Part: piston and cylinder kit - includes the wrist pin, ring, bearing, keeper clip set and bolts Part #s 503 10 00-01 Condition: good used/working shape. Came off a saw with good compression, no breaks Fits: Partner 5000, 500. Jonsered 490 590
Part: used cylinder (part # 505 341160),new aftermarket piston, rings, pin and used bearing Condition: good used/working shape. top two fins are broken on right hand (clutch) side of cylinder Fits: Partner P-70
Part: piston and cylinder kit - includes the rings, bearing, pin, keepers Condition: good used/working shape. Fits: R16, R17, and others. some models 55cc Partner chainsaws. Has a 44mm bore.
Part: piston and cylinder kit - includes the rings, bearing, pin, keepers Condition: good used/working shape. Fits: R17, R19 and others. some models 55cc Partner chainsaws. Has a 44mm bore.