Stihl SR420 Parts

Stihl SR420 Specs

Displacement 56.5 cc (3.44 cu. in.)
Weight 10.9 kg (24.0 Ibs.)
Fuel Capacity 1500 cc (50.7 oz.)
Container Capacity 14.0 l (3.7 gals.)
Air Volume With tubes: 750 m/h (441 cfm)
Without tubes: 1260 m/h (742 cfm)
Air Velocity 101 m/sec. (226 mph)
Spray Range: (Ideal conditions) 
Vertical 11.5 m (38 ft.)
Horizontal 12 m (40 ft.)

Standard Features
• Larger more powerful engine for increased spray range

Optional Features
• Metering pump kit 4203-007-1026
• Dusting and granulate-spreading attachment 4203-007-1013
• Ultra-low volume jet kit 4203-007-1019

Stihl SR420 Backpack Sprayer Blower Parts Lookup List

4203 141 0301 Air Filter

4203 120 1500 Pre Filter

4203 708 0800 Anti-Vibration Buffer Springs

4203 701 6102 Blower Tube

4203 120 0601 / 4203 120 0603 / 4203 120 0607 Carburetor

D10-HD Carburetor Gasket and Diaphragm Kit (For Walbro HD)

K10-HD Carburetor Rebuild Kit (For Walbro HD)

4203 120 2200 Carburetor Manifold Spacer

4116 030 0400 Crankshaft

4203 020 1201 Cylinder and Piston Kit (46mm)

0000 350 3502 / 0000 350 3520 Fuel Filter (Zama ZF-4)

4203 350 7600 Fuel Line

0000 989 0516 Fuel Line Grommet

4203 007 1050 Gasket Set

4203 400 1302 Ignition Coil

4203 140 0602 / 4203 140 0603 Muffler

4203 030 2001 Piston (46mm)

1118 034 3001 Piston Rings (46mm x 1.5mm)

Bosch WSR6F Spark Plug

Champion RCJ6Y Spark Plug

NGK BPMR7A Spark Plug

4203 190 0405 Starter (Recoil)

0000 190 3401 Starter Handle

4116 195 7200 Starter Pawl

1118 190 0600 Starter Spring

4203 180 1111 Throttle Cable