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 MS 391 > STIHL MS391 REPLACEMENT PISTON 49MM, REPLACES PART # 1140 030 2003 Our Price: $29.95 Product Code: SHPKMS391-49MM Qty: Description Suitable, high quality replacement STIHL MS391 REPLACEMENT PISTON 49MM, REPLACES PART # 1140 030 2003 Related Products... 28" OREGON PROFESSIONAL CHAIN, 3/8", 91 DL NEW STIHL 036, 28" BAR & CHAIN COMBO, 3/8" 91 DL REPL. STIHL MS 310 REPLACEMENT 16" BAR & CHAIN COMBO 3/8 60dl 20" REPLACEMENT BAR AND CHAIN COMBO, 3/8" .050" 72DL, FITS STIHL 031, 032, 034, 036, 046 066 044, MS461 Our Price: $28.95 Add Our Price: $89.95 Add Our Price: $35.95 Add Our Price: $39.95 Add 18" REPLACEMENT PRO CHAIN, .058" 3/8" OREGON 100' ROLL OF 72DP PROFESSONAL SAW CHAIN NIB Stihl 42" Replacement BAR & CHAIN COMBO 3/8" PITCH.063" NEW BAR WRENCH 13MM-19MM Our Price: $23.95 Add Our Price: $399.95 Add Our Price: $129.95 Add Our Price: $6.99 Add Share your knowledge of this product with other customers... Be the first to write a review STIHL 028 REPLACEMENT SPROCKET .325 PITCH 7 TOOTH REPLACES STIHL PART # 1118-640-2001 $19.95 PISTON RINGS FIT STIHL 044, MS440 ENGINES LIL RED BARN PISTON KIT $12.95 4 VALVE TAPPETS FIT KOHLER M18, M20, MV18, MV20, MV16 ENGINES, NEW, SHIPS USA $67.95 STIHL REPLACEMENT CLUTCH PART # 1122 160 2005,NEW $29.95