1999-2006 GM Heat/Sound Insulator Firewall - Silver

Diesel engines produce a lot of heat, especially in high-output situations like towing, racing, and light-to-light driving. Time to upgrade your tattered, dirty firewall insulation with the brand new PPE Insulator Firewall.

Create a barrier between you and the heat on your 2001-2007 Duramax diesel engine with this custom-fit replacement. This functional upgrade features merrowed stainless steel wire edging for long-lasting performance and grommets for an OEM fit. The ceramic fiber interior is sandwiched between the tightly woven silicone fiberglass outer fabric and the woven silica inner panel. The combination of materials and workmanship create a temperature resistance up to 1,290 degrees.

GM Equivalent P/Ns: 15940303, 115078177, 15998600

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

• 1999 Chevrolet Silverado 1500 4.3L GAS
• 1999 Chevrolet Silverado 1500 4.8L GAS
• 1999 Chevrolet Silverado 1500 5.3L GAS
• 1999 Chevrolet Silverado 2500 5.3L GAS
• 1999 Chevrolet Silverado 2500 6.0L GAS
• 1999 GMC Sierra 1500 5.3L GAS
• 1999 GMC Sierra 2500 5.3L GAS
• 1999 GMC Sierra 2500 6.0L GAS
• 2000 Chevrolet Silverado 1500 4.3L GAS
• 2000 Chevrolet Silverado 1500 4.8L GAS
• 2000 Chevrolet Silverado 1500 5.3L GAS
• 2000 Chevrolet Silverado 2500 5.3L GAS
• 2000 Chevrolet Silverado 2500 6.0L GAS
• 2000 GMC Sierra 1500 5.3L GAS
• 2000 GMC Sierra 2500 5.3L GAS
• 2000 GMC Sierra 2500 6.0L GAS
• 2001 Chevrolet Silverado 1500 HD 6.0L GAS
• 2001 Chevrolet Silverado 1500 4.3L GAS
• 2001 Chevrolet Silverado 1500 4.8L GAS
• 2001 Chevrolet Silverado 1500 5.3L GAS
• 2001 Chevrolet Silverado 2500 HD 6.0L GAS
• 2001 Chevrolet Silverado 2500 HD 6.6L DIESEL
• 2001 Chevrolet Silverado 2500 HD 8.1L GAS
• 2001 Chevrolet Silverado 2500 6.0L GAS
• 2001 Chevrolet Silverado 3500 6.0L GAS
• 2001 Chevrolet Silverado 3500 6.6L DIESEL
• 2001 Chevrolet Silverado 3500 8.1L GAS
• 2001 GMC Sierra 1500 HD 6.0L GAS
• 2001 GMC Sierra 2500 HD 6.0L GAS
• 2001 GMC Sierra 2500 HD 6.6L DIESEL
• 2001 GMC Sierra 2500 HD 8.1L GAS
• 2001 GMC Sierra 2500 6.0L GAS
• 2001 GMC Sierra 3500 6.0L GAS
• 2001 GMC Sierra 3500 6.6L DIESEL
• 2001 GMC Sierra 3500 8.1L GAS
• 2002 Chevrolet Silverado 1500 HD 6.0L GAS
• 2002 Chevrolet Silverado 1500 4.3L GAS
• 2002 Chevrolet Silverado 1500 4.8L GAS
• 2002 Chevrolet Silverado 1500 5.3L FLEX
• 2002 Chevrolet Silverado 1500 5.3L GAS
• 2002 Chevrolet Silverado 2500 HD 6.0L BI-FUEL
• 2002 Chevrolet Silverado 2500 HD 6.0L CNG
• 2002 Chevrolet Silverado 2500 HD 6.0L GAS
• 2002 Chevrolet Silverado 2500 HD 6.6L DIESEL
• 2002 Chevrolet Silverado 2500 HD 8.1L GAS
• 2002 Chevrolet Silverado 2500 6.0L CNG
• 2002 Chevrolet Silverado 2500 6.0L GAS
• 2002 Chevrolet Silverado 3500 6.6L DIESEL
• 2002 Chevrolet Silverado 3500 8.1L GAS
• 2002 GMC Sierra 1500 HD 6.0L GAS
• 2002 GMC Sierra 2500 HD 6.0L GAS
• 2002 GMC Sierra 2500 HD 6.6L DIESEL
• 2002 GMC Sierra 2500 HD 8.1L GAS
• 2002 GMC Sierra 2500 6.0L GAS
• 2002 GMC Sierra 3500 6.0L GAS
• 2002 GMC Sierra 3500 6.6L DIESEL
• 2002 GMC Sierra 3500 8.1L GAS
• 2003 Chevrolet Silverado 1500 HD 6.0L GAS
• 2003 Chevrolet Silverado 1500 4.3L GAS
• 2003 Chevrolet Silverado 1500 4.8L GAS
• 2003 Chevrolet Silverado 1500 5.3L FLEX
• 2003 Chevrolet Silverado 1500 5.3L GAS
• 2003 Chevrolet Silverado 1500 6.0L GAS
• 2003 Chevrolet Silverado 2500 HD 6.0L CNG
• 2003 Chevrolet Silverado 2500 HD 6.0L GAS
• 2003 Chevrolet Silverado 2500 HD 6.6L DIESEL
• 2003 Chevrolet Silverado 2500 HD 8.1L GAS
• 2003 Chevrolet Silverado 2500 6.0L GAS
• 2003 Chevrolet Silverado 3500 6.0L GAS
• 2003 Chevrolet Silverado 3500 6.6L DIESEL
• 2003 Chevrolet Silverado 3500 8.1L GAS
• 2003 GMC Sierra 1500 HD 6.0L GAS
• 2003 GMC Sierra 2500 HD 6.0L GAS
• 2003 GMC Sierra 2500 HD 6.6L DIESEL
• 2003 GMC Sierra 2500 HD 8.1L GAS
• 2003 GMC Sierra 2500 6.0L GAS
• 2003 GMC Sierra 3500 6.0L GAS
• 2003 GMC Sierra 3500 6.6L DIESEL
• 2003 GMC Sierra 3500 8.1L GAS
• 2004 Chevrolet Silverado 1500 4.3L GAS
• 2004 Chevrolet Silverado 1500 4.8L GAS
• 2004 Chevrolet Silverado 1500 5.3L ELECTRIC/GAS
• 2004 Chevrolet Silverado 1500 5.3L FLEX
• 2004 Chevrolet Silverado 1500 5.3L GAS
• 2004 Chevrolet Silverado 1500 6.0L GAS
• 2004 Chevrolet Silverado 2500 HD 6.0L CNG
• 2004 Chevrolet Silverado 2500 HD 6.0L GAS
• 2004 Chevrolet Silverado 2500 HD 6.6L DIESEL
• 2004 Chevrolet Silverado 2500 HD 6.6L DIESEL
• 2004 Chevrolet Silverado 2500 HD 8.1L GAS
• 2004 Chevrolet Silverado 2500 6.0L GAS
• 2004 Chevrolet Silverado 3500 6.0L CNG
• 2004 Chevrolet Silverado 3500 6.0L GAS
• 2004 Chevrolet Silverado 3500 6.6L DIESEL
• 2004 Chevrolet Silverado 3500 6.6L DIESEL
• 2004 Chevrolet Silverado 3500 8.1L GAS
• 2004 GMC Sierra 2500 HD 6.0L GAS
• 2004 GMC Sierra 2500 HD 6.6L DIESEL
• 2004 GMC Sierra 2500 HD 8.1L GAS
• 2004 GMC Sierra 2500 6.0L GAS
• 2004 GMC Sierra 3500 6.0L GAS
• 2004 GMC Sierra 3500 6.6L DIESEL
• 2004 GMC Sierra 3500 8.1L GAS
• 2005 Chevrolet Silverado 1500 HD 6.0L GAS
• 2005 Chevrolet Silverado 1500 4.3L GAS
• 2005 Chevrolet Silverado 1500 4.8L GAS
• 2005 Chevrolet Silverado 1500 5.3L FLEX
• 2005 Chevrolet Silverado 1500 5.3L GAS
• 2005 Chevrolet Silverado 1500 6.0L GAS
• 2005 Chevrolet Silverado 2500 HD 6.0L CNG
• 2005 Chevrolet Silverado 2500 HD 6.0L GAS
• 2005 Chevrolet Silverado 2500 HD 6.6L DIESEL
• 2005 Chevrolet Silverado 2500 HD 6.6L DIESEL
• 2005 Chevrolet Silverado 2500 HD 8.1L GAS
• 2005 Chevrolet Silverado 3500 6.0L CNG
• 2005 Chevrolet Silverado 3500 6.0L GAS
• 2005 Chevrolet Silverado 3500 6.6L DIESEL
• 2005 Chevrolet Silverado 3500 8.1L GAS
• 2005 GMC Sierra 2500 HD 6.0L GAS
• 2005 GMC Sierra 2500 HD 6.6L DIESEL
• 2005 GMC Sierra 2500 HD 8.1L GAS
• 2005 GMC Sierra 3500 6.0L GAS
• 2005 GMC Sierra 3500 6.6L DIESEL
• 2005 GMC Sierra 3500 8.1L GAS
• 2006 Chevrolet Silverado 1500 HD 6.0L GAS
• 2006 Chevrolet Silverado 1500 4.3L GAS
• 2006 Chevrolet Silverado 1500 4.8L GAS
• 2006 Chevrolet Silverado 1500 5.3L FLEX
• 2006 Chevrolet Silverado 1500 5.3L GAS
• 2006 Chevrolet Silverado 1500 6.0L GAS
• 2006 Chevrolet Silverado 2500 HD 6.0L GAS
• 2006 Chevrolet Silverado 2500 HD 6.6L DIESEL
• 2006 Chevrolet Silverado 2500 HD 6.6L DIESEL
• 2006 Chevrolet Silverado 2500 HD 8.1L GAS
• 2006 Chevrolet Silverado 3500 6.0L GAS
• 2006 Chevrolet Silverado 3500 6.6L DIESEL
• 2006 Chevrolet Silverado 3500 6.6L DIESEL
• 2006 Chevrolet Silverado 3500 8.1L GAS
• 2006 GMC Sierra 2500 HD 6.0L GAS
• 2006 GMC Sierra 2500 HD 6.6L DIESEL
• 2006 GMC Sierra 2500 HD 8.1L GAS
• 2006 GMC Sierra 3500 6.0L GAS
• 2006 GMC Sierra 3500 6.6L DIESEL
• 2006 GMC Sierra 3500 8.1L GAS