A

Mainshaft, 2-4 & Low Clutches

51D_A.jpg
80
81
30
83
31
5
6
6
5
82
5
6
34
35
84
32
33

B

Countershaft, 3rd & Low Hold Clutches

51D_B.jpg
36
37
6
5
85
86
87
88
89
51
90
5
6
38
39
91
92

C

Secondary Gear & Shaft

51D_C.jpg
21
93

D

Cases, Pan & Filter

51D_D.jpg
2
22
23
3
20
7
1
55

Codes

MIWA, MPVA, MPWA, PW4A
 * Some Codes may not be listed.

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

overhaul kits

NO PART # DESCRIPTION SIZE YEARS QTY
Kit 51015K Overhaul Kit MPVA, MPWA, MIWA, PW4A With 116mm Clutch Plates Transtec 91-ON 1

gaskets

NO PART # DESCRIPTION SIZE YEARS QTY
1D 51142 Pan Gasket MPWA, MIWA, PW4A 91-ON 1
2D 51138 Case Gasket MPWA, M1WA 91-ON 1
3D 51128 End Cover Gasket MPWA, MIWA 91-ON 1

rubber components

seals

NO PART # DESCRIPTION SIZE YEARS QTY
20D 50200 Converter Seal 42.5 ID x 68.3 OD x 8.00mm 91-ON 1
21C 51244 Secondary Shaft Inner 31.8 ID x 42.2 OD x 7.00mm 91-ON 1
22D 51243 Secondary Shaft Front 47.9 ID x 70.3 OD x 11.20mm 91-ON 1
23D 51245 Secondary Shaft Rear 37.5 ID x 60.3 OD x 8.00mm 91-ON 1
NI 75205 Selector Shaft 12 ID x 22 OD x 7.00mm 91-ON 1

thrust washers & bearings

NO PART # DESCRIPTION SIZE YEARS QTY
NI 51488 Thrust Bearing 42 ID x 67 OD x 3.00mm 1

filters

NO PART # DESCRIPTION SIZE YEARS QTY
55D 51566 Filter MPWA, MIWA, PW4A 91-ON 1

Transmission must be Disassembled to change Filter.

sundry parts

NO PART # DESCRIPTION SIZE YEARS QTY
51B 51767 Countershaft Nut 91-ON 1
NI 51767 Secondary Shaft Nut 91-ON 1

shift & reprogramme kits

NO PART # DESCRIPTION SIZE YEARS QTY
Kit 51800K Lube Correction Kit, TransGo 97-09 1

fluids

NO PART # DESCRIPTION SIZE YEARS QTY
NI 49911 Lubegard Black 91-ON 1
NI 49999-04 ATF DX III 4 LITRE 95-ON AR