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Also a huge thank you to everyone that contributed and shared info, docs and links for parts!

Hey all, sorry to resurrect a dead thread, it took me a little longer than I care to admit to get around to doing this seal replacement and figured I’d share a few more pictures for whoever stumbles onto this next if nothing else. Getting the seal and plunger out was actually a lot easier than...

Thanks! I'll check Diamond Diesel. I had seen a few kits from Stanadyne, like this one that looks like it's got all the seals and o rings. https://altamontediesel.com/shop/ols/products/stanadyne-db2-rebuild-kit-oem-gaskets-and-seals Only thing is it doesn't look like it's got the plunger or...

Feel pretty confident it is that seal now. I had the epiphany that if I parked with the front right side of the vehicle on a slight decline, that would prevent the forward weep hole from running back to where it was dripping and could rule that out. I cleaned and let dry the engine valley...

This is excellent, thanks for sharing. Definitely makes sense to try this first if it is the advance plunger seal leaking. "weepy" is a good word (I had searched for "leaking" and "dripping" but hadn't stumbled on that thread, thanks for passing the info along) I'll see if I can wash some...

Thanks folks! That's what I was afraid of, but figured it was worth asking. I'll plan on replacing with a new/rebuilt pump. @Retiredwarhorses Good tip on the HPG warranty. I'm not seeing the part number (DB2831-5079) that this pump has on it on his site, do you know if there are other models...

Howdy! New owner of a gov planet USMC M1151A1 that runs and drives great, but has slow fuel drip when running. This is the first HMMWV I've ever owned, so I've been learning a lot as I go. I changed all the fluids (geared hubs, diffs, transfer case, trans, engine oil, coolant, and power...