Part numbers listed below indicate interchangeable parts. These parts share the same size, parameter, function and compatibility. However, please note that items from different brands may have minor variations.
21831, 2183-1, 21-831, 2-1831, 2-1-831 - ECHLIN, BWD
PR33 - SMP, STANDARD IGNITION
800145, 80-0145, 800-145 - SORENSEN
21035, 210-35, 21-035 - TOMCO PRODUCTS
2551035, 2-551035, 255-1035 - WALKER PRODUCTS