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Description
The 12359 is a 12v 50 amp alternator, a new aftermarket direct replacement engineered to match the fit, form, and function of the original alternator.
Specifications:
- Voltage: 12V
- Output: 50 amp
- Rotation: Clockwise (CW)
Vehicle Compatibility:
- Makes: Mariner, Mercury (1998-2000)
- Models include: Mercury 200CXXL Optimax; Mariner 225 DFI; Mercury 225XXL Optimax; Mercury 200L Optimax; Mercury 200XXL Optimax; Mariner 200 DFI
- Confirm exact fitment with your year, make, and model before ordering.
Cross-Reference / Interchange Numbers:
- Replaces / compatible with: 101211-3380, 101211-3380, 12359, 70-29-12359, 828506.
Why ePartsGlobal: specialist in heavy-duty starters, alternators, and charging-system electrical parts. Backed by a 1-year warranty, free shipping on orders over $19.95, and fast fulfillment. Ships from USA.
Specifications
| Output | 50 |
|---|---|
| Voltage | 12 |
| Type | Alternator |
| Design | IR/IF |
| Rotation | CW |
| Manufacturer | DENSO |
| Pulley | S4 |
| Pulley groove OD | 50 |
| Plug code | 280 |
| Plug clock | 9 |
| Lester number | 12359 |
| PIC code | 290-466 |
| Notes | Mercury Marine Supersedes This to the Delco 8471 (5SI; PIC 240-6318). |
Confirmed fitment
Verified applications from the ePartsGlobal catalog. If your engine isn't listed, send us the OEM part number and we'll cross-reference it.
| Make | Model | Engine | Years | Application |
|---|---|---|---|---|
| Mariner Engine - Marine | 200 (DFI) All | — | — | Engine - Marine · domestic |
| Mariner Engine - Marine | 225 (DFI) All | — | — | Engine - Marine · domestic |
| Mercury Engine - Marine | 200CXL Optimax | 3.0L - 185.0ci - 200 H.P. | 1998–2000 | Engine - Marine · domestic |
| Mercury Engine - Marine | 200CXXL Optimax | 3.0L - 185.0ci - 200 H.P. | 1998–2000 | Engine - Marine · domestic |
| Mercury Engine - Marine | 200L Optimax | 3.0L - 185.0ci - 200 H.P. | 1998–2000 | Engine - Marine · domestic |
| Mercury Engine - Marine | 200XL Optimax | 3.0L - 185.0ci - 200 H.P. | 1998–2000 | Engine - Marine · domestic |
| Mercury Engine - Marine | 200XXL Optimax | 3.0L - 185.0ci - 200 H.P. | 1998–2000 | Engine - Marine · domestic |
| Mercury Engine - Marine | 225CXL Optimax | 3.0L - 185.0ci - 225 H.P. | 1998–2000 | Engine - Marine · domestic |
| Mercury Engine - Marine | 225CXXL Optimax | 3.0L - 185.0ci - 225 H.P. | 1998–2000 | Engine - Marine · domestic |
| Mercury Engine - Marine | 225L Optimax | 3.0L - 185.0ci - 225 H.P. | 1998–2000 | Engine - Marine · domestic |
| Mercury Engine - Marine | 225XL Optimax | 3.0L - 185.0ci - 225 H.P. | 1998–2000 | Engine - Marine · domestic |
| Mercury Engine - Marine | 225XXL Optimax | 3.0L - 185.0ci - 225 H.P. | 1998–2000 | Engine - Marine · domestic |
| Mercury | 200CXL Optimax | — | 1998–2000 | domestic |
| Mercury | 200CXXL Optimax | — | 1998–2000 | domestic |
| Mercury | 200L Optimax | — | 1998–2000 | domestic |
| Mercury | 200XL Optimax | — | 1998–2000 | domestic |
| Mercury | 200XXL Optimax | — | 1998–2000 | domestic |
| Mercury | 225CXL Optimax | — | 1998–2000 | domestic |
| Mercury | 225CXXL Optimax | — | 1998–2000 | domestic |
| Mercury | 225L Optimax | — | 1998–2000 | domestic |
| Mercury | 225XL Optimax | — | 1998–2000 | domestic |
| Mercury | 225XXL Optimax | — | 1998–2000 | domestic |
Cross-reference
OEM and aftermarket part numbers that interchange with this unit, from the ePartsGlobal catalog.
WAI New12359N
Arco20850
Denso101211-3380
Lester12359
Mallory9-19204
Mercury Marine828506
ProtorquePH300-0021





