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Standard Ignition GB-292 Alternator Brush Set
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.
| Brand | NGK |
| Part Number | 7740 |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Platinum |
| Electrical Terminal Type | Non-Removable Nut |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Standard |
| Hex Size | 5/8 |
| Insulator Height | 53.00 |
| Manufacturer Heat Range | 5 |
| Part Number | PTR5C-13 |
| Pre-Gap Size | .052 |
| Reach | .708 |
| Resistance | 5000 |
| Seat Type | Tapered |
| Stock Number | 7740 |
| Thread Diameter | 14.00 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1972 | Mercedes-Benz | 300SEL | N/A | Exc. Alt. No. 0120400722 |
| 1971 | Mercedes-Benz | 300SEL | N/A | Exc. Alt. No. 0120400722 |
| 1970 | Mercedes-Benz | 300SEL | N/A | Exc. Alt. No. 0120400722 |
| 1969 | Mercedes-Benz | 300SEL | N/A | Exc. Alt. No. 0120400722 |
| 1968 | Mercedes-Benz | 300SEL | N/A | Exc. Alt. No. 0120400722 |
| 1968 | Porsche | 911 | N/A | |
| 1967 | Porsche | 911 | N/A | |
| 1966 | Porsche | 911 | N/A | |
| 1965 | Porsche | 911 | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.