HVAC Box to Firewall Gasket Seal Fits 1978-1988 A/G-Body Replaces GM #3042381
$17.50
OE/OEM Part Number: GM part number# 3042381. Replaces GM # 3042381. Type: HVAC Box to Firewall Gasket. This is the gasket located between the fiberglass HVAC assembly (Heater Core & A/C Evaporator) and the firewall.