This brand-new rear shock absorber fits 85/95 series heavy trucks with matched part numbers 1623464, 1337159, 1319672 and 1387327. It is a core suspension component that reduces road vibration and bumps during driving. Built with premium durable materials, it offers stable damping performance, strong wear resistance and excellent shock absorption effect. Complying with OEM specifications, it is easy to install and perfectly replaces old or damaged original shock absorbers.