Alternators
BuyGMParts.ca only sells unadulterated OEM Alternators. These parts are particularly manufactured and crafted for your car, truck or SUV, just as good as the original parts that came with your car when it was first purchased. Using peak quality parts when restoring your vehicle guarantees the best fit. It further ensures reliability and safety. BuyGMParts.ca offers the most competitive rates on the web and delivers the best GM OEM parts!
Serpentine Tensioner
GM
12717891
Silverado, Sierra 2500 HD. Accessory. 6.6L diesel, with dual alternators, drive belt. Silverado, Sierra 3500 HD.
$116.16 CAD
MSRP $158.04 CAD
Save $41.88 CAD
26.5% Off 
Belt Tensioner
GM
12673657
Silverado, Sierra 2500 HD. Main. Silverado, Sierra 3500 HD. Silverado, sierra. 6.6l. 6.6L diesel, without dual alternators, serpentine...
$111.08 CAD
MSRP $151.12 CAD
Save $40.04 CAD
26.5% Off 
Serpentine Belt
GM
12642434
Express, savana. 6.6l diesel. Lgh engine. 6.6L diesel, without dual alternators. Single Alternator....
$81.94 CAD
MSRP $133.72 CAD
Save $51.78 CAD
38.7% Off 
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