2021 Chevrolet Silverado 1500 Alternator Parts

Keep Your 2021 Chevrolet Silverado 1500 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 Chevrolet Silverado 1500 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 Chevrolet Silverado 1500 Alternator Part at Advance Auto Parts is around $603.99, with a range that starts at $558.99 and goes up to $618.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Alternator: Remanufactured, 250 Amps and Alternator: Remanufactured, 250 Amps start at just $558.99 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 Chevrolet Silverado 1500 in peak condition, inside and out.

Essential 2021 Chevrolet Silverado 1500 Alternator Parts

Carquest Premium – Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty (Part No.11364A)

Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty

from

$294.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading 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 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:
  • 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 Standard – Alternator: Remanufactured, 145 Amps, 1 Year Limited Warranty (Part No.8464AV)

Alternator: Remanufactured, 145 Amps, 1 Year Limited Warranty

from

$169.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. 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 OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • 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

WAI – Bosch Ir/If 150 Amp/12 Volts, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.11075N)

Bosch Ir/If 150 Amp/12 Volts, Cw, 6-Groove Pulley, Limited Lifetime Warranty

from

$197.99
This 150-amp alternator from WAI is engineered to deliver exceptional performance and reliability, making it a top choice for aftermarket replacements. Designed to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. The advanced voltage regulator protection safeguards against transient voltage spikes, preventing potential battery damage, while its low saturation voltage minimizes heat dissipation for enhanced durability. Featuring a high-power rectifier assembly with open junction press-fit diodes, this alternator is built to run cooler and more efficiently. Each unit is rigorously tested, and a printed copy of the test results is included, giving you confidence in its performance from the moment it powers on. With WAI’s commitment to quality, this alternator is a dependable solution for maintaining your vehicle’s electrical system.

Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Voltage regulator protection – load dump protected against transient voltage spikes avoiding potential battery damage. Low saturation voltage results in lower heat dissipation. Fully compliant in communication with ECU.
  • High power rectifier assembly is designed with higher power open junction press fit diodes to keep the units running cool.
  • Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
  • Rigorously tested for exceptional performance and reliability, ensuring long-lasting operation and peace of mind.
See More

Bosch – Alternator: New, 105 Amps, Limited Lifetime Warranty (Part No.AL8730N)

Alternator: New, 105 Amps, Limited Lifetime Warranty

from

$239.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for demanding driving conditions. Engineered with 100% new components, it is built to endure the harshest environments, ensuring optimal functionality and an extended lifespan. Designed to handle excessive heat and high electrical demands, this alternator provides consistent power with a 105-amp rating and 12 VDC output. Its clockwise rotation and precisely gauged, resized, or rethreaded mounting points ensure a perfect fit for seamless installation. As an added benefit, every purchase includes free 24-hour Roadside Assistance Protection, offering peace of mind on the road. Choose Bosch for a durable, high-performance alternator that keeps your vehicle running smoothly.

Product Features:


    Product Features:
    • 100% new components withstand the harshest environments for the best performance and longest life
    • Built specifically to withstand excessive heat and high electrical demands.
    • All mounting points 100% gauged and resized or rethreaded for proper fit
    • Free 24-hour Roadside Assistance Protection with purchase of any Bosch Alternator
    • Engineered for consistent power delivery, the 105-amp rating ensures reliable performance to meet demanding electrical needs.
See More

Carquest HD Electrical – Alternator: New, 253 Amps, With Pulley (Part No.71-8292N-253A)

Alternator: New, 253 Amps, With Pulley

from

$326.99
Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are primed to keep you moving forward. Built to perform in severe duty environments where consistent efficient high outputs are required.

Product Features:


    Product Features:
    • Contains Innovative Brush-less and Premium Brush Components that have been tested and certified for highest possible power output
    • Stator – wound to OE specifications. Heavy coated Polyester wire provides consistent conductivity
    • Premium Transpo rectifiers use 13mm press fit Diodes for maximum performance
    • Rotor shafts CNC machined & precision balanced to eliminate vibration
    • Over-Voltage shutdown limits voltage if output terminal is disconnected form the battery
    • Load dump protection ensures transient voltage spikes do not damage transistor
    • Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
See More

Carquest Professional – Alternator: New, 105 Amps, Limited Lifetime Warranty (Part No.8247AN)

Alternator: New, 105 Amps, Limited Lifetime Warranty

from

$255.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading 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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • All new components are utilized to ensure long service life
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 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
  • Rotors and stators are load tested and double insulated for maximum charging performance
See More

Bosch – Alternator: Remanufactured, 145 Amps, 2 Year Limited Warranty (Part No.AL8515X)

Alternator: Remanufactured, 145 Amps, 2 Year Limited Warranty

from

$222.99
The Bosch Premium Alternator, remanufactured to deliver 145 amps of power, is engineered for peak performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures consistent and dependable operation. With a 12 VDC voltage rating and clockwise rotation direction, it is designed to integrate seamlessly into your vehicle’s electrical system. Built using high-quality materials and advanced technology, it offers exceptional durability to withstand demanding conditions. Unlike rebuilt units, this alternator is 100% factory tested and remanufactured for superior quality and longevity. Whether you’re upgrading or replacing, this alternator provides unmatched value and reliability for your vehicle’s electrical needs.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Seamless integration into your vehicle’s electrical system with a 12 VDC voltage rating and clockwise rotation direction.
    • Engineered to withstand demanding conditions, ensuring consistent and dependable operation over time.
See More

Carquest Professional – Alternator: New, 160 Amps, Limited Lifetime Warranty (Part No.11075AN)

Alternator: New, 160 Amps, Limited Lifetime Warranty

from

$274.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading 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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • All new components are utilized to ensure long service life
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • Application-specific technical bulletins included where applicable
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
  • Rotors and stators are load tested and double insulated for maximum charging performance
See More

GM Genuine Parts – Alternator: Remanufactured, 130 Amps, 2 Year Limited Warranty (Part No.321-2123)

Alternator: Remanufactured, 130 Amps, 2 Year Limited Warranty

from

$495.99
Alternator: Remanufactured, 130 Amps delivers reliable performance with a 130-amp output and 12 VDC voltage, ensuring your vehicle’s electrical system operates efficiently. Designed with a clockwise rotation direction and part of the trusted DELCO AD244 LN31 family, this alternator is remanufactured to industry standards, promoting sustainability by returning parts to service instead of discarding them. Tested rigorously to meet GM specifications, it guarantees compatibility and dependable functionality for GM vehicles. Some ACDelco GM Original Equipment parts, like this alternator, may have previously been branded as GM Genuine Parts (OE) or ACDelco Professional, reflecting its high-quality craftsmanship. This alternator is an excellent choice for those seeking durability, performance, and value in a remanufactured component.

Product Features:


    Product Features:
    • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
    • Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
    • Tested to ensure they perform to GM specifications
    • Designed with a clockwise rotation direction, ensuring seamless integration and optimal performance within compatible GM vehicles.
    • Part of the trusted DELCO AD244 LN31 family, offering reliability and consistency in electrical system functionality.
See More

Bosch – Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty (Part No.AL8855X)

Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty

from

$251.99
The Bosch Premium Alternator, delivering 145 amps and operating at 12 VDC with a clockwise rotation, is engineered for exceptional performance and reliability. Each unit is 100% factory tested and remanufactured – not rebuilt – to meet Bosch’s rigorous performance standards. Full-load testing ensures compliance with strict specifications, while high-quality materials and advanced technology enhance durability and longevity. Whether you’re replacing a worn-out alternator or upgrading for better performance, this alternator is built to last and provide consistent power for your vehicle’s electrical systems. Trust Bosch for a dependable solution that keeps your vehicle running smoothly.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Engineered for consistent power delivery to support your vehicle’s electrical systems effectively.
    • Designed for exceptional reliability, ensuring smooth operation and reduced downtime.
See More

Carquest HD Electrical – Alternator: New, 160 Amps (Part No.71-8301N)

Alternator: New, 160 Amps

from

$226.99
Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are primed to keep you moving forward. Built to perform in severe duty environments where consistent efficient high outputs are required.

Product Features:
  • High quality components form the foundation our parts are built from. Transpo¿s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
  • High quality components form the foundation our parts are built from. Transpo┐s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
  • Power & Efficiency are designed into every component. No matter the ambient temperature, starters will provide maximum cranking power to get engines running.
  • Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
  • Integrated magnetic switch provides protection against weak power from batteries.
  • Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
  • Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf
  • Load dump protection ensures transient voltage spikes do not damage transistor
  • Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
See More

Carquest Premium – Alternator: Remanufactured, 125 Amps, Limited Lifetime Warranty (Part No.11234A)

Alternator: Remanufactured, 125 Amps, Limited Lifetime Warranty

from

$229.99
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

WAI – Delco Dr37 Ir/If 145 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.8550N)

Delco Dr37 Ir/If 145 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty

from

$242.99
Experience the reliability and performance of this 145-amp alternator, meticulously engineered to meet or exceed OEM specifications for a seamless fit and effortless installation. Designed with advanced voltage regulator protection, it safeguards against transient voltage spikes, preventing potential battery damage while ensuring efficient communication with the ECU. The high-power rectifier assembly features robust open junction press-fit diodes, keeping the unit cool even under demanding conditions. With low saturation voltage, heat dissipation is minimized, enhancing durability and efficiency. Each unit is rigorously tested, and a printed copy of the test results is included, giving you confidence in its performance from the very first use. Trust in WAIs commitment to superior quality and innovation for a dependable solution to your vehicles electrical needs.

Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Voltage regulator protection – load dump protected against transient voltage spikes avoiding potential battery damage. Low saturation voltage results in lower heat dissipation. Fully compliant in communication with ECU.
  • High power rectifier assembly is designed with higher power open junction press fit diodes to keep the units running cool.
  • Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
  • Rigorously tested for durability and efficiency, ensuring reliable performance under demanding conditions.
See More

Carquest Professional – Alternator: New, 125 Amps, Limited Lifetime Warranty (Part No.11234AN)

Alternator: New, 125 Amps, Limited Lifetime Warranty

from

$466.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading 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
    • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • All new components are utilized to ensure long service life
    • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
    • Internal electronics are upgraded for heavy duty reliability (where applicable)
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 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
    • Rotors and stators are load tested and double insulated for maximum charging performance
See More

Carquest Standard – Alternator: Remanufactured, 105 Amps, 1 Year Limited Warranty (Part No.8247AV)

Alternator: Remanufactured, 105 Amps, 1 Year Limited Warranty

from

$155.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. 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 OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • 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

GM Genuine Parts – Alternator: Remanufactured, 105 Amps (Part No.321-2108)

Alternator: Remanufactured, 105 Amps

from

$389.99
Alternator: Remanufactured, 105 Amps delivers reliable performance with a 105-amp output and 12 VDC voltage, ensuring consistent power for your vehicle’s electrical systems. Designed with a clockwise rotation direction and part of the trusted DELCO AD230 LN31 family, this alternator meets GM specifications for quality and dependability. Featuring ACDelco GM Original Equipment standards, it benefits from remanufacturing, an eco-friendly process that restores parts to service rather than discarding them. Each unit undergoes rigorous testing to guarantee optimal functionality, making it a durable and cost-effective solution for your vehicle.

Product Features:


    Product Features:
    • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
    • Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
    • Tested to ensure they perform to GM specifications
    • Provides consistent 105-amp output to support your vehicle’s electrical systems effectively.
    • Designed with a clockwise rotation direction for seamless compatibility with GM vehicles.
See More

Carquest HD Electrical – Alternator: New, 145 Amps, With Pulley (Part No.71-8292N)

Alternator: New, 145 Amps, With Pulley

from

$245.99
Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are primed to keep you moving forward. Built to perform in severe duty environments where consistent efficient high outputs are required.

Product Features:


    Product Features:
    • Contains Innovative Brush-less and Premium Brush Components that have been tested and certified for highest possible power output
    • Stator – wound to OE specifications. Heavy coated Polyester wire provides consistent conductivity
    • Premium Transpo rectifiers use 13mm press fit Diodes for maximum performance
    • Rotor shafts CNC machined & precision balanced to eliminate vibration
    • Over-Voltage shutdown limits voltage if output terminal is disconnected form the battery
    • Load dump protection ensures transient voltage spikes do not damage transistor
    • Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
See More

Carquest Professional – Alternator: New, 145 Amps, Limited Lifetime Warranty (Part No.8292AN)

Alternator: New, 145 Amps, Limited Lifetime Warranty

from

$292.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading 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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • All new components are utilized to ensure long service life
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 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
  • Rotors and stators are load tested and double insulated for maximum charging performance
See More

Carquest Standard – Alternator: Remanufactured, 130 Amps, 1 Year Limited Warranty (Part No.8237AV)

Alternator: Remanufactured, 130 Amps, 1 Year Limited Warranty

from

$139.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. 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 OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • 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, 170 Amps, Limited Lifetime Warranty (Part No.42093A)

Alternator: Remanufactured, 170 Amps, Limited Lifetime Warranty

from

$528.99
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

Bosch – Alternator: Remanufactured, 105 Amps, 2 Year Limited Warranty (Part No.AL8787X)

Alternator: Remanufactured, 105 Amps, 2 Year Limited Warranty

from

$305.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for your vehicle’s electrical system. With a robust 105-amp output and 12 VDC voltage, this alternator ensures consistent power delivery for all your automotive needs. Engineered with precision, it features full-load testing to meet Bosch’s stringent performance standards and is 100% factory tested for quality assurance. Unlike rebuilt units, this alternator is remanufactured using high-quality materials and cutting-edge technology, ensuring long-lasting durability. Its clockwise rotation direction and advanced design make it a dependable replacement part that stands up to demanding conditions. Choose Bosch for a premium alternator that combines superior functionality with unmatched reliability.

Product Features:


    Product Features:
    • Full-load tested to guarantee compliance with Bosch’s strict performance specifications
    • 100% factory tested, units are remanufactured (not rebuilt)
    • Built to last – uses high quality materials and the most technologically advanced developments.
    • Clockwise rotation direction enhances compatibility and seamless integration with your vehicle’s electrical system.
See More

Carquest HD Electrical – Alternator: New, 105 Amps (Part No.71-8247N)

Alternator: New, 105 Amps

from

$201.99
Carquest Alternators with 100% NEW construction will restore hard working vehicles to exceed OE specified performance and endurance. All new units offer unmatched performance and reduce downtime.

Product Features:


    Product Features:
    • Contains Innovative Brush-less and Premium Bruch Components that have been tested and certified for highest possible power output
    • Stator wound to OE specifications. Heavy Coated Polyester wire provides consistent conductivity
    • Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
    • Integrated magnetic switch provides protection against weak power from batteries.
    • Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
    • Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf
    • Load dump protection ensures transient voltage spikes do not damage transistor
    • Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
See More

Valeo – Alternator: New, 150 Amps (Part No.849158)

Alternator: New, 150 Amps

from

$274.99
This premium Valeo alternator, delivering a robust 150-amp output at 14 VDC, is engineered for exceptional performance and reliability. Built entirely from 100% new components, it eliminates the risks associated with remanufactured units, ensuring long-lasting durability. Designed with application-specific precision, it guarantees an exact fit for seamless installation. Featuring premium rare earth magnets, this alternator maximizes output without increasing size, enhancing efficiency and fuel economy. Rigorous testing under extreme conditions for up to six months ensures its reliability in the harshest environments, while its high resistance to heat, vibration, and contaminants maintains optimal charge output. With a clockwise rotation direction and award-winning innovation, this Valeo alternator is a top-tier choice for those seeking superior electrical performance and durability.

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
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ACDelco – Alternator: Remanufactured, 105 Amps (Part No.334-2491A)

Alternator: Remanufactured, 105 Amps

from

$205.99
ACDelco Gold (Professional) Remanufactured Alternators are the high quality alternative to Original Equipment (OE) parts. These alternators use high-quality bearings with high-temp lubricant and double-lipped rubber seals. Rotors and stators are electronically tested and then sealed with secondary insulating coating. Remanufacturing alternators is an industry standard practice that involves disassembly of existing units, and replacing components that are most prone to wear with new components. Damaged and obsolete parts are replaced and are end of line tested to ensure they perform to ACDelco specifications. In addition, remanufacturing returns components back into service rather than processing as scrap or simply disposing of them. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • Remanufactured using consistent quality processes; not just rebuilt
  • Alternators use high-quality bearings with high-temp lubricant and double-lipped rubber seals, reducing friction, vibration, and noise
  • Rotors and stators are electronically tested and then sealed with secondary insulating coating to help prevent shorts
  • Performance-tested and inspected to ensure they meet your expectations for quality design and component specifications
  • Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
  • Tested to ensure they perform to ACDelco specifications
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Carquest Premium – Alternator: Remanufactured, 250 Amps (Part No.10440A)

Alternator: Remanufactured, 250 Amps

from

$558.99
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
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Carquest Premium – Alternator: Remanufactured, 170 Amps, Limited Lifetime Warranty (Part No.10369A)

Alternator: Remanufactured, 170 Amps, Limited Lifetime Warranty

from

$479.99
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
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Carquest Premium – Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty (Part No.11076A)

Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty

from

$229.99
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, 150 Amps, Limited Lifetime Warranty (Part No.42074A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$439.99
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
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Most Popular Alternators for 2021 Chevrolet Silverado 1500s

Enhance your 2021 Chevrolet Silverado 1500 with one of the 2 Alternators we have in stock, starting at just $558.99.

Carquest Premium – Alternator: Remanufactured, 250 Amps (Part No.10459A)

Alternator: Remanufactured, 250 Amps

from

$618.99
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, 250 Amps (Part No.10440A)

Alternator: Remanufactured, 250 Amps

from

$558.99
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 Chevrolet Silverado 1500 Alternator Parts

What are the best-selling Alternator Parts for 2021 Chevrolet Silverado 1500s?

Out of 2 Alternator Parts that fit 2021 Chevrolet Silverado 1500s, the following parts are the top sellers:

What’s the price range for 2021 Chevrolet Silverado 1500 Alternator Parts?

The prices of Alternator Parts for the 2021 Chevrolet Silverado 1500 range from $558.99 up to $618.99 for the most premium parts.

What is the average price of an Alternator Part for a 2021 Chevrolet Silverado 1500?

The average price for Alternator Parts for the 2021 Chevrolet Silverado 1500 is $603.99. 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 Chevrolet Silverado 1500 model years?

Yes, we carry Alternator Parts for 21 model years of Chevrolet Silverado 1500s between 1999 and 2022. The following model years are the most popular for Alternator Part purchases: 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, and 2010.

What are the cheapest Alternator Parts for my 2021 Chevrolet Silverado 1500?

The cheapest 2021 Chevrolet Silverado 1500 Alternator Parts we carry are:

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

Yes. We stock Alternator Parts for 10 other popular 2021 Chevrolet models. Some of the most popular are 2021 Malibu Alternator Parts, 2021 Camaro Alternator Parts, 2021 Express 2500 Alternator Parts, 2021 Express 3500 Alternator Parts, and 2021 Equinox Alternator Parts.

What types of Alternator Parts do you sell for my 2021 Chevrolet Silverado 1500?

We currently have just 1 Alternator Part in stock for a 2021 Chevrolet Silverado 1500, and as of 11/2/25, it is an Alternator.

Can I get help with 2021 Chevrolet Silverado 1500 Alternator Part orders?

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

What is your return policy for Chevrolet Silverado 1500 Alternator Parts?

Advance Auto Parts keeps returns simple. For new Chevrolet Silverado 1500 Alternator Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.