Page Contents
Gearbox & Overdrive Units
Gaskets & Oil Seals (gearbox)
Gearbox Reconditioning Kits
Clutch Housing & Operation
Gearbox case/Rear Extension
Gear Lever - Remote & Top Cover Fittings
Speedo Cable & Drive Pinion
Input Shaft/Mainshaft & Gears
Countershaft/Reverse Gear & operating Lever
Overdrive & Fittings ('D' Type)
Gearbox & Overdrive Units
Gearbox (non-overdrive type)
Supplied less clutch housing, gear lever, top cover extension & ancillaries.
All models - (1) - RG1012R
Gearbox (overdrive type, less overdrive)
Supplied less clutch housing, gear lever, top cover extension, ancillaries & overdrive.
NOTE: Ensure overdrive is cleaned internally to avoid cross contamination of old oil before fitting to gearbox.
All models - (1) - RG1003R
Gearbox & Overdrive ('D' type)
Gearbox & overdrive supplied assembled, less clutch housing, gear lever, top cover extension, solenoid,
output flange, brackets, ancillaries & wiring.
All models - (1) - RG1045R
Overdrive Unit Only ('D' type)
Supplied less solenoid, output flange, adaptor plate & speedo drive.
All models - (1) - 307862R
Gearbox Mounting
Gearbox Mounting (rubber);
Non-Overdrive - (2) - 122689
Overdrive - (1) - 159656
Tunnel Cover
Cover (gearbox tunnel);
Fibreglass - (1) - 709862FG
Plastic - (1) - 709862PL
Seal Kit - (1) - RH5091
For above cover.
EP90 Gear Oil (0.5 litre) - (ar) - GGL190
Gaskets & Oil Seals (gearbox)
Gasket Sets;
Gearbox - (1) - RG1047
Overdrive - (1) - RG1048
Gaskets (gearbox & overdrive);
Bellhousing to Gearbox - (1) - 122569
Gearbox to Rear Extension/Adaptor - (1) - 106437
Top Cover to Gearbox - (1) - 22G1911
Remote Gearlever Extension to Top Cover - (1) - 120305
Adaptor to Overdrive - (1) - 37H1901
Overdrive Main Case to Rear Case - (1) - 37H1901
Solenoid to Overdrive Case - (1) - 7H8196
Solenoid Side Plate - (1) - 513204
Side Plate - (1) - 506098
Oil Seals (gearbox & overdrive);
Front Cover (bellhousing) - (1) - 132292
Rear Output (non-overdrive) - (1) - 88G564
Rear Output (overdrive) - (1) - 7H8325
Gearbox Reconditioning Kits
Gearbox Reconditioning Kit;
Includes gearbox gaskets, oil seals, bearings, synchro rings, layshaft, thrust washers, reverse gear.
Non-Overdrive Models -
Mk1 & Mk2 - (1) - RV6085
Mk3 - (1) - RG1049
Overdrive Models -
Does not include overdrive components or overdrive gaskets.
Mk1 & Mk2 - (1) - RG1183
Mk3 - (1) - RG1050
Clutch Housing & Operation
Clutch Bellhousing - (1) - 132077
Housing (bush/oil seal) - (1) - 132078
Dowel - (1) - DP205
For 132078 housing.
Fulcrum Pivot Pin - (1) - 132079
Oil Seal (bellhousing to gearbox) - (1) - 132292
Gasket (housing to gearbox) - (1) - 122569
Tension Spring - (3) - 137532
Clutch Operating Lever - (1) - 132080
Carrier (release bearing) - (1) - 143707
Clutch Release Bearing - (1) - GRB209
Re-Fitting the Bellhousing
Two important points to note when re-fitting the bellhousing to the gearbox :-
1. Ensure the 3 tension springs (137532) are inserted in the front lower section of the gearbox case.
2. Ensure the correct length bolts/setscrews are used, if too long, fouling will occur with the gearbox internals.
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Gearbox case/Rear Extension
Gearbox Casing - (1) - 306468
Rear Extension (non-overdrive);
Mk1 & Mk2 - (1) - 209590
Mk3 - (1) - 217333
Gasket (case to extension) - (1) - 106437
Bearing (rear extension/output) - (1) - 157732
Oil Seal (rear extension/output) - (1) - 88G564
Oil Filler Plug - (1) - 22G2115
Oil Drain Plug - (1) - 155660
Gear Lever - Remote & Top Cover Fittings
Gear Lever Fittings
Gear Knob;
Non-Overdrive - (1) - 144095
Overdrive (Mk3) - (1) - 155030
Includes cap & switch.
Cap Only (Mk3) - (1) - 155030CAP
For knob 155030.
Switch Only (Mk3) - (1) - 520999A
For knob 155030.
Wiring Harness (Mk3) - (1) - 153726
Overdrive gear lever.
Gear Lever Knob (alternative);
Non overdrive.
Wood - (1) - RL1528W
Leather - (1) - RL1528L
Wood (larger Amco style) - (1) - RL1528WA
Leather (larger Amco style) - (1) - RL1528LA
Gaiter (gear lever, rubber) - (1) - 706919
Gauntlet - gear lever (vinyl) - (1) - RL1587
Bush Kit (gear lever seating) - (1) - 519770
Cap (lever retaining) - (1) - 126607
Remote Fittings (Gear Lever)
Actuator Cam (overdrive operating) - (1) - 158072
Reverse Light Switch - (1) - BAU1074A
Overdrive Inhibitor Switch - (1) - BAU1074A
Mounting Bracket (reverse & overdrive switches) - (1) - 158002
Locates directly on to extension/top cover.
Top Cover Casing - (1) - 158493
Selector Shafts;
1st & 2nd - (1) - 146240
3rd & 4th - (1) - 108021
Reverse - (1) - 154945
Selector Forks;
Fork (1st & 2nd) - (1) - 113868
Fork (3rd & 4th) - (1) - 106268
Speedo Cable & Drive Pinion
Non-Overdrive Models
Speedo Cable - (1) - GSD111
Speedo Drive Pinion - (1) - 119100
'O' Ring - (2) - NKC101A
Housing/Bearing (speedo drive pinion) - (1) - 144621
Oil Seal (speedo drive pinion) - (1) - NKC105A
Overdrive Models
Speedo Cable - (1) - GSD115
Angle Drive - (1) - 120694
Speedo Drive Pinion - (1) - 506119
'O' Ring/Seal - (1) - 506115
Housing/Bearing (speedo drive pinion) - (1) - 506066
Mills Pin (1/16") - (1) - 501606
For housing/bearing 506066.
Oil Seal (speedo drive pinion) - (1) - NKC105A
Input Shaft/Mainshaft & Gears
Input Shaft & Fittings
Input Shaft;
Mk1 & Mk2 - (1) - 213113
Mk3 - (1) - 216972
Bearing (front) - (1) - 104433
Locates in main case.
Snap Ring - (1) - 112654
Retains bearing 104433 in casing.
Circlip (bearing to shaft) - (1) - 129839
Oil Flinger - (1) - 106365
Needle Roller (input shaft to mainshaft) - (1) - 144782
Mainshaft & Fittings
Mainshaft (non-overdrive models);
Mk1 & Mk2 - (1) - 213018
Mk3 - (1) - TKC533
Mainshaft (overdrive models);
Mk1, Mk2 & Mk3 - (1) - TKC923
Mainshaft Bearings;
Centre - (1) - 104433
Locates in main case.
Rear (non-overdrive) * - (1) - 157732
Rear (overdrive) ** - (1) - 533360A
* Locates in rear extension case.
** Locates in overdrive case.
Mainshaft oil Seals;
Front - (1) - 132292
Rear (extension) - (1) - 88G564
Non-overdrive.
Rear (overdrive unit) - (1) - 7H8325
Snap Ring - (1) - 112654
For centre bearing 104433.
Circlip - (1) - CR620325
For centre bearing 104433.
1st Speed Gear;
Mk1 & Mk2 - (1) - 144627
Mk3 - (1) - 154821
Washer - (1) - 137775
Fits between 1st gear & mainshaft centre bearing.
Split Collar - (1pr) - 137834
Fits between 1st gear & synchro ring.
Synchro Hub (1st & 2nd) - (1) - 156911
33 teeth.
Spring * - (3) - 106388
Ball Bearing * - (3) - BLS108
Shim * - (ar) - 37948
* For synchro hub 156911.
Synchro Ring (1st & 2nd gear);
Mk1 & Mk2 - (2) - 148409
Mk3 - (2) - 150328
2nd Speed Gear;
Mk1 & Mk2 - (1) - 137615
Mk3 - (1) - 155206
3rd Speed Gear;
Mk1 & Mk2 - (1) - 132097
Mk3 - (1) - UKC4454
Synchro Hub (3rd & 4th) - (1) - 156968
Spring * - (3) - 104445
Ball Bearing * - (3) - BLS108
Shim * - (ar) - 37948
* For synchro hub 156968.
Synchro Ring (3rd & 4th gear);
Mk1 & mk2 - (2) - 148409
Mk2 - (2) - 150328
Drive Flange & Fittings
Non-Overdrive Models -
Drive Flange;
Mk1 & Mk2 - (1) - 144690
Mk3 - (1) - 155755
Nut (nyloc);
Mk1 & Mk2 - (1) - NH609041
Mk3 - (1) - 510618A
Washer;
Mk1 & Mk2 - (1) - WL600121
Mk3 - (1) - WM74
Overdrive Models
Drive Flange - (1) - 146102
Nut (drive flange);
Castle Head Type - (1) - 515817
Clevelock Type - (1) - NKC81
Washer - (1) - UKC8120
Split Pin - (1) - PC12
Countershaft/Reverse Gear & operating Lever
Countershaft & Laygear
Countershaft (laypin) - (1) - 144595
Dowel (countershaft/laypin) - (1) - DS1908
Tension Spring - (3) - 137532
Thrust Washer (countershaft, rear) - (1) - 106270
Needle Rollers (pack of 50) - (1) - 119893
Retaining Plate (for needle rollers) - (4) - 119891
Countershaft/Laygear Cluster;
Mk1 & Mk2 - (1) - 212993
Mk3 - (1) - UKC3196
Thrust Washer (countershaft, front) - (1) - 113229
Reverse Gear & Operating Lever
Reverse Gear Assembly (21 teeth) - (1) - 144580
Includes bush 129862.
Bush (reverse gear) - (1) - 129862
Distance Piece (reverse gear) - (1) - 22G1435
Spindle (reverse gear) - (1) - 113071
Bolt (reverse gear) - (1) - 106477
Washer (spring) - (1) - GHF332
For bolt 106477.
Operating Lever (reverse) - (1) - 106254
Fulcrum Pin (threaded both ends) - (1) - 106448
Nut (nyloc) - (1) - TN3209
For fulcrum pin 106448.
Overdrive & Fittings ('D' Type)
Overdrive & Solenoid
Overdrive units are supplied less solenoid, output flange, adaptor plate & speedo drive.
NOTE: Ensure gearbox is cleaned internally to avoid cross contamination of old oil before fitting overdrive.
Overdrive Unit Only;
Reconditioned/exchange.
All Models - (1) - 307862R
Solenoid - (1) - 109521
Solenoid Plunger Only - (1) - 109521PLUNGER
Gasket (solenoid to case) - (1) - 7H8196
Speedo Angle Drive - (1) - 120694
Adaptor Plate - Gaskets & Oil Seal
Adaptor Plate (overdrive to gearbox) - (1) - 305137
Gasket Set (overdrive) - (1) - RG1048
Gaskets;
Adaptor to Gearbox - (1) - 106437
Adaptor to Overdrive Main Case - (1) - 37H1901
Overdrive Main Case to rear Extension - (1) - 37H1901
Side Plate Cover - (1) - 506098
Side Cover (solenoid side) - (1) - 513204
Bearing (rear extension/output) - (1) - 533360A
Oil Seal (rear casing/output) - (1) - 7H8325
Output Flange & Fittings
Drive Flange - (1) - 146102
Nut (drive flange);
Castle Head Type - (1) - 515817
Clevelock Type - (1) - NKC81
Washer - (1) - UKC8120
Split Pin - (1) - PC12
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