Description Volvo/Mack O-Rings 10 Pack Replaces OEM: 20443765. Ensure a perfect seal for your Volvo or Mack with these high-quality O-Rings, designed to replace OEM part number 20443765. The package includes a set of O-Rings, crafted to fit seamlessly, maintaining the integrity of your refrigerant lines for R12 and R134a systems. With a 1-year manufacturer warranty, these rings are an essential component for upkeep and maintenance of your vehicle’s A/C system. The SPR brand is synonymous with reliability and durability, offering an OE Spec product that ensures compatibility and performance. The must-cross OEM part number for correct fitment emphasizes the importance of precision engineering in every component. Trust in these O-Rings to provide a hassle-free, leak-proof seal for your air conditioning system. Application: O-Rings, Gaskets, & Seals Description: Oring – 10 per bag -Yellow Diameter: Fits Discharge Side Model: Used on Volvo Product Name: O-Ring Refrigerant Type: R12/R134a