Replace the Diesel Cigar Hose.
Mine developed a pin hole, a few weeks after the primary filter hoses cracked.
PART NUMBER SEARCH RESULTS WITH PRICES
Vehicle 1983 Mercedes Benz 300CD Turbo
Part: Diesel Cigar Hose
Note: Fuel Return
"Cigar Hose"
265 mm
D1031-12382 Diesel Cigar Hose IN STOCK $10.78
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