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... TOP SAW CHAIN SAW TOOL STIHL 056 SUPER 25" FOR BAR & CHAIN COMBO 3/8" 84 DL STIHL BAR NUT, REPLACES STIHL PART # 0000-955-0801 STIHL MS 310 REPLACEMENT 16" BAR & CHAIN COMBO 3/8 60dl Our Price: $19.95 Add Our Price: $64.95 Add Our Price: $2.50 Add Our Price: $35.95 Add OREGON 100' ROLL OF 72JGX PROFESSONAL CHISEL CHAIN NIB 32" REPLACEMENT PRO CHAIN, .063" 3/8" Skip Tooth STIHL REPLACEMENT AIR FILTER STIHL 038, 32" REPLACEMENT BAR & CHAIN, 3/8" PITCH, .050", 105 DL, NEW, IN STOCK Our Price: $395.00 Add Our Price: $26.95 Add Our Price: $12.95 Add Our Price: $99.95 Add Share your knowledge of this product with other customers... Be the first to write a review NEW 1" MUFFLER 275679 FITS KOHLER K301 K321 K482 K532 K582 K660 M10 M12 M14 M18 M20 $19.95 NEW 1/4" PITCH CARVING 8 TOOTH SPROCKET FITS STIHL MS200T, MS200, 020T $27.45 1 BRAND NEW CONNECTING ROD FITS KOHLER K532, K582 .STANDARD 48 067 12 $69.95 3/8"-24 BALL JOINT $11.99