I can't say for sure but a good rule of thumb is that if the (unbroken) spring fits snugly on the end of the shuttle valve that's a good place to start (!)


I've got pictures of a 722.303 valve body in bits somewhere on this forum - need me to ask google for you?


{try => 722.303 photo shoot stretch site:peachparts.com }

__________________
1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!