Standard Ignition US-845 Ignition Lock Cylinder and Switch

Ignition Lock Cylinder and Switch for Mazda Miata

Standard Ignition US-845 is a coded ignition lock cylinder and switch assembly for select 2004-2005 Mazda Miata models with immobilizer and without keyless entry. It is built for column mounting and includes the keys and mounting brackets needed for a direct replacement service.

Key Features

• Fits 2004-2005 Mazda Miata, column position, w/o Keyless Entry; w/ Immobilizer
• Coded ignition lock cylinder and switch assembly
• Column-mounted design with 3 connectors
• Male and female connector and terminal interfaces
• 10 blade terminals for vehicle electrical connection
• Keys included; mounting bracket(s) included
• Standard Ignition US-845 for ignition service and replacement

Detailed Description

Standard Ignition US-845 is an ignition lock cylinder and switch assembly made for Mazda Miata applications that use an immobilizer system and do not use keyless entry. The coded cylinder supports proper key operation, while the integrated switch and column-mount layout match the original service location. This part cross-references CS1205 and KS7205 for the same application. Standard Ignition US-845 is a practical replacement choice when servicing the ignition system on a 2004-2005 Mazda Miata.

Common Uses

• Restoring ignition key operation after cylinder wear
• Replacing a switch that no longer turns or engages correctly
• Addressing intermittent start or accessory power issues at the column
• Servicing a damaged or mismatched ignition lock cylinder on a Mazda Miata
• Replacing a unit that no longer matches the vehicle’s coded key system

Installation Notes and Tips

Verify the vehicle is a 2004-2005 Mazda Miata with immobilizer and without keyless entry before ordering. Confirm connector count, terminal style, and column mounting location against the original part. Transfer any vehicle-specific setup details as required by the application, and follow the factory service procedure for ignition system replacement.

Quality Assurance

Standard Ignition supplies ignition components for service replacement applications, and US-845 is built to match the specified coded, column-mounted configuration for the listed Mazda Miata fitment.