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" PROFESSONAL REPLACEMENT CHAIN .058" Stihl 42" Replacement BAR & CHAIN COMBO 3/8" PITCH.063" NEW 20" OREGON PROLITE BAR AND CHAIN COMBO 16" PROFESSONAL CHAIN, .050" GAUGE, 60DL Our Price: $26.95 Add Our Price: $129.95 Add Our Price: $64.95 Add Our Price: $19.95 Add STIHL MS 310 REPLACEMENT 16" BAR & CHAIN COMBO 3/8 60dl 16" CHAIN 60DL 3/8 FIT STIHL 031 032 034 036 041 038 039 MS310 MS311 MS390 MS391 32" REPLACEMENT PRO CHAIN, 3/8" 24"/25" REPLACEMENT PRO CHAIN, 3/8", .063" GAUGE Our Price: $35.95 Add Our Price: $17.95 Add Our Price: $31.95 Add Our Price: $22.95 Add Share your knowledge of this product with other customers... Be the first to write a review PIONEER 36" BAR & CHAIN .404" PITCH 108 DRIVE LINK FITS P62 P61 P60 P52 P51 P50 $179.95 STIHL CLUTCH, REPLACES STIHL PART # 1111-160-2003 $19.95 2 STARTER FRICTION WASHER FITS STIHL 08S 041 042 AV 045 050 051 # 1106-195-9001 $8.95 OREGON 100' ROLL OF 72JGX PROFESSONAL CHISEL CHAIN NIB $395.00 20" OREGON PROLITE BAR AND CHAIN COMBO $64.95