OER Parts offers a wide selection of Manual Transmissions & Parts for your 1966 Plymouth Belvedere. OER Parts offers 1966 Plymouth Belvedere Bearings, 1966 Plymouth Belvedere Boots, 1966 Plymouth Belvedere Complete Transmissions, 1966 Plymouth Belvedere Flywheel, 1966 Plymouth Belvedere Gaskets, Seals & Filters, 1966 Plymouth Belvedere Gears, 1966 Plymouth Belvedere Hardware, 1966 Plymouth Belvedere Shift Knobs, 1966 Plymouth Belvedere Shift Linkage, 1966 Plymouth Belvedere OE Shifters, and 1966 Plymouth Belvedere Performance Shifters.