1 1/4 inch Female Jic 37° x 3/4 Male Jic 37° FasParts Hydraulic Steel Reducer Adapter
2406-20-12
Dash Size: -20 Tube OD: 1-1/4" Jic 37 / Sae 37 Female (Actual Nominal Thread Size 1-5/8" x 12 Tpi)
Dash Size: -12 Tube OD: 3/4" Jic 37 / Sae 37 Male (Actual Nominal Thread Size 1-1/6" x 12 Tpi)