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Trimmer Gear Box Head For Stihl FS40 FS44 FS55 FS72 FS74 FS75 FS76 4137 640 0100
$43.99
Sale price
$43.99
Regular price
Available to Order
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Trimmer Gear Box Head For Stihl FS40 FS44 FS55 FS72 FS74 FS75 FS76 4137 640 0100
Restore the performance of your outdoor power equipment with this high-quality trimmer gear box head. Designed for durability and smooth operation, this aftermarket replacement part ensures your trimmer runs efficiently during heavy-duty landscaping tasks. Whether you are a professional landscaper or a home gardener, this gear head provides a cost-effective solution to keep your machinery in top working order.
Key Features & Benefits
- Smooth Power Transfer: Engineered for consistent rotational speed and torque.
- Durable Construction: Built with high-strength materials to withstand rigorous use.
- Cost-Effective Solution: High-quality aftermarket alternative to expensive original parts.
- Easy Installation: Direct fit design allows for straightforward replacement.
Compatible Models
- Stihl FS40, FS44, FS55, FS72, FS74, FS75, FS76
- Replaces Part Number: 4137 640 0100
Product Specifications
- Part Type: Trimmer Gear Box Head
- Condition: Brand New
- Fitment Type: Aftermarket Replacement
Frequently Asked Questions
Is this an OEM part? No. This is an aftermarket replacement part sold by Northline Tools. It is not manufactured by the original equipment manufacturer unless specifically stated in the product title or description.
How do I confirm compatibility? You can confirm compatibility by matching your current part number with 4137 640 0100 or verifying that your model is listed in our compatibility guide.
Important: This is an aftermarket replacement part sold by Northline Tools. It is not made by the original equipment manufacturer unless specifically stated. Brand names, model names, and part numbers are used only to identify compatibility. Please compare your original part, photos, and fitment details before ordering.