Alternators
Belt Tensioner Bolt
GM
11547698
6.6L diesel, without dual alternators, drive belt tnsr.
$4.00 CAD
MSRP $5.67 CAD
Save $1.67 CAD
29.5% Off 
Water Pump Belt
GM
12732707
Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, with dual alternators.
$33.21 CAD
MSRP $71.02 CAD
Save $37.81 CAD
53.2% Off 
Drive Belt
GM
12732424
Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. 6.6L diesel, with dual alternators.
$33.23 CAD
MSRP $71.10 CAD
Save $37.87 CAD
53.3% Off 
Serpentine Belt
GM
12649154
Silverado, sierra. 6.6l. Dual alternators. 6.6L diesel, with dual alternator, 150/150 amp.
$112.32 CAD
MSRP $208.39 CAD
Save $96.07 CAD
46.1% Off 
Acdelco™ Idler Pulley
GM
15-40603
Silverado, Sierra 2500 HD. Lower. Ribbed. 6.6L gas, with dual alternators, grooved. Silverado, Sierra 3500 HD.
$98.72 CAD
MSRP $164.73 CAD
Save $66.01 CAD
40.1% Off 
Idler Pulley
GM
12729056
Silverado, Sierra 2500 HD. Lower. 6.6L gas, with dual alternators, smooth. Silverado, Sierra 3500 HD.
$91.04 CAD
MSRP $151.89 CAD
Save $60.85 CAD
40.1% Off 
Serpentine Tensioner
GM
12717891
Silverado, Sierra 2500 HD. Accessory. 6.6L diesel, with dual alternators, drive belt. Silverado, Sierra 3500 HD.
$103.15 CAD
MSRP $158.04 CAD
Save $54.89 CAD
34.7% 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...
$98.63 CAD
MSRP $151.12 CAD
Save $52.49 CAD
34.7% Off 
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