Heat/Sound Insulator Firewall - Gold

Features:

• Tightly woven silicone fiberglass and silica outer fabrics.
• Ceramic fiber interior.
• Merrowed stainless steel wire edging.
• Reduced engine heat and noise entering the cab.
• Can be installed without removing engine.

Cooler & More Comfortable Driving Experience

Diesel engines generate significant heat, particularly during high-output activities like towing, racing, and city driving. Upgrade your worn-out firewall insulation with the new PPE Insulator Firewall. Specifically designed for 1999-2007 Duramax diesel engines, this custom-fit replacement creates an effective barrier against heat, ensuring a cooler and more comfortable driving experience.

Exceptional Temperature Resistance

The PPE Insulator Firewall features merrowed stainless steel wire edging for durability and grommets for an OEM fit. Its advanced construction includes a ceramic fiber interior, encased between a tightly woven silicone fiberglass outer fabric and a woven silica inner panel. This combination of materials offers exceptional temperature resistance up to 1,290 degrees, providing superior heat protection for your engine compartment.

Fits: 1999-2007 GM Sierra/Silverado