In my opinion all Japanese car use the same brass valve, only the moving system is changing. On my Honda Civic, I have used a Datsun 1200 valve. I didn't open it for the plunger rod. I cut the mechanism and put the Honda one on it. It worked well.
I've seen somewhere it is possible to change the o-rings on the plunger rod, so I think I'll try this first. The only problem is to bend the little brass parts. I'm not sure I'll be able to do it correctly. But as someone wrote, the valve is already dead, what is the risk? To kill it again? 😆