OER Parts offers a wide selection of Body Components for your 1966 GMC G1000 Series. OER Parts offers 1966 GMC G1000 Series Wiper Motors, 1966 GMC G1000 Series Wiper Motor Grommet, 1966 GMC G1000 Series Wiper Motor To Firewall Seal, 1966 GMC G1000 Series Wiper Motor Harness, 1966 GMC G1000 Series Wiper Motor Shroud Gasket, 1966 GMC G1000 Series Wiper Motor Cover, and 1966 GMC G1000 Series Wiper Motor Mounting Hardware.