This is a replacement Allis Chalmers oil gauge and is a 1/8" NPT male type
The oil gauge has 1/8" brass NPT male thread
501 541 600 601 611 620 621 630 631 640 641 650 651 660 661 671 681
with two mounting studs
Some Gauge Readings on Some vehicles will vary and may need further tweaking (different speedo gear etc
Temperature Gauge for Farmall IH C, Super C, 200, 230, 240 72" This is a replacement AllisThis temperature gauge replaces IH part numbers 369849R91, 393476R91 353868R91, 53690R2, Fits Farmall IH Tractors: C, Super C, 200, 230, 240, 300, 330, 340 gas, 350, 400, 450, 460, 560, 660 gas and diesel. This gauge has Yellow Zinc "Cad" plating for corrosion resistance protection! This gauge has mounting studs and bracket, rubber gasket seal for mounting flush to dash. It has a 6 or 12 volt light feature included so owner has option to use or not to