

OEM No.
WPS: 12168N, 12373N
JOHN: AE52707, AE53101, AH165975, AL78689, AL78692
DEERE: AL81438, AT185951, AT78689, RE533654,
SE501343, SE502628, TY24486, TY6777, TY6793
Bosch:
0120484012, 0120484017, 0120484019,
0120484027, 0120484051, 0986039810,
1020484017, 9120060042, F005A00025
The 12V 120A 12373/0120484027 Bosch car alternator for Cummins 5.9L Diesel JOHN DEERE Combines 9540 is engineered specifically for Cummins 5.9L Diesel JOHN DEERE Combines 9540, delivering reliable power to support the vehicle’s electrical system. Operating at a steady 12V DC with a continuous output current of 120A, it ensures consistent energy supply for critical components like lights, ignition systems, and on-board electronics, even under heavy loads.
Built to Bosch’s rigorous standards, this alternator integrates a durable internal voltage regulator, which stabilizes output to prevent overcharging and protect sensitive electrical parts. Its design prioritizes compatibility with the JOHN DEERE 9540’s engine specifications, making it an ideal replacement for aging or faulty original alternators.
Key mechanical specifications enhance its functionality: the shaft size measures Ø17mm, ensuring a precise fit with existing pulleys, while the pulley/grooves configuration (Ø59mm/8PK) aligns seamlessly with the engine’s belt system for efficient power transfer. The mount features a pivoting/adjusting distance of 173mm, with an adjustment hole diameter of M8 and a pivot hole mount of Ø10.5mm, facilitating straightforward installation and alignment during setup.
The +B output, fitted with an M8 terminal, ensures secure electrical connection, minimizing voltage drops and maintaining stable performance. Whether for replacement of original factory parts or upgrading the electrical system, this alternator offers long-term reliability, reducing the need for frequent maintenance.
Designed to withstand the demands of agricultural and heavy-duty operations, it balances durability with consistent performance, making it a practical choice for keeping JOHN DEERE 9540 combines running smoothly.
ZKM31266 Common Application: Cummins 5.9L Diesel JOHN DEERE Combines 9540
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Voltage: |
12V |
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Amps: |
120A |
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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: |
0120484027, AH165975, AL81438, AL78689 |
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Hella: CA1068IR |
LESTER: 12373 |
PIC: 220-386B |
LRA02698 |
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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. OEM 12V 120A 12373/0120484027 Bosch car alternator for Cummins 5.9L Diesel JOHN DEERE Combines 9540. 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.

Copyright © 2025 Changzhou Hancheng Auto Parts Co., Ltd. All Rights Reserved.
12V 120A 12373/0120484027 Bosch car alternator for Cummins 5.9L Diesel JOHN DEERE Combines 9540
