/live/media/WW/WW_11378N_Fro.jpg)
OE Quality
60-Day Returns
/live/media/WW/WW_11378N_Fro.jpg)
/live/media/WW/WW_11378N_Bac.jpg)
WAIPart #: 11378N
WAI 11378N Alternator
⚙️ 11 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$295.87Free 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
🚗Fitment: Dodge and Ram, 2500, 3500, Ram 2500, and Ram 3500
🔄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
WAI 11378N Alternator
| Brand | WAI |
| Part Number | 11378N |
| 12 | 12 |
| Fan Type | Internal |
| Rotation Direction | Clockwise (right) |
| Pulley Included | Yes |
| Family | Denso |
| Pulley Groove Quantity | 8 |
| Pulley Belt Type | Serpentine |
| Regulator Type | External |
| Decoupled Or Clutch Pulley | Yes |
| Amperage Rating | 145 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Ram | 2500 | 6.7L | L6 | N/A | Denso Unit, 145 to 160 Amp, Supplied as 145 Amp |
| 2011 | Ram | 2500 | 6.7L | L6 | N/A | Denso Unit, 145 to 160 Amp, Supplied as 145 Amp |
| 2011 | Ram | 3500 | 6.7L | L6 | N/A | Denso Unit, 145 to 160 Amp, Supplied as 145 Amp |
| 2010 | Dodge | Ram 2500 | 6.7L | L6 | N/A | Denso Unit, 145 to 160 Amp, Mexico, Supplied as 145 Amp |
| 2010 | Dodge | Ram 3500 | N/A | Denso Unit, 145 to 160 Amp, Supplied as 145 Amp | ||
| 2009 | Dodge | Ram 2500 | 6.7L | L6 | N/A | Denso Unit, 145 to 160 Amp, Supplied as 145 Amp |
| 2009 | Dodge | Ram 3500 | 6.7L | L6 | N/A | Denso Unit, 145 to 160 Amp, Supplied as 145 Amp |
| 2008 | Dodge | Ram 2500 | 6.7L | L6 | N/A | Denso Unit, 145 to 160 Amp, Supplied as 145 Amp |
| 2008 | Dodge | Ram 3500 | 6.7L | L6 | N/A | Denso Unit, 145 to 160 Amp, Supplied as 145 Amp |
| 2007 | Dodge | Ram 2500 | 6.7L | L6 | N/A | Denso Unit, 145 to 160 Amp, Supplied as 145 Amp |
| 2007 | Dodge | Ram 3500 | 6.7L | L6 | N/A | Denso Unit, 145 to 160 Amp, Supplied as 145 Amp |
* 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:
04801311AD11378421000-0510421000-05124801311AD
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.