oops, my memory failed me. it is a single hose pump.

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'82 240D 224K miles manual transmission
mods: wooden 4by4 bumper, EGR delete and older EX manifold without EGR port, glass pack muffler (cheapest replacement muffler), rebuilt bosch injectors with Monark nozzles

working on: aux electric fuel pump, coolant/fuel heat exchanger/filter head, afterglow, low oil pressure buzzer/LED

That's too bad. If you had a ripped Diaphragm that would have been an easy fix.

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84 300D, 82 Volvo 244Gl Diesel