530PCS Green HNBR O-Rings Assortment Kit 18 Sizes for A/C Compressor

Green HNBR O-Rings Assortment Kit

This comprehensive selection of highly durable green rubber sealing rings is designed specifically for air conditioning compressor systems.

Overview

This green HNBR O-rings assortment kit contains a wide selection of sizes to seal connections in automotive heating, ventilation, and air conditioning systems. Made from Hydrogenated Nitrile Butadiene Rubber, this green HNBR O-rings assortment kit offers superior chemical and temperature resistance compared to standard rubber seals. Professional mechanics and DIY garage hobbyists keep this green HNBR O-rings assortment kit on hand to prevent refrigerant leaks during component replacements.

Built For Performance

• HNBR material provides exceptional resistance to refrigerant oils and chemicals
• Includes 18 popular sizes categorized in a compartmentalized storage case
• Flexible rubber construction ensures tight, leak-proof compression seals
• High temperature rating withstands typical engine bay operating environments

On-The-Job Use

• Sealing air conditioning compressor manifolds and hose connections
• Replacing degraded seals during an AC system rebuild or recharge
• Servicing commercial and residential cooling systems requiring chemical-resistant rings

Specs At A Glance

Good To Know

Q: Why are green O-rings used instead of black ones in automotive AC systems? A: Green O-rings are made of HNBR, which is formulated to resist breakdown from modern R134a and R1234yf refrigerants and synthetic compressor lubricants.

Q: Can these O-rings be used for plumbing or fuel lines? A: Yes, HNBR offers excellent resistance to petroleum-based oils and fuels, though they are primarily optimized for high-pressure cooling systems.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.