HomeElectrical, Charging and Starting > Alternator / Generator and Related ComponentsStandard Ignition FX-42A Alternator Brush Holder
Part #: FX-42A

Standard Ignition FX-42A Alternator Brush Holder

74 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, American Motors, and Jeep, Bronco, AMX, Concord, Matador, Pacer, Hornet, Cherokee, CJ5, CJ7, J10, J20, and Wagoneer
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Reliable Alternator Brush Holder for Ford and Jeep Vehicles

The Standard Ignition FX-42A alternator brush holder is designed to provide consistent electrical contact and reliable performance for your vehicle's charging system. Compatible with select Ford and Jeep models, this component ensures your alternator operates efficiently under various driving conditions.

  • Compatible with Ford Bronco, Jeep Cherokee, CJ5, CJ7, J10, J20, and Wagoneer models
  • Durable construction for long-lasting alternator performance
  • Direct replacement for worn or damaged alternator brush holders
  • Part number FX-42A for precise identification and fitment
  • Maintains proper brush alignment to optimize electrical contact

Product Details and Compatibility

The FX-42A alternator brush holder by Standard Ignition is engineered to meet OEM specifications for a range of Ford and Jeep vehicles, including the Bronco, Cherokee, CJ5, CJ7, J10, J20, and Wagoneer. This part plays a critical role in maintaining the alternator's ability to generate electrical power by holding the brushes in place and ensuring consistent contact with the rotating slip rings. Proper brush holder function is essential for stable voltage output and overall charging system reliability.

Common Applications and Issues Addressed

  • Resolves intermittent charging problems caused by worn brush holders
  • Eliminates electrical noise and poor alternator performance
  • Prevents alternator failure due to brush misalignment or excessive wear
  • Restores proper brush tension and contact for consistent power generation
  • Addresses charging system faults in Ford Bronco and Jeep Cherokee alternators

Installation Notes and Tips

When installing the Standard Ignition FX-42A alternator brush holder, ensure the alternator is fully disconnected from the battery to avoid electrical hazards. Carefully remove the old brush holder and inspect the brushes and slip rings for wear or damage. Clean the slip rings before installing the new brush holder to ensure optimal contact. Verify brush tension and alignment during installation to maintain proper electrical connection and prevent premature wear.

Quality Assurance and Warranty Information

Standard Ignition manufactures the FX-42A alternator brush holder to meet strict quality standards, ensuring reliable performance and durability. This part is backed by Standard Ignition's limited warranty, providing coverage against defects in materials and workmanship under normal use. Refer to the warranty documentation for specific terms and conditions.

This part fits 74 vehicles. Search below:

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

* 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:

89057158AF108C5AZ10351AX319

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