Shop 1990 Buick Century Shield. Heat. (Front, Upper). 6.2 LITER SUPERCHARGED, upper. Exhaust Manifold Exhaust, MANIFOLD, Left - OEM Buick Part # 12666097

A Heat reflective barrier to prevent items from coming in contact with the hot Exhaust Manifold. Exhaust Heat Shield. Converter. Exhaust Manifold. Insulator.

Exhaust Heat ShieldExhaust Manifold Heat Shield

Fits CT5, CTS

6.2 LITER SUPERCHARGED, upper.
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.