Bosch (7547) WSR6F Super Spark Plug, (Pack of 1) Includes one (1) spark plug; Type: Resistor; Individually boxed Fits Stihl: 009, 009L, 010, 011, 011AV, 012, 017, 018, 018C, 019, 019T, 020, 020 Super, 020T, 021, 023, 023C, 023L, 024, 024 Super, 025, 025C, 026, 026 Pro, 026P, FS 75, FS 80, FS 85; more STIHL models below Also fits STIHL MS 170 Pole Pruner, MS 180C Pole Pruner, MS 191T, MS 200, MS 200T, MS 210, MS 210C, MS 230, MS 250, MS 250C, MS 260, MS 260 Pro, MS 270, MS 270C, MS 270CQS, MS 280, MS 280CQS You can return this item (for any reason) if you ask for a return within 30 days of receiving your order and have not installed your product Warranty: This part shall be free from defects in material and workmanship under normal use and service for three-months from the date of purchase