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WAIPart #: 12878N
WAI 12878N Alternator
⚙️ 12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$393.32Free 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
📦New
🚗Fitment: Ford and Lincoln, Explorer, Flex, MKS, MKT, and Taurus
🔄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 12878N Alternator
| Brand | WAI |
| Part Number | 12878N |
| Position | New |
| 12 | 12 |
| Fan Type | Internal |
| Pulley Included | Yes |
| Family | Mitsubishi |
| Pulley Groove Quantity | 6 |
| Pulley Belt Type | Serpentine |
| Regulator Type | Internal |
| Decoupled Or Clutch Pulley | No |
| Amperage Rating | 200 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Ford | Explorer | 3.5L | V6 | N/A | Mitsubishi unit, 200 Amp |
| 2012 | Ford | Taurus | N/A | Mitsubishi unit, 200 Amp | ||
| 2012 | Lincoln | MKS | 3.5L | V6 | N/A | Mitsubishi unit, 200 Amp |
| 2012 | Lincoln | MKT | 3.5L | V6 | N/A | New |
| 2011 | Ford | Explorer | N/A | Mitsubishi unit, 200 Amp | ||
| 2011 | Ford | Taurus | N/A | Mitsubishi unit, 200 Amp | ||
| 2011 | Lincoln | MKS | 3.5L | V6 | N/A | Mitsubishi unit, 200 Amp |
| 2011 | Lincoln | MKT | 3.5L | V6 | N/A | Mitsubishi unit, 200 Amp |
| 2010 | Ford | Flex | N/A | Mitsubishi unit, 200 Amp | ||
| 2010 | Ford | Taurus | N/A | Mitsubishi unit, 200 Amp | ||
| 2010 | Lincoln | MKS | 3.5L | V6 | N/A | Mitsubishi unit, 200 Amp |
| 2010 | Lincoln | MKT | 3.5L | V6 | N/A | New |
* 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:
128783M5T-AAA004TX0091A004TX0091ZCAA5T-10300-BAAA5T-10300-BBAA5T-BBAA5Z-10346-BAA5Z-B
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.