Nissens 91379 Engine Oil Cooler

Nissens Engine Oil Cooler for Toyota and Lexus

The Nissens 91379 engine oil cooler is an OEM equivalent aluminum heat exchanger built to maintain proper oil temperature for reliable lubrication performance. It is a direct-fit option for select 2014-2016 Toyota Highlander and 2014-2015 Lexus RX450h applications without housing.

• OEM equivalent grade for factory-style fit and function
• Aluminum construction for efficient heat transfer
• Core dimensions: 5.08 in. length, 4.76 in. width, 2.87 in. thickness
• Supports stable oil cooling for lubricated engine components
• Part number 91379 for easy identification and ordering

Detailed Product Information

Nissens part number 91379 is an engine oil cooler engineered to help control oil temperature in vehicles that rely on consistent lubrication under load. By transferring heat away from the oil, this cooler supports dependable operation of internal engine components and helps maintain proper viscosity during everyday driving and demanding conditions. It is a fitment-based replacement for the Toyota Highlander and Lexus RX450h, with application notes specifying without housing. This part cross-references Toyota/Lexus OE number 1571031030 for the same application.

What This Oil Cooler Helps Address

• Excessive engine oil temperature
• Oil breakdown from heat stress
• Reduced lubrication performance in hot-running conditions
• Wear concerns in oil-fed engine components
• Cooling system service needs on select Toyota Highlander and Lexus RX450h models

Installation Notes and Fitment

Compatible with 2014-2016 Toyota Highlander, N/A, without housing, and 2014-2015 Lexus RX450h, N/A, without housing. Confirm the vehicle’s existing cooler configuration and housing style before installation. The aluminum core and OEM equivalent design support straightforward replacement when the original unit matches the listed application. Part number 91379 should be verified against the vehicle identification number and existing cooler layout for accurate ordering.

Quality Assurance

Nissens backs this oil cooler with in-house testing processes that verify compliance with high quality standards. The brand’s validation approach supports long service life and consistent performance in normal service conditions.