72Pcs JIC 37 Flare Cap and Plug Kit - Durable Hydraulic Sealing Set

In this review of the 72Pcs JIC 37 Flare Cap and Plug Kit the bottom line is simple: this kit is aimed at technicians and mechanics who need a broad range of reliable caps and plugs for hydraulic hoses, tubes and pipes. The reviewer found the kit ideal for routine maintenance and repair work because it covers the most commonly used dash sizes and is made from treated 45# steel for improved sealing and corrosion resistance, so it saves time and removes the guesswork when a quick protective seal is required.

Key Features

• Comprehensive size range: Includes dash sizes -04, -06, -08, -10, -12 and -16 so it meets most onsite hydraulic fitting needs without hunting for individual parts.
• Durable material: Forged from 45# structural steel and treated with a protective finish to deliver long service life in demanding environments.
• High sealing ability: Precision threading and proper seat geometry provide reliable seals for hoses, tubes and pipes used in fluid power and fuel delivery systems.
• Organized storage: Supplied in a plastic outer box with an accessories parameter table to keep parts sorted and make selection fast during repairs.
• Industry ready: Designed for agriculture, construction, mining and fuel system applications where high pressure and corrosion resistance are required.

Who It's For

This kit is best for professional mechanics, hydraulic technicians and equipment owners who service agricultural, construction or mining machinery and need a ready set of protective caps and plugs for maintenance or transport. It streamlines field work by offering the common JIC 37 flare dash sizes in one kit.

It is less appropriate for users who require stainless steel fittings for corrosive marine environments or who need non-metallic caps for chemical compatibility; those buyers should look for material-specific alternatives with certified corrosion ratings.

Pros & Cons

Pros

• Wide selection of commonly used dash sizes covers most repair scenarios without extra purchases.
• Sturdy 45# steel construction and special process treatment improve durability and resistance to wear.
• Compact plastic case with parameter table simplifies organization and quick part identification.

Cons

• Some customers report that the storage case feels flimsy, so the container may not withstand heavy workshop abuse.

Specifications

Brand	Pikwo
Kit quantity	72 pcs (caps and plugs)
Material	45# structural steel, treated finish
Dash sizes included	-04, -06, -08, -10, -12, -16
Application	Hydraulic hoses, tubes and pipes; fluid power and fuel delivery
Storage	High-quality plastic outer box with accessories parameter table

Our Verdict

The 72Pcs JIC 37 Flare Cap and Plug Kit is a practical, value-focused choice for anyone who regularly services hydraulic systems and needs a broad set of durable caps and plugs. Its steel construction, precision threading and organized case make it a sensible investment for field repairs, though buyers who need a tougher storage box or specialty materials should consider alternatives.

Frequently Asked Questions

Are these caps and plugs suitable for high pressure hydraulic systems?
Yes, they are made from 45# structural steel and are intended for high pressure fuel delivery and fluid power applications, providing reliable sealing when installed correctly.

Does the kit include a storage solution to keep parts organized?
Yes, the set ships in a plastic outer box with an accessories parameter table to help identify sizes and keep components organized.

Will these parts resist corrosion in outdoor use?
The fittings receive a special process treatment to improve corrosion resistance, but users in highly corrosive environments should evaluate material compatibility or choose stainless options.