The part number 5269379 is a genuine Cummins magnetic switch (also known as a starter relay), a crucial electrical component used in the starter motor circuit of various Cummins engines The Cummins magnetic switch, part number 5269379, is an electromechanical device that facilitates the high-current flow required to engage the starter motor, ensuring the engine starts reliably.
- Part Type: Magnetic Switch / Starter Relay
- Function: It acts as a high-current relay, closing the circuit between the battery and the starter motor when the ignition key is turned. This protects the ignition switch from high electrical loads.
- Power/Voltage: It is designed to operate on either 12V or 24V DC systems, with some industrial applications using 240V, depending on the specific vehicle's electrical setup.
- Material: Constructed with a durable housing, often made of mild steel or high-strength steel, to protect internal copper windings and components from environmental factors, vibration, and corrosion.
- Compatibility: This versatile switch is compatible with a wide range of Cummins engines, including the 4B3.9, 6B5.9, 6C8.3, ISB, QSB, ISC, ISL, ISM, QSM11, and QSX15 series.