Shop Buick Century Shield. Heat. Exhaust. (Lower). 3.0 LITER, rear converter, front. 3.6 LITER. 3.6 LITER, Right, Front - OEM Buick Part # 12593759 (12583596)

A Heat reflective barrier to prevent items from coming in contact with the hot Exhaust Manifold. Exhaust Heat Shield. For Exhaust Manifold. Heat Shield used on the catalytic converter. Manifold Spark Plug (High Tension). Catalytic Converter. Insulator.

Catalytic Converter Heat ShieldExhaust Heat ShieldExhaust Manifold Heat Shield

3.0 LITER, rear converter, front. 3.6 LITER. 3.6 LITER, lower. 3.6 LITER, rear converter, front. 3.6 LITER, right side, lower.
Exhaust Manifold Heat Shield - Repair or Replace
A tinny ticking, buzzing, or rattling noise that sounds like it's coming from under your may be a bent or rusted exhaust heat shield.