Shop Buick Century Exhaust Manifold Heat Shield. 3.5 & 3.7 LITER. Exhaust Manifold Heat Shield - LITER, Make, May, Model - OEM Buick Part # 12578647

Heat shield. SHIELD, Exhaust Manifold Spark Plug (High Tension).
A Heat reflective barrier to prevent items from coming in contact with the hot Exhaust Manifold.

Exhaust Manifold Heat Shield

Fits Canyon, Colorado, H3

3.5 & 3.7 LITER.
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.