| Listed in parts books | Not catalogued by year yet |
ROTARY VALVE,USED
Rotary breather valve for the Triumph unit-engine crankcase, PN 70-5316U.
This is the rotary breather valve as fitted to the crankcase on Triumph unit-construction engines, catalog number 70-5316U. It's the disc-type valve that times the pressure release from the crankcase as the engine turns over, part of the crankcase breathing setup rather than anything to do with fuel or oil circuits.
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Our records on this one are thin — it shows up under this number with a plain listing and nothing more in the way of fitment detail. If you're chasing down a breather issue or replacing a worn valve, give us a call with what you're working on and we'll confirm this is the right one before you order.
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