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- 1141 129 0900 – STIHL Metering Gasket (Genuine OEM Part)
Description
1141 129 0900 – STIHL Metering Gasket (Genuine OEM Part)
The STIHL 1141 129 0900 is a genuine OEM metering gasket designed to seal the metering diaphragm to the carburetor body on a wide range of compatible STIHL chainsaws and power equipment. This gasket ensures an airtight seal, allowing the metering diaphragm to function correctly and maintain accurate fuel delivery.
Manufactured to STIHL’s original equipment specifications, this metering gasket is made from high-quality, fuel-resistant gasket material to withstand fuel exposure, pressure changes, and continuous operation. Using a genuine STIHL metering gasket helps restore proper carburetor performance and prevent fuel or air leaks.
Product Details
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Manufacturer Part Number: 1141 129 0900
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Brand: STIHL
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Part Type: Metering Gasket
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System: Fuel system / Carburetor assembly
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Function: Seals the metering diaphragm to the carburetor
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Material: Fuel-resistant gasket material
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OEM Status: Genuine STIHL OEM replacement
Function
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Provides an airtight seal for the metering diaphragm
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Ensures accurate fuel metering inside the carburetor
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Prevents air and fuel leaks
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Supports smooth engine operation and reliable starting
Compatible With STIHL Equipment
Chainsaws
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MS 271 FarmBoss
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MS 271
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MS 291
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MS 291 C-BEQ
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MS 261 C-MQ
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MS 261 C-M
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MS 261 C-Q
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MS 261
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MS 241 C-M
Trimmers / Brushcutters / Kombi
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FS 91 / FS 91.0 / FS 91 R
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FS 111 / FS 111 R / FS 111 RX
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FS 131 / FS 131.0 / FS 131 R / FS 131.0 R (Carburetor 4180/20)
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FS 235.0 / FS 235.0 R (Carburetor 4151/02)
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FS 311 (Carburetor 4180/20)
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KM 91 R
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KM 111 R
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KM 131 R
Other Equipment
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BT 131 (Carburetor 4180/20)
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FB 131
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FC 91 / FC 96 / FC 111
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FR 235.0 (Carburetor 4151/02)
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HT 102 / HT 105 / HT 131 / HT 132 / HT 133 / HT 134 / HT 135
How It’s Used
This metering gasket installs between the carburetor body and the metering diaphragm. It creates a proper seal that allows the diaphragm to respond accurately to pressure changes and regulate fuel flow.
The gasket should be replaced whenever the carburetor is serviced or rebuilt.
Suggested Maintenance
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Replace the gasket during carburetor rebuilds
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Inspect for tears, compression, or fuel saturation
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Ensure correct gasket orientation during installation
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Use only clean fuel to extend carburetor component life
The STIHL 1141 129 0900 Metering Gasket is used in OEM-specified carburetor applications where proper sealing, accurate fuel control, and long-term reliability are essential.
