are newer water pumps interchangale?

[pgguru]

While I have my Motor out I am going to change the water pump so I don't have to do it later in the Truck.
My question is... Can I just Order a pump from a 1997 Truck or will it be different and not work with my single thermostat system? Or do I have to find a high volume pump for the 1995?

Thanks

 

[gnel]

I put the H/O 1997 W/pump in my 1995 sub. That was back in August. No problems so far. Runs right at temp with the oem ac delco thermostat.

 

[buddy]

They are interchangeable. The 99.5-2000 year pump will mount up too, but it uses a different thread on fan clutch. The 2000 year pump is supposed to offer the greatest flow balance of any option.

 

[bk95td]

I use the 97 HO water pumps on all of mine. Rockauto has a great price on a NEW gates 97HO for around $47 last I bought.

 

[Brooklyn Tow]

They are interchangeable. The 99.5-2000 year pump will mount up too, but it uses a different thread on fan clutch. The 2000 year pump is supposed to offer the greatest flow balance of any option.

X2......but for economy, barry's suggestion sounds like the best route.....That said if $ is no problem than the 2000+ WP (P/N#) is in here somewhere) is the way to go, with new fan clutch and new fan, 20" steel or 21" composite (D-Max).......JMO
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