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MPA Electrical 13056 Alternator
| Brand | MPA Electrical 13056 |
|---|---|
| Amps | 55 Amps |
| Clock | 8:00 |
| Fan | External |
| Manufacturer | Bosch |
| Pulley | Without Pulley |
| Regulator | Internal |
| Rotation | Clockwise |
| Volts | 12 Volts |
| Product line | Remanufactured |
| Fits | Mercedes-Benz · 26 vehicles |
Remanufactured unit. Restored for dependable charging performance.
Internal regulator. Simplifies installation with fewer external components.
Bosch-built design. Engineered to match proven charging-system standards.
Cross-references Bosch 13056, Bosch 13077 and Bosch 13142 for the same application. See all 66.
Remanufactured Bosch-Style Alternator for Mercedes-Benz
MPA Electrical Part Number 13056 is a remanufactured 12-volt alternator built for Mercedes-Benz diesel applications that use a Bosch-style charging unit. It delivers 55 amps, uses an internal regulator, and is configured with clockwise rotation, external fan cooling, and no pulley.
This alternator is a direct-fit charging component for select Mercedes-Benz 300D, 300SD, and 300TD models. If you are replacing a worn charging unit on a 1975-1985 Mercedes-Benz 300D or related diesel model, Part Number 13056 provides the core electrical specifications needed for proper system operation.
Key Features
- 55 amp output for standard charging-system replacement
- 12-volt alternator configuration
- Internal voltage regulator
- External fan design
- Clockwise rotation
- Supplied without pulley
- Remanufactured Bosch application
- Part Number 13056
Fitment Details
- Fits 1981-1985 Mercedes-Benz 300D, N/A, standard with 55 amp alternator; remanufactured.
- Fits 1981-1985 Mercedes-Benz 300SD, N/A, standard with 55 amp alternator; remanufactured.
- Fits 1981-1985 Mercedes-Benz 300TD, N/A, standard with 55 amp alternator; remanufactured.
- Fits 1975-1980 Mercedes-Benz 300D, N/A, remanufactured.
- Fits 1978-1980 Mercedes-Benz 300SD, N/A, remanufactured.
- Fits 1979-1980 Mercedes-Benz 300TD, N/A, remanufactured.
What This Alternator Helps Address
- Low battery charging caused by a failing alternator
- Dim lights or electrical instability at idle
- Charging-system warning symptoms from worn internal components
- Noise or performance issues from an aging generator assembly
- Replacement needs for Bosch-based Mercedes-Benz diesel charging systems
Installation Notes and Tips
Verify the existing unit matches the 55 amp, 12-volt, internal-regulator, clockwise-rotation configuration before installation. Because this alternator is supplied without a pulley, confirm pulley transfer or replacement requirements against the vehicle’s original setup. Cross-reference part numbers include Bosch 13056 and Bosch 13077 for the same application.
Quality Assurance
MPA Electrical remanufactured parts are rebuilt for charging-system replacement use and matched to the listed Bosch-style application details. This part number is 13056.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1985 | Mercedes-Benz | 300D | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1985 | Mercedes-Benz | 300SD | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1985 | Mercedes-Benz | 300TD | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1984 | Mercedes-Benz | 300D | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1984 | Mercedes-Benz | 300SD | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1984 | Mercedes-Benz | 300TD | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1983 | Mercedes-Benz | 300D | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1983 | Mercedes-Benz | 300SD | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1983 | Mercedes-Benz | 300TD | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1982 | Mercedes-Benz | 300D | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1982 | Mercedes-Benz | 300SD | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1982 | Mercedes-Benz | 300TD | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1981 | Mercedes-Benz | 300D | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1981 | Mercedes-Benz | 300SD | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1981 | Mercedes-Benz | 300TD | 3.0L | L5 | N/A | Standard, w/ 55 Amp Alt.; Remanufactured |
| 1980 | Mercedes-Benz | 300D | 3.0L | L5 | N/A | Remanufactured |
| 1980 | Mercedes-Benz | 300SD | 3.0L | L5 | N/A | Remanufactured |
| 1980 | Mercedes-Benz | 300TD | 3.0L | L5 | N/A | Remanufactured |
| 1979 | Mercedes-Benz | 300D | 3.0L | L5 | N/A | Remanufactured |
| 1979 | Mercedes-Benz | 300SD | 3.0L | L5 | N/A | Remanufactured |
| 1979 | Mercedes-Benz | 300TD | 3.0L | L5 | N/A | Remanufactured |
| 1978 | Mercedes-Benz | 300D | 3.0L | L5 | N/A | Remanufactured |
| 1978 | Mercedes-Benz | 300SD | 3.0L | L5 | N/A | Remanufactured |
| 1977 | Mercedes-Benz | 300D | 3.0L | L5 | N/A | Remanufactured |
| 1976 | Mercedes-Benz | 300D | 3.0L | L5 | N/A | Remanufactured |
| 1975 | Mercedes-Benz | 300D | 3.0L | L5 | N/A | Remanufactured |
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