Part #: 7740

Standard Ignition GB-292 Alternator Brush Set

⚙️ 9 vehicles fit this part
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Reliable Alternator Brush Set for Mercedes-Benz 300SEL and Porsche 911

The Standard Ignition GB-292 alternator brush set is designed to maintain optimal electrical performance in your Mercedes-Benz 300SEL or Porsche 911. Engineered with precise dimensions, this brush set ensures consistent contact and efficient current transfer within the alternator.

Key Features of the Standard Ignition GB-292 Alternator Brush Set

  • Thickness: 3/16 inches for durable wear resistance
  • Width: 11/32 inches to fit alternator brush holders accurately
  • Compatible with Mercedes-Benz 300SEL and Porsche 911 alternators
  • Manufactured by Standard Ignition, a trusted name in electrical components
  • Part number GB-292 for easy identification and replacement

Detailed Description of the GB-292 Alternator Brush Set

This alternator brush set features brushes with a thickness of 3/16 inches and a width of 11/32 inches, dimensions critical for maintaining proper electrical contact within the alternator assembly. The brushes are designed to wear evenly, providing consistent electrical conductivity and reducing the risk of alternator failure. The GB-292 is specifically engineered for use in Mercedes-Benz 300SEL and Porsche 911 models, ensuring compatibility and reliable performance in these vehicles' charging systems.

Common Applications and Issues Addressed

  • Restores proper alternator function by replacing worn brushes
  • Prevents intermittent charging problems and electrical shorts
  • Reduces alternator noise caused by brush wear
  • Helps maintain battery charge stability in Mercedes-Benz 300SEL and Porsche 911
  • Addresses poor electrical contact leading to dimming lights or starting issues

Installation Notes and Tips

  • Ensure the alternator is disconnected from the battery before installation
  • Inspect the brush holder and commutator for wear or damage prior to replacement
  • Use the exact thickness (3/16 inches) and width (11/32 inches) brushes to maintain proper fit
  • Clean the alternator components to remove dust and debris for optimal brush contact
  • Follow vehicle-specific service manual instructions for alternator disassembly and reassembly

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The GB-292 alternator brush set undergoes rigorous quality control to maintain consistent dimensions and material integrity. While specific warranty details may vary, Standard Ignition typically offers coverage against manufacturing defects to provide confidence in your replacement part.

BrandNGK
Part Number7740
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialPlatinum
Electrical Terminal TypeNon-Removable Nut
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignStandard
Hex Size5/8
Insulator Height53.00
Manufacturer Heat Range5
Part NumberPTR5C-13
Pre-Gap Size.052
Reach.708
Resistance5000
Seat TypeTapered
Stock Number7740
Thread Diameter14.00

This part fits 9 vehicles. Search below:

YearMakeModelPositionNotes
1972Mercedes-Benz300SELN/AExc. Alt. No. 0120400722
1971Mercedes-Benz300SELN/AExc. Alt. No. 0120400722
1970Mercedes-Benz300SELN/AExc. Alt. No. 0120400722
1969Mercedes-Benz300SELN/AExc. Alt. No. 0120400722
1968Mercedes-Benz300SELN/AExc. Alt. No. 0120400722
1968Porsche911N/A
1967Porsche911N/A
1966Porsche911N/A
1965Porsche911N/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:

1255618312561466125715351844038T251640482516571541-81041-81241-91941-93141-93641-93741-94241-94341-94841-95041-96341-98041-987451147135070774079637963-2810381118113AGSF22WMAGSF32FECAGSF32FMAGSF32FMF6AGSF32PMAGSF32WMAPP104HR6DPP33XHR7DPP33VHR7DPP33YIT16TTPT16EPR-C13PT16EPR-L13PT16TTRS12PYPB5SP-521SP432SP433SP439ASP479SP493

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