Alternator

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Free Next Day Delivery
Duralast Gold New Alternator DLG1923-16-4
$
195
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG1923-16-4
  • SKU # 973439
  • Application: With single alternator system, With 144mm (5 11/16") diameter alternator case
    Notes: 145 amp. Designed for maximum durability 100% new
$
195
99
+$40.00 Refundable Core Deposit

info

Application: With single alternator system, With 144mm (5 11/16") diameter alternator case
Notes: 145 amp. Designed for maximum durability 100% new
Duralast Gold New Alternator DLG3406-16-4
$
189
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG3406-16-4
  • SKU # 532321
$
189
99
+$40.00 Refundable Core Deposit

info

Duralast Gold New Alternator DLG3509-18-10
$
203
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG3509-18-10
  • SKU # 430424
  • Application: 130 amp. With 5 1/2" diameter alternator case
    Notes: 130 amp. With 5 1/2" diameter alternator case. Designed for maximum durability 100% new
$
203
99
+$40.00 Refundable Core Deposit

info

Application: 130 amp. With 5 1/2" diameter alternator case
Notes: 130 amp. With 5 1/2" diameter alternator case. Designed for maximum durability 100% new
Free Next Day Delivery
Duralast Gold New Alternator DLG7765-6-2
$
189
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG7765-6-2
  • SKU # 532345
  • Notes: 130 Amp. With 149mm (5 7/8") Diameter alternator Case. Designed for maximum durability 100% new
$
189
99
+$40.00 Refundable Core Deposit

info

Notes: 130 Amp. With 149mm (5 7/8") Diameter alternator Case. Designed for maximum durability 100% new
Duralast Gold New Alternator DLG7750-6-2
$
161
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG7750-6-2
  • SKU # 352091
  • Notes: 95 amp. Available until stock is depleted. Designed for maximum durability 100% new
$
161
99
+$40.00 Refundable Core Deposit

info

Notes: 95 amp. Available until stock is depleted. Designed for maximum durability 100% new
Free Next Day Delivery
Duralast Gold New Alternator DLG3518-16-2
$
177
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG3518-16-2
  • SKU # 34863
  • Notes: 130 amp. Designed for maximum durability 100% new
$
177
99
+$40.00 Refundable Core Deposit

info

Notes: 130 amp. Designed for maximum durability 100% new
Duralast Gold New Alternator DLG5626-8-11
$
248
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG5626-8-11
  • SKU # 470837
  • Application: With dual alternator system
    Notes: 150 Amp. Upper. Designed for maximum durability 100% new
$
248
99
+$40.00 Refundable Core Deposit

info

Application: With dual alternator system
Notes: 150 Amp. Upper. Designed for maximum durability 100% new
Duralast Gold New Alternator DLG1924-16-4
$
195
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG1924-16-4
  • SKU # 973440
  • Application: Remy equipped
    Notes: 145 amp. Available until stock is depleted. Designed for maximum durability 100% new
$
195
99
+$40.00 Refundable Core Deposit

info

Application: Remy equipped
Notes: 145 amp. Available until stock is depleted. Designed for maximum durability 100% new
Duralast Gold New Alternator DLG3501-18-10
$
215
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG3501-18-10
  • SKU # 209351
$
215
99
+$40.00 Refundable Core Deposit

info

Free Next Day Delivery
Duralast Gold New Alternator DLG3512-18-10
$
176
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG3512-18-10
  • SKU # 616387
  • Application: Sedan
    Notes: 130 Amp. With 149mm (5 7/8") Diameter alternator Case. Designed for maximum durability 100% new
$
176
99
+$40.00 Refundable Core Deposit

info

Application: Sedan
Notes: 130 Amp. With 149mm (5 7/8") Diameter alternator Case. Designed for maximum durability 100% new
Duralast Gold New Alternator DLG2623-8-2
$
315
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG2623-8-2
  • SKU # 148676
  • Application: With single alternator system
    Notes: 140 amp. Designed for maximum durability 100% new
$
315
99
+$40.00 Refundable Core Deposit

info

Application: With single alternator system
Notes: 140 amp. Designed for maximum durability 100% new
Free Next Day Delivery
Duralast Gold New Alternator DLG3651-8-2
$
197
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG3651-8-2
  • SKU # 120236
  • Application: With single alternator system
    Notes: 110 Amp. Designed for maximum durability 100% new
$
197
99
+$40.00 Refundable Core Deposit

info

Application: With single alternator system
Notes: 110 Amp. Designed for maximum durability 100% new
Duralast Gold New Alternator ADLG3657-8-11
$
204
99
+$40.00 Refundable Core Deposit

info

  • Part # ADLG3657-8-11
  • SKU # 178701
  • Notes: With Ambulance package. 110 amp. Single alternator system. Designed for maximum durability 100% new
$
204
99
+$40.00 Refundable Core Deposit

info

Notes: With Ambulance package. 110 amp. Single alternator system. Designed for maximum durability 100% new
Free Next Day Delivery
Duralast Gold New Alternator DLG3410-16-2
$
189
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG3410-16-2
  • SKU # 209347
  • Application: Built to 12/04/2003
    Notes: 130 amp. Designed for maximum durability 100% new
$
189
99
+$40.00 Refundable Core Deposit

info

Application: Built to 12/04/2003
Notes: 130 amp. Designed for maximum durability 100% new
Free Next Day Delivery
Duralast Gold New Alternator DLG1921-16-4
$
208
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG1921-16-4
  • SKU # 973438
  • Notes: 150 amp. Designed for maximum durability 100% new
$
208
99
+$40.00 Refundable Core Deposit

info

Notes: 150 amp. Designed for maximum durability 100% new
Duralast Gold New Alternator DLG3506-16-2
$
161
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG3506-16-2
  • SKU # 430423
  • Notes: 95 amp. Designed for maximum durability 100% new
$
161
99
+$40.00 Refundable Core Deposit

info

Notes: 95 amp. Designed for maximum durability 100% new
Free Next Day Delivery
Duralast Gold New Alternator DLG3426-6-1
$
212
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG3426-6-1
  • SKU # 955076
  • Notes: 130 amp. With black rear cover on alternator. With 6S pulley. Designed for maximum durability 100% new
$
212
99
+$40.00 Refundable Core Deposit

info

Notes: 130 amp. With black rear cover on alternator. With 6S pulley. Designed for maximum durability 100% new
Free Next Day Delivery
Duralast Gold New Alternator DLG3653-8-2
$
288
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG3653-8-2
  • SKU # 120102
  • Application: With 148mm (5 13/16") Diameter alternator Case
    Notes: 135 Amp. Upper; Built to 11/03/2004. With Dual or Single alternator System. Designed for maximum durability 100% new
$
288
99
+$40.00 Refundable Core Deposit

info

Application: With 148mm (5 13/16") Diameter alternator Case
Notes: 135 Amp. Upper; Built to 11/03/2004. With Dual or Single alternator System. Designed for maximum durability 100% new
Duralast Gold New Alternator DLG5627-8-11
$
248
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG5627-8-11
  • SKU # 470960
  • Application: With single alternator system
    Notes: 150 Amp. Heavy Duty. Designed for maximum durability 100% new
$
248
99
+$40.00 Refundable Core Deposit

info

Application: With single alternator system
Notes: 150 Amp. Heavy Duty. Designed for maximum durability 100% new
Duralast Gold New Alternator DLG3643-18-10
$
226
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG3643-18-10
  • SKU # 34865
  • Application: With single alternator system
    Notes: 110 Amp. Designed for maximum durability 100% new
$
226
99
+$40.00 Refundable Core Deposit

info

Application: With single alternator system
Notes: 110 Amp. Designed for maximum durability 100% new
Duralast Gold New Alternator DLG3425-16-2
$
202
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG3425-16-2
  • SKU # 234758
  • Notes: 130 amp. Designed for maximum durability 100% new
$
202
99
+$40.00 Refundable Core Deposit

info

Notes: 130 amp. Designed for maximum durability 100% new
Free Next Day Delivery
Duralast Gold New Alternator DLG5504-6
$
161
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG5504-6
  • SKU # 120242
$
161
99
+$40.00 Refundable Core Deposit

info

Duralast Gold New Alternator DLG2671-6-6
$
441
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG2671-6-6
  • SKU # 152314
  • Notes: 160 amp. With 128mm (5 1/16") Diameter alternator case. Designed for maximum durability 100% new
$
441
99
+$40.00 Refundable Core Deposit

info

Notes: 160 amp. With 128mm (5 1/16") Diameter alternator case. Designed for maximum durability 100% new
Free Next Day Delivery
Duralast Gold New Alternator DLG1345-6-7
$
143
99
+$40.00 Refundable Core Deposit

info

  • Part # DLG1345-6-7
  • SKU # 82557
  • Notes: 105 Amp. With 7:00 alternator Plug. Designed for maximum durability 100% new
$
143
99
+$40.00 Refundable Core Deposit

info

Notes: 105 Amp. With 7:00 alternator Plug. Designed for maximum durability 100% new

About

Alternator

What is an Alternator?
An alternator works with your battery to supply power to a vehicle’s electrical system by converting mechanical energy to electrical energy while the engine is running. Alternators may wear down over time and a failing alternator can impact your car in many ways.

Keep your battery charged with a new alternator from AutoZone. We carry top-notch brands like Duralast, Raw Power, and Remy. Buy online for free shipping with next day delivery or pick up your parts in an AutoZone near you today.

Sometimes a dead battery can be fixed with a charge. Sometimes the battery is dead. But sometimes the battery is fine, it just isn’t being charged. This is one of the best indicators that your car has a bad alternator. That’s because your car’s battery gets its charge from the alternator. As a result, it can sometimes be difficult to diagnose a problem that may involve the battery or the alternator. Luckily, store associates at a store near you can test your battery and alternator to make sure you get the parts you need to do the job right.

AutoZone carries an array of 100% new and remanufactured alternators that are built to deliver the amp output needed to power your vehicle. They’re built to last too. Our Duralast Gold alternators meet or exceed OE performance and come with a limited lifetime warranty, so you can know that your battery can get the charge it needs.

We make finding the right parts easy. Get a Ford Focus alternator by entering your Focus’s year, make, model, and engine up above. It works the same way no matter what you drive. Just enter your vehicle’s info, and we’ll find the part that fits your make and model perfectly.

Two key alternator components are the rotor and the stator. The rotor features magnetized finger poles that rotate surrounding the wire field winding. Each finger pole is a different length to produce alternating north and south poles for the winding. The stator is just enough larger that the rotor can spin without touching the stator walls. The spinning magnetized poles generate current in the winding, and this current provides the power that charges your battery.

Since being introduced to production cars with the 1960 Plymouth Valiant, the alternator has become one of the most important auto parts in modern cars. Without an alternator, your vehicle has no way to charge the battery. The alternator, driven by the crankshaft, generates AC power through electromagnetism. Electricity is channeled into the battery where it can provide the current needed to start the vehicle, or to run electronics like headlights or the radio. The alternator outputs between 13.5 and 14.8 volts to keep the battery 100% charged.

In addition to starting trouble, a worn alternator can impair the overall driving experience. Without enough current from the alternator, the battery can die even while you are driving. Signs of a bad alternator include dim or flickering headlights or interior dash lights, the check engine light, a dead battery, or other electrical issues. The engine can even stall while driving. If you’re experiencing any of these issues, you can open the hood to visually inspect the alternator for common problems or bring it in to AutoZone for testing.

You can’t get dependable performance from a worn-out alternator. AutoZone’s high-output performance alternators give your car’s electrical systems the current they need for a reliable ride down the road ahead. Get free next day shipping or pick up your parts in your local AutoZone today.