STIHL Muffler Stub with Screen – OEM 4140 140 6900 (Fits FS 120, FS 250, FS 450 & More)

Genuine STIHL Muffler Stub with Spark Arrestor Screen – OEM Part 4140 140 6900.
This original exhaust outlet part fits select STIHL brushcutters and trimmers. It includes an integrated screen (spark arrestor) to reduce the risk of fire and maintain proper backpressure in the exhaust system.

🔧 Compatible with the following STIHL models:
FS 120, FS 120 R, FS 200 R, FS 250, FS 400-K, FS 450, FS 450-K, FS 480

🧩 OEM Part Numbers:
• 4140 140 6900
• 4140-140-6900
• 41401406900

✅ Includes built-in spark arrestor screen
✅ Prevents debris and sparks from exiting exhaust
✅ Genuine STIHL part – ensures long-lasting performance