NAK’s patented universal C3 bonded piston
Technology
Simplifying
Repairs.
NAK’s
patented universal C3 bonded piston replaces three incompatible versions with one
smart solution—reducing inventory hassle and cutting down repair errors.
> Patented in October 2024, it’s the
go-to fix for GEELY QR640AHA / SSANGYONG M11 transmission.
> Our innovative solution is patented in Taiwan, China, and Germany—ensuring global recognition and trusted protection across key markets.
