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The SU carburettor was the brainchild of the late George Herbert Skinner, born 1872. In 1906, he took out a full patent for his first design for the carburettor. After some years fitting and tuning this design to individual cars, the SU Company Ltd. was registered in 1910. By 1911 the accounts show Wolesley and Rover were both regular customers.
SU has been building and designing carburettors for the past century, introducing a number of important developments in the technology. Today, they still build high quality carburettors that are made to last.

We do offer a number of different SU products, so if the part you are looking for is not listed below, please contact us for more information.

SU H Type Carburettor

1
2
3
4
Needle
Piston Spring
Damper
Jet Assembly
5

6

7

8

9

10

11

Needle and Seat Kit
(includes item 34)
Float Kit
(includes item 34)
Throttle Spindle Kit
(includes item 12,13,59,63)
Throttle Disc Kit
(includes item 12,13,63)
Gasket Pack
(includes items )
Service Kit
(includes items , )
Rebuild Kit
(includes items , , )

12
13
Gasket - Air Inlet
Gasket - Engine Flange
14 Jet Bearing Kit
a) Top Bearing Washer
b) Top Bearing
c) Cork Gland
d) Washer Gland
e) Spring
f) Bottom Bearing
g) Bottom Bearing Washer
h) Cork Gland
i) Sealing Ring
j) Jet Sealing Nut
k) Spring
l) Jet Adjusting Nut
WZX 1593
AUC 2122
AUC 3230
AUC 2120
AUC 2119
AUC 1158
AUC 3231
AUC 3233
AUC 2118
AUC 2117
AUC 3232
AUC 2114
AUC 2121
15 Slow Run Screw Kit
a) Throttle Stop
    Adjusting Screw
b) Spring
16


17
18
Fast Idle Screw Kit
a) Fast Idle Adjusting Screw
b) Spring
Throttle Stop
Fast Idle/Stop Lever
19 Throttle Lever
a) Bolt
b) Nut
c) Washer


AUC 2694
AJD 8012
AUC 2246

20
21
22
23
Fibre Washer
Suction Chamber Screws
Suction Chamber Piston Assy
Needle Lock Screw
AUC 4900
JZX 1394
24

Lift Pin Kit
a) Lift Pin
b) Spring
c) Circlip

WZX 993
PUC 1249
AUD 1151
AUD 4150
25
26
27
28
Banjo Bolt
Banjo Washers
Banjo
Filter
AUC 2698
AUC 2141
AUC 1832
AUC 2139
29
30
31
32
Float Lid Bolt (long)
Washer
Serrated Washer
Overflow Pipe
AUC 1867
AUC 1557
AUC 1928
33
34
35



36
37
Float Lid Assembly
Float Lid Washer
Float Lever



Float Lever Pin
Float Chamber

AUC 1147
AUC 1980
(early Bronze)
AUC 2285
(late Stainless)
AUC 1152
38
39
40
41
42
43

Holding Up Bolt
Fibre Washer
Brass Washer
Fibre Washer
Holding Up Bolt
Dished Washer

AUC 1541
AUC 5027
AUC 5026
AUC 2130
AUC 1335
AUC 1337
44
45
46
47
48
49
Rubber Grommet
Holding Up Stud
Nut
Steel Washer
Steel Washer
Fibre Washer
AUC 1534
AUC 1387
AJD 8206
AUC 1388
AUC 1389
AUC 1384
50

Fast Idle Cam Kit
a) Starlock Washer
b) Pivot Bolt
c) Spring Washer
d) Fast Idle Cam
e) Tension Link
f) Pivot Pin


AUC 5002
AUC 3471
AUC 3472
AUC 4730

AUC 5011
51
52
53
54
55
56
57
Jet Link
Jet Return Spring
Pivot Pin (See 55)
Split Pin (see 56)
Pivot Pin, alternative to 53
Starlock Washer (use with 55)
Jet Lever

AUC 4667
AUC 2381
CPS 0204
AUC 5009
AUC 5004
58







59
Throttle Return Spring Kit
a) Spring Anchor
b) Left Hand Spring
c) Retaining Clip
d) Washer
e) Nut
f) Bolt
g) Right Hand Spring
Taper Pin
WZX 1594
AUC 4770
AUC 4782
AUC 4771
AUC 4612
AJD 8014
AUC 2669
AUC 4781
AUC 2106
60

Coupling Assembly
a) Coupling
b) Bolt
c) Washer
d) Nut

AUE 75
AUC 4334
AUC 2669
AUC 4612
AJD 8014
61
62
63
64
65
66

67
68
Throttle Connecting Rod
Choke Connecting Link Assy
Disc Screw
Spindle Bush
Body
Ignition Union (not shown)

Float Lid Fixing Bolt (short)
Cover Cap (use with 67)
67 and 68 are used when an overflow pipe is not fitted.


AUC 1358


AUC 4490/
AUC 5100
AUC 1163
AUC 1245

SU H8 Type Carburettor

1
2
3
4
Needle
Piston Spring
Damper
Jet Assembly
5

6

7

8

9

10

11

Needle and Seat Kit
(includes item 34)
Float
Throttle Spindle Kit
(includes item 12,13,59,63)
Throttle Disc Kit
(includes item 12,13,63)
Gasket Pack
(includes items )
Service Kit
(includes items , )
Rebuild Kit
(includes items , , )



AUC 1182
12
13
Gasket - Air Inlet
Gasket - Engine Flange
14 Jet Bearing Kit
a) Top Bearing Washer
b) Top Bearing
c) Cork Gland
d) Washer Gland
e) Spring
f) Bottom Bearing
g) Bottom Bearing Washer
h) Cork Gland
i) Sealing Ring
j) Jet Sealing Nut
k) Spring
l) Jet Adjusting Nut
WZX 1593
AUC 2122
AUC 3230
AUC 2120
AUC 2119
AUC 1158
AUC 3231
AUC 3233
AUC 2118
AUC 2117
AUC 3232
AUC 2114
AUC 2121
15 Slow Run Screw Kit
a) Throttle Stop
    Adjusting Screw
b) Spring
WZX 980

AUC 1521
AUC 2451
16
17
18
19
Throttle Stop
Fast Idle/Stop Lever
Fibre Washer
Suction Chamber Screws


AUC 4900
AUA 4083
20
21
22
23
Washer
Needle Lock Screw
Banjo Bolt
Banjo Washers

AUA 4643
AUD 4253
AUC 2698
AUC 2141

24
25
26
Filter
Cap Nut
Washer
AUC 2655
AUC 1163B
AUC 1557
27
28
29

Support Arm
Bolt
Washer Locking

AUC 4984
AUC 4990
AUC 4875
30

31
32
Float Lid Assembly
(includes 5, 31, 32, 33, 34)
Washer
Pin
AUE 991

AUC 1183
AUC 1152
33
34
35
36
Float Fork
Gasket
Float Chamber
Washer
AUC 1185
AUC 1239
AUC 1178
AUC 2130
37
38
39
40
40a
Fibre Washer
Brass Washer
Holding Up Bold
Jet Link
Jet Link and Choke Cable Holder
AUC 5027
AUC 5026
AUC 1543
41
42
43
44

Jet Lever
Pilot Pin
Split Pin
Return Spring


AUC 2381
CPS 0204
AUC 4667
45
47

48
Disc Screw
Suction Chamber and
   Piston Assembly
Body
AUC 1358
ABF 316

AUC 6000
49



50

Coupling Assembly
a) Coupling
b) Bolt
c) Washer
Connecting Rod

AUE 75
AUC 4334
AUC 2669
AUC 4612
AUC 2402
51

Choke Interconnection
a) Fork
b) Nut
c) Rod
d) Clevis Pin
e) Split Pin

AUE 49E
ABF 295
AJD 8012
AUC 3435
AUC 2108
CPS 0204

 

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