611 589 00 99 25 Threaded insert - WS15.00-P-0037-16B

FG15/Set B 

ENGINE 611, 612, 613, 628, 629, 642, 646, 647, 648 

Use: 

Threaded insert; repair sleeves M10x1 for inserting into the glow plug hole.

Fig 1: Identifying Threaded Insert (611 589 00 99 25)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.