Lil' Red Barn Toggle Search Account Checkout Cart Home Parts & Tools 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 > Jonsered > Jonsered 490 > JONSERED 490 PISTON KIT, REPLACES PART # 503100201 Our Price: $29.95 Product Code: PKJO490-44MM Qty: Description A HIGH QUALITY REPLACEMENT PISTON KIT FOR JONSERED 490, PISTON DIAMETER IS 44MM, REPLACES PART # 503100201 Related Products... 20" BAR & CHAIN COMBO 3/8", .058" 72DL 16" BAR & CHAIN COMBO FOR CHAINSAWS, 3/8", .058, 60DL, NEW TOP SAW CHAIN SAW TOOL 16" BAR & CHAIN COMBO FOR CHAINSAWS, 3/8", .050, 60DL, NEW Our Price: $39.95 Add Our Price: $34.95 Add Our Price: $19.95 Add Our Price: $34.95 Add 18" CHAINSAW PROFESSIONAL CHAIN, 72LG-68 18" OREGON PROLITE BAR AND CHAIN COMBO CHAINSAW SPROCKET NEEDLE BEARING, NEW REPLACEMENT CLUTCH REPLACES # 501455403 Our Price: $20.95 Add Our Price: $62.95 Add Our Price: $6.99 Add Our Price: $24.95 Add Average Customer Review: 5 of 5 Total Reviews: 1 Write a review. 0 of 0 people found the following review helpful: Interchangeable parts May 12, 2021 Reviewer: Chris Larson from Decorah, IA United States So happy that this J’red 490 piston kit works well for the Partner 5k+. Quality parts, plug and play, runs great! Was this review helpful to you?