Standard Ignition FH55 Circuit Breaker

Standard Ignition FH55 Circuit Breaker

The Standard Ignition FH55 is a 12-volt circuit breaker built for Ford F-150 and Lincoln Mark LT applications from 2011-2014. It uses a plug-in, female connector design with male screw terminals for a direct electrical connection in the vehicle’s power distribution system.

Key Features

• 12V circuit breaker for automotive electrical protection
• Amperage rating: 125A and 250A
• Plug-in connector type with square female connector housing
• Male screw terminals for secure attachment
• ABS plastic housing helps protect against harsh under-hood temperatures
• Stainless steel contacts help resist corrosion and support long-term durability
• Polycarbonate protection for the integrated fuse
• Manufactured in a TS16949 and ISO9001 certified facility

Detailed Description

Standard Ignition FH55 is a replacement circuit breaker engineered for electrical circuits that require high-current protection in demanding vehicle environments. The ABS housing is built to handle severe under-hood conditions, while stainless steel contacts are used to support reliable conductivity and reduce corrosion over time. The integrated fuse is protected by polycarbonate plastic for added durability.

This part cross-references Dorman - OE Solutions 926-010 for the same application. It is a direct-fit option for 2011-2014 Ford F-150 and 2011-2014 Lincoln Mark LT electrical systems, and the FH55 part number is commonly searched by buyers looking for a Ford F-150 circuit breaker or Lincoln Mark LT circuit breaker replacement.

What It Helps Solve

• Intermittent power loss in protected electrical circuits
• Overcurrent protection issues in high-amperage vehicle systems
• Corrosion-related connection problems at the breaker contacts
• Heat-related housing wear in under-hood locations
• Replacement needs for a damaged or failed FH55 circuit breaker

Installation Notes and Tips

Verify connector shape, terminal style, voltage, and amperage rating before installation. Match the plug-in female connector and male screw terminal layout to the original part, and confirm the vehicle application against the existing breaker location in the power distribution system. For 2011-2014 Ford F-150 and 2011-2014 Lincoln Mark LT service work, compare the original breaker markings to FH55 before replacement.

Quality Assurance

Standard Ignition manufactures this circuit breaker in a TS16949 and ISO9001 certified facility, supporting consistent production and quality control for automotive electrical replacement parts.