Trimmer Gear Box OEM 4137 640 0100 | Fits FS44 FS80 FS110R
Trimmer Gear Box – Direct Replacement for FS Series Models
Keep your trimmer running at full power with this heavy-duty metal gear box, a direct OEM replacement (Part No. 4137 640 0100) designed to fit a wide range of FS and FR series string trimmers and brushcutters. Built from durable metal for long-lasting performance, this gear box is engineered to restore smooth, reliable cutting action to your machine. Made in Mainland China.
Compatible Models
This gear box is compatible with the following models:
- FR Series: FR85, FR85 T, FR130 T, FR220, FR350, FR450, FR460, FR480
- FS Series: FS44, FS44 R, FS65-4, FS74, FS80, FS80 R, FS83, FS83 R, FS83 T, FS85, FS85 R, FS85 T, FS87, FS87 R, FS90, FS90 R, FS100, FS100R, FS110, FS110R, FS110 RX, FS110 X, FS120, FS120 R, FS130, FS130 R, FS200, FS200 R, FS240, FS240 R, FS250, FS250 R, FS25-4, FS260 R, FS-KM
- FT Series: FT 100
Always verify your OEM part number (4137 640 0100) before purchasing to ensure compatibility with your specific trimmer model.
Key Features
- Direct OEM Replacement: Replaces OEM Part No. 4137 640 0100 for a precise, hassle-free fit
- Durable Metal Construction: Built to withstand demanding outdoor use and repeated trimming sessions
- Wide Compatibility: Fits a large range of FS and FR series string trimmers and brushcutters
- Restores Performance: Brings your trimmer back to factory-spec cutting efficiency
- Easy Installation: Designed as a drop-in replacement for straightforward servicing
Specifications
- OEM Part Number: 4137 640 0100
- Material: Metal
- Country of Origin: Made in Mainland China
Package Includes
- 1 × Gear Box
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Frequently Asked Questions
Q: What OEM part number does this trimmer gear box replace?
A: This gear box is a direct replacement for OEM Part Number 4137 640 0100. Always cross-reference this number with your trimmer's parts manual before ordering to confirm compatibility.
Q: Which trimmer models is this gear box compatible with?
A: This gear box fits a wide range of FS and FR series trimmers, including popular models such as the FS44, FS80, FS85, FS90, FS100, FS110R, FS120, FS130, FS200, FS250, FR85, FR220, FR350, FR450, FR480, and FT 100, among others. Please check the full compatibility list above and verify your OEM part number before purchasing.
Q: Is this gear box easy to install?
A: Yes. This gear box is designed as a drop-in replacement for the original part, making installation straightforward for anyone with basic mechanical knowledge. Refer to your trimmer's service manual for step-by-step guidance specific to your model.
Q: What material is the gear box made from?
A: The gear box is constructed from durable metal, ensuring it can handle the demands of regular trimming and brushcutting work in outdoor environments.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.