Just a heads-up that I had a catastrophic failure on two of these. One I purchased and the second was a replacement for the first. This is for PN MA8174 which is a non-vented cap.
This cap is held together with a single spot weld. When that fails it pops the inner cap with the latching ears into the tank. Not good! Both caps had cold weld joints with no weld nugget.
This cap is held together with a single spot weld. When that fails it pops the inner cap with the latching ears into the tank. Not good! Both caps had cold weld joints with no weld nugget.