Vacuumn check valve, cruise control........15733271....package of 5.....$12.60 MSRP
(The old number was 14056648 for a package of one)
It may not look the same as the OE check valve but it is functionally the same. It is a 3-nipple check valve.
The check valve is placed in the vacuum line between the cruise control servo to the vacuum ball with a vacuum line to the EGR solenoid.