STIHL Parts & Spec Guide Unofficial
← Blowers · series 4203

Stihl 4203 · Section M · 12 of 12 · 35 parts

Pressure pump

Fits SR 340, SR 420.

Position —

Go to table row → Where else is this used →
11011121314151617181919191919191919221222324252627283456789
Tap a numbered callout to jump to that part. Scroll or pinch to zoom.

Parts (35)

PosPart numberDescriptionQty
1 4203 162 3100 Coupling element option 1
2 4202 701 0500 Pump housing, top option 1
3 9640 003 0950 Oil seal 10x18x6 option 1
4 4203 700 2800 Shaft option 1
5 9503 003 5090 Grooved ball bearing 6000-2RS option 1
6 9455 621 0850 Circlip 10x1 option 1
7 9099 021 1760 Self-tapping screw 2.9x9.5 option 2
8 9307 021 0080 Washer 3.2 option 2
9 4202 704 0600 Impeller option 1
10 9210 319 0900 Hexagon nut M6 option 1
11 4202 708 8900 Sealing ring option 1
12 4203 701 0510 Pump housing, base option 1
13 9210 260 0600 Hexagon nut M4 option 2
14 9041 216 0650 Pan head screw M4x10 option 2
15 9104 003 0711 Self-tapping screw P4x20 option 4
16 4202 708 9502 Hose 10x2x830 mm option 1
17 4202 701 2400 Restrictor option 1
18 not sold separately Hose 330 mm / 13'' option 1
19 9771 021 1400 Hose clip 14-9 option 8
21 4203 709 2002 Sealing ring option 1
22 4112 141 2301 Twist lock option 1
23 4203 700 8801 Strainer option 1
24 4203 700 6311 Nozzle Ø 0.5 mm option 1
24 4203 700 6312 Nozzle Ø 0.8 mm option 1
24 4203 700 6313 Nozzle Ø 1 mm option 1
24 4203 700 6314 Nozzle Ø 0.65 mm option 1
24 4203 700 6315 Nozzle Ø 1.6 mm option 1
24 4203 700 6316 Nozzle Ø 2 mm option 1
25 not sold separately Sealing ring optionnot available as a separate item 1
26 not sold separately Hose 400 mm / 15 13/16'' optionnot available as a separate item 1
27 0000 706 4100 Cap option 1
28 4202 708 9101 Bow option 2
Not numbered on the diagram — assemblies, kits and options
— 4203 007 1029 Pressure pump mounting kit (ULV) option 1
— 4203 700 0600 Pressure pump option 1
— 4202 708 9502 Hose 10x2x830 mm option 1

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

Wrong number or missing part for the SR 340, SR 420? Report a correction →