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 038, 32" REPLACEMENT BAR & CHAIN, 3/8" PITCH, .050", 105 DL, NEW, IN STOCK OREGON 100' ROLL OF 72LG PROFESSONAL CHISEL CHAIN NIB 18" CHAIN 66DL 3/8 FIT STIHL 031 032 034 036 041 038 039 MS310 MS311 MS390 MS391 36" PROFESSIONAL REPLACEMENT BAR & CHAIN COMBO, 3/8" PITCH, NEW Our Price: $99.95 Add Our Price: $399.95 Add Our Price: $18.95 Add Our Price: $109.95 Add OREGON 36" BAR & CHAIN FITS STIHL 066, 064, 056, 046, 044, 038, 036, 048 042 036 20" OREGON PROLITE BAR AND CHAIN COMBO Stihl 42" Replacement BAR & CHAIN COMBO 3/8" PITCH.063" NEW 32" REPLACEMENT PRO CHAIN, 3/8" Our Price: $129.95 Add Our Price: $64.95 Add Our Price: $129.95 Add Our Price: $29.95 Add Share your knowledge of this product with other customers... Be the first to write a review REPLACEMENT STARTER SPRING, REPLACES OEM #501763101. NEW $9.95 Husqvarna 254 Piston Assembly 45mm $29.95 2 STARTER FRICTION WASHER FITS STIHL 08S 041 042 AV 045 050 051 # 1106-195-9001 $8.95 24" REPLACEMENT PRO CHAIN, .058" 3/8" $26.95 HUSQVARNA, JONSERED IGNITION COIL, REPLACES PART # 573935701 $29.95 LOCTITE 242 THREADLOCKER, MEDIUM DUTY $4.99 STANDARD ENGINE MASTER REBUILD FITS KOHLER K301, M12, VALVES GASKET SET WITH ROD $149.95 2 PISTON KITS 793560 FIT BRIGGS & STRATTON V TWIN INTEK MODEL 44 CUBIC INCH $189.95 20" OREGON POWERCUT BAR CHAIN FIT STIHL 038 MS391 MS361 MS362 MS360 056 MS311 $79.95