Part #: FH43

Standard Ignition FH43 Circuit Breaker

⚙️ 39 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Nissan, Maxima, Murano, Pathfinder, and Altima
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Reliable Circuit Breaker for Nissan and Infiniti Vehicles

The Standard Ignition FH43 circuit breaker is designed to provide dependable electrical protection for select Nissan and Infiniti models. Engineered with a 12-volt rating and multiple blade terminals, this component ensures consistent performance in your vehicle's electrical system.

  • Compatible with Nissan Altima, JX35, Maxima, Murano, Pathfinder, and Infiniti QX60
  • 12-volt circuit breaker with five blade terminals
  • Female connector with five rectangular connectors for secure fitment
  • Includes five fuses integrated within the unit
  • Terminal configuration: three male blade terminals for reliable connectivity

Technical Specifications and Features

The FH43 circuit breaker from Standard Ignition features a female connector housing with five rectangular connectors, designed to interface seamlessly with the vehicle’s wiring harness. It includes five blade-type terminals, all male, which provide a secure and stable electrical connection. Rated for 12 volts, this circuit breaker is suitable for the electrical systems of Nissan and Infiniti vehicles listed in the fitment. The inclusion of five fuses within the unit offers multiple points of circuit protection, helping to prevent electrical overloads and potential damage.

Compatible Nissan and Infiniti Models

This circuit breaker is compatible with a range of Nissan and Infiniti vehicles, including the Nissan Altima, JX35, Maxima, Murano, Pathfinder, and the Infiniti QX60. When replacing electrical components in these models, using the Standard Ignition FH43 ensures proper fit and function, maintaining the integrity of the vehicle’s electrical system.

Common Applications and Problem Resolution

  • Protects against electrical overloads in lighting and body circuits
  • Prevents frequent fuse blowouts in Nissan Altima and Maxima models
  • Resolves intermittent electrical failures in Infiniti QX60 and Nissan Pathfinder
  • Maintains circuit integrity in vehicles with aging wiring harnesses
  • Supports stable operation of flasher units and other electrical accessories

Installation Notes and Tips

Installation of the FH43 circuit breaker requires disconnecting the vehicle battery to ensure safety. Verify the connector orientation matches the female rectangular connector with five terminals. Ensure all blade terminals are fully seated to avoid loose connections. It is recommended to inspect related wiring and connectors for corrosion or damage during replacement. Professional installation is advised for optimal results.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The FH43 circuit breaker undergoes rigorous quality control testing to maintain consistent electrical protection. Warranty coverage details should be confirmed with the product documentation or supplier, typically offering limited warranty against defects in material and workmanship.

BrandStandard Ignition
Part NumberFH43
Connector GenderFemale
Connector ShapeRectangular
Number of Fuses5
Terminal GenderMale + Male + Male
Terminal TypeBlade
Voltage12

This part fits 39 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2023NissanMaximaN/A
2023NissanMuranoN/A
2022NissanMaximaN/A
2022NissanMuranoN/A
2021NissanMaximaN/A
2021NissanMuranoN/A
2020INFINITIQX603.5LV6N/A
2020NissanMaxima3.5LV6N/A
2020NissanMuranoN/A
2020NissanPathfinderN/A
2019INFINITIQX603.5LV6N/A
2019NissanMaxima3.5LV6N/A
2019NissanMuranoN/A
2019NissanPathfinder3.5LV6N/A
2018INFINITIQX603.5LV6N/A
2018NissanAltimaN/A
2018NissanMaxima3.5LV6N/A
2018NissanMurano3.5LV6N/A
2018NissanPathfinder3.5LV6N/A
2017INFINITIQX603.5LV6N/A
2017NissanAltimaN/A
2017NissanMaxima3.5LV6N/A
2017NissanMurano3.5LV6N/A
2017NissanPathfinder3.5LV6N/A
2016INFINITIQX603.5LV6N/A
2016NissanAltimaN/A
2016NissanMaxima3.5LV6N/A
2016NissanMurano3.5LV6N/A
2016NissanPathfinder3.5LV6N/A
2015INFINITIQX603.5LV6N/A
2015NissanAltimaN/A
2015NissanMurano3.5LV6N/A
2015NissanPathfinderN/A5 Blade
2014INFINITIQX603.5LV6N/A
2014NissanAltimaN/A
2014NissanPathfinderN/A5 Blade
2013INFINITIJX35N/A
2013NissanAltimaN/A
2013NissanPathfinderN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

243803JA1A926-00192600011FB6301FH152

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.