We may have more partner chainsaw parts than anywhere else in the world. We have a huge selection of used parts for the older chainsaws. 55cc 65cc 70cc 85cc and even parts for P100. We have tons of used partner chainsaw parts. We have also bought out 3 partner dealerships in the last year and have lots of NOS partner chainsaw parts on hand, and parts for partner cut-off saws as well. We can help you identify your old partner chainsaw if you can’t figure out what your model is.
Partner 55cc Chainsaw Piston Assembly 44mm 340777 NEW
44mm diameter piston kit includes: piston, rings, wrist pin, and clips. 340777, 505 340777, 505 34 07-77 New aftermarket part Fits Partner R16, R17, R19, R418, R417, R517, S50, S55, F55, P55, F55A, CS550, 550
Partner P100 chainsaw piston assembly 56mm 340782 NEW
56mm Bore piston kit w/ rings, wrist pin, and clips. Partner part number : 340782, 505 34 07-82, 505 340782 New aftermarket part Fits P-100, R440, R-440, R40, R440t and many other 100cc models
Partner S65 Chainsaw 48mm Piston Assembly.
Piston with wrist pin and ring. 340930 In good used shape Fits Partner S65 F65 F S 65 and other 65cc partners
Partner mini p Chainsaw piston ring 510002 NEW RBFP-46
NEW OEM from old dealer stock - piston ring 507 51 00-02 - Fits Partner: older chainsaws and cut off saws
Partner Chainsaw piston ring set 266060 NEW RBFP-70
NEW OEM from old dealer stock - piston ring set - Fits Partner: older chainsaws and cut off saws
Partner Chainsaw wrist pin clips 265814 NEW RBFP-70
NEW OEM from old dealer stock - pair of piston wrist pin clips - Fits Partner: older chainsaws and cut off saws

Partner R420 Chainsaw 48mm Piston and Rings
340782 Piston with rings and wrist pin. 48mm bore In good used shape Fits Partner R-420 and other 65cc partner models with 48mm cylinder bore
(1 in stock)

partner s55 chainsaw bearing, wrist pin and clips for the piston
Part: piston bearing, wrist pin and clip set Condition: good used/working order Fits: Partner S-55

partner 5000 chainsaw piston wrist pin and bearing
Part: wrist pin, bearing and keeper clip set for the piston Condition: good used/working shape Fits: Partner 5000
(1 in stock)
Partner Chainsaw piston ring set 266055 NEW RBFP-9
NEW OEM from old dealer stock - piston ring set - Fits Partner: older chainsaws and cut off saws
(2 in stock)
Partner Chainsaw piston ring 310658 NEW RBFP-13
NEW OEM from old dealer stock - piston ring - Fits Partner: older chainsaws and cut off saws
(3 in stock)

Partner K650 Active Cut-off Saw Piston Assembly 50mm 506 09 90-01 NEW (bin 5)
50mm bore piston assembly with rings, wrist pin, and keepers. 506 099001 New AFTERMARKET part Fits Partner K650 K750 Active II III series chop saws