STIHL Gasket for HL 91, HL 92, HL 94 & HLA 135 Hedge Trimmers - 4243 649 0300

The STIHL Gasket for HL 91, HL 92, HL 94 and HLA 135 hedge trimmers is a genuine replacement sealing gasket designed to restore and maintain a reliable seal within compatible STIHL long-reach and handheld hedge trimmers. Manufactured from durable compressed fibre material with resistance to fuel, oil, heat and vibration, this OEM gasket helps prevent air, fuel and oil leaks by sealing mating surfaces accurately.

Built to STIHL original equipment standards, this replacement gasket supports smooth running, consistent performance and dependable machine operation after servicing or repair. It is ideal for professional arborists, landscapers, grounds maintenance teams and domestic users replacing worn, damaged or disturbed gaskets when housings, covers or related components have been removed and refitted.

Key Features

• Genuine STIHL replacement gasket for assured compatibility and performance
• Manufacturer Part Number: 4243 649 0300
• Compressed fibre construction for reliable sealing performance
• Resists fuel, oil, heat and vibration during regular machine use
• Precision cut with accurate bolt holes for correct alignment
• Helps prevent air, fuel and oil leaks around mating surfaces
• Supports smooth running, idle stability and efficient performance
• Suitable for routine servicing, repair and preventative maintenance
• Ideal for selected STIHL hedge trimmers and KombiSystem hedge trimmer attachments
• Simple replacement using standard hand tools during machine servicing

Typical Applications

This STIHL gasket is used during maintenance or repair when resealing housings, covers or mating surfaces on compatible STIHL hedge trimmers. It is particularly useful when replacing a gasket after inspection, cleaning, servicing or component removal, helping prevent leaks, maintain correct sealing and protect internal parts from debris or moisture ingress.

Technical Specification

Fits Models

• STIHL FH-KM 145
• STIHL HL 56 K
• STIHL HL 91 K
• STIHL HL 91 KC
• STIHL HL 92 C
• STIHL HL 92 KC
• STIHL HL 94
• STIHL HL 94 C
• STIHL HL 94 K
• STIHL HL 94 KC
• STIHL HL-KM 0
• STIHL HL-KM 0-145
• STIHL HLA 135
• STIHL HLA 135 K

Also Known As

• STIHL sealing gasket
• STIHL replacement gasket
• STIHL hedge trimmer gasket
• STIHL hedge trimmer seal
• STIHL paper gasket
• STIHL fibre gasket
• STIHL gearbox gasket
• STIHL cover gasket
• STIHL OEM gasket
• STIHL 4243 649 0300 gasket

Why Choose Genuine STIHL Parts?

Genuine STIHL parts are manufactured to match the original specification for fit, material quality and performance. Choosing an original STIHL gasket helps ensure accurate sealing, correct alignment and reliable operation after servicing, reducing the risk of leaks, poor fitment or premature component wear.

Explore More

• STIHL Spare Parts
• STIHL Parts Finder
• Hedge Trimmer Accessories
• Sharpening & Maintenance Tools

FAQs

Is this a genuine STIHL gasket?

Yes, this is a genuine STIHL replacement gasket manufactured to original equipment standards.

What is the part number for this STIHL gasket?

The manufacturer part number is 4243 649 0300. It may also be listed as 4243-649-0300 or 42436490300.

Which STIHL machines does this gasket fit?

This gasket fits selected STIHL hedge trimmers and long-reach hedge trimmer attachments, including HL 91 KC, HL 92 C, HL 94, FH-KM 145 and HLA 135 models.

What does this gasket do?

This gasket seals mating surfaces to help prevent air, fuel and oil leaks, supporting smooth running, reliable starts and consistent machine performance.

When should a STIHL gasket be replaced?

A gasket should usually be replaced if it is damaged, compressed, leaking or disturbed during servicing, inspection or component removal.

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