Water pump

[02greysixer]

My truck is in need of a water pump. Finally tracked down my coolant smell to a leaking pump. It came with a warranty when I got it so I can get any kind of pump I want paid for. What's best? Go with another GM pump or a lifetime warranty one from like AutoZone or somewhere?
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[DBUSHLB7]

Merchant welded water pump!

 

[Schwinn68]

I used a delco figured that the first one last over a hundred thousand miles so the second should be good for the same.

 

[DBUSHLB7]

I used a delco figured that the first one last over a hundred thousand miles so the second should be good for the same.

Merchant unit is a Delco as well.

 

[02greysixer]

Thanks for the replies! Merchants welded one does sound like good insurance

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[sickdiesel]

We run the GM plastic impeller one as even the welded ones have been known to break.

 

[S Phinney]

We run the GM plastic impeller one as even the welded ones have been known to break.

Same hear. I have never had a pump issue with any of them though. 1 k HP is known to be tough on parts so I switched to the plastic impeller one.

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[slipclutchms]

Plastic one with welded gear

 

[dmax711]

I used a napa one and welded the shafts, haven't had any problems to date.

 

[DMAXchris]

I used a napa one and welded the shafts, haven't had any problems to date.

Keep an eye on it. The Napa waterpump on my truck, along with 4 others that I know of, are leaking oil out of the weep hole. I'm not sure if there was a bad batch, but they were all replaced last winter within a few months of each other. I'll be contacting Mr. Broviak for one of his pinned Delco pumps in the near future.

 

[TheBac]

Strange...Ive got 5 years on my NAPA pump with no issues whatsoever. Maybe they went with a different supplier?

 

[DMAXchris]

Yeah Tom, I'm blaming it on a manufacturing defect. They're probably made in China now. 3 of the other trucks were changed and no more leaks.

 

[dmax711]

Strange...Ive got 5 years on my NAPA pump with no issues whatsoever. Maybe they went with a different supplier?

yeah im on year 2 with no issues, def keep an eye on it tho..

 

[TheBac]

Yeah Tom, I'm blaming it on a manufacturing defect. They're probably made in China now. 3 of the other trucks were changed and no more leaks.

Unfortunately I dont think even NAPA is immune to the cheapening of replacement parts to make a buck.

 

[juddski88]

I've just learned that the AC Delco 252-838 pump is also made in China....any other decent options out there?

 

[02greysixer]

I actually put an oreillys pump in mine. No issues as of now. Only put around 8k on it though

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