GM Alternators
availability
Engine Harness
GM
86595817
6.6L gas, without dual alternators, 4wd.
$467.67
MSRP $751.19
Save $283.52
37.7% Off 
Idler Pulley
Ford
PC3Z-10344-A
Dual alternators, with inverter, auxiliary, upper.
$73.78
MSRP $118.18
Save $44.40
37.6% Off 
Engine Wiring Harness
GM
86595809
6.6L GAS. without dual alternators 2WD.
$361.48
MSRP $580.62
Save $219.14
37.7% Off Engine Harness
GM
86595811
6.6L gas, with dual alternators, 2wd.
$386.84
MSRP $708.50
Save $321.66
45.4% Off Engine Harness
GM
86595808
6.6L gas, with dual alternators, 4wd.
$404.53
MSRP $649.77
Save $245.24
37.7% Off Engine Harness
GM
85082404
6.6L gas, with dual alternators, 2wd.
$310.35
MSRP $498.03
Save $187.68
37.7% Off 
Engine Harness
GM
86595805
6.6L diesel, without dual alternators, 4wd.
$325.33
MSRP $522.55
Save $197.22
37.7% Off 
Engine Harness
GM
85693754
6.6L gas, with dual alternators, 4wd.
$383.39
MSRP $702.18
Save $318.79
45.4% Off 
Accessory Drive Belt Idler Assembly
Ford
PC3Z-8553-C
Power Inverter. Dual alternators, with inverter.
$187.28
MSRP $275.00
Save $87.72
31.9% Off 
Inter-Cooler
Ford
LK4Z-6K775-C
Transit. 3.5l. 510 series. Without dual alternators.
$341.55
MSRP $506.00
Save $164.45
32.5% Off Motorcraft™ Inter-Cooler
Ford
INTCO-26
Transit. 3.5l. 510 series. Without dual alternators.
$341.55
MSRP $506.00
Save $164.45
32.5% Off Inter-Cooler
Ford
LK4Z-6K775-B
Transit. 3.5l. 510 series. With dual alternators.
$439.31
MSRP $650.83
Save $211.52
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Alternators keep the battery in our cars charged and ready to start at a moment’s notice, as well as powering the electrical system throughout the vehicle. If you’ve ever driven on a country road after dark and notice that your headlights and dash lights dim when you push on the brake, you may be in need of a new alternator. The alternators offered here are for all GM makes and models, so you can find the right one for your specific car. Shop today!