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... 20" CHAIN 72DL 3/8" FIT HUSQVARNA 357XP 365 372XP 455 460 465 562XP 572XP 565 55 16" PROFESSONAL CHAIN, .050" GAUGE, 60DL 32" REPLACEMENT PRO CHAIN, 3/8" OREGON 100' ROLL OF 72DP PROFESSONAL SAW CHAIN NIB Our Price: $19.95 Add Our Price: $19.95 Add Our Price: $31.95 Add Our Price: $399.95 Add 20" REPLACEMENT PRO CHAIN, 3/8" BAR WRENCH 13MM-19MM Stihl 42" Replacement BAR & CHAIN COMBO 3/8" PITCH.063" NEW 18" CHAINSAW PROFESSIONAL CHAIN, 73LG-68 Our Price: $22.95 Add Our Price: $6.99 Add Our Price: $129.95 Add Our Price: $26.95 Add Share your knowledge of this product with other customers... Be the first to write a review STIHL REPLACEMENT IGNITION COIL REPLACES 1130-400-1302 $19.95 14" CHAIN 1/4" PITCH, .050" GAUGE FITS STIHL SAWS 020AV 009 010 011 012 015 $17.95 122-0502-122-0347 ONAN OIL FILTER GROMMET SEAL FITS CCK CCKA CCKB BF BG43 BG48 P216 P218 $13.95 Mouse over image to zoom STIHL-MS200-020T-ENGINE-ASSEMBLY-40MM-REPLACEMENT-COMES-ASSEMBLE-NEW STIHL-MS200-020T-ENGINE-ASSEMBLY-40MM-REPLACEMENT-COMES-ASSEMBLE-NEW STIHL-MS200-020T-ENGINE-ASSEMBLY-40MM-REPLACEMENT-COMES-ASSEMBLE READY FOR INSTALLATION $179.95 STANDARD REBUILD KIT WITH ROD & VALVES FIT MOST BRIGGS ENGINES 10, 11HP VERTICAL $169.95