[Reference Part Number]: MS50789, EV801523, TA3360, TI92170PR, 23479354, 84326263 Gmc Terrain Suspension Control Arm Buick Envision Tie Rod Replacement 10x Front Control Arm Tie Rod Kit For 1999-2006 Chevy Silverado GMC A-Premium Control Arm Tie Rod Kit Outer Tie Rod End Replacement Start with the outer tie rod. First, spray the locking nut and castle nut with penetrating oil or WD-40 and let it soak for a few minutes. Then perform the following steps: Loosen the outer tie rod locking nut while holding the inner tie rod steady. Be careful not to apply too much pressure on the inner tie rod [Specification]: Condition: Brand New; Ball Stud Material: Steel; Greased Fitting Included: No; Pre-Greased: Yes; Accessories Included: As Picture; About Warranty: 1-Year A-Premium 2 x Front Inner Tie Rod Ends, Compatible with Chevrolet Equinox 2018-2021 & GMC Terrain 2018-2021 & Buick Envision 2017-2018/2020 Visit the A-Premium Store [Installation Position]: Front Inner Left and Right, Driver and Passenger Side