Upgrade your Caterpillar 320D equipment with this high-quality solenoid valve designed specifically for C6.6 and C6.4 fuel pump systems. The AXIOMPART 312-5620 326-4635 valve features precision engineering and robust construction to ensure reliable fuel system operation. This replacement solenoid valve is manufactured to exact specifications for seamless integration with your existing fuel pump assembly. The distinctive gold-colored housing with multiple mounting points allows for secure installation, while the integrated electrical connector ensures proper signal communication. Built for heavy-duty applications, this component helps maintain optimal fuel delivery and engine performance. Perfect for maintenance professionals and fleet operators looking to restore or maintain their equipment's fuel system functionality.