Stihl Parts +3 CHAIN SAW SERVICE KIT. MS-171, MS-181, AND MS-211 1139 007 1800 $20.99 In stock Quantity: 1 Add to Bag Product Details CHAIN SAW SERVICE KIT FOR STIHL MS-171, MS-181, AND MS-211 STIHL SAWS. IN THE KIT IT HAS A AIR FILTER ,FUEL FILTER AND SPARK PLUG. Save this product for later Favorite