Windshield Washer Pump.
PUMP
Fits 740, 760, 780, 850, 940, 940 SE, 960, S90, V90
Windshield Washer Fluid Pump
If your windshield washers don't spray or your washer fluid reservoir leaks, your 1988 Volvo 780 may need to have its windshield washer fluid pump and grommet replaced.