This Dorman Driveworks control arm with part number 520-137 is designed to fit Chevy S10 and GMC Sonoma vehicles. It is made by Dorman, a reputable brand in the automotive industry, and comes in a pack quantity of one. The control arm is meant to be placed on the front left upper of the vehicle. In addition, the product has several interchange part numbers, including 12376265, 12543947, and 19133653, as well as CA474B, 623.66021, CAK620261, and CK620. The manufacturer part number is 520-137 and the CS-SKU is 591:520137. This control arm is perfect for those looking for a reliable replacement part for their vehicle's suspension system.