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- 1137 140 1903 – STIHL Carburetor Box Cover (Genuine OEM Part)
Description
1137 140 1903 – STIHL Carburetor Box Cover (Genuine OEM Part)
The STIHL 1137 140 1903 is a genuine OEM carburetor box cover designed to enclose and protect the carburetor and intake components on compatible STIHL chainsaws. This cover helps seal the air intake area, guiding filtered air to the carburetor while protecting internal components from debris, dust, and environmental exposure.
Manufactured to STIHL’s original equipment specifications, this carburetor box cover is built from durable, high-quality materials to ensure proper fit, effective sealing, and long service life. Using a genuine STIHL carburetor box cover helps maintain correct airflow, reliable engine performance, and long-term durability.
Product Details
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Manufacturer Part Number: 1137 140 1903
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Brand: STIHL
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Part Type: Carburetor Box Cover
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System: Air intake system / Manifold assembly
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Function: Encloses and protects the carburetor and intake components
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Material: High-strength molded composite
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OEM Status: Genuine STIHL OEM replacement
Function
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Protects the carburetor and intake components from debris
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Helps seal the air intake system
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Guides filtered air to the carburetor
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Supports consistent engine performance
Compatible With STIHL Chainsaws
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MS 194 T (Air filter, Manifold)
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MS 193 T (Air filter, Manifold)
How It’s Used
This carburetor box cover installs over the carburetor and intake manifold, forming part of the air intake assembly. It works in conjunction with the air filter and manifold to ensure clean, controlled airflow to the engine.
Correct installation ensures proper sealing and airflow management.
Suggested Maintenance
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Inspect the cover for cracks or warping
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Ensure sealing surfaces are clean and undamaged
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Check for secure mounting during air filter service
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Replace the cover if damaged to prevent air leaks
The STIHL 1137 140 1903 Carburetor Box Cover is used in OEM-specified air intake system applications where proper sealing, airflow control, and component protection are essential.
