JIC Hydraulic Cap And Plug Kit, 72-Piece, 37 Flare

JIC hydraulic cap and plug kit helps stop leaks fast by sealing open hydraulic lines during maintenance, transport, or emergency repairs. This 72-piece assortment covers common 37° flare dash sizes and uses precision threading for quick install and removal. Built from galvanized #45 steel for corrosion resistance, the caps and plugs store neatly in a labeled, size-sorted case so you can grab the right fitting without delays on the jobsite or in the shop.

• Includes 72 caps and plugs in dash sizes 4, 6, 8, 10, 12, 16 for versatile hydraulic line sealing


• Delivers precision fine threads for smooth installation/removal and consistent fit on 37° flare JIC fittings


• Helps prevent leaks with cone-style connections and sealing rings designed for reliable, high-pressure sealing


• Resists corrosion with galvanized #45 steel construction for demanding industrial, agricultural, and machinery use


• Keeps you organized with a rugged, labeled storage case sorted by size for faster maintenance and repairs

Downtime often starts with a single open port—seal it before contamination and leaks create bigger problems. This JIC hydraulic fitting assortment is built for technicians who need dependable caps and plugs on hand for hose, tube, and pipe service. The size-labeled case speeds up selection, while the steel, galvanized finish supports long-term use in tough environments. Stock your toolbox for routine service calls and unexpected failures—grab yours today and keep your hydraulic system work moving.

• Set size: 72 pieces


• Fitting type: JIC 37° flare caps and plugs


• Dash sizes included: 4 / 6 / 8 / 10 / 12 / 16


• Thread sizes: #4 (7/16-20), #6 (9/16-18), #8 (3/4-16), #10 (7/8-14), #12 (1 1/16-12), #16 (1 5/16-12)


• Material: #45 steel


• Surface treatment: galvanized


• Case dimensions: 11.42 x 6.69 x 2.36 in (290 x 170 x 60 mm)


• Item weight: 7.28 lb (3.3 kg)