Average Reviews:
(More customer reviews)I installed one of these on a '68 GMC after the mechanical pump went out. It worked fine for 6 years plus, then quit cold without warning; I'd call that an OK lifespan but not great. Unfortunately that was only true of the 2002 model; the next two I bought failed in 6 months or less. I took one apart post mortem; an internal checkvalve seemed to have come apart. I haven't decided yet whether to take the other failed Delco apart after I get it off, but its replacement won't be another Delco.
I had my first EP12S mounted in the engine compartment where it was easy to work with (the instructions didn't say not to). It didn't seem to lose prime in any weather. The instructions for all recent-production pumps that I've tried, though, say they have to be mounted low down near the gas tank and won't handle more than 12" of lift. Sure enough, when I pushed my luck and installed the first new Delco where the old one had been, it was prone to vapor-locking and losing prime in warm weather until I moved it down below. Where did the 2002 technology disappear to -- or was I just lucky?
As another reviewer said, the picture is wrong (and has been for at least the past year).
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