Alternator for Honda Goldwing GL1800 2001-2004 - 12V 75A
Alternator for Honda Goldwing GL1800 2001-2004 - 12V 75A
SKU:400-48059
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Alternator for Honda Goldwing GL1800 2001-2004 - 12V 75A
Fits Honda Goldwing GL1800 and GL1800A, 2001-2004
This 12-volt, 75-amp alternator is a complete replacement unit built to the output and mounting specification of the original equipment fitted to the Honda Goldwing GL1800 and GL1800A from 2001 to 2004. It weighs approximately 4.55kg (10lbs), matching the original unit.
It is a direct fit replacement requiring no modification to install, and replaces the Mitsubishi-built original carrying part numbers such as A5TA7599 and A5TB1079. A higher-output 100-amp version of this alternator is also available separately for owners running heavier electrical accessory loads. As a conventional alternator it requires no ECU coding or programming to fit - simply mount, connect and belt it up in place of the original unit.
Key Features
- 12-volt, 75-amp output to factory specification
- Direct OEM fit and finish for the Honda Goldwing GL1800 and GL1800A, 2001-2004
- Approximate weight of 4.55kg (10lbs), matching the original unit
- Replaces Honda 31100-MCA-003 / 31100-MCA-700 and Mitsubishi A5TA7599 / A5TB1079 units
- Higher-output 100-amp version also available separately
Technical Specs
| Specification | Detail |
|---|---|
| Voltage | 12V |
| Amperage | 75A |
| Manufacturer | Mitsubishi |
| Weight | 4.55kg (10lbs) |
| Lester Number | 12488, 12489 |
Vehicle Fitment Guide
Years shown are the overall coverage span for this part. Please confirm against the OEM part number on your original unit before ordering.
| Make & Model | Years |
|---|---|
| Honda Goldwing GL1800 (1832cc) | 2001-2004 |
| Honda Goldwing GL1800A | 2001-2004 |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
| Part Number | Manufacturer / Brand |
|---|---|
| 31100-MCA-A41, 31100-MCA-003, 31100-MCA-700, AHGA52 | Honda |
| A5TA7599, A5TA7599ZC, A5TB1079, A5TB1079ZC | Mitsubishi |
| 12488, 12489 | Lester |
Frequently Asked Questions
Will this alternator fit without modification?
Yes, it is a direct bolt-in replacement for the Honda Goldwing GL1800 and GL1800A built between 2001 and 2004, matching the original mounting and output.
How do I check this is the right unit for my bike?
Compare the number on your original alternator against the cross reference table above - Honda 31100-MCA-003 / 31100-MCA-700 and Mitsubishi A5TA7599 / A5TB1079 are all covered by this part.
What's included?
You receive one complete alternator unit, ready to fit - no additional brackets or pulleys are required.
How do I know my old alternator has failed?
Common signs include a charge warning light staying on, a flat or slowly draining battery, or no output reading at the battery terminals with the engine running.
Is a higher output version available?
Yes, a 100-amp version of this alternator is also available separately for riders with heavier electrical loads.
Do I need to reprogram anything after fitting?
No, this is a conventional alternator with no ECU coding or programming required - it is a straightforward mechanical and electrical swap.
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