I get tons of people who always ask 'whats the difference between the water pumps on the VIII & IX. Ive never really known until this morning. I was asked yesterday and I decided that I would finally do a comparison like I had planned for a year or so.

It appears the only difference is the alternator bracket mounting point that is on the IX Water Pump. See the illustrations below.

EVOLUTION VIII WATER PUMP - 1300A065 MSRP $195.00
EVOLUTION IX WATER PUMP - 1300A067 MSRP $238.90

So basically you pay $43.90 for a mounting point.







EVOLUTION VIII FINS - NO DIFFERENCE


EVOLUTION IX FINS - NO DIFFERENCE


EVOLUTION VIII SERVICE MANUAL


EVOLUTION IX SERVICE MANUAL

 

awesome!!!

 

so then will the viii waterpump fit on the ix?

 

Looks like on the IX Waterpump that mount is for the alternator....

 

correct. so unless you want the alternator breaking off, use the IX pump on a IX

 

Kinda sucks! I can't find the gmb IX waterpump part #

 

I'm bring this thread back from the dead.

I've been in the process of gathering parts for my 2.4L build. And the waterpump price difference led me to this thread. So I came to the conclusion that a Ix needs a Ix waterpump.

Fast forward to today, I was working on my IX. Reinstalling my Intake manifold, and I noticed something.. Something not right. I was running an VIII Waterpump because it didn't have the tab!!!
The correct bracket was still used, It was bolted using a lower intake manifold bolt and a bolt to the top of the alternator. But the 3rd hole on the bracket that goes to the waterpump was NOT USED because their was no tab for it.



I Ordered all the parts and had them sent to a friends shop while I was overseas. And he did all the maintance along with a bunch of other crap.
Now the interesting part, How long have I been running it this way? About 26-27k
If it even makes a difference, I made 526whp, and Road raced the car numurous times. I never encountered a problem from this at all.
I know what my next water pump is going to be....

 

Thanks Des for Clearing that up for me lol Extreme psi has the gates evo 8 pump for a great price also thats what i purchased installing this weekend with cams.......

 

Back from the dead, couldn't one just pick up an evo viii alt bracket and use it in place of an evo ix bracket?

 

thanks for the good info............

 

I know I'm extremely late, but it's 1300A067

 

Good thing for this thread I almost was sold on the 180$ cheaper gates water pump. Turns out it was only for an 8.

 

so nobody else has used the VIII water pump on their IX? it sounds like the guy a few posts above had no issues.

 

I used the vlll water pump on my lx , its way cheaper and does the same job , inly difference i that little bracket .

 

i see Gates as low as $60ish. wow.

i assume they work on both and that is why Gates has not bothered to make a IX-specific pump.

i wondered if the bracket would have a tendency to swivel from the head/IM mount.. but it seems to be resting on the alternator. i'm assuming that is how the VIII mounts anyway.