90-110 & Defender V8 Oil Cooler
If high oil temperatures are a problem, for example, when towing, the V8 engine will benefit from the fitting of an oil cooler. We recommend fitting a thermostat at the same time, to avoid overcooling.
Note: an oil cooler was incorporated into the Range Rover's coolant radiator with the introduction of the 3.9 litre engine.
The Series 2 Range Rover has a separate oil cooler.