Description:Cat Reman oil pumps such as part # 20R-7833 circulate engine oil to the crankshaft and connecting rod bearings, camshaft, valve mechanism components, and accessory drive gears to maintain lubrication and cooling of moving parts and metal-on-metal.Attributes:• Cat Reman UTN oil pumps are new oil pumps which provide new performance and reliability at fraction-of-new costs.• All Cat Reman products come with a same-as-new Caterpillar Limited Warranty. 1• Cat Reman offers off-the-shelf availability. 21 Warranty can vary by model and application; limitations may apply. For complete details about the applicable Caterpillar Limited Warranty, contact an authorized Cat dealer.2 Part may not be available off-the-shelf at all times and in all locations.