STIHL 0000 350 6201 Fuel Pump Primer Bulb | OEM

The STIHL 0000 350 6201 Fuel Pump, commonly called a primer bulb, is a genuine OEM STIHL replacement part used on select STIHL chainsaws, trimmers, hedge trimmers, pole pruners, Kombi engines, augers, and specialty equipments. This part helps prime the fuel system for easier starting and proper fuel delivery.

STIHL 0000 350 6201 is listed across many STIHL model families, including select MS, FS, HS, HL, HT, KM, BT, and SP series applications where STIHL specifies this part number.

Always verify your complete STIHL model number, serial number, original primer bulb part number, and parts diagram before ordering. Fuel system parts can vary by equipments version, serial-number range, and production date.

Compatible STIHL Model References

STIHL 0000 350 6201 is listed for the following model references. Use this list as a guide only and confirm fitment with your exact STIHL parts diagram before ordering.

• STIHL MS 291 C-BEQ - Air baffle, carburetor bracket, shroud
• STIHL MS 172 C-E - Engine housing, air filter, AV system, handlebar
• STIHL MS 182 C-BE - Engine housing, air filter, AV system, handlebar
• STIHL MS 212 C-BE - Engine housing, air filter, AV system, handlebar
• STIHL MS 201 C-EM - Tank housing
• STIHL MS 201 C-E - Tank housing
• STIHL FS 120 - Carburetor housing, air filter up to serial number 809 249 646 / 10.2016
• STIHL FS 120 R - Carburetor housing, air filter up to serial number 809 249 646 / 10.2016
• STIHL FS 250 - Carburetor housing, air filter up to serial number 809 249 646 / 10.2016
• STIHL FS 250 R - Carburetor housing, air filter up to serial number 809 249 646 / 10.2016
• STIHL FS 350 - Carburetor housing, air filter
• STIHL FS 450-K - Carburetor housing, air filter
• STIHL FS 94 R - Engine up to serial number 514309587
• STIHL HS 56 - Handle housing, fuel tank
• STIHL HS 56 C-E - Handle housing, fuel tank
• STIHL HS 46 C-E - Handle housing, fuel tank
• STIHL HL 94 K - Engine up to serial number 514368761
• STIHL HL 94 - Engine up to serial number 514368761
• STIHL HL 91 K - Engine up to serial number 514399784
• STIHL HT 250 - Carburetor housing, air filter, 16.2017
• STIHL KM 94 R - Engine up to serial number 514291126
• STIHL BT 121 - Carburetor housing, air filter
• STIHL BT 120 C - Carburetor housing, air filter
• STIHL SP 200 - Carburetor housing, air filter

Important: Several of these STIHL applications have serial-number breaks. Confirm that your parts diagram lists 0000 350 6201 before ordering.

When to Replace This Part

• Primer bulb is cracked, cloudy, stiff, or damaged
• Primer bulb does not fill with fuel
• Fuel leaks around the primer bulb
• Machine is difficult to start
• Fuel lines or carburetor service is being performed
• Parts diagram lists STIHL 0000 350 6201 for your machine

Important Fitment Notes

• Verify fitment by exact STIHL model and parts diagram
• Do not order by model family alone
• Some models have serial-number breaks or production-date changes
• Inspect fuel lines, grommets, carburetor components, and tank fittings when replacing fuel system parts
• If the primer bulb will not fill, check for cracked fuel lines or air leaks

Pre-Purchase Checklist

Before ordering STIHL 0000 350 6201, confirm:

• Your complete STIHL model number
• Your machine version or serial number if applicable
• Your original fuel pump / primer bulb part number
• Your parts diagram lists 0000 350 6201
• Your fuel lines and related components are in serviceable condition

Installation and Service Notes

Fuel system service should be completed with the equipments turned off and cooled down. Keep dirt and debris out of the fuel system during installation.

• Drain or control fuel before service if needed
• Inspect fuel lines for cracks, stiffness, or leaks
• Replace brittle or damaged fuel lines during service
• Confirm the primer bulb is seated correctly after installation
• Prime and test the machine for leaks before returning it to use