All of our new parts are aftermarket replacements. Compatible with International Tractor(s) 656 (gas Farmall), 706 (LP, gas heavy-duty, diesel Famall s/n 37236-earlier / International s/n 5273-earlier), 756 (LP, gas heavy-duty), 2706 (LP, gas heavy-duty, diesel s/n 5273-earlier), 2756 (LP, gas heavy-duty). Replaces International OEM Number(s) 378713R92, 391200R91. Fins Per Inch: 8. Fill Neck Height: 2. All States Ag Parts Item No.