The set of three original Kärcher LTR-18 line heads is designed for quick and easy replacement of worn cutting heads on Kärcher battery-powered line mowers. The heads are equipped with a coiled cutting line, which ensures precise, quiet and efficient mowing even in hard-to-reach places along lawn edges, flower beds and fences.

Automatic line feed ensures the optimal length during work, and changing the head is quick and requires no tools. The set of three heads allows for longer continuous work without frequent replacement.

Advantages

• Original Kärcher replacement kit.
• The set includes 3 heads with thread.
• Twisted cutting line for precise and quiet mowing.
• Automatic thread feed.
• Tool-free replacement.
• Suitable for mowing lawn edges and hard-to-reach places.
• Easy and quick installation.

Specifications

• Brand: Kärcher
• Model: LTR-18
• Product type: replacement filament head
• Quantity in set: 3 pieces
• Thread thickness: 1.6 mm
• Line length per head: 3.6 m
• Weight: 0.033 kg
• Dimensions: 55 × 55 × 24 mm

Scope of delivery

• 3 × Kärcher LTR-18 cutting line head

The original Kärcher head set enables quick replacement and reliable operation of the line mower, ensuring precise mowing throughout the entire life of the line.

It is important to know

The Kärcher LTR-18 line head set is a sensible purchase for users who already use or plan to use Kärcher cordless line trimmers. It is important to consider whether the set really fits your machine and whether replacing such parts is in line with your tool maintenance. Buyers should particularly check the planned use, mowing frequency and the possibility of combining with other accessories.

• The kit includes spare heads with thread, which allows for uninterrupted work without the need for lengthy searches for individual parts during the season.
• A 1.6 mm diameter line provides the best results for light to medium-duty mowing - it may wear out faster on thicker and more overgrown grass.
• Only suitable for Kärcher LTR-18 devices; not universal for other brands or models.
• The frequency of head replacement depends on the density and type of grass - intensive use means more need for accessories.

Source of editorial recommendations: general guidelines for product selection.

In practice

🌿 Garden use

🟢 A suitable solution for quickly replacing worn thread during regular maintenance of an ornamental garden or lawn.

👨‍👩‍👧‍👦 Family home environment

🟡 Practical for households where several people use the flosser, as changing supplies is simplified, but only if you use the Kärcher LTR-18.

🚗 Off-road / Weekend use

🟢 A good choice for those who often cut on weekends or in multiple locations, as additional cuts reduce the risk of interruptions.

Answers to frequently asked questions

Is the LTR-18 line head set suitable for all Kärcher line cleaners?

No, the kit is compatible exclusively with Kärcher LTR-18 models; please check compatibility before purchasing.

What should I do if the floss wears out too quickly?

When mowing thicker grass or undergrowth, the line may wear out more quickly - it is recommended to adapt the mowing to the type of grass surface and, if necessary, change the line head more often.

Where can I store extra heads so they stay useful longer?

Store additional heads in a dry and cool place, out of direct sunlight and away from humid environments.

Is changing the filament heads difficult?

The replacement is designed to be easy, without any special tools, but read your device's instructions for the correct procedure.

Can I use a different thickness of thread?

For optimal performance, we recommend using the original thickness (1.6 mm), as different threads may cause poor performance or failure.

Description updated: July 2026

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