Nissens 91440 Engine Oil Cooler

Nissens 91440 Engine Oil Cooler

The Nissens 91440 engine oil cooler is an OEM equivalent aluminum heat exchanger built to maintain proper oil temperature for reliable operation of lubricated engine components. It is a direct-fit option for select INFINITI and Nissan trucks and SUVs, including Armada, TITAN, TITAN XD, NV2500, NV3500, and QX80 applications without housing.

Key Features

• OEM equivalent grade for OE-style fit and function
• Aluminum construction for efficient heat transfer and corrosion resistance
• 2 connector design for the specified application
• Engine oil cooler for maintaining stable lubricant temperatures
• Built by Nissens with in-house testing to meet quality standards
• Part number 91440 for easy identification and ordering

Detailed Description

Nissens 91440 is an engine oil cooler engineered for vehicles that rely on controlled oil temperatures to protect internal engine components. By transferring heat away from the oil, this cooler helps support consistent lubrication performance in demanding driving conditions. It is a fitment-specific replacement for 2014-2024 INFINITI QX80, 2017-2024 Nissan Armada, 2017-2024 Nissan TITAN, 2016-2024 Nissan TITAN XD, 2018-2021 Nissan NV2500, and 2018-2021 Nissan NV3500, all without housing. This part cross-references Nissan OE numbers 21305EZ30A and 213051LA0C for the same application.

What It Helps Address

• Excessive engine oil temperature
• Oil breakdown caused by heat
• Reduced lubrication performance under load
• Heat-related stress on engine components
• Oil cooler replacement needs on select Nissan and INFINITI models

Installation Notes and Tips

Verify the vehicle is equipped for the without housing configuration before ordering. Confirm connector count and mounting layout against the original part, and inspect related oil lines, seals, and surrounding cooling components during service. For fitment-specific searches, this part is commonly selected for 2014-2024 INFINITI QX80 oil cooler replacement, 2017-2024 Nissan Armada engine oil cooler service, and 2016-2024 Nissan TITAN XD oil cooler applications.

Quality Assurance

Nissens uses advanced in-house testing facilities to verify compliance with its quality standards. The result is an OEM equivalent oil cooler built for long service life and dependable operation in the specified INFINITI and Nissan applications. Part number 91440 is a direct reference for ordering and catalog matching.