Genuine STIHL Impulse Hose for HL100, FS Series & More – 4180 141 8601

The Genuine STIHL Impulse Hose 4180 141 8601 is a critical OEM component designed to maintain correct pressure and vacuum signal transfer within compatible STIHL 2-stroke machines. Commonly used on models such as the STIHL HL100 and HL100K, this impulse hose ensures consistent fuel delivery by transmitting crankcase pulses to the carburettor or fuel system.

Manufactured from fuel- and oil-resistant rubber to original STIHL specifications, this replacement impulse line restores proper sealing and routing when the original hose becomes brittle, cracked or perished. It is an essential service part for maintaining reliable starting, stable idle and smooth throttle response across a wide range of STIHL brushcutters, hedge trimmers, Kombi systems and pole pruners.

Key Features

• Genuine STIHL part for precise fit and dependable performance
• OEM part number 4180 141 8601
• Durable fuel- and oil-resistant rubber construction
• Transfers vacuum and pressure pulses within the engine system
• Helps maintain consistent fuel delivery and engine performance
• Supports reliable starting, smooth idle and clean acceleration
• Formed to match original routing for correct installation
• Direct replacement using existing connectors and fittings

Designed for Reliable Engine Performance

This STIHL impulse hose is designed to restore the correct transfer of pressure pulses between engine components, ensuring the carburettor receives accurate signals for fuel metering. A properly functioning impulse line is essential for smooth running and dependable performance in small engine applications.

Durable OEM Construction for Long Service Life

Built to withstand exposure to fuel, oil and heat, this genuine STIHL hose maintains flexibility and sealing performance over time. Its high-quality rubber construction ensures reliable operation in demanding working environments, making it suitable for both professional and domestic machine maintenance.

Compatibility and Application

The STIHL Impulse Hose 4180 141 8601 is used across a wide range of STIHL 2-stroke machines including brushcutters, hedge trimmers, Kombi engines, pole pruners and earth augers. It is typically replaced during servicing when the original hose shows signs of cracking, stiffness, leakage or reduced performance.

Technical Specifications

Compatible Models

Fits STIHL models including:

BT 130, BT 130 Z, FC 90, FC 100, FC 110, FC 95, FR 130 T, FS 83, FS 83 T, FS 87, FS 90, FS 90 R, FS 100, FS 100 R, FS 100 RX, FS 110, FS 110 R, FS 110 RX, FS 110 X, FS 120, FS 130, FS 130 R, FS 200, FS 250, FS 310, FT 100, HL 90, HL 90 K, HL 95, HL 95 K, HL 100, HL 100 K, HT 73, HT 100, HT 101, HT 130, HT 131, KM 90, KM 90 R, KM 100, KM 100 R, KM 110 R, KM 130, KM 130 R, SP 90, SP 90 T.

Ideal For

• Replacing cracked or perished impulse hoses
• Routine servicing and small engine maintenance
• Restoring reliable starting and stable idle
• Maintaining correct fuel system operation
• Professional workshop and domestic equipment upkeep

Best For

The STIHL Impulse Hose 4180 141 8601 is best for users maintaining compatible STIHL 2-stroke machines who need a genuine replacement to restore correct pressure signal transfer and reliable engine performance.

Why Choose the STIHL Impulse Hose 4180 141 8601?

Choosing a genuine STIHL replacement part ensures the correct fit, flexibility and durability required for small engine performance. This impulse hose is a practical OEM solution for maintaining efficient fuel delivery and dependable machine operation.

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.