2021 Subaru Crosstrek Alternator Parts

Keep Your 2021 Subaru Crosstrek in Top Shape with Quality Alternator Parts

Whether you’re repairing or upgrading your Alternator Part, using high-quality parts is key to keeping your 2021 Subaru Crosstrek looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Alternators. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2021 Subaru Crosstrek Alternator Part at Advance Auto Parts is around $871.49, with a range that starts at $622.99 and goes up to $1,119.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Alternator: New, 200 Amps and Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty start at just $622.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Alternator Part, don’t forget to check out other key components like Alternator Pulley Parts and Starter Parts. At Advance Auto Parts, we’re here to help you keep your 2021 Subaru Crosstrek in peak condition, inside and out.

Essential 2021 Subaru Crosstrek Alternator Parts

Carquest Premium – Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty (Part No.21120A)

Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty

from

$622.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Valeo – Alternator: New, 200 Amps (Part No.439866)

Alternator: New, 200 Amps

from

$1119.99
The Valeo premium alternator, boasting a robust 200-amp output and 12 VDC voltage, is engineered for exceptional performance and reliability. Crafted entirely from 100% new components, this alternator eliminates the risk of premature failure often associated with remanufactured units, ensuring long-lasting durability. Designed with application-specific parts for a precise fit, it incorporates premium rare earth magnets to maximize efficiency without increasing size. Rigorous testing under extreme conditions for up to six months guarantees reliability even in the harshest environments, while its high resistance to heat, vibration, and contaminants ensures consistent charge output. As an original equipment part now available in the aftermarket, this alternator is a testament to Valeo’s innovation and expertise in electrical systems since 1923. Perfect for demanding electrical needs, it delivers superior performance while boosting fuel economy, making it a valuable upgrade for your vehicle.

Product Features:
  • Valeo premium alternators are 100% new products (not remanufactured)
  • 100% new components and core eliminates premature failure for increased durability over remanufactured units
  • All parts are application specific for an exact fit
  • Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
  • All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
  • High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
  • Part Number 439866 is the original equipment part now available in the aftermarket.
See More

Carquest Premium – Alternator: Remanufactured, 220 Amps, Limited Lifetime Warranty (Part No.42060A)

Alternator: Remanufactured, 220 Amps, Limited Lifetime Warranty

from

$944.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Carquest Premium – Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty (Part No.10253A)

Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty

from

$442.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Most Popular Alternators for 2021 Subaru Crosstreks

Enhance your 2021 Subaru Crosstrek with one of the 2 Alternators we have in stock, starting at just $622.99.

Valeo – Alternator: New, 200 Amps (Part No.439866)

Alternator: New, 200 Amps

from

$1119.99
The Valeo premium alternator, boasting a robust 200-amp output and 12 VDC voltage, is engineered for exceptional performance and reliability. Crafted entirely from 100% new components, this alternator eliminates the risk of premature failure often associated with remanufactured units, ensuring long-lasting durability. Designed with application-specific parts for a precise fit, it incorporates premium rare earth magnets to maximize efficiency without increasing size. Rigorous testing under extreme conditions for up to six months guarantees reliability even in the harshest environments, while its high resistance to heat, vibration, and contaminants ensures consistent charge output. As an original equipment part now available in the aftermarket, this alternator is a testament to Valeo’s innovation and expertise in electrical systems since 1923. Perfect for demanding electrical needs, it delivers superior performance while boosting fuel economy, making it a valuable upgrade for your vehicle.

Product Features:
  • Valeo premium alternators are 100% new products (not remanufactured)
  • 100% new components and core eliminates premature failure for increased durability over remanufactured units
  • All parts are application specific for an exact fit
  • Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
  • All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
  • High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
  • Part Number 439866 is the original equipment part now available in the aftermarket.
See More

Carquest Premium – Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty (Part No.21120A)

Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty

from

$622.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

FAQs for 2021 Subaru Crosstrek Alternator Parts

What are the best-selling Alternator Parts for 2021 Subaru Crosstreks?

Out of 2 Alternator Parts that fit 2021 Subaru Crosstreks, the following parts are the top sellers:

What’s the price range for 2021 Subaru Crosstrek Alternator Parts?

The prices of Alternator Parts for the 2021 Subaru Crosstrek range from $622.99 up to $1,119.99 for the most premium parts.

What is the average price of an Alternator Part for a 2021 Subaru Crosstrek?

The average price for Alternator Parts for the 2021 Subaru Crosstrek is $871.49. Keep in mind the variety of part types within our Alternator Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Alternator Parts for other Subaru Crosstrek model years?

Yes, we carry Alternator Parts for 5 model years of Subaru Crosstreks between 2016 and 2022. The following model years are the most popular for Alternator Part purchases: 2018, 2017, 2016, 2019, 2020, and 2022.

What are the cheapest Alternator Parts for my 2021 Subaru Crosstrek?

The cheapest 2021 Subaru Crosstrek Alternator Parts we carry are:

Does Advance Auto Parts sell Alternator Parts for any other 2021 Subaru models?

Yes. We stock Alternator Parts for 1 other popular 2021 Subaru models. Some of the most popular are 2021 WRX Alternator Parts and 2021 WRX STI Alternator Parts.

What types of Alternator Parts do you sell for my 2021 Subaru Crosstrek?

We currently have just 1 Alternator Part in stock for a 2021 Subaru Crosstrek, and as of 11/2/25, it is an Alternator.

Can I get help with 2021 Subaru Crosstrek Alternator Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Subaru Alternator Parts and more.

What is your return policy for Subaru Crosstrek Alternator Parts?

Advance Auto Parts keeps returns simple. For new Subaru Crosstrek Alternator Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.