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O-Ring, Black EPDM/EPR/Ethylene/Propylene Size: 386, Durometer: 70 Nominal Dimensions: Inner Diameter: 16 85/89(16.955) Inches (43.0657Cm), Outer Diameter: 17 3/8(17.375) Inches (44.1325Cm), Cross Section: 17/81(0.21) Inches (5.33mm) Part Number: ORE
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