2021 Chevrolet Express 3500 Alternators and Starters

Below you will find various in-demand Chevrolet Alternators and Starters, components and accessories for your 2021 Express 3500. Advance Auto Parts has popular Express 3500 parts like Starter Parts, Alternator Parts, Alternator Pulley Parts and more. You’ll also find aftermarket and OEM Alternators and Starters for other Express 3500 model years including 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023 and more. Select a category of 2021 Chevrolet Express 3500 Alternators and Starters below and start saving instantly.

Popular 2021 Chevrolet Express 3500 Alternators and Starters Categories

Alternators

Starters

Alternator Decoupler Pulleys

Starter Bolts

Starter Solenoid Connector

Essential Alternators and Starters for 2021 Chevrolet Express 3500s

from

$325.99

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 pri

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.
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.

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

from

$359.99

The Bosch Premium Alternator delivers exceptional performance and reliability, making it an ideal choice for demanding automotive needs. With a robust 150-amp output and a clockwise rotation direction, this alternator is full-load tested to ensure compliance with Bosch’s strict performance specifications. Each unit is 100% factory tested and remanufactured – not rebuilt – guaranteeing consistent quality and long-lasting performance. Built with high-quality materials and advanced technology, it is designed to withstand the rigors of daily use while ensuring dependable power delivery for your vehicle’s electrical systems.

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.
Designed to deliver dependable power for your vehicle’s electrical systems, ensuring consistent performance under demanding conditions.
Engineered with a robust 150-amp output to meet the needs of modern automotive applications.

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.

from

$205.99

This 220-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 keeping your vehicle’s electrical system running smoothly.

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.
Built with advanced durability features to ensure long-lasting performance under demanding conditions, making it a reliable choice for maintaining your vehicle’s electrical system.

from

$52.99

WIRE CONNECTOR

from

$54.99

ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

from

$5.79

This starter bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this starter bolt matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$7.99

This starter bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this starter bolt matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$239.99

The Bosch Premium Starter is engineered for top-tier performance and reliability, making it a dependable choice for your vehicle’s ignition system. Designed with a clockwise (right) rotation and featuring a 10-tooth configuration, this starter ensures precise engagement and smooth operation. Operating at 12 VDC, it delivers consistent power to get your engine running efficiently every time. Built to Bosch’s high standards, this remanufactured starter undergoes rigorous testing to ensure durability and long-lasting performance. Whether you’re replacing a worn-out starter or upgrading for better reliability, this premium component offers excellent value and compatibility with your vehicle’s electrical system.

Product Features:

Product Features:

Engineered for top-tier performance and reliability, ensuring dependable ignition system operation.
Features a precise 10-tooth configuration for smooth and accurate engagement.
Operates at 12 VDC to deliver consistent power for efficient engine starts.
Remanufactured to Bosch’s high standards, undergoing rigorous testing for durability and long-lasting performance.
Compatible with your vehicle’s electrical system, offering excellent value and seamless integration.

from

$302.99

Carquest Professional starters are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new starters are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional starters are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new starters 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
Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
All new components are utilized to ensure long service life
Internal electronics are upgraded for heavy duty reliability (where applicable)
Armatures and commutators are 100% load tested
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

from

$412.99

Product Features:

Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strength outer case resists shorting.
Armatures have precision machined and upgraded steel shaft for improved durability and performance.
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.

from

$246.99

Carquest Premium starters are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium starters are designed to meet or exceed OE specifications for fit, form and function. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and needle 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
100% remanufactured drive clutch assembly ensures lasting performance
Armatures and commutators are 100% load tested
New motor lead terminals and solenoid contacts are used to ensure maximum connectivity
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

from

$161.99

Carquest Standard starters are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard starters 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:

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
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

from

$318.99

from

$167.99

Carquest Starters take advantage of the power of 100% NEW to restore hard working vehicles to OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest Starters are primed to keep fleets moving forward. Built to perform in severe duty environments, with high output capabilities built in through improved technical & material formulas for high power output and efficient performance

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

from

$172.99

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

from

$135.99

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
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

from

$128.99

Litens Automotive is the original equipment supplier for the 2014-2018 Chevrolet Corvette, Silverado,Tahoe, Suburban / GMC Yukon, Sierra with 4.3/5.3/6.2L . This replacement pulley is also designed and produced by Litens and is exact in all form, fit, and performance characteristics as the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). Decoupling pulleys are engine specific and should never be interchanged with other types of pulley technology. The Litens OAD type pulley is designed to free-wheel in one direction and, with an internal spring and damping device, softly engage in the opposite direction. The OAD is designed as a sacrificial part of the front-end accessory drive system, protecting other belt driven component as well as the alternator. The correct decoupler pulley ensures smooth, quiet performance as well as increasing vehicle gas mileage. Under normal driving conditions, the original pulley will require replacement in approx. 70,000 – 90,000 miles. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:

Designed and engineered by Litens Automotive. The inventor of the “OAD” (overrunning alternator decoupler).
Patented original equipment design
Protects the alternator and other front-end accessory drive components
New cap included with the OAD
Installation instructions included

from

$135.99

Litens Automotive is the original equipment supplier for the 2014-2018 Chevrolet Corvette, Silverado, Tahoe, Suburban / GMC Yukon, Sierra with 4.3/5.3/6.2L. This replacement pulley is also designed and produced by Litens and is exact in all form, fit, and performance characteristics as the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). Decoupling pulleys are engine specific and should never be interchanged with other types of pulley technology. The Litens OAD type pulley is designed to free-wheel in one direction and, with an internal spring and damping device, softly engage in the opposite direction. The OAD is designed as a sacrificial part of the front-end accessory drive system, protecting other belt driven component as well as the alternator. The correct decoupler pulley ensures smooth, quiet performance as well as increasing vehicle gas mileage. Under normal driving conditions, the original pulley will require replacement in approx. 70,000 – 90,000 miles. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:

Designed and engineered by Litens Automotive. The inventor of the “OAD” (overrunning alternator decoupler).
Patented original equipment design
Protects the alternator and other front-end accessory drive components
New cap included with the OAD
Installation instructions included

from

$61.99

Litens Automotive is the original equipment (O.E.) supplier for this application. This replacement alternator pulley is also designed and produced by Litens and is exact in all form, fit, and performance characteristics as the original equipment part. Decoupling pulleys are engine specific and should never be interchanged with other types of pulley technology. The Litens OAD type pulley is designed to free-wheel in one direction and, with an internal spring and damping device, softly engage in the opposite direction. The OAD is designed as a sacrificial part of the front-end accessory drive system, protecting other belt driven component as well as the alternator. The correct decoupler pulley ensures smooth, quiet performance as well as increasing vehicle gas mileage. Patented Original Equipment Design. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:

Designed and engineered by Litens Automotive. The inventor of the OAD (Overrunning Alternator Decoupler)
Protects the alternator and other front-end accessory drive components
17mm Hex tool included in kit to assist in removal and installation
New cap included with the OAD (Always ensure the cap is installed after installation)
Installation instructions included

Upgrade your 2021 Chevrolet Express 3500 with Top-Quality Alternators and Starters

When it comes to maintaining or upgrading your 2021 Chevrolet Express 3500, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Chevrolet or enhancing its overall performance, Alternators and Starters are key to keeping your Express 3500 functioning at its best. At Advance Auto Parts, we offer a wide selection of 14 Alternators and Starters for the 2021 Chevrolet Express 3500, designed to meet your needs without breaking the bank. From Starter Part replacements to Alternator Parts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Alternators and Starters for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Alternators and Starters for your 2021 Chevrolet Express 3500 at great prices. Our Alternators and Starters inventory for this model ranges from just $5.79 to $621.99, with an average price of $291.26. Our 14 Alternators and Starters in stock come from 6 trusted brands, so you’re sure to find the right part for your 2021 Chevrolet Express 3500 without overspending.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Alternators and Starter upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2021 Chevrolet Express 3500 is always ready to roll. We’re committed to providing you with everything you need to keep your Express 3500 in top shape, all in one place. Start shopping confidently below for your 2021 Chevrolet Express 3500!

Best-Selling Starter Parts for 2021 Chevrolet Express 3500s

Enhance the driving experience in your Chevrolet with 6 quality Starter Part components, starting at $5.79.

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from

$5.79

This starter bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this starter bolt matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$412.99

Product Features:

Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strength outer case resists shorting.
Armatures have precision machined and upgraded steel shaft for improved durability and performance.
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.

from

$284.99

from

$251.99

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
100% remanufactured drive clutch assembly ensures lasting performance
Armatures and commutators are 100% load tested
New motor lead terminals and solenoid contacts are used to ensure maximum connectivity
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

from

$239.99

Product Features:

Engineered for top-tier performance and reliability, ensuring dependable ignition system operation.
Features a precise 10-tooth configuration for smooth and accurate engagement.
Operates at 12 VDC to deliver consistent power for efficient engine starts.
Remanufactured to Bosch’s high standards, undergoing rigorous testing for durability and long-lasting performance.
Compatible with your vehicle’s electrical system, offering excellent value and seamless integration.

from

$52.99

WIRE CONNECTOR

Most Popular 2021 Chevrolet Express 3500 Alternator Parts

Customize your Chevrolet with 7 Alternator Parts products like Alternators, all priced under $621.99.

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from

$431.99

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

from

$439.99

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

from

$621.99

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

from

$508.99

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 comes with a printed copy of test results, giving you confidence in its performance from the very first use. With WAI’s commitment to quality, this alternator is a dependable solution for keeping your vehicle powered and running smoothly.

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.
Built with a focus on efficiency, the alternator’s low saturation voltage reduces energy loss, contributing to improved overall performance and reliability.

Alternator: New, 150 Amps, 2 Year Limited Warranty

from

$417.99

GM Genuine Parts Alternators are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These alternators provide power to the vehicle’s electrical systems and charge the battery while the engine is running. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Newly manufactured as an exact replacement for your GM vehicle’s original alternator
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

from

$409.99

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

from

$359.99

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.
Designed to deliver dependable power for your vehicle’s electrical systems, ensuring consistent performance under demanding conditions.
Engineered with a robust 150-amp output to meet the needs of modern automotive applications.

Top Picks for 2021 Chevrolet Express 3500 Alternator Pulley Parts

Upgrade Chevrolet Express 3500s with top-quality Alternator Pulley Parts parts, including 1 OEM and aftermarket selections for your 2021 model.

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from

$61.99

Designed and engineered by Litens Automotive. The inventor of the OAD (Overrunning Alternator Decoupler)
Protects the alternator and other front-end accessory drive components
17mm Hex tool included in kit to assist in removal and installation
New cap included with the OAD (Always ensure the cap is installed after installation)
Installation instructions included

FAQs for 2021 Chevrolet Express 3500 Alternators and Starters

Which Alternators and Starters are best-sellers for 2021 Chevrolet Express 3500s?

Out of 14 Alternators and Starters that fit 2021 Chevrolet Express 3500s, the following parts are the top sellers:

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (11945966) – $439.99
Starter Mounting Bolt, Type 1 Long (11839849) – $5.79
Starter: 1.4kW/12 Volt, CW, 10Tooth Pinion (12161681) – $412.99

What’s the price range for 2021 Chevrolet Express 3500 Alternators and Starters?

Alternators and Starter prices for the 2021 Chevrolet Express 3500 start at $5.79 and go up to $621.99 for the most premium parts.

What’s the average price of a Alternators and Starter for a 2021 Chevrolet Express 3500?

The average price for Alternators and Starters for the 2021 Chevrolet Express 3500 is $291.26. Keep in mind the variety of part types within our Alternators and Starter category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Alternators and Starters for other Chevrolet Express 3500 model years?

Yes, we currently carry Alternators and Starters for 28 model years of Chevrolet Express 3500s between 1996 and 2025. Alternators and Starters are bought most frequently for the following model years: 2023, 2022, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Alternators and Starters for my 2021 Chevrolet Express 3500?

The cheapest 2021 Chevrolet Express 3500 Alternators and Starters we carry in stock are:

Starter Mounting Bolt, Type 1 Long (11839849) – $5.79
WIRE CONNECTOR (50130729) – $52.99
Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (50065916) – $61.99
Starter: Remanufactured (12616337) – $239.99
Starter: Remanufactured, Limited Lifetime Warranty (12519271) – $251.99

What are the top-rated Alternators and Starters that fit the 2021 Chevrolet Express 3500?

Out of 9 reviews by customers, our 2021 Chevrolet Express 3500 Alternators and Starters have an average customer rating of . These are some of the highest-rated Alternators and Starter types for the 2021 Chevrolet Express 3500 and their top-rated products:

Alternator Parts
- Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (11888440) – $431.99

What types of Alternators and Starters do you sell for my 2021 Chevrolet Express 3500?

As of 11/2/25, these are some of the most in-demand types of Alternators and Starters for a 2021 Chevrolet Express 3500:

Can I get help with 2021 Chevrolet Express 3500 Alternators and Starter orders?

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

What is your return policy for Chevrolet Express 3500 Alternators and Starters?

Advance Auto Parts keeps returns simple. For new Chevrolet Express 3500 Alternators and Starters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2021 Chevrolet Express 3500 Alternators and Starters

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

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

Bosch – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.AL8866X)

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

WAI – Delco Cs130D Ir/If 220 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.8206N-HO)

GM Genuine Parts – WIRE CONNECTOR (Part No.PT2971)

GM Genuine Parts – 5-Way Female Black Multi-Purpose Pigtail (Part No.PT1332)

Dorman – Help – Starter Mounting Bolt, Type 1 Long (Part No.72004)

Dorman – Starter Mounting Bolt, Type-2 Long, 3/8-16 X 4- 5/16 In., GM 4.4,5,5.7 L (Sold by each) (Part No.678-107)

Bosch – Starter: Remanufactured (Part No.SR8673X)

Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6469SN)

WAI – Starter: 1.4kW/12 Volt, CW, 10Tooth Pinion (Part No.10910N)

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6942S)

Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.6492SV)

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.52054S)

Carquest HD Electrical – Starter: New, 12V, 11 Tooth (Part No.72-6492N)

Carquest HD Electrical – Starter: New, 12V, 9 Tooth (Part No.72-6483N)

Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.6494SV)

Litens – Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (Part No.920030A)

Litens – Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (Part No.920031A)

Litens – Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (Part No.920112A)

Dorman – Help – Starter Mounting Bolt, Type 1 Long (Part No.72004)

WAI – Starter: 1.4kW/12 Volt, CW, 10Tooth Pinion (Part No.10910N)

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.19134S)

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.16046S)

Bosch – Starter: Remanufactured (Part No.SR8673X)

GM Genuine Parts – WIRE CONNECTOR (Part No.PT2971)

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.11785A)

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.42074A)

Carquest Premium – Alternator: Remanufactured, 220 Amps, Limited Lifetime Warranty (Part No.10412A)

WAI – Denso Hairpin Ir/If 150 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.14007N)

GM Genuine Parts – Alternator: New, 150 Amps, 2 Year Limited Warranty (Part No.84143543)

Carquest Premium – Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty (Part No.11902A)

Bosch – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.AL8866X)

Litens – Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (Part No.920112A)