From oil separator to engine block
This hose is located in the engine, before the oil case and the oil pan.

Fits the following models:
Volvo 240 Years 1981-93
Volvo 740 Years 1985-92
Volvo 760 Years 1984-90
Volvo 780 Years 1989-91
Volvo 940 Years 1991-95
Measurement upper end: inner / outer-diameter = 17,5 / 21 mm. Lower end: inner / outer-diameter = 13,7 / 16 mm