Some semi-independent rear suspensions have a solid inverted U-section channel connected between the trailing arms.

Name: Some semi-independent rear suspensions have a solid inverted U-section channel connected between the trailing arms.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

This is known as a "slapper bar" or "panhard bar" and is a commonly used component in semi-independent rear suspensions. It helps to maintain lateral stability and prevent excessive side-to-side movement of the trailing arms.

Some Semi-Independent Rear Suspensions Have a Solid Inverted U-Section Channel