Nissens 91371 Engine Oil Cooler

Engine Oil Cooler for Toyota and Lexus Applications

Nissens 91371 is an OEM-equivalent engine oil cooler built to maintain proper oil temperature for reliable lubrication performance. It is a direct-fit option for select Toyota Highlander, Toyota Sienna, Lexus RX350, and Toyota Venza applications with a without housing configuration.

Key Features

• OEM-equivalent grade for factory-style fit and function
• Heat exchanger design for controlled engine oil cooling
• Core dimensions: 4.84 in. length, 4.88 in. width, 3.23 in. thickness
• Built for select 2014-2016 Toyota Highlander and Toyota Sienna applications
• Also fits 2014-2015 Lexus RX350 and Toyota Venza applications
• Cross-reference part numbers: 1571031020, 1571031021

Detailed Description

This Nissens engine oil cooler, part number 91371, is a heat exchanger that helps regulate oil temperature so lubricated components can operate under stable conditions. The compact core measures 4.84 inches long, 4.88 inches wide, and 3.23 inches thick, making it a precise replacement for vehicles that use the without housing configuration. It fits 2014-2016 Toyota Highlander, 2014-2016 Toyota Sienna, 2014-2015 Lexus RX350, and 2014-2015 Toyota Venza.

For buyers searching for a 2014-2016 Toyota Highlander engine oil cooler, a 2014-2016 Toyota Sienna oil cooler, or a 2014-2015 Lexus RX350 oil cooler, Nissens 91371 provides an OEM-equivalent solution with application-specific fitment. The part number 91371 is also a practical match for Toyota Venza owners needing the same without housing configuration.

Common Issues This Part Can Address

• Elevated engine oil temperature
• Reduced oil cooling efficiency
• Oil temperature instability during normal operation
• Wear related to inadequate lubrication control
• Replacement needs for a damaged or leaking oil cooler

Installation Notes and Tips

Verify the vehicle uses the without housing configuration before ordering. Confirm the OE cross-reference numbers and compare the existing cooler’s dimensions and mounting style to part number 91371. Clean the surrounding oil passages and inspect seals, lines, and mating surfaces during replacement to help ensure proper sealing and flow.

Quality Assurance

Nissens uses in-house testing facilities to verify product quality and consistency, supporting long service life and dependable operation. This oil cooler is built to meet OEM-equivalent expectations for fit and performance.