Standard Ignition

Standard Ignition FX-42A Alternator Brush Holder

Brand Standard Ignition FX-42A
Fits Ford, American Motors, and Jeep · 74 vehicles

OE-quality design. Original equipment ignition expertise with complete quality control throughout manufacturing.

High-grade materials. Built for extended service life in charging and starting systems.

Brush holder. A direct component for alternator brush support and function.

Cross-references 89057158, AF108 and C5AZ10351A for the same application. See all 4.

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Alternator Brush Holder for Ford and Jeep Applications

Standard Ignition FX-42A is an alternator brush holder for charging system service on select Ford Bronco and Jeep models. It is built with high-grade materials to support extended service life in starting and charging system repairs.

Key Features

  • Alternator brush holder for charging system repair
  • Built with high-grade materials for durability
  • Manufactured under complete quality control from component to finished part
  • Direct-fit service part for select Ford Bronco and Jeep applications
  • Standard Ignition FX-42A replacement part number for catalog lookup

Detailed Description

The Standard Ignition FX-42A alternator brush holder is a service component for alternator and generator-related repairs in electrical, charging, and starting systems. It is listed for 1970-1989 Ford Bronco applications, including 40, 60, 65 Amp and voltage regulator configurations, as well as 1976-1977 Jeep Cherokee, CJ5, CJ7, J10, J20, and Wagoneer models. If you are servicing a Ford Bronco charging system or a Jeep alternator assembly, FX-42A provides a cataloged replacement option for the original brush holder.

This part cross-references Standard Ignition FX-42A for the same application.

Common Repair Uses

  • Worn alternator brushes causing charging output loss
  • Intermittent battery charging on Ford Bronco or Jeep vehicles
  • Charging system warning light concerns tied to brush wear
  • Alternator service during generator or regulator repair
  • Electrical output issues traced to brush holder damage

Installation Notes and Tips

Verify alternator amperage and regulator configuration before installation. Confirm the vehicle application against the listed fitment for your Ford Bronco or Jeep model, and inspect related charging system components for wear or heat damage during service. Standard Ignition FX-42A is a non-electronic part and does not require SDS, battery handling, or bulb replacement.

Quality Assurance

Standard Ignition states that its starting and charging system products use high-grade materials and are manufactured with quality control maintained throughout the process from componentry to finished product.

This part fits 74 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1989FordBronco5.8LV8N/A60 or 65 Amp
1989FordBronco5.0LV8N/A60 or 65 Amp
1989FordBronco4.9LL6N/AVoltage Regulator, 40 Amp
1988FordBronco5.8LV8N/A60 or 65 Amp
1988FordBronco5.0LV8N/A60 or 65 Amp
1988FordBronco4.9LL6N/AVoltage Regulator, 40 Amp
1987FordBronco5.8LV8N/A60 or 65 Amp
1987FordBronco5.0LV8N/A60 or 65 Amp
1987FordBronco4.9LL6N/AVoltage Regulator, 40 Amp
1986FordBronco4.9LL6N/AVoltage Regulator, 40 Amp
1986FordBronco4.9LL6N/A65 Amp - Fits various models
1986FordBronco5.8LV8N/A60 or 65 Amp
1986FordBronco5.0LV8N/A60 or 65 Amp
1985FordBronco4.9LL6N/AVoltage Regulator, 40 Amp
1985FordBronco4.9LL6N/A65 Amp - Fits various models
1985FordBronco5.8LV8N/A60 or 65 Amp
1985FordBronco5.0LV8N/A60 or 65 Amp
1984FordBronco4.9LL6N/AVoltage Regulator, 40 Amp
1984FordBronco5.8LV8N/A60 or 65 Amp
1984FordBronco5.0LV8N/A60 or 65 Amp
1984FordBronco4.9LL6N/A65 Amp - Fits various models
1983FordBronco4.9LL6N/A65 Amp - Fits various models
1983FordBronco4.9LL6N/AVoltage Regulator, 40 Amp
1983FordBronco5.8LV8N/A60 or 65 Amp
1983FordBronco5.0LV8N/A60 or 65 Amp
1982FordBronco5.8LV8N/A60 or 65 Amp
1982FordBronco5.0LV8N/A60 or 65 Amp
1982FordBronco4.9LL6N/AVoltage Regulator, 40 Amp
1982FordBronco4.9LL6N/A65 Amp - Fits various models
1981FordBronco5.8LV8N/A60 or 65 Amp
1981FordBronco5.0LV8N/A60 or 65 Amp
1981FordBronco4.9LL6N/A40, 60 or 65 Amp
1980FordBronco4.9LL6N/A40, 60 or 65 Amp
1980FordBronco5.8LV8N/A60 or 65 Amp
1980FordBronco5.0LV8N/A60 or 65 Amp
1977FordBronco5.0LV8N/A
1977JeepCherokee6.6LV8N/A
1977JeepCherokee5.9LV8N/A
1977JeepCJ55.0LV8N/A
1977JeepCJ75.0LV8N/A
1977JeepJ106.6LV8N/A
1977JeepJ105.9LV8N/A
1977JeepJ206.6LV8N/A
1977JeepJ205.9LV8N/A
1977JeepWagoneer6.6LV8N/A
1977JeepWagoneer5.9LV8N/A
1976FordBronco5.0LV8N/A
1976JeepCherokee6.6LV8N/A
1976JeepCherokee5.9LV8N/A
1976JeepCJ55.0LV8N/A
1976JeepCJ75.0LV8N/A
1976JeepJ106.6LV8N/A
1976JeepJ105.9LV8N/A
1976JeepJ206.6LV8N/A
1976JeepJ205.9LV8N/A
1976JeepWagoneer6.6LV8N/A
1976JeepWagoneer5.9LV8N/A
1975FordBronco5.0LV8N/A
1974FordBronco3.3LL6N/A40, 60 or 65 Amp
1974FordBronco5.0LV8N/A40, 60 or 65 Amp
1974FordBroncoN/A40, 60 or 65 Amp
1973FordBronco3.3LL6N/A
1973FordBronco-L--N/A
1973FordBronco5.0LV8N/A
1973FordBroncoN/A
1972FordBronco2.8LL6N/A
1972FordBronco5.0LV8N/A
1972FordBroncoN/A
1971FordBronco2.8LL6N/A
1971FordBronco5.0LV8N/A
1971FordBroncoN/A
1970FordBronco2.8LL6N/A
1970FordBronco5.0LV8N/A
1970FordBroncoN/A
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
89057158AF108C5AZ10351AX319