Description
1137 120 0621 STIHL Carburetor 1137/21 (Genuine OEM Part)
The STIHL 1137 120 0621 is a genuine OEM carburetor, model 1137/21, designed to deliver precise fuelair mixture control for consistent engine performance on compatible STIHL chainsaws. This carburetor plays a critical role in ensuring smooth starting, stable idle, and reliable power output across varying operating conditions.
Manufactured to STIHLs original equipment specifications, this carburetor is built with high-quality internal components for accurate fuel metering, dependable operation, and long service life. Using a genuine STIHL carburetor helps maintain factory engine performance, fuel efficiency, and emissions compliance.
Product Details
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Manufacturer Part Number: 1137 120 0621
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Brand: STIHL
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Part Type: Carburetor
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Carburetor Model: 1137/21
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System: Fuel system / Air intake system
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Function: Regulates fuelair mixture for engine operation
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OEM Status: Genuine STIHL OEM replacement
Function
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Delivers accurate fuelair mixture to the engine
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Supports smooth idle, throttle response, and full power output
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Improves starting reliability and engine efficiency
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Maintains factory performance specifications
Compatible With STIHL Chainsaws
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MS 194 T (Air filter, Manifold)
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MS 194 C-E (Air filter, Manifold)
How Its Used
This carburetor installs between the air filter and intake manifold, controlling fuel delivery to the engine based on throttle input and operating conditions. Proper integration with the air intake system ensures efficient combustion and consistent performance.
Correct installation and adjustment are essential for optimal engine operation.
Suggested Maintenance
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Use fresh, properly mixed fuel
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Inspect and clean the air filter regularly
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Check for fuel leaks or poor throttle response
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Replace the carburetor if adjustment no longer restores proper performance
The STIHL 1137 120 0621 Carburetor (1137/21) is used in OEM-specified fuel system applications where accurate fuel delivery, reliability, and long-term durability are essential.
