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SOHC vs DOHC Water pump differences


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A buddy of mine just traded in his 98 Forester(2.5l DOHC). In prep for his timing belt job (was going to do it before he traded it), he purchased all his needed parts. He no longer needs them, so he 'sold' them cheap. Having a newer Forester (SOHC), I knew I couldn't use the belt, so I bought his new water pump.

Now I ask, My SOHC calls for p/n 21111AA007, His box (and DOHC) calls for 21111AA110. They look the same. Is there really a difference, (mounting or molded ridges for plastic belt cover)? Does it have different flow(pumping) characteristics? Or will it bolt on?

THANKS in Advance....

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I dont know for sure.

 

 

I would check the placement of the pump drive wheel. Since the the pump takes drive from the back of the timing belt, and the belt takes a slightly different path between SOHC and DOHC, the axle might be in a different location.

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