1999-2007 GM Heat/Sound Insulator Firewall
1999-2007 GM Heat/Sound Insulator Firewall Pacific Performance Engineering
1999-2007 GM Heat/Sound Insulator Firewall Pacific Performance Engineering
1999-2007 GM Heat/Sound Insulator Firewall Pacific Performance Engineering
1999-2007 GM Heat/Sound Insulator Firewall Pacific Performance Engineering
1999-2007 GM Heat/Sound Insulator Firewall
1999-2007 GM Heat/Sound Insulator Firewall Pacific Performance Engineering
1999-2007 GM Heat/Sound Insulator Firewall Pacific Performance Engineering
1999-2007 GM Heat/Sound Insulator Firewall Pacific Performance Engineering
1999-2007 GM Heat/Sound Insulator Firewall Pacific Performance Engineering
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1999-2007 GM Heat/Sound Insulator Firewall

$299.99 In Stock Temporarily out-of-stock
Finish
43838503125235 45478388826355 45478388859123
PART NUMBER: 149000105 GTIN: 840171218800

OEM P/N REFERENCE: GM 15829509, 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

FREE SHIPPING FOR ORDERS OVER $199

1 YEAR LIMITED WARRANTY

30-DAY RETURNS

  • Description
  • Compatible Vehicles
  • RESOURCES

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 1999-2007 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 creates a temperature resistance up to 1,290 degrees.

  • 5 stars: 3 (75%)
  • 4 stars: 1 (25%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
T
Terry B. (United States)
Firewall Blanket

The firewall blanket went in without much struggle. It looks good. Where the two parts came together I purchases a stud from Lowe’s and used a metal to metal epoxy. The stud is glued to the firewall.

S
Slick R. (United States)
Tight fit just how i like it

Couldn’t be more of a perfect fit. And a safety upgrade at that the stock heat shield tends to rip and Droop over time and catch fire from the trucks pipes. So glad i went with this

A
Albert D. (United States)
Fitment was pretty close to factory

Fitment was pretty close to factory. It could have been a half inch longer ti fit properly.

R
Romeo
I gave it a try

I was out a firewall insulator and hadn’t ever really had to deal with specifically that type of issue. I was determined to put in the work save the money and just create one myself. And I most likely could have, but I ordered one just because I had a good feeling about it and it’s pretty straightforward. The product is what they describe it as. Certain areas can be a pain but installing this without pulling half of your bay out or even your motor is a breeze. It’s made of some quality materials, ships super quick and looks great in the duramax. If you’re thinking about it because you need one the. This is what I would recommend. Fast, affordable, easy to work with. Pretty cool product and pretty cool company engineering all of this.

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