    available, use 27H4649 with 8G8379
BTB198    16.K.1    Bolt -adapter plate to steering knuckle -(front axle and suspension,
    1600 and 1600-MK-II std.model) -changed to HBZ0611 Com.(C)120589
BTB217    16.H.1   Differential assembly 10/43 -(rear axle, 1600 and 1600-MK-II)
    Com.(C)82893 disc wheels, (C)82794 wire wheels -Fin.(C)100351
BTB263    16.H.1   Differential assembly 10/41 -(rear axle, 1600 and 1600-MK-II)
    Com.(C)100352 -optional alternative ratio to BTB217 or BTB263
BTB216    16.H.1   Differential assembly 9/41 -(rear axle, 1600 and 1600-MK-II)
    Com.(C)82893 disc wheels (C)8249 wire wheels -optional alternative ratio to
    BTB217 or BTB263
BTB216    16.H.5    Differential assembly 9/41 -(rear axle, ARDB model, 1600 and
    1600-MK-II) -Com.(C)91240 -optional alternative ratio to BTB217 or BTB263
BTB217    16.H.1   Differential assembly 10/43 -(rear axle, 1600 and 1600-MK-II)
    Com.(C)82893 disc wheels, (C)82794 wire wheels -Fin.(C)100351
BTB217    16.H.5   Differential assembly 10/43 -(rear axle, ARDB model, 1600 and
    1600-MK-II) -Com.(C)91240 -Fin.(C)100351
BTB252    16.H.7   Gasket -hub extension (2) -(rear axle, ARDB model 1600 and 1600-MK-II)-
    Com.(C)91240
BTB252    TC.H.2   Gasket -hub extension (2) -(rear axle, Twin Cam) -was ATB7255
BTB263    16.H.5   Differential assembly 10/41 -(rear axle, ARDB model, 1600 and
    1600-MK-II) -Com.(C)100352
BTB323    16.H.1   Differential assembly 10/43 -(rear axle, 1600 and 1600-MK-II)
    Com.(C)82893 disc wheels, (C)82794 wire wheels -Fin.(C)100351
BTB323    16.H.2   Crown wheel and pinion 10/43 -(rear axle, 1600 and 1600-MK-II)-
    changed to 8G283
BTB323    16.H.6    Crown wheel and pinion 10/43 -(rear axle, ARDB model 1600 and
    1600-MK-II) -Com.(C)91240 -Fin.(C)100351 -alternative ATB7156
BTB323    TC.H.1    Crown wheel and pinion 10/43 -(rear axle, rear axle, Twin Cam)-
    alternative ATB7156
BTB328    16.H.1   Cage -differential -(rear axle, 1600 & 1600-MK-II) -was ATB7062
BTB384    16.K.1    Cover -dust -disc -R/H -(front axle and suspension, 1600 and
    1600-MK-II std.model) Com.(C)120589
BTB385    16.K.1    Cover -dust -disc -L/H -(front axle and suspension, 1600 and
    1600-MK-II std.model) Com.(C)120589
BTB386    16.K.1    Washer -distance (8) -(front axle and suspension, 1600 and
    1600-MK-II std.model) Com.(C)120589
BTB415    16.H.2   Stud -wheel (disc wheels only) (8) -(rear axle, 1600 and 1600-MK-II)
BTB415    16.K.1   Nut -wheel stud (8) -(front suspension, 1600 and 1600-MK-II standard
    model) -changed to 88G276
BTB768    16.K.1   Bush (for swivel links) (4) -(front suspension, 1600 and 1600-MK-II
    std.model) -was ACG6005
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