OER Parts offers a wide selection of Weatherstrip for your 1966 Chevrolet Impala. OER Parts offers 1966 Chevrolet Impala Firewall Seals.
Product#: 500180
Universal Pass-Through Rubber Grommet; Fits 3/4" Hole for 12 Gauge Wire; Each
Product#: TF300249
1955-59 Truck, 1955 Car 4-Hole 1-5/8" OD Wire Harness Grommet (Large)
Product#: 3864327
1965-72 GM; Wiring Harness Firewall Retainer Gutter; 13" Long; OER
Product#: 3148473
1966-70 Evaporator Case Drain Hose Rubber Seal - with AC
Product#: K8095
1965-67 Impala, Bel Air, Biscayne, Caprice; Hood To Cowl Seal Weatherstrip