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c/diesel-mechanicssethp26sethp264d agoProlific Poster

Just realized my fuel pump rebuilds keep failing at 50,000 miles exactly

I had three trucks come back in the last 6 months with pump failures right around that mark. First one I thought was a fluke, second I blamed on bad fuel, but the third made me actually check the parts. Turns out the aftermarket seal kits I been using from a local supplier in Nashville don't hold up like the OEM ones do. Swapped to the factory rebuild kit on the last job and the truck's already past 60k with no issues. Has anyone else noticed a big gap in seal quality between aftermarket and stock?
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emma_hart
emma_hart4d ago
That bit about the aftermarket seal kits not holding up is something I see everywhere now. It's like the stuff we buy at the auto parts store is just made with thinner materials than the factory parts, period. Same thing happens with my kitchen faucet washers and lawn mower blades - they look the same but they just wear out faster.
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troy_murray8
Nah, I gotta disagree with @emma_hart, the aftermarket seals on my Ford lasted longer than stock.
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