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Description
4237 740 6505 STIHL Guide 750 mm / 30" R – Genuine OEM Cutter Bar Part
The STIHL Guide 750 mm / 30" R (4237 740 6505) is a genuine OEM cutter bar guide component designed to deliver extended reach, smooth blade alignment, and professional trimming performance on select STIHL hedge trimmers and battery hedge trimmer models. This 750 mm (30-inch) guide supports consistent cutting results for demanding landscaping and commercial hedge maintenance applications.
Over time, cutter bar guides can become worn, bent, or damaged due to heavy use, impact with debris, or insufficient lubrication. A damaged guide may cause uneven trimming, increased vibration, or accelerated wear on blades and gearbox components. Replacing it with the correct OEM part restores factory cutting performance without replacing the complete trimmer assembly.
Manufactured to STIHL factory specifications, this genuine cutter bar guide ensures correct fitment, durability, and long-term reliability under professional operating conditions.
Product Details
OEM Part Number: 4237 740 6505
Brand: STIHL (Genuine OEM)
Part Type: Cutter Bar Guide
Length: 750 mm / 30"
Application: Hedge trimmer cutter bar assembly
Condition: New Genuine OEM Part
Function
This STIHL cutter bar guide is designed to:
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Provide stable blade alignment for smooth trimming
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Support extended reach with 750 mm cutting length
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Maintain consistent cutting efficiency and precision
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Replace worn, bent, or damaged cutter bar guides
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Restore professional hedge trimming performance
⚠️ A damaged cutter bar guide can cause uneven cutting, vibration, or accelerated blade wear.
Verify Fitment (Recommended)
Before ordering, confirm:
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OEM part number 4237 740 6505
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Cutter bar length requirement (750 mm / 30" R)
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Your unit model matches those listed below
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Application matches your STIHL illustrated parts diagram
⚠️ Cutter bar guides are model-specific — always verify by OEM part number and cutter bar configuration.
Compatibility
This OEM cutter bar guide fits select STIHL hedge trimmers and battery hedge trimmers equipped with 750 mm / 30" R cutter bar assemblies, including:
Gas Hedge Trimmers
HS 81 R (Cutter bar HS 86)
HS 82 R (Cutter bar 750 mm / 30" R)
HS 86 R (Cutter bar HS 86)
HS 87 R (Cutter bar 750 mm / 30" R)
Battery Hedge Trimmers
HSA 150.0 R (Cutter bar 750 mm / 30" R)
(Exact fitment depends on production version — always verify using OEM parts diagram.)
Installation Notes
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Disconnect spark plug or remove battery before service
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Remove cutter bar cover and mounting fasteners
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Detach existing guide carefully
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Install new 750 mm cutter bar guide in correct alignment
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Torque fasteners to STIHL specifications
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Lubricate cutter bar before operation
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Test for smooth blade movement and proper cutting action
⚠️ Cutter bar installation should be performed carefully to ensure safe operation and correct alignment.
Maintenance Tips
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Keep cutter bar properly lubricated during operation
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Inspect guide and blades regularly for wear or damage
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Avoid cutting thick branches beyond hedge trimmer capacity
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Clean cutter bar assembly after each use
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Always use genuine STIHL OEM cutter bar components for correct fit and durability
