Lil' Red Barn Toggle Search Account Checkout Cart Home Parts & Tools Electrical Filters Fuel System Parts Tractor Parts 4-Stroke Engines Chainsaws Hedge Trimmers Leaf Blowers Safety Apparel Tools and Testers Service Manuals Briggs and Stratton Canadian Dolmar Echo Homelite Husqvarna Jonsered Kohler Makita McCulloch Onan Partner Pioneer Poulan Information Chain Reference Chart Chainsaw Chain Info - Maintenance & Safety Manual Testing Information and Diagrams for 2-Cycle Engines Watch How To Videos Contact Us Account Search site Submit search Nav Menu 2 Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Parts & Tools > Chainsaws > Stihl > Stihl 045 > Stihl 045 Replacement Piston Assembly 49MM Our Price: $29.95 Product Code: PKSH045-49MM Qty: Description High quality replacement piston for Stihl 045, 045AV. 49mm diameter replaces part number 1115-030-20 Related Products... BAR WRENCH 13MM-19MM 16" OREGON PROLITE BAR & CHAIN FIT STIHL 031 034 036 MS310 MS390 039 MS311 MS391 16" BAR & CHAIN 3/8" PITCH, 60DL FITS STIHL 031 032 034 036 038 041 028 042 048 STIHL 041 REPLACEMENT OUTER BAR PLATE, REPLACES PART # 1113-664-1100 Our Price: $6.99 Our Price: $59.95 Our Price: $39.95 Our Price: $9.95 NEW AV BUFFER RUBBER MOUNT FITS STIHL 041, 042, 045 CHAINSAWS, # 1110 790 9600 28" OREGON PROFESSIONAL CHAIN, 3/8", 91 DL NEW 1111-350-0501 FUEL GAS CAP FITS STIHL 041 045 050 051 056 075 076 TS510 TS760 Stihl 42" Replacement BAR & CHAIN COMBO 3/8" PITCH.063" NEW Our Price: $12.95 Our Price: $28.95 Our Price: $13.95 Our Price: $129.95 Share your knowledge of this product with other customers... Be the first to write a review HUSQVARNA PISTON KIT, 44.3MM REPLACES PART #544143102 OR 525470102 $29.95 A BRAND NEW JONSERED 930, 920, 830, 820 CYLINDER GASKET REPLACES PART # 503491601, SHIPS FROM USA NOTE: THIS CYLINDER GASKET IS NOT MADE IN CHINA OR TAIWAN VERY HIGH QUALITY MADE REPLACEMENT GASKET $8.95 POP UP PISTON KIT FITS STIHL 066, MS660, 56MM KIT, EXTRA POWER HIGH COMPRESSION $29.95