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Description
4226 121 2700 – STIHL Primer Bulb (Genuine STIHL OEM Fuel Primer Bulb)
The STIHL 4226 121 2700 Primer Bulb is a genuine OEM replacement fuel primer bulb designed to ensure reliable fuel delivery and easier engine starting on compatible STIHL cut-off machines and outdoor power equipment. Manufactured to STIHL's exact factory specifications, this primer bulb allows fuel to be drawn into the carburetor before starting, reducing the number of pull-starts required and improving cold-start performance.
Made from durable, fuel-resistant rubber, the 4226 121 2700 Primer Bulb is engineered to withstand exposure to gasoline, ethanol-blended fuels, UV rays, heat, and vibration. Replacing a cracked, hardened, or leaking primer bulb with a genuine STIHL OEM part helps restore proper fuel system operation and dependable engine performance.
Product Details
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Part Number: 4226 121 2700
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Brand: STIHL
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Part Type: Primer Bulb
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Function: Primes the fuel system for easier engine starting
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Material: Fuel-Resistant Rubber
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Installation: Direct OEM Replacement
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OEM Status: Genuine STIHL OEM Part
Key Features
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Genuine STIHL OEM primer bulb
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Helps improve cold-start performance
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Durable fuel-resistant rubber construction
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Resistant to gasoline, ethanol, UV exposure, and heat
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Restores proper fuel priming
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Helps reduce excessive pull-starts
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Direct replacement with no modifications required
Function
The 4226 121 2700 Primer Bulb manually draws fuel through the fuel system into the carburetor before starting the engine. Proper priming helps ensure faster starts, smoother operation, and consistent fuel delivery, especially after storage or fuel system service.
Compatible STIHL Equipment
The STIHL 4226 121 2700 Primer Bulb is commonly used on selected STIHL equipment, including:
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TS 700 Cut-Off Machine
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TS 800 Cut-Off Machine
It may also fit other STIHL models utilizing OEM part number 4226 121 2700.
Always verify your equipment model, serial number, and original OEM part number before ordering to ensure proper compatibility.
Who Is This For?
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Professional contractors
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Construction crews
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Landscaping professionals
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Equipment repair technicians
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Rental equipment operators
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STIHL equipment owners
Recommended Applications
Ideal for:
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Replacing cracked or leaking primer bulbs
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Fuel system maintenance
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Carburetor service
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Restoring easy starting
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Preventive maintenance
Pros
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Genuine STIHL OEM quality
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Restores proper fuel priming
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Improves starting reliability
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Fuel- and ethanol-resistant material
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Easy direct replacement
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Long service life
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Factory-correct fit
Cons
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Compatible only with specified STIHL equipment
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Should be replaced if hardened, cracked, or leaking
Comparison – STIHL 4226 121 2700 OEM Primer Bulb vs Aftermarket Primer Bulbs
STIHL 4226 121 2700 Genuine OEM Primer Bulb
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Exact OEM dimensions
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Premium fuel-resistant rubber
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Reliable sealing and fuel flow
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Superior durability
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Designed specifically for STIHL equipment
Aftermarket Primer Bulbs
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May vary in fit and material quality
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Variable resistance to ethanol fuels
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Potential sealing issues
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Shorter service life
Why Buy from Barry's Power Equipment?
Barry's Power Equipment is an authorized STIHL dealer supplying genuine OEM replacement parts trusted by professional contractors, landscapers, and outdoor power equipment technicians.
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Genuine OEM STIHL replacement parts
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Fast nationwide shipping
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Competitive pricing
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Expert technical support
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Extensive inventory for STIHL, SCAG, Toro, Exmark, Wright, Ariens, Gravely, Hydro-Gear, Kawasaki, Kohler, Honda, Briggs & Stratton, Ferris, Hustler, Cub Cadet, John Deere, and many other leading outdoor power equipment brands.
