

OEM No.
12596
Bosch: 0120484040
24V 55A 12596/0120484040 Bosch car alternator for BOSCH Universal operates at a rated voltage of 24V DC and provides a continuous output current of 55A, which are key parameters to consider for ensuring compatibility with the electrical system of BOSCH Universal engines. It is equipped with an internal voltage regulator, integrating an integrated circuit to help maintain stable voltage output, which is crucial for the reliable operation of various electrical components in the vehicle.
In terms of physical specifications, the shaft size is Ø17mm, a detail that matters when matching with corresponding pulleys or connected components. The pulley has a diameter of Ø88mm and features a single groove (A/3/8), which should align with the belt drive system of the applicable engines.
For installation, the mount pivot/adj. measures 173mm, the adjustment hole diameter is M8mm, and the pivot hole mount is Ø10.5mm. These dimensions are important to ensure proper fitting and secure attachment during installation. Additionally, the +B output is M8, which is relevant for electrical connections.
As a product designed for BOSCH Universal engines, it serves as a replacement for the original alternator, supporting maintenance and upgrades of the vehicle's electrical system. Its design focuses on compatibility, aiming to fit seamlessly into the intended engine models, and it is built to offer reliable performance over time.
ZKM31266C Common Application: BOSCH UNIVERSAL
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Voltage: |
12V |
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Amps: |
55A |
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Regulator: |
Internal |
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Shaft Size: |
Ø17mm |
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Pulley/Gooves: |
Ø88 mm/ SingleA(3/8 ) |
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Mount Piv./D |
173mm |
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Adj.Hole Dia: |
M8mm |
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Piv.Hole Mount: |
Ø10.5mm |
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+B Output: |
M8 |
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Exhaust Part: |
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OE No: |
0120484040, 0986AN0528, 9120060033, BXU2456A |
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Hella: |
LESTER: 12596 |
PIC: 220-5372 |
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A=75.0 |
B=51.0 |
C= |

Changzhou Hancheng Auto Parts Co., Ltd. is a modern industrial and trading enterprise integrating R&D, production, and sales, with many years of experience in the automotive motor industry. With 27 years of production experience, we operate under the domestic brand BAIXIN and the international brand ZEKEMARK. We have 120 distributors in China, and export to countries and regions such as South Africa, Dubai, and Thailand. Our specialty products are the BOSCH and DENSO series motors, and we also accept OEM customization.
Industry Advantages: Leveraging our own production base and global trade network, we ensure comprehensive control over the entire process, from raw material sourcing and precision manufacturing to end-user sales, ensuring consistent quality and efficient delivery. Our production workshop is equipped with automated production lines and precision testing equipment, strictly adheres to the ISO16949 quality management system, and our products have obtained multiple international certifications.

