How to remove and install an alternator on Hyundai Sonata?

Removal begins with disconnecting the cable from the negative battery terminal. For 1999 through 2005 four-cylinder models, disconnect the electrical connectors from the alternator, loosen the lock bolt on the upper alternator adjusting mount and the lower mount bolt. Turn the adjusting bolt counterclockwise to release tension on the drivebelt, then remove the drivebelt. Remove the two alternator mounting bolts and remove the alternator. For all other models, remove the drivebelt. Access is very limited on these models. It will be necessary to remove various components including the lower engine splash shield to gain access. These components vary from model to model. Disconnect the electrical connectors from the alternator and air conditioning compressor, then move the harness out of the way. On 2011 and later 2.4L engines, remove the Variable Intake Solenoid (VIS) actuator and valve. Remove the mounting bolts and remove the alternator. For installation, if you're replacing the alternator, take the old alternator with you when purchasing a replacement unit. Make sure that the new/ rebuilt unit is identical to the old alternator. Look at the terminals - they should be the same in number, size and locations as the terminals on the old alternator. Finally, look at the identification markings - they will be stamped in the housing or printed on a tag or plaque affixed to the housing. Make sure that these numbers are the same on both alternators. If the replacement alternator doesn't have a pulley installed, you may have to switch the pulley from the old unit to the replacement unit. When buying a new or rebuilt alternator, ask about the shop's policy regarding pulley swapping. Some shops will perform this service for free. Installation is the reverse of removal. After the alternator is installed, adjust the drivebelt tension, then check the charging voltage to verify that the alternator is operating correctly.

Genuine Hyundai Sonata Alternator

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44 Alternators found

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Hyundai Sonata Generator Assembly
Part Number: 37300-3C250
$432.82 MSRP: $613.44
You Save: $180.62 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Alternator
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2007-2010 Hyundai Sonata | DOHC - MPI | Sedan - 4Door 5P
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Hyundai Sonata Generator Assembly
Part Number: 37300-2B960
$474.19 MSRP: $672.08
You Save: $197.89 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Alternator
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2015-2019 Hyundai Sonata | DOHC - TCI/GDI | Sedan - 4Door 5P
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Hyundai Sonata Alternator Assembly
Part Number: 37300-2G061
$551.82 MSRP: $782.10
You Save: $230.28 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Alternator
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2015-2019 Hyundai Sonata | DOHC - GDI, DOHC - TCI/GDI | Sedan - 4Door 5P
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Hyundai Sonata Generator Assembly 0
Part Number: 37300-37800
$368.53 MSRP: $522.32
You Save: $153.79 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Generator Assembly; Alternator
- Manufacturer Note: 120(A)
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2001-2005 Hyundai Sonata | High Grade, Middle Grade | 4 Door Sedan
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Hyundai Sonata Generator Assembly
Part Number: 37300-3C120
$375.94 MSRP: $523.63
You Save: $147.69 (29%)
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Product Specifications
- Replaced by: 37300-3C125--SJ
- Replaces: 37300-3C150
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2005-2007 Hyundai Sonata | High Grade, Middle Grade | DOHC - MPI | 4 Door Sedan, Sedan - 4Door 5P
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Hyundai Sonata Alternator Assembly
Part Number: 37300-2G600
$459.84 MSRP: $651.74
You Save: $191.90 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Alternator
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2009-2014 Hyundai Sonata | DOHC - TCI/GDI | Sedan - 4Door 5P
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Hyundai Sonata Alternator Assembly
Part Number: 37300-2G800
$509.93 MSRP: $722.73
You Save: $212.80 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Alternator
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2007-2014 Hyundai Sonata | DOHC - GDI, DOHC - MPI, DOHC - TCI/GDI | Sedan - 4Door 5P
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Hyundai Sonata Generator Assembly
Part Number: 37300-25201
$467.92 MSRP: $651.74
You Save: $183.82 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Replaced by: 37300-2G100
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2005-2010 Hyundai Sonata | High Grade, Middle Grade | DOHC - MPI | 4 Door Sedan, Sedan - 4Door 5P
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Hyundai Sonata Alternator Assembly
Part Number: 37300-2G150
$459.84 MSRP: $651.74
You Save: $191.90 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2009-2014 Hyundai Sonata | DOHC - GDI, DOHC - TCI/GDI | Sedan - 4Door 5P
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Hyundai Sonata Generator Assembly
Part Number: 37300-35020
$124.37 MSRP: $188.38
You Save: $64.01 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Manufacturer Note: 90A
- Replaced by: 00228-Y0210
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1988-1993 Hyundai Sonata | High Grade, Middle Grade | 4 Door
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Hyundai Sonata Generator Assembly
Part Number: 37300-37400
$287.07 MSRP: $403.32
You Save: $116.25 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Rectifier, Rotor
- Manufacturer Note: 110(A)
- Replaces: 37367-37150, 37300-37250
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1998-2005 Hyundai Sonata | High Grade, Middle Grade | 4 Door, 4 Door Sedan
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Hyundai Sonata Generator Assembly
Part Number: 37300-25301
$333.30 MSRP: $460.26
You Save: $126.96 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Replaced by: 37300-25310
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2007 Hyundai Sonata | DOHC - MPI | Sedan - 4Door 5P
- 2005 Hyundai Sonata | High Grade, Middle Grade | 4 Door Sedan
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Hyundai Sonata Generator Assembly
Part Number: 37300-33013
$387.68 MSRP: $549.47
You Save: $161.79 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Alternator
- Manufacturer Note: 75(A)
- Replaces: 37300-33010, 37300-33030
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1988-1998 Hyundai Sonata | High Grade, Middle Grade | 4 Door
View related parts
Hyundai Sonata Alternator Assembly
Part Number: 37300-2G100
$459.84 MSRP: $651.74
You Save: $191.90 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Alternator
- Replaces: 37300-25201
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2005-2010 Hyundai Sonata | High Grade, Middle Grade | DOHC - MPI | 4 Door Sedan, Sedan - 4Door 5P
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Hyundai Sonata Alternator Assembly
Part Number: 37300-2G855
$574.12 MSRP: $799.66
You Save: $225.54 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2009-2014 Hyundai Sonata | DOHC - GDI, DOHC - TCI/GDI | Sedan - 4Door 5P
View related parts
Hyundai Sonata Generator Assembly
Part Number: 37300-32510
$90.33 MSRP: $145.20
You Save: $54.87 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: 75A
- Replaced by: 00228-Y0200
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1988-1993 Hyundai Sonata | High Grade, Middle Grade | 4 Door
View related parts
Hyundai Sonata Generator Assembly
Part Number: 37300-32520
$90.33 MSRP: $145.20
You Save: $54.87 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: 75A
- Replaced by: 00228-Y0200
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1988-1993 Hyundai Sonata | High Grade, Middle Grade | 4 Door
View related parts
Hyundai Sonata Generator Assembly
Part Number: 37300-32530
$90.33 MSRP: $145.20
You Save: $54.87 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: 75A
- Replaced by: 00228-Y0200
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1988-1993 Hyundai Sonata | High Grade, Middle Grade | 4 Door
View related parts
Hyundai Sonata Reman Generator Assembly
Part Number: 37300-38400-RM
$168.46 MSRP: $261.82
You Save: $93.36 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: [Reman] Generator Assembly
- Replaces: 37300-38700-RM
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2001-2005 Hyundai Sonata | High Grade, Middle Grade | 4 Door Sedan
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Hyundai Sonata Reman Alternator Assembly
Part Number: 37300-37110-RM
$181.52 MSRP: $279.85
You Save: $98.33 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: [Reman] Generator Assembly
- Replaced by: 37300-37405-RM
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1998-2001 Hyundai Sonata | High Grade, Middle Grade | 4 Door

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Hyundai Sonata Alternator

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Hyundai Sonata Alternator Parts Questions & Experts Answers

Generator Assembly
37300-37250
Q: How to remove and install an alternator on Hyundai Sonata?
A: Removal begins with disconnecting the cable from the negative battery terminal. For 1999 through 2005 four-cylinder models, disconnect the electrical connectors from the alternator, loosen the lock bolt on the upper alternator adjusting mount and the lower mount bolt. Turn the adjusting bolt counterclockwise to release tension on the drivebelt, then remove the drivebelt. Remove the two alternator mounting bolts and remove the alternator. For all other models, remove the drivebelt. Access is very limited on these models. It will be necessary to remove various components including the lower engine splash shield to gain access. These components vary from model to model. Disconnect the electrical connectors from the alternator and air conditioning compressor, then move the harness out of the way. On 2011 and later 2.4L engines, remove the Variable Intake Solenoid (VIS) actuator and valve. Remove the mounting bolts and remove the alternator. For installation, if you're replacing the alternator, take the old alternator with you when purchasing a replacement unit. Make sure that the new/ rebuilt unit is identical to the old alternator. Look at the terminals - they should be the same in number, size and locations as the terminals on the old alternator. Finally, look at the identification markings - they will be stamped in the housing or printed on a tag or plaque affixed to the housing. Make sure that these numbers are the same on both alternators. If the replacement alternator doesn't have a pulley installed, you may have to switch the pulley from the old unit to the replacement unit. When buying a new or rebuilt alternator, ask about the shop's policy regarding pulley swapping. Some shops will perform this service for free. Installation is the reverse of removal. After the alternator is installed, adjust the drivebelt tension, then check the charging voltage to verify that the alternator is operating correctly.