CarWheel.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class CarWheel : MonoBehaviour {

    public WheelCollider targetWheel;
    private Vector3 wheelPosition = new Vector3();
    private Quaternion wheelRotation = new Quaternion();
    
	// Use this for initialization
	void Start () {
		
	}
	
	// Update is called once per frame
	void Update () {
        targetWheel.GetWorldPose(out wheelPosition, out wheelRotation);
        transform.position = wheelPosition;
        transform.rotation = wheelRotation;
        
	}
}