Car Air Conditioning O-Rings HNBR Rubber, 18 Sizes, Refrigerant Ring Set

Keep your car’s air conditioning system tight and efficient with this Car Air Conditioning O-Rings HNBR Rubber set. Crafted from HNBR rubber for superior chemical resistance and a broad temperature range, this 18‑size refrigerant ring assortment is the go‑to solution for routine AC maintenance and on‑the‑spot repairs. The green seals are designed to fit a variety of refrigerant line connections, helping you prevent leaks, maintain optimal cooling performance, and extend the life of your AC system.

Benefits & Tips

• Versatile 18‑size set covers hoses, service ports, connectors, and compressor fittings, making it ideal for DIY repairs and professional service alike.
• HNBR rubber delivers strong resistance to refrigerants, oils, and high/low temperatures, helping seals last longer under automotive AC conditions.
• Practical use tip: choose the exact size by comparing with the old O‑ring or consulting the vehicle’s service documentation to ensure a proper seal and prevent leaks. Note the stated measurement tolerance of +/- 0.5 cm when selecting replacements.

Product specifications

• Material: HNBR rubber
• Color: Green
• Fits: 18 sizes (car air conditioning refrigerant applications)
• Temperature range: -45°C to 165°C
• Condition: 100% brand new
• Origin: Mainland China
• Weight: 0.22 kg
• Brand: NONE
• Interchange Part Number: default
• Special features: Car repair rubber ring classification set

Package includes:

• 18‑size HNBR O‑ring set for automotive air conditioning systems

Warnings/Reminders

• Temperature range specification is -45°C to 165°C.
• Measurement tolerance is +/- 0.5 cm.
• Ensure the exact size matches the original seal to prevent leaks and refrigerant loss.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

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