STIHL 4140 141 3700 Lever

The STIHL 4140 141 3700 Lever is used on a wide range of STIHL trimmers, blowers, hedge trimmers, Kombi engines, edgers, and MultiSystem tools.

Known applications include select FS 38, FS 45, FS 46, FS 55, BG 45, BG 55, BG 65, BG 85, SH 55, SH 85, KM 55, HL 45, FC 55, HS 45, and MM 55 models.

Important: STIHL uses this lever in different assembly groups depending on the machine, including the air filter, fuel tank, carburetor, and spacer-flange assemblies. Always verify part number 4140 141 3700 for your exact model before ordering.

STIHL 4140 141 3700 Lever

Part number 4140 141 3700 is a STIHL lever used across several popular equipment families.

Depending on the machine, the lever appears in assembly groups such as:

• Air filter
• Fuel tank
• Carburetor
• Spacer flange

Because the same part number is used across many machines, searching and ordering by the exact STIHL number is the best way to identify the correct component.

Product Details

Fits Select STIHL FS Trimmers

The 4140 141 3700 lever is used on numerous STIHL FS-series trimmers, including select:

• STIHL FS 38
• STIHL FS 38 2-MIX
• STIHL FS 45
• STIHL FS 45 D
• STIHL FS 45 C-E
• STIHL FS 46
• STIHL FS 46-D
• STIHL FS 46 C-E
• STIHL FS 46 C-E D
• STIHL FS 55
• STIHL FS 55-D
• STIHL FS 55 R
• STIHL FS 55 R-D
• STIHL FS 55 RC-E
• STIHL FS 55 RC-E D
• STIHL FS 55 C-E D

On these trimmer applications, the part appears within the air filter / spacer flange assembly.

Fits Select STIHL BG Blowers

Known blower applications include:

• STIHL BG 45
• STIHL BG 45 C KAT
• STIHL BG 46
• STIHL BG 46-D
• STIHL BG 55
• STIHL BG 55 C KAT
• STIHL BG 65
• STIHL BG 65-D
• STIHL BG 85
• STIHL BG 85-D

On these blower applications, 4140 141 3700 is generally shown within the carburetor / air-filter group.

Fits Select STIHL SH Vacuum Shredders

The same lever is also listed for select:

• STIHL SH 55
• STIHL SH 85
• STIHL SH 85-D

Fits Select STIHL KM 55 Kombi Engines

Known STIHL Kombi applications include:

• KM 55 R
• KM 55 R-D
• KM 55 RC-E
• KM 55 RC-E D

For these machines, the lever is listed in the air-filter / fuel-tank assembly.

Other STIHL Applications

Part number 4140 141 3700 is also listed for select:

• HL 45
• HL 45-D
• HS 45
• FC 55
• FC 55-D
• MM 55
• MM 55 C-E

Why Search by STIHL Part Number?

Small STIHL components can look very similar even when they have different applications. For this reason, the exact part number should be used whenever possible.

This lever may be searched as:

• 4140 141 3700
• 4140-141-3700
• STIHL 4140 141 3700
• STIHL lever 4140 141 3700
• FS38 lever
• FS45 lever
• FS55 lever
• BG55 lever

Verify Fitment Before Ordering

Before purchasing:

• Confirm the exact STIHL model
• Check the relevant air-filter, carburetor, fuel-tank or spacer-flange diagram
• Verify part number 4140 141 3700
• Do not order based only on the appearance of the original lever

Frequently Asked Questions

What is STIHL 4140 141 3700?

4140 141 3700 is a lever used on numerous STIHL trimmers, blowers, edgers, hedge trimmers and other outdoor power equipment.

Is 4140-141-3700 the same as 4140 141 3700?

Yes. They are two different ways of formatting the same STIHL part number.

Does 4140 141 3700 fit the STIHL FS 38?

Yes. It is listed for select FS 38 and FS 38 2-MIX applications within the air-filter / spacer-flange assembly.

Does this lever fit the STIHL FS 45?

Yes. 4140 141 3700 is listed for select FS 45 configurations, including certain FS 45 D and FS 45 C-E models.

Does it fit the STIHL FS 55?

Yes. The lever is used across multiple FS 55 configurations, including select FS 55, FS 55 R and FS 55 RC-E models.

Does 4140 141 3700 fit the STIHL BG 55?

Yes. The part is listed for select STIHL BG 55 applications within the carburetor / air-filter assembly.

Does it fit the STIHL BG 85?

Yes. 4140 141 3700 is listed for select BG 85 and BG 85-D applications.

Does this lever fit the STIHL KM 55?

It is listed for several KM 55 configurations, including select KM 55 R and KM 55 RC-E models.

Does it fit the STIHL HS 45?

Yes. The STIHL HS 45 is included among the known applications for part number 4140 141 3700.

How do I know if 4140 141 3700 is the correct lever?

Check the parts diagram for your exact STIHL model and confirm 4140 141 3700 before ordering.

STIHL 4140 141 3700 Lever

Order the STIHL 4140 141 3700 Lever for compatible FS 38, FS 45, FS 46, FS 55, BG 45, BG 55, BG 65, BG 85, SH 55, SH 85, KM 55, HL 45, FC 55, HS 45 and MM 55 equipment requiring this component.