this float is not the correct float for your application
Zenith C85-115
1-1/8" Diameter knob
Unless you can reuse your old adapter fitting for the oil line to the gauge
Rear Tie Rod End fits Ford Tractor 9N 2N 8N 600 601 800 801 | Replaces NAA33271A this float is not theQuality Aftermarket: Rear Tie Rod End Fits: NAA33271A Ford Tractor 9N, 2N, 8N; (Jubilee, NAA; 600, 601, 611, 620, 621, 630, 631, 640, 651, 660, 661, 671, 681, 800, 801, 811, 820, 821, 840, 841, 850, 851, 860, 861, 871, 881, 2000 4 cyl, 2031, 2120, 2131, 4000 4 cyl., 4031, 4120, 4131 Some of Following 4 cylinder with manual steering and regular front axle (1953 1964). Specifications 11 16" 18 UNEF RH thread 4. 250" to center of post Please measure