NBRINGO Automotive AC O-Ring Kit 697 Pc (Green NBR) — Metric & SAE Seals, 4 Pick Tools

NBRINGO 697-piece Automotive AC O-ring Kit is a complete selection of NBR seals and pick tools organized in a clear case to repair and replace refrigerant line seals for R12, R134a and other refrigerants.

This kit provides a broad set of replacement O-rings and useful hand tools so technicians and DIYers can stop leaks, restore connections and maintain vehicle air-conditioning systems. Built around nitrile butadiene rubber (NBR) seals in multiple metric and SAE sizes, the set is arranged in a durable plastic case with labelled compartments for fast size selection. The collection includes 36 distinct sizes, 697 total O-rings, and four pick & hook tools to remove and seat seals without damaging fittings.

What sizes and quantities are included, and will they cover my car?

The kit contains 697 O-rings across 36 sizes, covering both common metric and SAE diameters used on automotive AC lines and service ports. The assortment is intended to match a wide range of domestic and imported vehicles across different model years.

• 36 distinct O-ring sizes in green NBR material
• Both metric and SAE diameters included for fittings and hose ends
• Organized compartments labeled for quick identification

How durable are these O-rings and which refrigerants are they compatible with?

Manufactured from NBR (nitrile butadiene rubber), the O-rings are chosen for their resistance to oils, refrigerants, and general automotive service fluids. They are commonly used for systems running R134a and older refrigerants like R12, and provide good sealing performance when installed correctly and paired with compatible lubricants.

• NBR compound for oil and coolant resistance
• Suitable for R134a and many legacy refrigerants (R12, R22, R404a applications)
• Recommended to use correct lubricant for installation to extend seal life

What tools come with the kit and how do they help during repairs?

The kit includes four pick and hook tools designed to extract old seals and position new O-rings without scratching or cutting fittings. These tools speed up service work and reduce the risk of damaging sealing surfaces during disassembly and reassembly.

• Four stainless-style pick & hook tools for removing stubborn seals
• Tools sized to handle small O-rings and tight AC service points
• Clear case keeps tools and parts visible and accessible

How is the kit organized and what makes it easy to use on the job?

The O-rings and tools arrive in a durable clear plastic case divided into labeled compartments so you can visually locate sizes quickly. The transparent lid and individual slots reduce time spent searching and help prevent cross-contamination of parts.

• Clear, compartmented storage tray for fast size selection
• Compact, stackable case that fits in a toolbox or shelf
• Labels and visible layout minimize guesswork during repairs

Who is this for: The NBRINGO 697-piece AC O-ring Kit is aimed at automotive technicians, mobile mechanics, fleet service teams and DIY car owners who perform AC maintenance and leak repairs. It’s especially useful if you work on multiple vehicle makes or need a broad selection of metric and SAE seals on hand. If you need high variety, quick identification, and basic tools to replace seals on refrigerant lines and fittings, this kit offers a practical, cost-effective solution.