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ValeoPart #: 439843

Valeo 439843 Alternator
⚙️ 9 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$890.01Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Alternator
🚗Fitment: Mercedes-Benz, Maybach S550 and S550
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Valeo 439843 Alternator
| Brand | Valeo |
| Part Number | 439843 |
| Position | Alternator |
| Voltage | 12 |
| Fan Type | Internal |
| Rotation Direction | Clockwise |
| Family | Valeo oe |
| Pulley Groove Quantity | 6 |
| Housing Material | Aluminium |
| Amperage Rating | 250 |
| 8989 | 51 |
| Technical Number | Cg25s036 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2017 | Mercedes-Benz | Maybach S550 | 4Matic | 4.7L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 250 AMP; Alternator |
| 2017 | Mercedes-Benz | S550 | 4Matic | 4.7L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 250 AMP; Alternator |
| 2017 | Mercedes-Benz | S550 | Base | 4.7L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 250 AMP; Alternator |
| 2016 | Mercedes-Benz | S550 | Base | 4.7L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 250 AMP; Alternator |
| 2016 | Mercedes-Benz | S550 | 4Matic | 4.7L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 250 AMP; Alternator |
| 2015 | Mercedes-Benz | S550 | 4Matic | 4.7L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 250 AMP; Alternator |
| 2015 | Mercedes-Benz | S550 | Base | 4.7L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 250 AMP; Alternator |
| 2014 | Mercedes-Benz | S550 | Base | 4.7L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 250 AMP; Alternator |
| 2014 | Mercedes-Benz | S550 | 4Matic | 4.7L | V8 | N/A | VALEO IS THE OE SUPPLIER FOR THIS VEHICLE; 250 AMP; Alternator |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
000906030400090603048010335117399060304906030480CG25S036
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.