Shop 2005 Buick Century Shield. Heat. (Front). 6.6 LITER DIESEL, driver side. Silverado, Sierra 2500 HD DIESEL, Driver, Side - OEM Buick Part # 12692265 (12680293)

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

Exhaust Heat ShieldExhaust Manifold Heat Shield

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

6.6 LITER DIESEL, driver side. Silverado, Sierra 2500 HD; Diesel; Left. Silverado, Sierra 3500 HD; Diesel; Left.
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.