STIHL Parts & Spec Guide Unofficial
← Edgers · series 4137

Stihl 4137 · Section M · 12 of 27 · 38 parts

Carburetor WT-447

Fits FS 75, FS 80, FS 80 R, FS 85, FS 85 R, FS 85 T, FS 85 RX.

Position —

Go to table row → Where else is this used →
110111213141516171819220212223242526272829330313233343536456789
Tap a numbered callout to jump to that part. Scroll or pinch to zoom.

Parts (38)

PosPart numberDescriptionQty
1 4133 121 5400 Valve jet 1
2 4117 122 9402 Plug 1
3 1110 121 5100 Inlet needle 1
4 1120 122 3001 Spring 1
5 1113 121 5000 Inlet control lever 1
6 1113 121 9200 Spindle 1
7 1114 122 7400 Round head screw 1
8 4133 129 0901 Gasket 1
9 1113 121 4705 Metering diaphragm 1
10 4133 120 2201 Flange 1
11 4133 121 5200 Valve 1
12 4133 120 8600 Non-return valve 1
13 4133 121 2700 Cap 1
14 4133 121 0801 End cover 1
15 4133 122 7400 Round head screw 4
16 1114 121 7800 Strainer 1
17 1120 121 4805 Pump diaphragm 1
18 1120 129 0905 Gasket 1
19 4117 121 0803 End cover 1
20 1114 122 7100 Screw 1
21 4117 122 3006 Spring 1
22 4117 122 6200 Idle speed adjustment screw 1
23 4133 122 3200 Torsion spring 1
24 1117 122 9000 E-clip 1
25 4211 120 7100 Throttle shaft with lever 1
26 4211 121 8600 Washer 1
27 4215 121 8900 Pin 1
28 4211 122 9000 E-clip 1
29 4117 122 3007 Spring 1
30 4211 122 6700 High speed adjustment screw 1
31 1123 122 6801 Low speed adjustment screw 1
32 1115 122 3002 Spring 1
33 4117 121 3300 Throttle shutter 1
34 1110 122 7400 Round head screw 1
35 4130 121 8600 Washer 1
36 4133 120 8701 Control valve 1
Not numbered on the diagram — assemblies, kits and options
— 4137 120 0601 Carburetor WT-447 no longer available from factory 1
— 4133 007 1060 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 FS 75, FS 80, FS 80 R, FS 85, FS 85 R, FS 85 T, FS 85 RX? Report a correction →