This brand-new truck overflow spare part matches OEM codes 1504934, 0633492, 633492 and 745081. It serves as an important chassis cooling component to divert redundant liquid and balance system pressure. Made of high-strength durable material, it features stable sealing, pressure resistance and long service life. Fully manufactured to OEM specifications, it fits perfectly with original assemblies and is an ideal replacement for aged or damaged overflow parts.