REPLACEMENT: The Inner Chain Check Valve Installer Tool is Alternative to 6637 Or 276589003300.
FITMENT: Fit For Mercedes Benz M157, M276 and M278 Engine. Review Picture for more models.
MATERIAL: Made of top high quality and wear resistance steel, durable and strong enough.
FUNCTION: This tool is specially designed to install the inner chain check valve at ease.
EASIER WORK: Put the check valve in position with hole then screw the installer tool into the cylinder head surface, turn the pressure screw ensure the check valve go into the cylinder head.
