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Guessworks Gearbox Parts
Gearboxes
New Parts
Used Parts
3 Synch
4 Synch - A series
4 Synch - A+
Magic Wand
Remote
Rod Change
Differential
Speedo
Tools
Bottletop Racing
Filter parts
Item
Price
(inc VAT)
Qty
Alloy adapter block
12G1318
£ 10.00
(£ 12.00)
1
2
3
4
5
6
7
8
9
10
Needle roller for A+ layshaft and mainshaft nose.
13H9513
£ 1.00
(£ 1.20)
1
2
3
4
5
6
7
8
9
10
1st Gear
22G1096
£ 15.00
(£ 18.00)
1
2
3
4
5
6
7
8
9
10
2nd/3rd Gear locking spring
22G154
£ 0.75
(£ 0.90)
1
2
3
4
5
6
7
8
9
10
Baulkring
22G2033
£ 6.00
(£ 7.20)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Synchro Spring
22G2262
£ 0.10
(£ 0.12)
1
2
3
4
5
6
7
8
9
10
1st./2nd Synchro hub
22G2263
£ 65.00
(£ 78.00)
1
2
3
4
5
6
7
8
9
10
3rd/4th Synchro Hub
22G2264
£ 35.00
(£ 42.00)
1
2
3
4
5
6
7
8
9
10
3rd motion pinion gear nut ( A series )
22G48
£ 2.00
(£ 2.40)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
Spring ring for double roller bearing
22G72
£ 1.00
(£ 1.20)
1
2
3
4
5
6
7
8
9
10
1st Gear bearing journal (Top Hat)
22G837
£ 5.00
(£ 6.00)
1
2
3
4
5
6
7
8
9
10
2nd Gear thrust/locking washer
22G839
£ 6.00
(£ 7.20)
1
2
3
4
5
6
7
8
9
10
2nd/3rd Gear locking peg
22G843
£ 0.50
(£ 0.60)
1
2
3
4
5
6
7
8
9
10
1st Motion bearing circlip
22G850
£ 1.00
(£ 1.20)
1
2
Laygear thrust washer large
22G860
£ 4.00
(£ 4.80)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
3rd Gear thrust/locking washer (4 synchro)
22G947
£ 4.00
(£ 4.80)
1
2
3
4
5
6
7
8
9
10
1st motion input gear nut
2A3548
£ 2.00
(£ 2.40)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
Main Double Roller Bearing
AAU1365
£ 10.00
(£ 12.00)
1
2
3
4
5
6
7
8
9
10
1st Gear needle roller bearing
AAU1815
£ 2.00
(£ 2.40)
1
2
3
4
5
6
7
8
9
10
2nd/3rd Gear needle roller bearing
AAU1816
£ 2.00
(£ 2.40)
1
2
3
4
5
6
7
8
9
10
1st Motion Single Roller Bearing
ADU7619
£ 2.50
(£ 3.00)
1
2
3
4
5
6
7
8
9
10
Synchro Ball
BLS107
£ 0.10
(£ 0.12)
1
2
3
4
5
6
7
8
9
10
Layshaft large needle roller
CHM141
£ 0.50
(£ 0.60)
1
2
3
4
5
6
7
8
9
10
3rd Motion Shaft (A+ Early)
DAM168
£ 30.00
(£ 36.00)
1
2
3
4
5
6
7
8
9
10
3rd motion bearing retainer
DAM1756
£ 10.00
(£ 12.00)
1
2
3
4
5
6
7
8
9
10
A+ Idler Gear
DAM2924
£ 15.00
(£ 18.00)
1
2
3
4
5
6
7
8
9
10
Input Gear (A+ - 29 Tooth)
DAM2925
£ 20.00
(£ 24.00)
1
2
3
4
5
6
7
8
9
10
1st Motion shaft - Early A+ 17 teeth
DAM3092
£ 25.00
(£ 30.00)
1
2
3
4
5
6
7
8
9
10
1st Motion Shaft - A+ GT Ratios
DAM3167
£ 130.00
(£ 156.00)
0
Currently Unavailable
Laygear (A+; 4 Synchro - 29, 25, 20, 15 Tooth)
DAM3169
£ 25.00
(£ 30.00)
1
2
3
4
5
6
7
8
9
10
Laygear thrust washer small 0.121-0.123"
DAM3180
£ 4.00
(£ 4.80)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Layshaft A+ 3 Step
DAM3187
£ 5.00
(£ 6.00)
1
2
3
4
5
6
7
8
9
10
1st Motion Shaft (A+ Single Groove - 17 Tooth)
DAM4930
£ 15.00
(£ 18.00)
1
2
3
4
5
6
7
8
9
10
Laygear (A+ Single Groove - 30, 26, 21, 15 Tooth)
DAM4931
£ 25.00
(£ 30.00)
1
2
3
4
5
6
7
8
9
10
2nd Gear (A+ Single Groove - 26 Tooth)
DAM4932
£ 45.00
(£ 54.00)
1
2
3
4
5
6
7
8
9
10
3rd Gear (A+ Single Groove - 21 Tooth)
DAM4933
£ 15.00
(£ 18.00)
1
2
3
4
5
6
7
8
9
10
Laygear (A+ Double Groove - 31, 27, 21, 15 Tooth)
DAM6238
£ 30.00
(£ 36.00)
1
2
3
4
5
6
7
8
9
10
2nd Gear (A+ Double Groove - 25 tooth)
DAM6240
£ 35.00
(£ 42.00)
1
2
3
4
5
6
7
8
9
10
3rd Gear (A+ Double Groove - 20 Tooth)
DAM6241
£ 20.00
(£ 24.00)
1
2
3
4
5
6
7
8
9
10
1st Motion Shaft (A+ Double Groove - 16 Tooth)
DAM6242
£ 15.00
(£ 18.00)
1
2
3
4
5
6
7
8
9
10
Input Gear (A+ Economy - 28 Tooth)
DAM6337
£ 20.00
(£ 24.00)
1
2
3
4
5
6
7
8
9
10
1st / 2nd Synchro hub
DAM7455
£ 65.00
(£ 78.00)
1
2
3
4
5
6
7
8
9
10
3rd/4th Synchro Hub
DAM7456
£ 35.00
(£ 42.00)
1
2
3
4
5
6
7
8
9
10
3rd Motion Shaft (A+)
DAM7484
£ 30.00
(£ 36.00)
1
2
3
4
5
6
7
8
9
10
3rd motion pinion gear nut ( A+ )
DAM7485
£ 2.00
(£ 2.40)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
Reverse idler gear shaft
DAM8038
£ 5.00
(£ 6.00)
1
2
3
4
5
6
7
8
9
Reverse Idler Gear (Rod Change)
DAM8046
£ 15.00
(£ 18.00)
1
2
3
4
5
6
7
8
9
10
998/1098 Primary Gear (A+ - 29 Tooth)
DAM8888
£ 25.00
(£ 30.00)
1
2
3
4
5
6
7
8
9
10
GT Gearset (A+)
GTAP
£ 351.75
(£ 422.10)
0
Currently Unavailable
A profile Gearset (A+)
GW-ATAP
£ 55.00
(£ 66.00)
0
Currently Unavailable
A Series Rod change Gearbox Case
GW-GBCA
£ 80.00
(£ 96.00)
1
2
3
4
5
6
7
8
9
10
A+ Rod change Gearbox Case DAM5626
GW-GBCAP
£ 120.00
(£ 144.00)
1
2
3
4
5
6
7
8
9
10
2nd/3rd Gear locking Peg and Spring Set
GW-GLSP
£ 2.50
(£ 3.00)
1
2
3
4
5
6
7
8
9
10
Bearing retainer screw
SH505071
£ 0.33
(£ 0.40)
1
2
3
4
5
6
7
8
9
10
0800 0248454
or 07526 483268
