Mechanical Fuel Pump 22R (80-95 Carb. Only)
fuel pump for carbureted (OE part) Due to the age of your truck, it's a good chance yours has been replaced before. Sadly, it was probably with a sub-par 'parts store' unit. Diaphragm leaks either internally into your crankcase and thins your oil or it leaks external creating a possible fire hazard. Neither is fun.
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