Alternator for Honda BF175 BF200 BF225 BF250 Outboard 12V 90A - Replaces 31630-ZY3-003
Alternator for Honda BF175 BF200 BF225 BF250 Outboard 12V 90A - Replaces 31630-ZY3-003
SKU:REC31630-ZY3-003
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Alternator for Honda BF175, BF200, BF225 & BF250 Outboards
Replaces Honda 31630-ZY3-003 / 31630-ZY3-013 | 12V | 90A
A new aftermarket 12V 90A alternator for Honda BF175, BF200, BF225 and BF250 four-stroke outboards, built as a direct replacement for Honda 31630-ZY3-003 and 31630-ZY3-013. It has an internal regulator and internal fan, with a 6-groove pulley (62mm OD) fitted.
On a large outboard the alternator feeds the engine electronics as well as the batteries, so a failing unit can show as low-voltage alarms, flat start batteries after a day out, or a charge reading that drops at tick-over.
Key Features
- 100% new aftermarket unit - not a remanufactured core, no core charge
- Direct-fit replacement for Honda 31630-ZY3-003 / -013
- 90A output, internal regulator and internal fan
- 6-groove pulley (62mm OD) fitted
- Denso-style construction
Technical Specs
| Specification | Detail |
|---|---|
| Component | Alternator |
| Voltage | 12 Volts |
| Output | 90 Amps |
| Rotation | CW (clockwise) |
| Pulley | 6-groove (S6), 62mm OD |
| Regulator | Internal (IR) |
| Fan | Internal (IF) |
| Condition | New aftermarket |
| Warranty | 12 months |
| Delivery | 5-7 working days |
Application / Fitment Guide
| Make | Application |
|---|---|
| Honda | BF175 outboard |
| Honda | BF200 outboard |
| Honda | BF225 outboard |
| Honda | BF250 outboard |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only and remain the property of their respective manufacturers.
| Part Number | Manufacturer / Brand |
|---|---|
| 31630-ZY3-003, 31630-ZY3-013 | Honda |
| 102211-2750 | Denso |
| 12757 | Lester |
| 400-52192 | Aftermarket reference |
Frequently Asked Questions
How do I confirm this alternator fits my outboard?
Check the Honda part number on your existing alternator against the cross-reference table, and confirm the 6-groove pulley. If unsure, send us your engine model and serial number and we will confirm before you order.
Why does delivery take 5-7 working days?
This part is shipped to us from our European warehouse in Spain rather than held on the shelf in the UK. We dispatch it to you as soon as it arrives.
Do I need to transfer anything from the old unit?
The pulley is already fitted. Reuse your mounting bolts and connector; check the drive belt condition while it is off.
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