1940 Buick Series 40/60 Firewall Insulator - Premium Heat & Sound Barrier

Enhance your classic 1940 Buick's comfort and authenticity with our Firewall Insulator, designed specifically for Series 40 and 60 models. This premium insulator combines an original equipment manufacturer (OEM) appearance with cutting-edge thermal and acoustic performance. Say goodbye to engine noise and unwanted heat entering your cabin, and enjoy a quieter, more comfortable ride.

• Thermoformed to replicate factory firewall contours for a seamless fit
• Integrated foil or vinyl face for maximum heat reflection
• Superior performance compared to original jute pads in noise, vibration, and harshness (NVH) control
• Retains original mounting points, clips, and fastener holes for easy installation
• Moisture-resistant construction ensures durability throughout the restoration life

Fitment: 1940 Buick Series 40, 60