12V Fuel Shutdown Stop Solenoid 3921978 for Cummins 6C8.3 6CT 6CTA 4B3.9 6B5.9

This 12V Fuel Shutdown Solenoid 3921978 is a reliable aftermarket replacement designed for Cummins engines including 6C8.3, 6CT, 6CTA, 4B3.9, and 6B5.9 models. Engineered to ensure precise fuel control, it helps maintain optimal engine performance and safety. Please note, this is an aftermarket part and not an OEM component. Easy to install and built to last, it’s ideal for restoring your engine’s fuel system functionality. Perfect for mechanics and DIY enthusiasts seeking quality and affordability Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.