Jonsered Piston Kits  
Find Jonsered piston kits by OEM part number in the piston kit parts list below.  
501 65 94-03 (50mm) for 670, 670 Champ, 670 Super  

502 62 50-02 (41mm) for 2240  

503100201 (44mm) for 490  

503 10 44 01 (42mm) for 450, 455  

503163801 (45mm) for 535  

503 16 87-01 (45mm) for 590  

503 53 90-02 (48mm) for 625, 630  

503 62 56-01 (44mm) for 2050  

503 44 10-01 | 503 44 10-02 (42mm) for 2045  

503 48 90-01 (40mm) for 2041  

503 69 13-03 (48mm) for 2065, 2165  

503 62 66-72 | 503 69 12-71 | 503 93 93 72 (50mm) for 2063, 2163, 2065, 2071, 2165, 2171  

503 89 96-03 (44mm) for 2054  

503 90 73-71 (42mm) for 2145  

504 14 12-01 (44mm) for 49SP, 51, 52  

504 41 00-09 (44mm) for 510, 520SP, 525  

506 15 56-02 (56mm) for 2094, 2095  

530 06 99-44 (38mm) for 2036  

537 15 72-02 (47mm) for 2159  

537 16 97-71 (54mm) for 2186  

537 22 36-04 (45mm) for 2152  

537 39 97-02 (40mm) for 2141  

537 42 02-02 (55mm) for 2188  

544 08 84-03 (42mm) for 2245  

545 08 18-94 (39mm) for 2238  

577 04 70-02 (43mm) for 2252, 2253  
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