2016–2017 Cadillac CT6 2.0L L4 Alternator 11780 | 170A, 5-Groove
This new replacement alternator fits the 2016–2017 Cadillac CT6 2.0L L4 in the configurations listed below.
Vehicle fitment
| Model years | Vehicle | Engine | Configuration |
|---|---|---|---|
| 2016, 2017, 2018, 2019 | Cadillac ATS | 2.0L L4 | Denso IR/IF; Start/Stop Feature |
| 2016 | Cadillac ATS | 2.5L L4 | Denso IR/IF; Start/Stop Feature |
| 2016, 2017 | Cadillac CT6 | 2.0L L4 | Denso IR/IF; Start/Stop Feature |
| 2016, 2017, 2018, 2019 | Cadillac CTS | 2.0L L4 | Denso IR/IF; Start/Stop Feature |
Part numbers
GM: 23272782, 84542721
Denso: 104211-0670, 104211-0671, 104211-0672, TN104211-0670, TN104211-0671, TN104211-0672
Lester: 11780
Remy Remanufactured: 22077
MPA: 11866
Wilson: 90-29-5920
Bosch Remanufactured: AL8887X
Elstock: 28-7905
Lucas Electrical Europe: LRA04296
What’s included
Includes one new alternator with pulley.
Specifications
- Output: 170 A
- Voltage: 12 V
- Pulley grooves: 5
- Pulley type: Decoupler
- Rotation: Clockwise
- Regulator: Internal
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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