Efficient Hydraulic Connection: Designed specifically for agricultural machinery, this hydraulic quick coupler ensures a seamless and efficient connection, enhancing the performance and reliability of your equipment Steel Construction: Crafted from steel, this quick coupler offers exceptional durability and strength, internal pressure relief valve allows connection under pressure Compact Sizes: With a length of 11cm and thread size M22 x 1.5, this coupler is compact yet sturdy High Pressure Self-Sealing Design: Thebreakaway coupler with push pull design, provides secure connections under high pressure, ensuring safety during operations Replaces Part Numbers: 3384873M8, AL166181, AL119348, AL200979, AL170665.Replacement for jd al166181 female quick coupler,male thread with o-ring Specification: Material: Steel Size Chart: 11cm/4.33inch Package Includes: 1 PieceHydraulic Female Quick Coupler Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.