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Standard Ignition GB-292 Alternator Brush Set
| Brand | Standard Ignition 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 |
| Fits | —9 vehicles |
Replacement brush set. Restores proper alternator brush contact for reliable charging performance.
Precision-sized at 3/16 in. thick and 11/32 in. wide for a proper fit.
Cross-references Standard Ignition GB-292, 241605 and 384034 for the same application. See all 9.
Alternator Brush Set for Classic European Applications
Standard Ignition GB-292 is an alternator brush set built for charging-system service on select classic Mercedes-Benz and Porsche applications. With brush dimensions of 3/16 inch thickness and 11/32 inch width, it provides the size needed for proper alternator contact and stable electrical output.
Key Features
- Alternator brush set for charging-system repair
- Thickness: 3/16 inch
- Width: 11/32 inch
- Standard Ignition GB-292 part number for easy lookup
- Cross-references Standard Ignition GB-292 and OE-style numbers such as 241605
Detailed Description
Standard Ignition GB-292 is used in alternator and generator-related electrical service where worn brushes can reduce charging performance. This part is listed for 1968-1972 Mercedes-Benz 300SEL, excluding alternator number 0120400722, and 1965-1968 Porsche 911. For buyers searching for a Mercedes-Benz 300SEL alternator brush set or a Porsche 911 charging-system brush replacement, GB-292 provides a direct service part reference.
The brush dimensions are important for maintaining consistent contact inside the alternator assembly. Matching the 3/16 inch thickness and 11/32 inch width helps ensure the brush fits the intended housing and supports proper current transfer during operation. Standard Ignition GB-292 is also referenced by interchange numbers including 241605 and 384034.
What It Helps Fix
- Low or inconsistent charging output
- Charging warning light concerns related to brush wear
- Intermittent alternator contact
- Electrical system performance issues caused by worn brushes
- Service needs on classic Mercedes-Benz 300SEL and Porsche 911 charging systems
Installation Notes and Tips
Verify alternator identification before ordering, especially on 1968-1972 Mercedes-Benz 300SEL models with the noted alternator exclusion. Compare the existing brush dimensions and housing style to GB-292 before installation. Clean the alternator contact area during service and inspect related charging components for wear while the unit is open.
Quality Assurance
Standard Ignition is a recognized name in electrical replacement parts, and GB-292 is cataloged for specific OE-style applications to support accurate parts matching.
| 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 | — |
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