PART NUMBER: 0280 140 500
  Replacement idle speed  control valve for  Bosch  number 0280 140 500
This is a custom-built substitute part to replace a larger diameter clumsy idle speed  control .  The resistance of the coil windings on the motor  are configured to work with your current computer ECU . No electrical modifications are needed. This idle speed control valve is fitted with the correct electrical connector and will pug into the existing wire harness.
Some modifications to the idle control valve mounting bracket may be needed if desired. We are installation insulation mat that will take up the differences between the mounting bracket and replacement idle control valve
This  idle control motor will fit  volvo 240 , with 2.1 L engines from 1981 through 1984
Also will fit Volvo 760  with 2.8 L v6 engines.
PART NUMBER: 1389618 , 0280 140 516
1389618  idle control valve  Bosch ref 0280 140 5216
For Volvo 240 Years 1990-93,
Volvo 740 Years 1990-92,
Volvo 760 Year 1990
Volvo 940 Years 1991-94
this idle control valve has 2 prong connector terminal. These  idle control valves wear out after long years of service. 
PART NUMBER: 3517067 , 0280 140 520
Replaces the part with the number: 3517967
The part that controls the engine's idle speed. Fixes rough idle. 
Bosch 0280 140 520 
Fits:
Volvo 240 Years 1984-93,
Volvo 740 Years 1985,-92,
Volvo 760 Year 1985 - 1990
Volvo 940 Years 1991-1994
This idle control valve has 3 prong connector terminal. These idle control valves wear out after long years of service.