Date registered: Dec 2008
Vehicle: 2004 S500. 2000 CLK430 Cab, 1999 C43 AMG. 1999 S500. 1999 S320. 1977 230 4 spd, 1972 280SEL 4.5
Location: Charlotte NC
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The Bosch pumps on these systems produce 35 to 40 PSI pressure with a normally functioning pressure regulator.
I have been able to use bosch pumps that look similar (fittings and size) of Volvos, BMWs, Saabs or anything from this vintage that came with the Bosch fuel injection system.
These aftermarket pumps are on Ebay new between 40 and 50 dollars.