STIHL Parts & Spec Guide Unofficial
← 020 T · MS 200 · MS 200 T

Stihl 1129 · Section M · 12 of 14 · 36 parts

Carburetor WT-326D

Fits 020 T, 020.

Position —

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Parts (36)

PosPart numberDescriptionQty
1 1129 121 5402 Valve jet 1
2 4117 122 9402 Plug 1
3 1129 121 5600 Fixed jet 0.50 1
5 4116 121 5100 Inlet needle 1
6 4116 122 3000 Spring 1
7 1113 121 5000 Inlet control lever 1
8 1113 121 9200 Spindle 1
9 1114 122 7400 Round head screw 1
10 1120 129 0900 Gasket 1
11 1129 121 4700 Metering diaphragm 1
12 1113 121 0800 End cover 1
13 1106 122 7400 Round head screw 4
14 1114 121 7800 Strainer 1
15 1121 121 4801 Pump diaphragm 1
16 1120 129 0905 Gasket 1
17 1129 121 0801 End cover 1
18 1114 122 7100 Screw 1
19 not sold separately Ball not available as a separate item 1
20 not sold separately Idle speed adjustment screw not available as a separate item 1
21 1130 122 3200 Torsion spring 1
22 1129 120 7101 Throttle shaft with lever 1
23 1123 121 3301 Throttle shutter 1
24 1115 122 7400 Round head screw 1
25 1117 122 9000 E-clip 1
26 1123 122 6802 Low speed adjustment screw 1
27 1115 122 3002 Spring 1
28 1111 121 8605 Washer 1
29 4124 122 3600 Sealing ring 1
30 1129 122 3200 Torsion spring 1
31 1129 120 7202 Choke shaft with lever 1
32 1110 122 7400 Round head screw 1
33 1123 122 9000 E-clip 1
34 1130 121 2900 Choke shutter 1
35 1123 121 5642 Fixed jet 0.42 option 1
Not numbered on the diagram — assemblies, kits and options
— 1129 120 0606 Carburetor WT-326D → replaced by 1129 120 0651 TI 37/2000 1
— 1129 007 1061 Set of carburetor parts 1

2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering.

Wrong number or missing part for the 020 T, 020? Report a correction →