Fits Husqvarna 365XT, 372XT X-Torq  

Fits Jonsered CS2166, CS2172  

POP-UP HIGH COMPRESSION PISTON ASSEMBLY

QUALITY Hyway BRAND AFTERMARKET REPLACEMENT

​O.E.M.# 577 20 77-02

H31378-BOX3

BORE DIAMETER:  50MM

FITS: Husqvarna 365XT, 372XT X-Torq, Jonsered CS2166, CS2172

Includes: Piston, Rings, Wrist pin, Circlips

 Ships Usually In 24 Hrs & To You 1 to 7 Days Canada & U.S.A.

NOTE: Overseas Orders Will Be Sent  By Way Of Ocean 4 to 6 Weeks 

Contact Us Before Purchase If You Would Like Air Service 10 Days.

Any saws shown are for display purpose only and are not included.