A

Mainshaft & 3-4 Clutch

51B_A.jpg
30
31
80
81
82
51
6
5
83
5
6
30
31

B

Secondary Shaft & 1-2 Clutch

51B_B.jpg
85
44
84
30
31
6
5
87
5
6
45
31
30
86
52

C

Countershaft & Low Hold Clutch

51B_C.jpg
88
89
90
95
53
91
92
30
31
5
6
93
94

D

Case And Filter

51B_D.jpg
26
20
24
1
2
22
38

Codes

A6VA, AOYA, APX4, APXA, B6VA, B7VA, B7XA, B7YA, B7ZA, BAXA, BOYA, E7YA, M6HA, M7YA, MAXA, MCJA, MCKA, MDWA, MDXA, MGPA, MJ4A, MP1A, MPGA, MPJA, MPOA, MPRA, MPXA, MPZA, MR9A, PX4B, MPWA (with no Pan), RO (with Modulator).
 * Some Codes may not be listed.

Please check the following to enable us to identify the correct kit:

master kits

NO PART # DESCRIPTION SIZE YEARS QTY
Kit 51018KM Master Kit (B7XA) 90-ON 1
Kit 51024KM Master Kit Honda (MDWA/MGPA) 90-ON 1

seals

NO PART # DESCRIPTION SIZE YEARS QTY
20D 50200 Converter Seal 4 Cylinder Anti-Clockwise Rotation All Except Codes Listed Below 42.5 ID x 68.3 OD x 8.00mm 90-ON 1
20D 51202 Converter Seal V6 Clockwise Rotation B7YA, B7ZA, B7VZ, B7XA, E7YA, MPZA & M7YA 44 ID x 68OD x 8.00mm 95-ON 1
22D 51220 Axle Lefthand 40 ID x 66.3 OD x 8.00mm 90-ON 1
24D 51228 Axle Righthand 40 ID x 56.3 OD x 9.00mm 90-ON 1
26D 50202 Selector Shaft 10 ID x 22 OD x 7.00mm 90-ON 1

sealing rings

NO PART # DESCRIPTION SIZE YEARS QTY
Kit 51251K Sealig Ring Kit Honda APXA/BOYA/MJ4A 90-ON 1
Kit 51254K Sealig Ring Kit M6HA,MDWA,MAXA,B6VA 90-ON 1

friction plates

NO PART # DESCRIPTION SIZE YEARS QTY
Kit 51304K Friction Kit (BAXA/MAXA/M6HA/MDWA) GPX 90-ON 1

thrust washers & bearings

NO PART # DESCRIPTION SIZE YEARS QTY
44B 51466 Second Gear to Case Bearing 36 ID x 56 OD x 2.00mm 92-ON 1
NI 51930 Bearing Differential Carrier 40 ID x 80 OD x 18.75mm 90-ON 1
NI 51932 Bearing Differential Carrier 40 ID x 76.2 OD x 16.00mm 90-ON 1
NI 51940 Secondary Shaft Ball Bearing 27 ID x 75 OD x 13.00mm 92-ON 1
NI 51942 Counter Shaft Ball Bearing 31 ID x 75 OD x 16.50mm 92-ON 1

filters

Transmission must be Disassembled to change Filter.

electrical components

shift & reprogramme kits

hard parts

NO PART # DESCRIPTION SIZE YEARS QTY
85B 51960 2nd Gear Secondary Shaft MDWA, MDXA, MGP, MGRA 90-ON 1
NI 51952 Differential Pin Modified Type 90-ON 1

oil & transmission supplements