OER Parts offers a wide selection of Manual Transmissions & Parts for your 1973 Pontiac Catalina. OER Parts offers 1973 Pontiac Catalina Bearings, 1973 Pontiac Catalina Boots, 1973 Pontiac Catalina Complete Transmissions, 1973 Pontiac Catalina Flywheel, 1973 Pontiac Catalina Gaskets, Seals & Filters, 1973 Pontiac Catalina Gears, 1973 Pontiac Catalina Hardware, 1973 Pontiac Catalina Shift Knobs, 1973 Pontiac Catalina Shift Linkage, 1973 Pontiac Catalina OE Shifters, and 1973 Pontiac Catalina Performance Shifters.