Buy 2020 Gmc Sierra 2500 HD Base Extended Cab Pickup Shield. Heat. Exhaust. (Lower). 6.2 LITER, lower Manifold, LITER, Left - OEM Gmc Part # 12673965

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

Exhaust Heat ShieldExhaust Manifold Heat Shield

Fits Corvette

6.2 LITER, lower. Corvette; Exhaust Manifold; 6.2L; Outer; Lower. Lower.
Exhaust Manifold Heat Shield - Repair or Replace
A tinny ticking, buzzing, or rattling noise that sounds like it's coming from under your 2020 GMC Sierra 2500 HD may be a bent or rusted exhaust heat shield.