Buy 2020 Gmc Sierra 2500 HD Base Extended Cab Pickup Shield. Heat. Exhaust. (Right, Front). 6.6 LITER - OEM Gmc Part # 12680294 (12677227, 12705652)

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

Exhaust Heat ShieldExhaust Manifold Heat Shield

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

6.6 LITER DIESEL, passenger side, rear. Silverado, Sierra 2500 HD; Diesel; Right; Rear. Silverado, Sierra 3500 HD; Diesel; Right; Rear.
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.