Automatic Radio Mfg Co. OIL SEAL Part No: 181.370023A

The 181.370023A Oil Seal is a critical wheel hub sealing component designed to protect heavy‑duty truck wheel ends from lubricant leakage and environmental contaminants. Featuring a robust nitrile rubber seal with a loaded spring lip, this oil seal forms a tight barrier around the shaft and housing bore to keep grease in and debris out, preserving bearing performance and extending component life. Built to match trusted OE 37‑series specifications, the 370023A ensures reliable operation in harsh conditions and helps minimize maintenance and downtime. Whether used in fleets, service garages, or individual truck repairs, this oil seal provides dependable protection and durability for wheel assemblies operating under load and exposure to road contaminants.