PPE Firewall Insulator 149000105 Compatible with 20012005 ChevyGMC 66 LB7LLY Duramax

Diesel engines produce a lot of heat especially in highoutput situations like towing racing and lighttolight 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 20012005 Duramax diesel engine with this customfit replacement This functional upgrade features merrowed stainless steel wire edging for longlasting 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 1290 degrees 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