Professional™ Passenger Side Inner Steering Tie Rod End (45A0842) by ACDelco®. Location: To Pitman Arm. Quantity: 1 per Pack. An ACDelco Professional Steering Tie Rod End is a high quality aftermarket replacement ideal for many vehicles on the road today. It connects your vehicle’s steering linkage to the steering knuckle. This premium aftermarket replacement component is manufactured to meet your expectations for fit, form, and function.