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OEM Audi Alternators Online

79903021R - : Alternator for Audi Image

Alternator

190 Amp. R8. 5.2l.
Backordered
59903018QX - : Alternator for Audi Image

Alternator

180 Amp.. Vendor:hitachi. Q5. 3.0l tdi. Vendor:valeo. 3.0L, diesel, remanufactured, hitachi.
Backordered
6J903023CX - : Alternator for Audi Image

Alternator

A3. 2.0l. 140 Amp.. Vendor:valeo. 2.0L, gas, remanufactured, valeo.
$529.72
MSRP $708.66
Save $178.94
25.3% Off
6E903024T - : Alternator for Audi Image

Alternator

4.0L. New. Reman. SQ8.
Backordered
6Q903028E - : Alternator for Audi Image

Alternator

140 Amp. All. A3 Quattro. 2.0l.
$601.89
MSRP $834.22
Save $232.33
27.8% Off
68903017NX - : Alternator for Audi Image

Alternator

65 Amp.. New. Vendor:bosch. Stamped #026 903 015A.
$465.74
MSRP $623.07
Save $157.33
25.3% Off
3L903024M - : Alternator for Audi Image

Alternator

New. Vendor:valeo. From 11/12/2012. 140 Amp..
Backordered
38903018QX - : Alternator for Audi Image

Alternator

TT. 120 Amp.. Reman.. Stamped #028 903 028 E. Vendor:bosch.
$473.39
MSRP $633.29
Save $159.90
25.2% Off
3L903024MX - : Alternator for Audi Image

Alternator

Reman.. Vendor:valeo. From 11/12/2012. 140 Amp..
Backordered
59903018Q - : Alternator for Audi Image

Alternator

180 Amp.. Q5. 3.0l tdi. 3.0L, diesel, new, hitachi.
$1,061.16
MSRP $1,470.76
Save $409.60
27.8% Off

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How to Make Your Alternator Last

Your alternator keeps your battery charged and powers all electrical systems while your engine runs. In vehicles like the Audi Q3, it plays an essential role in everything from lighting to advanced driver-assist features.

What Does the Alternator Do?

The alternator generates electrical power using the engine’s crankshaft motion. It supplies energy to run your lights, infotainment, HVAC, and recharges the battery.

Which Alternator Parts Often Fail?

Alternator bearings can wear out, leading to whining noises or internal failure. The voltage regulator may also malfunction, causing inconsistent charging. Lastly, worn brushes or damaged windings can completely disable the unit.

Are Remanufactured Alternators Worth It?

Remanufactured alternators can offer savings, but quality varies. Unless it’s rebuilt to OEM specs by a reputable supplier, an aftermarket remanufactured alternator may not last as long or perform as reliably as a new OEM unit.

Expert Tips to Extend the Life of Your Audi's Alternator

1. Inspect the serpentine belt regularly

A worn or loose belt can slip, reducing alternator output and leading to premature failure.

2. Avoid jump-starting often

Frequent jump-starts can overload the alternator, especially if the battery is already weak.

3. Clean electrical terminals

Dirty or corroded battery and alternator terminals restrict current flow and increase resistance.

4. Replace worn starters promptly

A failing starter can draw excessive power, forcing the alternator to work harder than necessary.

5. Reduce unnecessary electrical loads

Turning off accessories like heated seats when not needed helps ease the strain on your alternator.

Order OEM alternators and related parts at unbeatable prices at Online Parts Source. Contact us today for expert assistance and exclusive discounts.