Shop OEM General Motors Part # 84507698 (23123771). Wheel. 18", code: RT4. Wheel - Repair or Replace Your wheel may need replacement or repair if you notice a wheel hop in your

Rim. Wheel, alloy.
A Wheel / Rim of a vehicle, which may or may not come with a tire mounted to it.

Wheel

Fits Impala

18", code: RT4.
Wheel - Repair or Replace
Your wheel may need replacement or repair if you notice a wheel hop in your —in other words, you notice a steering wheel shimmy at highway speeds.