OEX Alternator 12V 20A Kokusan Denki Style KXA9150

The OEX alternator listed here is a 12V, 20A unit in Kokusan Denki style, identified by part number KXA9150. It is a new alternator, supplied each, and uses an external regulator with a single-leg mount.

This unit is specified as brushless with a permanent magnet design, which are important identifiers when matching the replacement to the original charging setup. The rated output is 20 amp at 12 volts, so the electrical load expectations should be checked against the original unit before ordering.

For buyers replacing a Kokusan Denki style alternator, the most useful checks are the part number KXA9150, the 12V system voltage, the 20A power rating, and the single-leg alternator mount. Those details matter more than general appearance when confirming the correct replacement.

Key Features

• 12V alternator
• 20A power rating
• Kokusan Denki style
• External regulator
• Single-leg mount
• Brushless design

Specifications

• Brand: OEX
• Part No.: KXA9150
• Type: Alternator
• Voltage: 12
• Power Rating: 20 amp
• Regulator Type: External
• Alternator Mount: Single Leg
• New / Reman.: New

Verified application references

• Jacobsen 628
• Jacobsen 628 2013
• John Deere 3375
• John Deere 375
• John Deere 4115
• John Deere 425
• John Deere 445
• John Deere 455

Application and Buying Notes

Before ordering, compare the existing alternator against KXA9150 and confirm the vehicle or equipment uses a 12V charging system with a 20A alternator. The mounting style is listed as single leg, and the regulator type is external, so those physical and electrical details need to line up with the replacement unit.

This alternator is described as Kokusan Denki style and suits unit make Kokusan Denki. That makes the original alternator identification especially important if you are replacing a unit that has already been removed. The part number is the clearest reference point, followed by the voltage, amperage, mount type, and regulator arrangement.

The listed fitment references cover a range of equipment names and model references, including Jacobsen, John Deere, Kubota RTV1100, Thermo King KD-I, Toro Groundsmaster 7210, and selected Yanmar applications. Use those references only as guidance and confirm against the actual machine, wiring, and mounting points before purchase.

If the original alternator has a different regulator setup, mounting ear arrangement, or output rating, do not assume this unit will be interchangeable. Even within the same equipment family, alternators can differ by charge output and regulator style, so checking the physical unit and the part number remains the safest approach.

Before supply, the safest approach is to confirm the original unit details against the listed part number, voltage, output rating, mounting arrangement, and pulley configuration. That checking process is standard practice in the parts trade because visually similar units can still differ in service-critical ways.

For workshop, fleet, and equipment applications, accurate identification of part number KXA9150 helps avoid unnecessary freight, additional labour, and vehicle or machine downtime. Where the application is not straightforward, the original unit, OEM reference, or workshop records should be used as the primary confirmation point.

Relevant published details for this unit include Type ALTERNATOR, Unit of Measure EACH, Warranty 3yr Passenger 1yr Commercial, Regulator Type External, Voltage 12, New / Reman. New, Product Group 1 ROTATING ELECTRICAL, Part No. KXA9150, Brand OEX, Description OEX Alternator 12V 20A Kokusan Denki Style.

Additional published details for cross-checking include Power Rating (Amp) 20, Suits Unit Make Kokusan Denki, Alternator Mount Single Leg, Product Group 2 ALTERNATORS.

OEX Alternator 12V 20A Kokusan Denki Style. Part number KXA9150 should be checked first. Listed voltage is 12. Listed output rating is 20. These details form the core reference points used by parts interpreters when confirming the correct replacement.

Mount style is Single Leg. Regulator type is External. Those physical and electrical details should line up with the original unit before the replacement is approved for fitment.

For part number KXA9150, the normal identification sequence is part number, electrical rating, mounting arrangement, connector or terminal style, and pulley or drive details. Using those checkpoints helps confirm that the listed unit matches the service requirement rather than only looking similar.

For a alternator in workshop, fleet, trade, agricultural, or construction service, the listed voltage 12 and output 20 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Compatibility note: Confirm fitment with part number KXA9150, the 12V 20A specification, external regulator type, and single-leg mount before ordering. The listed equipment references are helpful guides, but final compatibility should always be checked against the original alternator and application details.

FAQ

What is the part number for this alternator?

The part number listed is KXA9150. For this listing, part number KXA9150 is the main reference point. Listed voltage is 12. Listed output rating is 20. Published fitment references include JACOBSEN 628, JACOBSEN 628 2013, JOHN DEERE 3375. These details should still be checked against the original unit before ordering.

Is this alternator new or remanufactured?

It is listed as new, not remanufactured. For this listing, part number KXA9150 is the main reference point. Listed voltage is 12. Listed output rating is 20. Published fitment references include JACOBSEN 628, JACOBSEN 628 2013, JOHN DEERE 3375. These details should still be checked against the original unit before ordering.

What voltage and output does it have?

It is a 12V alternator with a 20A power rating. For this listing, part number KXA9150 is the main reference point. Listed voltage is 12. Listed output rating is 20. Published fitment references include JACOBSEN 628, JACOBSEN 628 2013, JOHN DEERE 3375. These details should still be checked against the original unit before ordering.

What regulator type does it use?

It uses an external regulator. For this listing, part number KXA9150 is the main reference point. Listed voltage is 12. Listed output rating is 20. Published fitment references include JACOBSEN 628, JACOBSEN 628 2013, JOHN DEERE 3375. These details should still be checked against the original unit before ordering.

What mount style is listed?

The alternator mount is listed as single leg. For this listing, part number KXA9150 is the main reference point. Listed voltage is 12. Listed output rating is 20. Published fitment references include JACOBSEN 628, JACOBSEN 628 2013, JOHN DEERE 3375. These details should still be checked against the original unit before ordering.

What should I check before buying?

Check the part number KXA9150, confirm the machine uses a 12V system, verify the 20A output, and compare the external regulator and single-leg mount to the original alternator. For this listing, part number KXA9150 is the main reference point. Listed voltage is 12. Listed output rating is 20. Published fitment references include JACOBSEN 628, JACOBSEN 628 2013, JOHN DEERE 3375. These details should still be checked against the original unit before ordering.