Originally Posted by SPOHN

Build your own part by part. A lot cheaper. A diff pump is about $180, about a 13R cooler $140, lines, fittings (this is the costly part. Fittings are costly about $250), and a inline switch to turn on at will. Forget the the temp sensor and automatic activation.

Never seen a high capacity diff cover. There not much room there. A small spacer would be neat.