NEW PISTON FITS ECHO CS-3400, CS-3500, 39MM KIT PART # 10000039530, 10000039230

NOTE: WE HAVE PISTONS KITS TO FIT ALLMOST ALL CHAINSAWS. THEY ARE NOT MADE IN TAIWAN OR CHINA, THE OTHER BRANDS YOU SEE ON EBAY ARE MADE IN TAIWAN OR CHINA AND THEY GIVE IT A BRAND NAME, OUR PISTONS ARE MADE EXCLUSIVELY FOR US IN OUR PACKAGEING, NO WHITE BOXES OR REBRANDED BOXES