Scheduled Maintenance Stop Solenoid – Fits Hyundai R130 R170
3991167 SA-4941-12 Stop Solenoid, 12V for Cummins 4BT — planned lifecycle replacement for Hyundai R130 and R170 excavators experiencing electrical cycling wear and vibration-related degradation. Schedule alongside fuel filter and fuel line service to avoid repeated system access. Aging fleet units benefit from stocked spares rather than reactive sourcing. Fits Hyundai R130 / R170 with Cummins 4BT engines OEM reference 3991167, SA-4941-12 (cross-reference only) 3-12 month warranty against manufacturing defects Replacement interval guidance ships with every order to support fleet maintenance scheduling