DL-M23. 23 mm tapered coupling with lugs for Continental, BOSCH CP4HS2, CP4S1, CP4S2 fuel injection pumps.
DL-M23 (DL-UNI30917) Tapered Coupling, 23 mm, with mounting lugs for clamp jaws
For connecting to test bench the following high-pressure fuel pumps:
Continental, part no. A2C59517053
BOSCH CP4HS2, part no. 0445010637
BOSCH CP4S2, part no. 0445010611
BOSCH CP4S1, part no. 0445010506
The coupling has a keyway for the fuel injection pump shaft.