STIHL Air Filter Cover – MS 150 / MS 150 T Chainsaw (1146 140 1900)

This STIHL Air Filter Cover (OEM No. 1146 140 1900) is a genuine replacement part designed for MS 150 and MS 150 T series chainsaws. It protects the air filter from dust, wood chips and debris, helping maintain clean airflow and consistent engine performance during operation.

Manufactured from durable, impact-resistant polymer, this cover is built for outdoor use in demanding arborist and landscaping environments. It ensures the air filter remains correctly seated and sealed, reducing engine wear and supporting reliable cutting performance.

Key Features

• Genuine STIHL OEM part for assured compatibility and fit
• OEM part number 1146 140 1900 (also 1146-140-1900)
• Direct-fit replacement for MS 150 and MS 150 T chainsaws
• Durable, heat- and impact-resistant polymer construction
• Protects air filter from dust, chips and debris
• Maintains correct filter positioning and sealing
• Supports consistent airflow and engine performance
• Quick and easy installation using existing fasteners

Designed for Reliable Engine Protection

This air filter cover is engineered to shield the intake system from contaminants, helping preserve engine performance and reduce wear on internal components during operation.

Durable OEM Construction

Built to STIHL’s original specifications, the cover is made from robust polymer that withstands impact, vibration and exposure to outdoor conditions. It ensures long service life in professional and domestic applications.

Compatibility and Application

This air filter cover is designed for STIHL MS 150 and MS 150 T top-handle chainsaws. It is commonly replaced during servicing or repairs when the original cover becomes damaged, worn or missing.

Technical Specifications

Compatible Models

Fits STIHL chainsaw models:

MS 150, MS 150 T, MS 150 TC.

Ideal For

• Replacing damaged or missing air filter covers
• Routine chainsaw servicing and maintenance
• Maintaining clean engine airflow
• Professional arborist and landscaping work
• Domestic chainsaw upkeep

Best For

The STIHL Air Filter Cover 1146 140 1900 is best for users maintaining MS 150 series chainsaws who need a genuine replacement to protect the intake system and ensure reliable engine performance.

Why Choose the STIHL Air Filter Cover 1146 140 1900?

Choosing a genuine STIHL replacement ensures precise fit, durability and correct sealing. It is an essential component for maintaining engine health, performance and longevity in compact top-handle chainsaws.

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