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Description
4180-120-0615 FS91R Trimmer Carburetor Kit - Fits STIHL FS91R FS91 FC91 FS111 Trimmer4180 120 0615 FS91R Trimmer Carburetor Kit Key Features Complete replacement kit includes carburetor, air filter, fuel filter, fuel lines, grommet, primer bulb, and spark plug. Designed as a direct fit replacement for the original equipment manufacturer part. Pre calibrated from the factory; minor adjustments may be necessary for optimal performance based on altitude and fuel mixture. Replaces Cross Reference Part Numbers 4180 120 0615 4180 120 0618
4180-120-0615 FS91R Trimmer Carburetor Kit
Key Features
- Complete replacement kit includes carburetor, air filter, fuel filter, fuel lines, grommet, primer bulb, and spark plug.
- Designed as a direct-fit replacement for the original equipment manufacturer part.
- Pre-calibrated from the factory; minor adjustments may be necessary for optimal performance based on altitude and fuel mixture.
Replaces / Cross-Reference Part Numbers
- 4180-120-0615
- 4180-120-0618
- 4180-120-0611
- C1Q-S174
- 41801200615
Compatibility & Fitment
- STIHL Trimmers / Brushcutters: FS89, FS89R, FS91, FS91R, FS111, FS111R, FS111RX
- STIHL Edgers: FC91, FC96, FC111
- STIHL Kombi Engines: KM91, KM91R, KM111, KM111R
- STIHL Pole Pruners: HT102, HT103
When to Replace
- Engine fails to start or experiences difficult starting.
- Engine stalls frequently, idles roughly, or will not hold an idle.
- Noticeable loss of power or poor acceleration during operation.
- Fuel leaks from the carburetor body.
- Excessive black smoke emitted from the exhaust.
Installation Tips
- Verify compatibility with your specific model number before starting installation.
- Drain all fuel from the tank before servicing the fuel system.
- Document the routing of fuel lines and throttle linkage with photos before disassembly.
- It is recommended to replace the fuel filter and fuel lines when installing a new carburetor.
- After installation, check for fuel leaks and start the engine. Adjust idle and fuel mixture screws as needed for smooth operation.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
A Durable and Convenient Protection Solution
Color: Green Orange
One of the most impressive attributes of these cases is their lightweight yet durable construction. The material feels robust and dependable, shielding my device from scratches, minor impacts, and everyday wear and tear. Despite this durability, the cases remain slim and non-bulky, preserving the device's original profile—a feature I deeply appreciate for maintaining portability and elegance.
Another commendable aspect is the precise fit of the cases. Each case snugly wraps around the device, ensuring a secure grip and seamless alignment with buttons, ports, and camera cutouts. This level of precision adds to the ease of use and demonstrates a high attention to detail in the manufacturing process.
Additionally, having two cases in one pack offers excellent value. It allows you to switch between them as needed or have a backup readily available. This small yet thoughtful feature adds a layer of convenience that sets this product apart from other single-case offerings.
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Reviewed in the United States on March 9, 2025
★★★★★ 5
Fits great
Color: Green
After my grandson keep bee lining for the remote, dropped it, which made a teeny chip in it-I decided to try a cover! This is really nice. It fits great. It has a nice grippy feel to it and now it's protected. We bought the lime green one, so now we can find it a lot easier as well as having it looking pretty sleek. It a great cover.
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Reviewed in the United States on October 19, 2025
★★★★★ 5
Much better fitting
Color: White
Had to buy 2 of these cases because the first one was so well done. I bought another brand and it was such a loose fit. These are awesome!
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Reviewed in the United States on May 17, 2026
★★★★★ 5
As advertised
Color: Green Orange
Did exactly what they needed. Made the remote slightly larger so it is easier to use and less slippery.
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Reviewed in the United States on May 31, 2026
★★★★★ 4
Pretty good...
Color: Red
Red color is kind of an orange-red. Hm... Came with some kind of dust on it. Once cleaned off it's not as slippery, yet still slips on just fine. Protects the remote - and your hands from the remote's hard edges. The raised bumps on the back make it easier to pickup - without digging your fingernails into cushions or carpets as you "scoop."
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Reviewed in the United States on January 31, 2026