2006–2010 Cadillac DTS 4.6L V8 Alternator 11178 | 150A, 6-Groove
This new replacement alternator fits the 2006–2010 Cadillac DTS 4.6L V8 in the configurations listed below.
Vehicle fitment
| Model years | Vehicle | Engine | Configuration |
|---|---|---|---|
| 2006, 2007, 2008, 2009, 2010, 2011 | Buick Lucerne | 4.6L V8 | |
| 2006, 2007, 2008, 2009, 2010 | Cadillac DTS | 4.6L V8 | Exc. Limo Package |
| 2011 | Cadillac DTS | 4.6L V8 | Exc. Limousine Prep Package |
Part numbers
Denso: 104210-4370, 104210-5990, 20843302, 25755840
Lester: 11178
Other cross-references: 11178N, 210-0639
What’s included
Includes one new alternator with pulley.
Specifications
- Output: 150 A
- Voltage: 12 V
- Pulley grooves: 6
- Pulley diameter: 62 mm
- Rotation: Clockwise
- Regulator: Internal
- Plug clock position: 7 o’clock
Before ordering
Match the original alternator part number, amperage, electrical connector, mounting points and pulley with the listing. Check any equipment or production-date notes in the fitment table.
Installation tip: Disconnect the negative battery cable before replacement. Check the belt, tensioner and battery-cable connections, then verify charging operation after installation.
Need a match? Send your VIN and a photo of the original alternator label to our Auto Parts Desk.
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