Hi, Lori, and welcome back.
That is an outer tie rod. If it has excessive play, it needs replaced. Additionally, when replacing, make sure to measure the overall length between the end of the joint and where is screws onto the inner tie rod. If you don't make it exactly the same length, the alignment (toe in/out) will need reset.
Here is a link that shows how to replace one in general:
https://www.2carpros.com/articles/tie-rod-end-replacement
Here are the directions specific to your vehicle for replacement. All attached pictures correlate with these directions.
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TIE ROD END REPLACEMENT
NOTE: The content of this article / image reflects the changes called out by TSB: 05-02-32-003
Tie Rod End Replacement - Outer
Tools Required
J24319-B Universal Steering Linkage Puller
Removal Procedure
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Remove the tire and wheel assembly.
Picture 1
3. Remove the prevailing torque nut (2) from the outer tie rod assembly (1).
Picture 2
4. Loosen the jam nut (2) on the inner tie rod assembly (1).
Notice: Do not attempt to disconnect a steering linkage joint by driving a wedge between the joint and the attached part. Seal damage may result which will cause premature failure of the joint.
Picture 3
5. Remove the outer tie rod assembly from the steering knuckle using J24319-B.
Picture 4
6. Remove the outer tie rod assembly (3) from the inner tie rod assembly (1).
Installation Procedure
Picture 5
1. Install the outer tie rod assembly (3) to the inner tie rod assembly (1). Do NOT tighten the jam nut (2).
Picture 6
2. Install the outer tie rod assembly (2) to the steering knuckle (1).
Notice: Refer to Fastener Notice in Service Precautions.
Picture 7
3. Install the prevailing torque nut (2) to the outer tie rod assembly (1).
Tighten the nut to 30 Nm (22 ft. lbs.) plus an additional 120 degrees of rotation.
NOTE: Visually inspect to ensure that 2 1/2 - 4 1/2 threads are visible past the nylon washer.
Tighten the jam nut to 70 Nm (52 ft. lbs.).
4. Install tire and wheel assembly.
5. Lower the vehicle.
6. Perform a front end alignment.
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It really is a good idea to have the car aligned after this procedure. However, if you don't want to, make sure the length is measured between the end of the inner tie rod (where the outer attaches) and the end of the outer tie rod.
Let me know if this helps or if you have other questions.
Take care,
Joe
Images (Click to make bigger)
Saturday, February 2nd, 2019 AT 8:59 PM