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Description
The 8439 is a 12v 115 amp alternator, a new aftermarket direct replacement engineered to match the fit, form, and function of the original alternator.
Specifications:
- Voltage: 12V
- Output: 115 amp
Vehicle Compatibility:
- Makes: Ford (2004)
- Models include: Ford Focus
- Confirm exact fitment with your year, make, and model before ordering.
Cross-Reference / Interchange Numbers:
- Replaces / compatible with: 1S7T-10300-AA, 1S7Z-10346-AA, 1S7Z-10346-AARM, 1S7Z-10346-AB, 213-3194G, 8439, 90-02-5168, GL-594.
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 | 115 |
|---|---|
| Voltage | 12 |
| Type | Alternator |
| Design | IR/IF |
| Rotation | CW |
| Manufacturer | FORD |
| Series | RC28 |
| Pulley | SC6 |
| Pulley groove OD | 0 |
| Plug code | 337 |
| Plug clock | 3 |
| Lester number | 8439 |
| PIC code | 250-279 |
| Notes | This is a Ford RC28 Series Alternator for the 2003-04 Ford Focus 2.3L w/MT. This Alternator is Built By Visteon in India. |
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 |
|---|---|---|---|---|
| Ford Car | Focus | L4 2.3L 140cid | 2004–2004 | Car · domestic |
| Ford | Focus | — | 2004–2004 | domestic |
Cross-reference
OEM and aftermarket part numbers that interchange with this unit, from the ePartsGlobal catalog.
WAI New8439N
Ford1S7T-10300-AA, 1S7Z-10346-AA, 1S7Z-10346-AARM
Ford Engineering1S7T-AA
Lester8439
MotorcraftGL-594





