Replacement Gauge (Set) IH Farmall Fits IH Farmall H, I4, I6, I9, M, Super MTA, O4, OS4, O6, OS6, TD6, W6, W9,WD9, Set Consits the following Gauges 1) Temperature Gauge 72'' Lead, 5/8" -18 UF (Brass) with 1/2" NPT Pipe Bushing (Included) Chrome Bezel Glass Lens, Metal Case with studs & Bracket, Illumination Bulb+Holder (for change in capillary length to 24" lead or 72" lead => leave a note after buying) 2) Oil Pressure Gauge =0-75 psi 1/8" NPT Male Thread (Brass) with studs & Bracket) Chrome Bezel Glass Lens, Metal Case , Illumination Bulb+Holder 3) Ammeter 20-0-20 = 52 mm (2" ) with stud & Bracket Chrome Bezel Glass Lens, Metal Case with studs & Bracket, Illumination Bulb+Holder (All Gauges fits in 52mm(2") dashboard hole/ dash mounted)