Spark Plug (Autolite) Fits Ford John Deere Minneapolis Moline White / Oliver Tractor Fits:Ford- 8N SN: 263844 and up, 1950-1952 with side mounted distributor (Distributor is mounted to the right side of engine and generator is mounted on left side); Jubilee, NAA; 501, 541, 600, 601, 611, 620, 621, 630, 631, 640, 641, 650, 651, 660, 661, 671, 681, 700, 701, 740, 741, 771, 800, 801, 811, 820, 821, 840, 841, 850, 851, 860, 861, 871, 881, 900, 901, 941, 950, 951, 960, 961, 971, 981, 2000 4 cylinder, 2031, 2111, 2131, 4000 4-cyl., 4031, 4110, 4120, 4121, 4140 4 cylinder gas and LP thru 1964- John Deere- LA, M, MC, MT, 40, 320, 330, 420, 430, 1010, 2010; JD Industrial 440, MI- Minneapolis Moline- Avery V - White / Oliver- the following w/ 14 mm threads: Cletrac BGS - Specifications M14-1.25mm thread 7/16" Thread reach 13/16" Hex 0.030" Preset Gap Medium heat range Standard tip / non resistor Replacement Numbers: Ford- 216 Autolite- John Deere- 0- Minneapolis Moline- 0- White / Oliver- 0- Note: Please Check spark plug specifications before making your purchase as some models may use more than one type. All JJAgParts items have been hand selected by our team and are continuously monitored for Quality. Should a craftsmanship or fitment concern be identified, JJAgParts will work with you to stand behind our products. JJAgParts is an American owned and operated family business! Here at JJAgParts, we strive for customer satisfaction. If you are not satisfied with your order, please contact us so we can make it right. Note: OEM Part Numbers are for reference only and should be verified before purchase.