Shop 2008 Cadillac Escalade EXT Shield. Heat. Exhaust. Assembly - Manifold Spark Plug (High Tension) LITER, Make, May, Model - OEM Cadillac Part # 12603793

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

Exhaust Heat ShieldExhaust Manifold Heat Shield

Fits Cobalt, G5

2.2 LITER, California.
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.