Dense form fitting molded reproduction as original.Seals heater core tubes to through firewall opening. Without AC with 2" thick heater core. GM Group #: 8.845 GM Part #: 3929024…
New proprietary tooling from original NOS GM sample. Correct dense form fitting molded reproduction as original. Seals unused small block heater core tube opening to firewall. GM Group #: 8.845 GM Part #: 3906094…
New proprietary tooling for 2019. Molded rubber seal as original form fitting. Seals heater core tubes to through firewall opening. GM Group #: 8.845 GM Part #: 3889484…