New Genuine Cummins Seal Installer Tool, Part # 5573487, for ISX / L9 / ISX11.9 / ISX12

Genuine Cummins Seal Installer p/n 5573487 for ISX Primary Function: Correctly positions and seats the high-pressure sealing washer inside the fuel rail bore before reinstalling components like the pressure relief valve (PRV) or high-pressure fuel fittings. Applicable Engines: Commonly used on mid-to-heavy-duty engines, including the Cummins L9, ISX11.9, and ISX12 series. Critical Importance: Cummins service bulletins state that technicians must not perform fuel rail thread repairs or component replacements without this tool, as improper installation can cause severe thread damage and pressure failures., Core Charge: 0.00