WR400 radiator

Will a 03' wr450 radiator (right) bolt to 00' wr400 frame. The three mounting holes look correct and the hoses hook in the same. I know the tanks and shrouds are different on the two bikes, but the radiators look identicle except for the 45 degree angle. Even the frames look the same. Any help would be apreciated.

Yes it will fit. The only problems you might run into are the overflow nipple on the filler neck is not angled and might interfere with the 400 tank (if you're running the original WR tank that is), and the angled shroud bolt which you already identified. A shroud from a 01-02 YZ/WR426 would work because they had the angled bolt holes.

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