Fifth Wheel Trailer Hitch Pin Box; King Pin Coupler; 18000 Pound Gross Weight Capacity; Heavy Duty Pin Box; Fits Lippert 1621 Frame Only Has the time come for you to replace your old, worn out 1621HD pin box? Look no further, the L05 Extended Pin Box is a direct replacement for Lippert ™ 1621HD pin boxes, so you can easily swap it out and get back on the road in no time. Type: Air-Ride Coupler Type: King Pin Gross Weight Capacity: 18000 Pound Length: 30-3/4 Inch Width: 12 Inch Bolt Pattern: 2 Row Horizontal Mounting Bolt Spacing: 7-3/4 Inch Vertical Mounting Bolt Spacing: 2 Inch Color/ Finish: Black Powder Coated Material: Steel With King Pin: Yes With King Turret: No With King Pin Locking Wedge: No With Turret: No With Spacers: No Features & Benefits Steel Construction And Black Powder Coat Finish That Protects Against Rust Direct Replacement For Lippert 1621HD 5th Wheel Pin Boxes King Pin Connects To Any 5th Wheel Trailer Hitch 18,000 pounds Weight Capacity Features Assembly Hardware Proudly Made In The USA Lippert Extended Pin Box Easily Bolts Onto A Trailer Using Existing Hardware, And Bolts Into Place Along Two Rows Of Bolt Holes Pin Box Is Extremely Durable To Ensure Peaceful Towing Day After Day Limited 1 Year Warranty