STIHL Trigger Interlock

The STIHL Trigger Interlock 1141 182 0800 is a genuine STIHL safety component designed to prevent accidental throttle activation on compatible STIHL petrol chainsaws. As part of the handle-mounted safety system, this trigger interlock ensures the throttle cannot be engaged unintentionally, helping support safer starts, controlled handling and dependable operation during cutting work.

Manufactured from durable moulded polymer, this genuine STIHL throttle lockout is designed to withstand vibration, outdoor temperatures and regular exposure to fuel and oil. It is an important replacement part when the original safety lock becomes worn, cracked, damaged or unreliable, helping restore the intended safety function of your chainsaw.

Key Features

• Genuine STIHL trigger interlock / safety lock
• Original STIHL OEM part number: 1141 182 0800
• Designed to prevent accidental throttle engagement
• Supports safer starts and controlled machine handling
• Made from durable fuel- and oil-resistant polymer
• Accurate moulding for smooth and positive lever action
• Ideal replacement for worn, sticking or damaged interlocks
• Suitable for routine servicing and safety repairs
• Designed for regular professional and domestic use

Designed for Safe Throttle Lockout Function

The STIHL Trigger Interlock is designed to work as part of the chainsaw’s built-in safety system by preventing throttle input until the lockout is intentionally released. This helps reduce the risk of unintended acceleration during handling, starting and normal use, making it an important part of maintaining safe chainsaw operation.

Durable OEM Construction for Everyday Chainsaw Use

Built from robust moulded polymer, this genuine STIHL safety lock is designed to cope with the vibration, environmental exposure and repeated handling associated with petrol chainsaw use. It is suitable for both professional users and domestic owners who want to maintain the original safety performance of their machine.

Compatibility and Application

This STIHL trigger interlock is suitable for a range of compatible STIHL chainsaws and is commonly replaced during routine servicing or repair when the original interlock is damaged, sticking or no longer functioning correctly. Also known as a safety lock, trigger lock, throttle lockout or lockout lever, it is a key replacement part for maintaining correct handle safety function.

Technical Specifications

Compatible Models

Fits selected STIHL chainsaw models including:

MS 261, MS 261 C, MS 271, MS 271 C, MS 291, MS 291 C, MS 500i, MS 651, MS 661, MS 661 C.

Ideal For

• Replacing worn or damaged throttle lockout components
• Restoring correct chainsaw safety function
• Routine workshop servicing and safety checks
• Professional forestry and arborist chainsaw maintenance
• Domestic chainsaw upkeep and repair

Best For

The STIHL Trigger Interlock 1141 182 0800 is best for users maintaining compatible STIHL petrol chainsaws who need to restore reliable and correct throttle safety lockout operation.

Why Choose STIHL Trigger Interlock 1141 182 0800?

Using a genuine STIHL trigger interlock helps ensure the correct fit, safety performance and reliable control function expected from original equipment. It is an essential replacement part for keeping your chainsaw operating safely and as intended.

UK Delivery

Fast, reliable delivery from our UK warehouse.

• FREE UK Standard Delivery
  applies to eligible UK orders over £75 ex VAT.
  Estimated delivery: 2–4 working days
  

• UK Standard Delivery from £3.60 + VAT
  Estimated delivery: 2–4 working days

• Next Working Day Delivery – £6.00 + VAT
  
  Order before 3:00pm (Monday–Friday) for next working day delivery
  

All UK orders are dispatched Monday–Friday and sent via a tracked courier service.