STIHL Chain Sprocket Cover for MS 150 & MS 151 Chainsaws - 1146 640 1704

The STIHL Chain Sprocket Cover for MS 150 and MS 151 chainsaws is a replacement side cover designed to shield the drive sprocket and clutch area while helping secure the guide bar in place. Moulded from durable, impact-resistant polymer with a light grey finish, this cover helps protect key drive components from chips, dirt, sap and everyday site debris.

Designed for compact STIHL pruning and arborist chainsaws, this chain sprocket cover supports smooth chain operation, consistent guide bar clamping and reliable chain tracking during light cutting, pruning and limbing work. It is suitable for arborists, grounds maintenance teams, landscapers and domestic users replacing a worn, cracked or damaged side cover on compatible STIHL MS 150 and MS 151 models.

Key Features

• Replacement chain sprocket cover for compatible STIHL compact chainsaws
• STIHL Part Number: 1146 640 1704
• Designed for STIHL MS 150, MS 150 T, MS 151 C and MS 151 TC models
• Durable impact-resistant polymer construction for long service life
• Light grey finish to match the original saw appearance
• Protects the sprocket and clutch area from chips, dirt, sap and debris
• Helps maintain secure guide bar clamping and consistent chain alignment
• Resists chain oil, fuel splash and everyday knocks during regular use
• Smooth inner surfaces help make debris removal easier during servicing
• Uses the saw’s existing bar studs and nuts for straightforward fitting

Typical Applications

This STIHL chain sprocket cover is used on compatible compact chainsaws during pruning, limbing, arborist work, estate maintenance, landscaping and domestic garden cutting. It helps keep the drive end protected in resinous, dusty or debris-heavy conditions while supporting reliable chain tracking between routine cleaning and servicing.

Technical Specification

Fits Models

• STIHL MS 150
• STIHL MS 150 C
• STIHL MS 150 T
• STIHL MS 150 T C
• STIHL MS 151 C
• STIHL MS 151 TC
• STIHL MS150
• STIHL MS150C
• STIHL MS150T
• STIHL MS150T C
• STIHL MS150TC
• STIHL MS151C
• STIHL MS151TC

Also Known As

• STIHL sprocket guard
• STIHL clutch cover
• STIHL chainsaw side cover
• STIHL chaincase cover
• STIHL sprocket protector
• STIHL MS 150 side cover
• STIHL MS 151 clutch cover
• STIHL pruning chainsaw sprocket cover

Why Choose the Correct STIHL Replacement Cover?

Using the correct replacement sprocket cover helps maintain proper guide bar support, chain alignment and drive component protection. A well-fitting cover reduces the risk of debris entering the sprocket and clutch area, helping support smoother chain operation, easier servicing and more reliable performance during pruning and light cutting work.

Explore More

• STIHL Spare Parts
• STIHL Parts Finder
• Chainsaw Parts
• STIHL Chainsaw Chain Selector
• Chain Sharpening Tools

FAQs

What is the part number for this STIHL chain sprocket cover?

The STIHL part number is 1146 640 1704.

Which STIHL chainsaws does this sprocket cover fit?

This sprocket cover fits selected STIHL MS 150 and MS 151 series chainsaws, including MS 150 T and MS 151 TC models.

What does a chain sprocket cover do?

The chain sprocket cover protects the drive sprocket and clutch area while helping secure the guide bar and maintain correct chain alignment.

When should this sprocket cover be replaced?

Replace the sprocket cover if it is cracked, heavily worn, damaged, missing or no longer secures the guide bar correctly.

Is this suitable for arborist pruning saws?

Yes, this cover is suitable for compatible compact STIHL pruning and top-handle chainsaw models used by arborists, grounds teams and domestic users.

英国標準配送料 £3.60+VAT
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翌日配送 - £5.00+VAT
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