Alternators & Generators for 2021 Nissan Sentra
96 matching alternators & generators from $60.00 to $105.00, all confirmed to fit your 2021 Nissan Sentra.
Alternator Fits 20-21 SENTRA 159836
$60.00
Free shipping
Alternator Fits 20-21 SENTRA 674760
$66.00
Free shipping
Alternator Fits 20-21 SENTRA 1130166
$67.45
Free shipping
Alternator Fits 20-21 SENTRA 3898672
$69.97
Free shipping
2020-2022 Nissan Sentra Alternator Assembly (2.0L MR20DD) Pre-Owned.
$70.00
+ $29.99 shipping
Alternator Fits 20-21 SENTRA 5026172
$75.00
+ $10.00 shipping
Alternator Fits 20-21 SENTRA 5456357
$76.50
Free shipping
Alternator Fits 20-21 SENTRA 5463178
$76.50
Free shipping
Alternator Fits 20-21 SENTRA 12817953
$79.80
Free shipping
120A Alternator 12V 231006LB0A For Nissan Sentra L4 2.0L 2020 2021 2022
$79.99
Free shipping
Alternator Fits 20-21 SENTRA 5080035
$80.00
+ $10.00 shipping
20 21 NISSAN SENTRA Alternator
$83.59
Free shipping
NEW 12V 120AMP Alternator 21603 For Nissan Sentra L4 2.0L 2020 2021 2022
$84.99
Free shipping
2020 - 2023 NISSAN SENTRA SR ALTERNATOR GENERATOR ASSEMBLY 231006LX0A OEM #19255
$84.99
+ $14.99 shipping
For Nissan Sentra S SV SR Sedan 2.0L 2020-2022 120AMP 12V Alternator 231006LB0A
$88.99
Free shipping
For Nissan Sentra Sedan 2.0L L4 - Gas 2020-2022 120AMP 12V Alternator 231006LB0A
$88.99
Free shipping
For Nissan Sentra 2.0L L4 Gas MR20DD Alt 20-22 120AMP 12V Alternator 231006LB0A
$88.99
Free shipping
For Nissan Sentra S SR SV Sedan 2.0L 1997CC L4 120AMP Alternator MR20DD 2020-22
$88.99
Free shipping
For Nissan Sentra 2.0L L4 MR20DD Alt 2020-2022 120AMP 12V Alternator 231006LB0A
$88.99
Free shipping
120AMP 12V Alternator For Nissan Sentra Sedan 2.0L 1997CC MR20DD Alt 2020-2022
$88.99
Free shipping
120AMP 12V Alternator For Nissan Sentra Sedan 2.0L 2020-22 Pulley Design SC6
$88.99
Free shipping
120AMP 12V Alternator For Nissan Sentra Sedan 2.0L L4 DOHC 2020-2022 MR20DD
$88.99
Free shipping
For Nissan Sentra S SV SR Sedan 2.0L 2020-2022 120AMP 12V Alternator 231006LB0A
$89.49
Free shipping
120AMP 12V Alternator 231006LB0A For Nissan Sentra Sedan 2.0L L4 - Gas 2020-2022
$89.90
Free shipping
120AMP 12V Alternator 231006LB0A For Nissan Sentra S SV SR Sedan 2.0L 2020-2022
$89.90
Free shipping
120AMP 12V Alternator For Nissan Sentra 2.0L L4 Gas MR20DD Alt 20-22 231006LB0A
$89.90
Free shipping
120AMP Alternator For Nissan Sentra S SR SV Sedan 2.0L 1997CC L4 MR20DD 2020-22
$89.90
Free shipping
120AMP 12V Alternator For Nissan Sentra S, SR, SV Sedan 2.0L L4 - Gas 2020-2022
$89.90
Free shipping
120A Alternator For Nissan Sentra L4 2.0Liter MR20DD Alt 2020-2022 231006LB0A
$89.90
Free shipping
120AMP 12V Alternator For Nissan Sentra Sedan 2.0L L4 2020-2022 MR20DD Engine
$89.90
Free shipping
120AMP 12V Alternator For Nissan Sentra Sedan 2.0L MR20DD Alt 2020-22 231006LB0A
$89.90
Free shipping
120AMP 12V Alternator For Nissan Sentra Sedan 2.0L L4 MR20DD Alt 2020-2022
$89.90
Free shipping
120AMP 12V Alternator For Nissan Sentra 2.0L L4 MR20DD Alt 2020-2022 231006LB0A
$89.90
Free shipping
120AMP 12V Alternator For Nissan Sentra S SR SV Sedan 2.0L 1997CC L4 2020-2022
$89.90
Free shipping
120AMP 12V Alternator For Nissan Sentra S SR SV Sedan 2.0L L4 Gas DOHC 2020-2022
$89.90
Free shipping
For Nissan Sentra L4 2.0L 2020-2022 120AMP Alternator 231006LB0A
$89.90
Free shipping
More for your 2021 Nissan Sentra
Alternators & Generators for 2021 Nissan Sentra: FAQ
What are common symptoms of a failing alternator on a 2021 Nissan Sentra?
Common symptoms include a dimming or flickering dashboard and headlights, a battery warning light on the dash, difficulty starting, or electrical accessories losing power. If you notice these, have the charging system tested.
Can I use an aftermarket alternator instead of an OEM one?
Yes, but ensure the aftermarket alternator matches the original part number, output amperage, and connector type. Check your owner’s manual or the existing alternator’s label for specifications. Quality varies, so choose a reputable brand.
What should I verify when buying a replacement alternator?
Confirm the alternator is designed for your 2021 Nissan Sentra’s engine (typically the 2.0L). Check the output amperage rating, connector shape, and mounting bracket design. Cross-reference the OEM part number to avoid fitment issues.
Is it better to buy a new or remanufactured alternator?
New alternators offer the longest lifespan and full warranty, while remanufactured units are more affordable but may have shorter warranties. For a 2021 model, a new unit is often recommended to ensure reliability, but a quality remanufactured one can be a cost-effective option if backed by a solid warranty.