NEW OEM Tesla Model 3/Y High Voltage Contactor Assembly 1089334-01-K

Maintain the safety and reliability of your Tesla's high-voltage electrical system with the NEW OEM Tesla High Voltage Contactor Assembly (Part Number: 1089334-01-K), engineered specifically for Tesla Model 3 and Model Y vehicles. This genuine Tesla high voltage contactor assembly is a critical component of the vehicle's battery management and power distribution system. It is responsible for safely connecting and disconnecting the high-voltage battery from the drive unit, onboard charger, DC-DC converter, and other high-voltage systems during vehicle operation, charging, startup, and shutdown.

Verify compatibility using the vehicle VIN before installation
High-voltage safety procedures must be followed at all times
Disconnect and isolate the high-voltage battery according to Tesla service procedures before servicing
Wear appropriate high-voltage personal protective equipment (PPE)
Inspect busbars, electrical connectors, HV cables, and sealing surfaces for damage or contamination
Install the replacement contactor assembly using Tesla-approved torque specifications
Ensure all high-voltage connections are clean, properly seated, and securely fastened
Perform Battery Management System (BMS) diagnostics and verify proper contactor operation after installation
Confirm there are no high-voltage isolation or fault codes before returning the vehicle to service
Professional installation by a Tesla-certified or qualified EV high-voltage technician is strongly recommended