B A R R Y wrote:
John Horner wrote:

It is called an anti-drainback valve and most oil filter incorporate
one. Without it your engine would take longer to build oil pressure
at start up, which is a bad thing.


The valve is not present in the correct Toyota oil filter.


Not according to Toyota!

"An anti-drainback valve, which prevents oil from draining out of the
engine and into the oil pan, helping to protect your engine from
increased wear during cold starts."

http://www.toyota.com/html/shop/deal...ilfilters.html