FMSI > Power Steering & Transmission Repair Lines > Item # 4503R FMSIFMSI Power Steering & Transmission Repair LinesPower Steering & Transmission Repair Lines Item # 4503R Item # 4503R, 3/8" x 16mm x 1.50 (O-ring) High Pressure Repair Line (4") 4503R3/8" x 16mm x 1.50 (O-ring) High Pressure Repair Line (4") Request Information Email This Page Download PDF Download PDF Printable Page /Asset/4503R.jpg /Asset/4503R.jpg Close Window - Includes 5000 psi high pressure compression union Specifications Tube Size N/A 3/8" Length N/A 4" Thread N/A 16mm x 1.5 Tube Nut Part # N/A 3435 (Gold) Flare N/A O-ring Packaging N/A SP(1) HP(1)