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... Stihl 42" Replacement BAR & CHAIN COMBO 3/8" PITCH.063" NEW 28" REPLACEMENT PRO CHAIN, .058" 3/8" STIHL 036 REPLACEMENT BAR & CHAIN COMBO, 3/8", .063"NEW 20" PROFESSONAL REPLACEMENT CHAIN .058" Our Price: $129.95 Add Our Price: $26.95 Add Our Price: $44.95 Add Our Price: $26.95 Add 24" REPLACEMENT PRO CHAIN, .058" 3/8" 24"/25" REPLACEMENT PRO CHAIN, 3/8", .063" GAUGE 16" PROFESSONAL CHAIN, .050" GAUGE, 60DL 18" REPLACEMENT PRO CHAIN, .058" 3/8" Our Price: $26.95 Add Our Price: $22.95 Add Our Price: $19.95 Add Our Price: $23.95 Add Share your knowledge of this product with other customers... Be the first to write a review STIHL 026, 026 PRO, MS260 024 SUPER CYLINDER & PISTON KIT 44.7MM, REPLACES STIHL PART # 1121-120-1217 $99.95 STIHL MS361 CRANKSHAFT SEALS $9.95 POULAN 245, 306A CYLINDER HEAD GASKET PART # 19001, 530019001 USA SHIP $8.95 NEW PISTON KIT STIHL 044, MS440 12MM WRIST PIN, 50MM KIT PART # 1128-030-2015 $24.95 GENUINE TILLOTSNO STIHL 028 028 WOOD BOSS 028WB 028 SUPER CARBURETOR 11181200600 $69.95 HUSQVARNA STARTER HANDLE REPLACES PART # 503543901 $3.95 STIHL 070 CYLINDER & PISTON KIT 58MM, REPLACES STIHL PART # 1106-020-1201 $89.95 Husqvarna 281 Piston Assembly 52mm $29.95 NEW SPROCKET & OILER GEAR FITS STIHL 020 AV 6 TOOTH PICCO CHAIN 3/8" LOW PROFILE $43.95