Suitable for Husqvarna 340 345 346 XP 350 351 353 445 450 chainsaw. Pitch: .325 \" Teeth: 7. Replaces OEM clutch for 537110503. Package includes: 1 x clutch cover, 1 x clutch, 1 x sprocket, 1 x needle bearing. Clutch shaft seal: In some cases, a clutch shaft seal may be included to prevent oil leakage from the transmission. Easy to install: Our replacement parts' specifications are exactly the same as the original parts, making the replacement work quick and easy. Restore performance: The brand new, high-quality clutch cover will be very useful in restoring your chainsaw to top performance. Clutch replacement is a complex operation that usually requires advanced mechanical skills. It is recommended that a qualified mechanic performs this task, as incorrect clutch installation can lead to transmission problems and other vehicle malfunctions. A quality clutch kit is crucial to ensure reliable operation and optimal durability of your car's transmission. Superior quality: High-quality, durable replacement parts. Please carefully compare your original part with our photos and product details to avoid compatibility issues. For further questions, please feel free to contact us. Please pay attention to the size and model you need before purchasing. We offer 24-hour customer service; do not hesitate to contact us if you have any questions!