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fuel filter,fuel direction

Fuel System

Vehicle Information: Year: 1986; Engine (Size, Modifications): 3.3; Total Mileage: 30000;

fuel filter arrow--which direction should the arrow point--up or down on a 930...or what is the direction of fuel from fuel pumpto the fuel filter.the replacement filter isa mahle kl22 928.110.147.05 fittings state thearrow (fuel direction)is up but the filter onthe car is the same filter, but the arrow isdown?? please advise thank you

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