Keep your engine oil at a stable operating temperature with the Standard Ignition Engine Oil Cooler, MPN OCK74. It installs as a direct-fit replacement — the manufacturer confirms proper fit, form, and function — for the 2002-2006 Nissan Altima (L4-2.5L and V6-3.5L), 2004-2006 Nissan Maxima (V6-3.5L), 2004-2006 Nissan Quest (V6-3.5L), and 2008-2009 Nissan Quest (V6-3.5L).
An engine oil cooler routes engine oil through a heat exchanger to shed excess heat, helping maintain proper oil temperature and viscosity under load. Persistent oil seepage around the cooler or its connections is a sign this part may need replacing; diagnose the source of the leak before ordering.
- Ships as a kit: supplied as an Oil Cooler and Gasket Set, with gaskets and O-rings included.
- Two ports, two connectors: two round, male, push-on connectors.
- Built to last: manufactured from high-quality materials for durability, with extensive testing for reliability.
- Mounting hardware is not included — consult the vehicle service information for the correct fasteners and whether they may be reused.
Made in the United States.
Manufacturer part number OCK74.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this oil cooler do?
It routes engine oil through a heat exchanger to shed excess heat, helping keep oil temperature and viscosity stable under load.
What's included in the box?
It ships as an Oil Cooler and Gasket Set, which includes the gaskets and O-rings. Mounting hardware is not included.
Which vehicles does it fit?
The 2002-2006 Nissan Altima (L4-2.5L and V6-3.5L), 2004-2006 Nissan Maxima (V6-3.5L), 2004-2006 Nissan Quest (V6-3.5L), and 2008-2009 Nissan Quest (V6-3.5L). See the Buyer's Guide tab to confirm your vehicle.
Is mounting hardware included?
No, hardware is not included. Consult the vehicle service information for the correct fasteners and whether they may be reused.
How do the connectors attach?
It has two ports with two round, male, push-on connectors.
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