Standard Ignition US-937 Ignition Switch

Ignition Switch for Ford and Mazda Applications

Standard Ignition US-937 is a direct-fit ignition switch for column-mounted applications that restores ignition function after the original unit fails. It is built to OE specifications for proper fit, form, and function, with tested mechanical and electrical switching performance.

Compatible With Ford E-150, E-250, E-350 Super Duty, Econoline Van, Econoline Wagon, and Ranger applications, as well as select Mazda B2300, B3000, and B4000 models. The US-937 is a practical replacement for drivers and technicians servicing ignition switch faults on these vehicles.

Key Features

• Direct-fit ignition switch replacement for column mounting
• Tested for mechanical and electrical switching performance
• OE-spec construction for proper fit, form, and function
• Robust design with high-grade materials for service use
• Female rectangular connector with 9 male blade terminals
• Black and white plastic finish with bolt-on attachment method

Detailed Product Overview

Standard Ignition US-937 is an electrically operated ignition switch engineered to replace damaged OE units and restore normal starting and accessory operation. Its direct mounting design and OE-style connector layout support accurate installation in column-mounted systems. This part number is commonly searched for Ford Ranger ignition switch replacement, Ford E-350 Super Duty ignition switch, and Mazda B2300 ignition switch service.

This part cross-references 1S10967 and 8L5Z11572A for the same application.

Common Issues This Part Can Address

• No crank or intermittent start condition caused by a worn ignition switch
• Accessory power loss when the key is turned to the run position
• Electrical switching faults inside the steering column
• Key position response problems during ignition operation
• Replacement of a damaged OE ignition switch on Ford and Mazda trucks/vans

Installation Notes and Tips

Mounting location is the steering column with direct, bolt-on attachment. Verify the connector style, terminal count, and vehicle application before installation. For 2008-2009 Mazda B2300 and B4000 applications, confirm compatibility with the vehicle's alternator before purchase. Always compare the original switch to the replacement part number US-937 and confirm the vehicle year, make, and model.

Quality Assurance

Each Standard Ignition switch is tested to verify both mechanical and electrical switching performance. The design and materials are selected to meet OE specifications and the demands of professional service work.