272 589 00 91 00 Threaded adapter - WS01.00-P-0125B

FG 01/05 Set B 

ENGINE 156, 157, 159, 271/951, 272/979, 273, 276, 278 

Use: 

Threaded adapter with threaded connection M10 X1 inside to M12X1.25 outside for the pressure loss tester from Bosch.

Fig 1: Identifying Threaded Adapter (272 589 00 91 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.