Stone River Products Automotive A/C O-Ring Kit, 200 Piece HNBR 70A Assortment, 12 AS568 Sizes, Green High Saturation Nitrile Seals for R-134a Refrigerant Systems
Automotive A/C HNBR Assortment – 200 Pieces / 12 Sizes Includes 200 green HNBR O-rings in 12 commonly used AS568 sizes for automotive air conditioning and sealing repairs.
Premium HNBR (HSN) Material for R-134a Systems Made from highly saturated nitrile (HNBR/HSN) 70 durometer, engineered for excellent resistance to R-134a refrigerant and the synthetic compressor oils used in modern A/C systems.
High-Temperature & Ozone Resistance vs Standard NBR HNBR provides greater thermal stability, tensile strength, wear/extrusion resistance, and improved resistance to ozone and oxygen compared to standard Buna-N.
Wide Service Temperature Range Reliable sealing from -40°F to +300°F, allowing long-term performance in high-heat engine bays and pressure-cycling A/C circuits.
Organized Case for Fast Service Work Seals arrive sorted in a labeled organizer case, making it easy to grab the correct size during A/C line, fitting, and compressor service.
Overview
Material : HNBR / HSN (Hydrogenated Nitrile)
Brand : Stone River Products
Color : Green
Temperature Range : -40°F to +300°F Degrees Fahrenheit
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
🚚 Is free shipping available?
We do not currently offer free shipping. However, this may be added at some point. We apologize.
🔧 How can I get a tracking number for my order?
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
🛡️ How do I process a return or exchange?
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
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