The 360 82073 00 Vacuum Pump Coupler is used to connect the Motor to the Vacuum pump in JB brand vacuum pumps.
This will fit all RTI, Mahle and Bosh branded machines with JB Vaccum pumps.
Used in RTI RHS730, RHS780, RHS2780, TC670, TC2670 model machines.
This coupler is the Guardian 18.
Genuine Mahle Part.