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... 18" CHAINSAW PROFESSIONAL CHAIN, 73LG-68 STIHL MS 310 REPLACEMENT 18" BAR & CHAIN COMBO 3/8 66dl STIHL 24" REPLACEMENT PROFESSIONAL CHAINSAW BAR AND CHAIN, NEW 32" REPLACEMENT PRO CHAIN, 3/8" Our Price: $26.95 Add Our Price: $37.95 Add Our Price: $64.95 Add Our Price: $29.95 Add Stihl 42" Replacement BAR & CHAIN COMBO 3/8" PITCH.063" NEW 16" REPLACEMENT PRO CHAIN, .058" 3/8" 16" CHAIN 60DL 3/8 FIT STIHL 031 032 034 036 041 038 039 MS310 MS311 MS390 MS391 BAR WRENCH 13MM-19MM Our Price: $129.95 Add Our Price: $26.95 Add Our Price: $17.95 Add Our Price: $6.99 Add Share your knowledge of this product with other customers... Be the first to write a review STARTER COMPLETE REPLACES 503628101,NEW $29.95 HUSQVARNA STARTER HANDLE REPLACES PART # 503543901 $3.95 NEW PISTON KIT FITS STIHL 024 CHAINSAWS, 42MM KIT, REPLACES PART # 1121-030-2005 $29.95 CYLINDER JUG BASE GASKET FITS STIHL 028 026 031 030 030 024 MS260 1118-029-2306 $7.95 HUSQVARNA CLUTCH REMOVAL TOOL AND PISTON STOP $27.95 STIHL MS 310 REPLACEMENT 16" BAR & CHAIN COMBO 3/8 60dl $35.95 CLUTCH REPLACES STIHL PART # 1123-160-2050 $29.95 POULAN SIDE COVER AND CHAIN BRAKE ASSEMBLY, REPLACES PART # 545139906 $24.95 CRANKSHAFT OIL SEALS FIT STIHL 041, 041AV, 041FB, CLUTCH & FLYWHEEL SIDE, NEW $19.95