

OEM No.
WPS: 12440N, 12587N
JOHN: AT175195, AT221116, AT228217, RE161324
DEERE: RE507631, RE537146, SE501341
Bosch: 0120488298, 9120060039
The 24V 55A 12587/0120488298 Bosch car alternator for JOHN DEERE MARINE 6068TFM75 Komatsu S6D102 is a high-quality replacement part engineered to meet the demanding electrical needs of the JOHN DEERE MARINE 6068TFM75 and Komatsu S6D102 engine series. With a rated operating voltage of 24V DC and a continuous output current of 55A, it delivers consistent power to support the electrical systems of commercial and passenger vehicles, ensuring reliable operation even under heavy loads.
Equipped with an internal voltage regulator, this alternator maintains stable voltage output, protecting sensitive electrical components from voltage fluctuations. Its precise design includes a shaft size of Ø17mm, a pulley with Ø59mm diameter and 8PK grooves, ensuring compatibility with the original engine's belt drive system for seamless installation. The mounting configuration features a pivot/adjacent distance of 173mm, an adjustment hole diameter of M8mm, and a pivot hole mount of Ø10.5mm, aligning perfectly with the mounting points of the target engines.
Designed as a direct replacement for the original equipment, this Bosch alternator offers strong compatibility, making it ideal for both maintenance and upgrade projects. It ensures long-term reliability with durable construction, built to withstand the harsh operating conditions of marine and industrial applications. The +B output with M8 specification provides a secure connection to the vehicle's electrical system, further enhancing its performance stability.
Whether used in JOHN DEERE MARINE 6068TFM75 or Komatsu S6D102 engines, this alternator guarantees easy installation, minimal maintenance, and consistent performance, making it a trustworthy choice for keeping your vehicle's electrical system running smoothly.
ZKM31266D Common Application: JOHN DEERE MARINE 6068TFM75 Komatsu S6D102
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Voltage: |
24V |
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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: |
Ø59mm/8PK |
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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: |
0120488298, 0120488206, AT228217, TY24322 |
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Hella: |
LESTER: 12587 |
PIC: 220-378B |
LRA02495 |
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A=75.0 |
B=51.0 |
C= |
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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.

