SaferCCTV(TM 47mm Big Bore Cylinder/Piston Kit fit for Stihl Chainsaw Model MS361 MS 361 Replacement Part# 1135 020 1202 1. Replacement Part# 1135 020 1202 2. Fits for Stihl Chainsaw Model MS361 3. 100% brand new and high quality aftermarket part 4. Please check the pictures for compatibility before buy it 5. Professional after-sales service - We do offer a 60-days money-back guarantee on all orders to allow you to test the product