Description
Overview:
This pre filter is a direct replacement for Stihl air intake systems that use OEM No. 4137 124 1501. It is designed for brushcutters and related handheld machines, helping to keep the engine breathing clean by trapping larger dust and debris before they reach the main air filter. The element is a shaped foam pad that sits in the airbox, supporting smooth running and reducing wear on engine components. Suitable for Stihl models such as FR 85 and FS 85, as well as selected hedge trimmers, it supports reliable performance in grass, brush, and hedge work. Regularly maintaining or replacing the pre filter helps maintain power, reduces clogging of the main filter, and supports consistent starting and throttle response.
Key Features:
- Designed to capture coarse dirt, chaff, and dust before the main air filter, helping protect the engine
- Accurate fit for assemblies using OEM No. 4137 124 1501
- Open-cell foam construction for effective airflow with dependable pre-filtration
- Helps maintain power output and stable idling by keeping the intake system cleaner for longer
- Can be removed, inspected, and lightly cleaned to extend service intervals between filter changes
- Simple to fit in the airbox with no special tools, reducing downtime on site
- Robust pad resists deformation for a consistent seal and seating
- Suitable for a wide range of Stihl brushcutters, Kombi engines, hedge trimmers, and pole tools
Typical Applications:
Used in routine maintenance of Stihl brushcutters, hedge trimmers, and Kombi engines operating in dusty grass, hedge clippings, bracken, or site debris. Ideal for landscaping, grounds maintenance, estates, local authority work, and general garden care where frequent cutting or trimming creates airborne debris around the intake.
Also known as:
Air pre-filter, foam pre-filter, pre-filter element, intake pre-filter, pre-clean filter pad, airbox pre-screen, brushcutter pre-filter for 4137 series.
Fits Models:
FC 73, FC 75, FC 85, FH 75, FR 85, FR 85 T, FS 75, FS 80, FS 85, FS 85 R, HL 75, HL 75 K, HT 70, HT 70 K, HT 75, HT 75 Z, KA 85 R, KM 85, KM 85 R, KR 85, KW 85, PC 70, PC 75, SP 80, SP 81, SP 85
Alternate Part Numbers:
4137 124 1501, 41371241501
Product Specifications
| L&S Part No. | 4137 124 1501 |
|---|---|
| Manufacturer | Stihl |
| OEM No. | 41371241501 |
| Unit of Sale | 1 |
| Applications | FC 73, FC 75, FC 85, FC73, FC75, FC85, FH75, FR85, FR85. FR85T, FR85T, FS75, FS80, FS85, HL75, HL75K, HT70, HT70K, HT75, KA85R, KA85R Attachment, KM85, KM85R, KR85, KR85 Attachment, KW 85, KW85, HT 75, HT 75 Z, HT 70, HT 70 K, KM 85, KM 85 R, KA 85 R, KR 85, FS 75, FS 80, FS 85, FS 85 R, FR 85, FR 85 T, HL 75, HL 75 K, FH 75, PC 70, PC 75, SP 80, SP 81, SP 85, HT75Z, FS85R, PC70, PC75, SP80, SP81, SP85, FR85FR85T, KA85RATTACHMENT, KR85ATTACHMENT |
| Machine Type | Brushcutters, Hedgetrimmers |
| Fits Brands | Stihl |
| Fits Models | FS75, FS80, FS85 | FR85T, FR85 | HT70, HT70K, HT75 | KM85, KM85R | KA85R Attachment | KR85 Attachment | KW 85 | FC 73 | FC 75 | FC 85 | HL75, HL75K | FH75 | SP 85 |

