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

★★★★★ 4.6 127 reviews

$90.00
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Product details

Management number 212697459 Release Date 2026/04/06 List Price $36.00 Model Number 212697459
Category
  • 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.

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