001 589 78 21 00 Compression tester - WS01.00-N-0006A

FG 01/05/Set A 

ENGINES all Only diesel engines 

Use: 

Compression recorder for diesel engines, measuring range 10 to 40 bar without connectors.

Fig 1: Identifying Compression Tester (001 589 78 21 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.