Caterpillar 3406 Flanged End Oil Cooler, 7W2164

Brand New Oil Cooler with Flanged Ends.
Please Note: It is highly recommended to replace this outdated, flanged end cooler with Caterpillar's new straight end cooler # 7C3039, 1330125. The updated design, straight end cooler has the same size ports, it just features a larger diameter body in the center, which results in increased cooling capacity. The updated design cooler can be viewed below as a recommended product.
replaces: 7W2164, 0R5601

Oil coolers should always be replaced after a catastrophic engine failure or when rebuilding an engine.

An oil coolers primary function is to cool the engine lubricating oil, which in turn lowers the temperature of critical engine components, primarily the engine bearings. When oil exceeds normal operating temperatures, it loses viscosity and lubricating properties. When this happens, the oil begins to break down and deteriorate very quickly. Our premium grade oil coolers help extend the life of you engine oil and the longevity of your engine.