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Cadillac STS Alternators and Generators

This page brings together alternators and generators for the Cadillac STS, covering model years 2005–2011. The range includes remanufactured and OE replacement options, along with the connectors that complete an alternator service. Select your year above and we'll show only the alternators and generators that fit your Cadillac STS. Fitment is checked against our vehicle data for every part listed.

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Picture of Bosch Premium Remanufactured Alternator

Bosch Premium Remanufactured Alternator

77 reviews
Vehicle Specific
from $131
In Stock (10+)
Picture for manufacturer Bosch
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What's here for your Cadillac STS

  • Alternators — remanufactured and OE replacement units
  • Alternator Connectors — wiring connectors for alternator service

The widest selection here comes from Remy, Quality-Built, Gates, and Standard Motor Products. Other categories Cadillac STS owners shop for: Cadillac STS Shocks and Struts, Cadillac STS Valve Train Parts and Cadillac STS Tires, or browse all Cadillac STS parts and accessories.