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OE Quality
60-Day Returns
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BoschPart #: AL4121X
Bosch AL4121X Alternator
⚙️ 18 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$330.72Free 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 (Remanufactured)
🚗Fitment: Hyundai and Kia, Equus, Genesis, and K900
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Alternator options
Bosch AL4121X Alternator
| Brand | Bosch |
| Part Number | AL4121X |
| Position | Alternator (Remanufactured) |
| Voltage | 12 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 10 |
| Fan Type | Internal |
| Rotation Direction | Clockwise |
| One Wire Capable | No |
| Pulley Included | Yes |
| Pulley Groove Quantity | 6 |
| Case Color | Aluminum |
| Outside Pulley Diameter | 53.7 |
| Regulator Type | Internal |
| Case Material | Aluminum |
| Amperage Rating | 180 |
| Cases Per Pallet (ORLY) | 60 |
| New Or Remanufactured | Remanufactured |
| Original Equipment Manufacturer Names | Nd |
| Pulley Type | 6s |
| Pulley Type / Belt Type (Alternator) | 6s-cp |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Kia | K900 | 5.0L | V8 | N/A | Alternator (Remanufactured) |
| 2016 | Hyundai | Equus | 5.0L | V8 | N/A | Alternator (Remanufactured) |
| 2016 | Hyundai | Genesis | 5.0L | V8 | N/A | Alternator (Remanufactured) |
| 2016 | Kia | K900 | 5.0L | V8 | N/A | Alternator (Remanufactured) |
| 2015 | Hyundai | Equus | 5.0L | V8 | N/A | Alternator (Remanufactured) |
| 2015 | Hyundai | Genesis | 5.0L | V8 | N/A | Alternator (Remanufactured) |
| 2015 | Kia | K900 | 5.0L | V8 | N/A | Alternator (Remanufactured) |
| 2014 | Hyundai | Equus | 5.0L | V8 | N/A | Alternator (Remanufactured) |
| 2014 | Hyundai | Genesis | 5.0L | V8 | N/A | Alternator (Remanufactured) |
| 2013 | Hyundai | Equus | 5.0L | V8 | N/A | Alternator (Remanufactured) |
| 2013 | Hyundai | Genesis | 5.0L | V8 | N/A | Alternator (Remanufactured) |
| 2012 | Hyundai | Equus | 5.0L | V8 | N/A | Alternator (Remanufactured) |
| 2012 | Hyundai | Genesis | 5.0L | V8 | N/A | Alternator (Remanufactured) |
| 2012 | Hyundai | Genesis | 4.6L | V8 | N/A | Alternator (Remanufactured) |
| 2011 | Hyundai | Equus | 4.6L | V8 | N/A | Alternator (Remanufactured) |
| 2011 | Hyundai | Genesis | 4.6L | V8 | N/A | Alternator (Remanufactured) |
| 2010 | Hyundai | Genesis | 4.6L | V8 | N/A | Alternator (Remanufactured) |
| 2009 | Hyundai | Genesis | 4.6L | V8 | N/A | Alternator (Remanufactured) |
* 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:
373003F020
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.