Exploded View

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Oil Check Valve With Torque Specifications

Courtesy of NISSAN NORTH AMERICA, INC.

1.	Block stiffening plate	2.	O-ring	A.	Oil check valve
B.	Oil check valve spring	C.	Threaded plug		Front