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The PERRIN O‑ring (72mm ID x 1.5mm) is a Buna rubber seal specified for AOS (air/oil separator) body use. Sized precisely for a 72mm inner diameter and a 1.5mm cross-section, this spare O‑ring provides a direct replacement option where a Buna material seal is required for AOS service or rebuild tasks. It’s a simple maintenance component intended to restore or maintain a proper AOS seal.
PERRIN O-Ring 72mm ID x1.5mm Buna for AOS Body
