Cadillac STS Alternators
We stock Genuine OEM Cadillac Alternators for your Cadillac STS. OEM alternators play a critical role in your vehicle's electrical system, generating power to keep your battery charged and ensuring that all electrical components are functioning properly. They are designed to fit your vehicle's specifications, ensuring optimal performance and compatibility. Choosing OEM alternators over aftermarket options ensures that you are getting a product that is manufactured to the highest quality standards, providing greater reliability, durability, and long-term savings. Manufacturer's Warranty Included. Guaranteed Fit. Experts standing by.
Alternator
GM
84009373
3.6L. Newly manufactured as an exact replacement for your GM vehicle's original alternator
This GM Genuine Part is designed, engineered,...
$419.99
MSRP $859.39
Save $439.40
51.1% Off 
Alternator
GM
84009371
SRX. 4.6l. 4.4 & 4.6L. Newly manufactured as an exact replacement for your GM vehicle's original alternator
This GM Genuine Part is...
$350.24
MSRP $644.98
Save $294.74
45.7% Off 
Alternator and Drive Belt Tensioner Bracket
GM
12692949
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$60.72
MSRP $97.29
Save $36.57
37.6% Off 
Water Pump and Alternator Belt Tensioner
GM
12577652
Alternator belt. 3.6 & 2.8L, serpentine belt. Water pump & alternator. CTS. 3.0L, 3.6L, 2008-09, serpentine belt. Helps keep drive belt...
$107.47
MSRP $172.19
Save $64.72
37.6% Off 
Alternator
GM
19338744
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$301.63
MSRP $555.47
Save $253.84
45.7% Off 
Alternator
GM
19338719
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$489.74
MSRP $901.92
Save $412.18
45.7% Off 
Alternator
GM
19298381
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$151.49
MSRP $277.96
Save $126.47
45.5% Off 
Alternator
GM
19338659
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$239.21
MSRP $439.65
Save $200.44
45.6% Off 
Alternator
GM
19338730
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$533.28
MSRP $982.09
Save $448.81
45.7% Off 
Alternator
GM
19298386
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$227.73
MSRP $419.40
Save $191.67
45.7% Off 
Alternator
GM
19298427
All components are 100% NEW to provide improved performance
Key components are greased to ensure long term reliability in harsh...
$365.59
MSRP $673.28
Save $307.69
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