2015 GMC Sierra 3500 HD Alternators and Starters

Essential Alternators and Starters for 2015 GMC Sierra 3500 HDs

Dorman – Ignition Lock Cylinder: Three Keys Included, OE Fix; with Onboard Programming (Part No.924-796)

Ignition Lock Cylinder: Three Keys Included, OE Fix; with Onboard Programming

from

$124.99
This ignition lock cylinder is designed to match the fit and function of the original on specified GM vehicles. It comes complete with one valet key used for installation setup and 2 transponder keys. The transponder keys require programming with an appropriate scan tool.

Product Features:
  • Direct replacement – this ignition lock cylinder is designed to match the fit and function of the original on specified GM vehicles
  • Restores function – engineered to ensure proper operation of the ignition key when the original cylinder is binding or has failed
  • Programming required – the included transponder keys will require programming with an appropriate scan tool
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Ignition Lock Cylinder (Part No.CSC2679)

Ignition Lock Cylinder

from

$152.99
The Ignition switch is the main power switched distribution point in every vehicle. The ignition switch in some manner will be connected directly to the vehicle battery and then supply power out to every operating system in the vehicle that is required to be connected and disconnected from the vehicle’s battery or power source.

Product Features:
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure confidence and product reliability, every time.
  • 100% end-of-line tested to ensure confidence and product reliability, every time.
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Dorman – Ignition Lock Cylinder: Un-Coded (Part No.924-716)

Ignition Lock Cylinder: Un-Coded

from

$109.99
This ignition lock cylinder is designed to match the fit, function and performance of the original equipment part on specified vehicles. It is engineered to help restore ignition lock function when an original cylinder is broken or worn out.

Product Features:
  • Direct replacement – this ignition lock cylinder matches the fit and function of the original equipment assembly on certain vehicle years, makes and models
  • Ideal solution – engineered to help restore and ensure the functionality of the lock cylinder
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Ignition Lock Cylinder (Part No.CSC2373)

Ignition Lock Cylinder

from

$86.99
The Ignition switch is the main power switched distribution point in every vehicle. The ignition switch in some manner will be connected directly to the vehicle battery and then supply power out to every operating system in the vehicle that is required to be connected and disconnected from the vehicle’s battery or power source.

Product Features:
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure confidence and product reliability, every time.
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Dorman – Help – Starter Mounting Bolt, Type 1 Long (Part No.72004)

Starter Mounting Bolt, Type 1 Long

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
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Litens – Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (Part No.920111A)

Overrunning Alternator Decoupling (OAD) Pulley - Original Equipment Quality

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$67.99
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
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Litens – Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (Part No.920030A)

Overrunning Alternator Decoupling (OAD) Pulley - Original Equipment Quality

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

Overrunning Alternator Decoupling (OAD) Pulley - Original Equipment Quality

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

Overrunning Alternator Decoupling (OAD) Pulley - Original Equipment Quality

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
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ACDelco – Starter: Remanufactured (Part No.336-1932A)

Starter: Remanufactured

from

$208.99
Product Features:
  • Remanufactured using consistent quality processes; not just rebuilt
  • Starters have new bronze sintered and oil-impregnated armature bushings
  • Solenoid contacts are new with copper terminals and plated hardware
  • Performance-tested and inspected to ensure they meet your expectations for quality design and component specifications
  • Designed to meet the fit, form, and function expectations for a wide range of vehicles, including General Motors and special applications.
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Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6971SN)

Starter: New, Limited Lifetime Warranty

from

$373.99
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
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Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6942S)

Starter: Remanufactured, Limited Lifetime Warranty

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
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Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6942SN)

Starter: New, Limited Lifetime Warranty

from

$268.99
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:
  • 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
  • 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
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GM Genuine Parts – Starter: Remanufactured (Part No.323-1661)

Starter: Remanufactured

from

$259.99
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
  • Incorporates new components in high-wear areas to enhance longevity and maintain optimal functionality.
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Carquest HD Electrical – Starter: New (Part No.72-6942N)

Starter: New

from

$218.99
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.
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Carquest Premium – Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty (Part No.8302A)

Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty

from

$221.99
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
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Bosch – Alternator: Remanufactured, 160 Amps, 2 Year Limited Warranty (Part No.AL8555X)

Alternator: Remanufactured, 160 Amps, 2 Year Limited Warranty

from

$344.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for demanding automotive applications. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures consistent power delivery with its 160-amp rating and 12 VDC output. Remanufactured using advanced technology and high-quality materials, it offers durability that stands the test of time. Unlike rebuilt units, Bosch’s remanufactured alternators undergo 100% factory testing to guarantee optimal functionality. Designed for clockwise rotation, this alternator is engineered to provide seamless compatibility and dependable operation. Whether you’re upgrading or replacing, this alternator combines precision engineering with long-lasting value, ensuring your vehicle stays powered under all conditions.

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 seamless compatibility, ensuring dependable operation in demanding automotive applications.
    • Designed with a 160-amp rating to deliver consistent and reliable power under all conditions.
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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
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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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WAI – Denso Hairpin Ir/If 150 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.14007N)

Denso Hairpin Ir/If 150 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty

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.
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Carquest Premium – Alternator: Remanufactured, 220 Amps, Limited Lifetime Warranty (Part No.10353A)

Alternator: Remanufactured, 220 Amps, Limited Lifetime Warranty

from

$567.99
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 – Multi-Use Connector (Part No.PTA1229)

Multi-Use Connector

from

$46.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Multi-Use Connector (Part No.PTA1201)

Multi-Use Connector

from

$31.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Multi-Use Connector (Part No.PTA1117)

Multi-Use Connector

from

$44.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Upgrade your 2015 GMC Sierra 3500 HD with Top-Quality Alternators and Starters

When it comes to maintaining or upgrading your 2015 GMC Sierra 3500 HD, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Alternators and Starters are key to keeping your Sierra 3500 HD functioning at its best. At Advance Auto Parts, we offer a wide selection of 20 Alternators and Starters for the 2015 GMC Sierra 3500 HD, designed to meet your needs without breaking the bank. From Ignition Lock Part replacements to Starter 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 2015 GMC Sierra 3500 HD at great prices. Our Alternators and Starters inventory for this model ranges from just $5.79 to $579.99, with an average price of $265.79. Our 20 Alternators and Starters in stock come from 9 trusted brands, so you’re sure to find the right part for your 2015 GMC Sierra 3500 HD without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2015 GMC Sierra 3500 HD, we stock popular OEM and aftermarket Alternators and Starters from top names like Carquest Premium, and more. Carquest Premium Alternators and Starters start at just $246.99 and boast an impressive 4.4 stars average rating from customers. With 160 customer reviews and counting, our 2015 GMC Sierra 3500 HD Alternators and Starters have a strong track record of reliability, ensuring you can trust your purchase.

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 2015 GMC Sierra 3500 HD is always ready to roll. We’re committed to providing you with everything you need to keep your Sierra 3500 HD in top shape, all in one place. Start shopping confidently below for your 2015 GMC Sierra 3500 HD!

Best-Selling Ignition Lock Parts for 2015 GMC Sierra 3500 HDs

Enhance the driving experience in your GMC with 1 quality Ignition Lock Part components, starting at $152.99.

Carquest Premium – Ignition Lock Cylinder (Part No.CSC2679)

Ignition Lock Cylinder

from

$152.99
The Ignition switch is the main power switched distribution point in every vehicle. The ignition switch in some manner will be connected directly to the vehicle battery and then supply power out to every operating system in the vehicle that is required to be connected and disconnected from the vehicle’s battery or power source.

Product Features:
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure confidence and product reliability, every time.
  • 100% end-of-line tested to ensure confidence and product reliability, every time.
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Most Popular 2015 GMC Sierra 3500 HD Starter Parts

Customize your GMC with 10 Starter Parts products like Starters and Starter Bolts, all priced under $385.99.

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

Starter: Remanufactured, Limited Lifetime Warranty

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
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Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.19140S)

Starter: Remanufactured, Limited Lifetime Warranty

from

$223.99
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.
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Dorman – Help – Starter Mounting Bolt, Type 1 Long (Part No.72004)

Starter Mounting Bolt, Type 1 Long

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
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Carquest HD Electrical – Starter: New (Part No.72-6942N)

Starter: New

from

$218.99
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.
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Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6942SN)

Starter: New, Limited Lifetime Warranty

from

$268.99
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:
  • 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
  • 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
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Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.19140SN)

Starter: New, Limited Lifetime Warranty

from

$385.99
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
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GM Genuine Parts – Starter: Remanufactured (Part No.323-1661)

Starter: Remanufactured

from

$259.99
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
  • Incorporates new components in high-wear areas to enhance longevity and maintain optimal functionality.
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Powermaster Performance – Starter: Hitachi Style Starter, 168 Tooth Count, Up To 11:1 Compression, Natural (Part No.9109)

Starter: Hitachi Style Starter, 168 Tooth Count, Up To 11:1 Compression, Natural

from

$228.99
The PowerMAX starter is the perfect choice for everyday drivers seeking reliable performance with stock compression and timing setups. Designed with a lightweight construction, it ensures easy handling and installation, making it a practical solution for routine maintenance or upgrades. Featuring easy indexing, this starter allows for precise alignment, enhancing its compatibility and ease of use. Built in the Hitachi style with a robust 168-tooth count, it delivers consistent and efficient cranking power to get your engine running smoothly. Whether you’re replacing a worn-out starter or upgrading for better reliability, the PowerMAX starter offers durability and value, ensuring dependable starts every time.

Product Features:
  • Lightweight
  • Easy Indexing
  • Hitachi Style Starter
  • 168 Tooth Count
  • Designed for reliable performance with stock compression and timing setups, ensuring dependable starts for everyday driving needs.
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Bosch – Starter: Remanufactured (Part No.SR8640X)

Starter: Remanufactured

from

$198.99
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 11 teeth, this starter ensures precise engagement and smooth operation. Operating at 12 VDC, it delivers consistent power to meet the demands of modern vehicles. 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 enhanced 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.
  • Designed with a clockwise rotation and 11 teeth for precise engagement and smooth functionality.
  • Operates at 12 VDC to deliver consistent power, meeting the demands of modern vehicles.
  • Remanufactured to Bosch’s high standards, undergoing rigorous testing for durability and long-lasting performance.
  • Offers excellent value and compatibility with a wide range of vehicle electrical systems.
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GM Genuine Parts – Starter: New (Part No.12637617)

Starter: New

from

$178.99
GM Genuine Parts Starter Motors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These starters consist of a powerful motor coupled to the starter drive pinion. The starter drive pinion engages the engine flywheel to crank the engine. 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 starter
  • 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
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Top Picks for 2015 GMC Sierra 3500 HD Alternator Parts

Upgrade GMC Sierra 3500 HDs with top-quality Alternator Parts parts, including 7 OEM and aftermarket selections for your 2015 model.

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

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

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
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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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Carquest Premium – Alternator: Remanufactured, 220 Amps, Limited Lifetime Warranty (Part No.42092A)

Alternator: Remanufactured, 220 Amps, Limited Lifetime Warranty

from

$579.99
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 – Multi-Use Connector (Part No.PTA1229)

Multi-Use Connector

from

$46.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Alternator: Remanufactured, 220 Amps, Limited Lifetime Warranty (Part No.42095A)

Alternator: Remanufactured, 220 Amps, Limited Lifetime Warranty

from

$494.99
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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WAI – Denso Hairpin Ir/If 150 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.14007N)

Denso Hairpin Ir/If 150 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty

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

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
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In-Demand Alternator Pulley Parts for 2015 GMC Sierra 3500 HDs

Select from 2 premium Alternator Pulley Parts parts for your 2015 GMC Sierra 3500 HD, with prices ranging from $128.99 to $135.99.

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

Overrunning Alternator Decoupling (OAD) Pulley - Original Equipment Quality

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

Overrunning Alternator Decoupling (OAD) Pulley - Original Equipment Quality

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
See More

Top-Rated Alternators and Starters Brands For Your 2015 GMC Sierra 3500 HD

Shop for the best-rated brands offering Alternators and Starters and other products for your 2015 GMC Sierra 3500 HDs. Below you’ll find some of our best rated Alternators and Starters from Carquest Premium, and more. Alternators and Starters from these brands that fit a 2015 Sierra 3500 HD start at just $246.99 and are rated as high as 4.4 stars. OEM and aftermarket Alternators and Starters don’t get more top quality, durable, and affordable than from the brands below.

Popular Carquest Premium 2015 GMC Sierra 3500 HD Alternators and Starters

When it comes to maintaining or upgrading your 2015 GMC Sierra 3500 HD, using quality Alternators and Starters is essential to ensure durability and a perfect fit. Carquest Premium ticks all of those boxes. We offer a wide selection of Carquest Premium Alternators and Starters, specifically designed for the 2015 GMC Sierra 3500 HD. With over 1 Carquest Premium brand Alternators and Starters in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $246.99. Plus, with over 12 customer reviews and an average rating of 4.4 stars, you can trust that our Carquest Premium Alternators and Starters will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
Starter: Remanufactured, Limited Lifetime Warranty
from $246.99
(12)
Starter: Remanufactured, Limited Lifetime Warranty
“A pain to chg on an Escalade but I got.”

FAQs for 2015 GMC Sierra 3500 HD Alternators and Starters

Which Alternators and Starters are best-sellers for 2015 GMC Sierra 3500 HDs?

Out of 20 Alternators and Starters that fit 2015 GMC Sierra 3500 HDs, the following parts are the top sellers:

What’s the price range for 2015 GMC Sierra 3500 HD Alternators and Starters?

Alternators and Starter prices for the 2015 GMC Sierra 3500 HD start at $5.79 and go up to $579.99 for the most premium parts.

What’s the average price of a Alternators and Starter for a 2015 GMC Sierra 3500 HD?

The average price for Alternators and Starters for the 2015 GMC Sierra 3500 HD is $265.79. 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 GMC Sierra 3500 HD model years?

Yes, we currently carry Alternators and Starters for 17 model years of GMC Sierra 3500 HDs between 2007 and 2025. Alternators and Starters are bought most frequently for the following model years: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2014, and 2013.

What are the cheapest Alternators and Starters for my 2015 GMC Sierra 3500 HD?

The cheapest 2015 GMC Sierra 3500 HD Alternators and Starters we carry in stock are:

What are the top-rated Alternators and Starters that fit the 2015 GMC Sierra 3500 HD?

Out of 160 reviews by customers, our 2015 GMC Sierra 3500 HD Alternators and Starters have an average customer rating of . These are some of the highest-rated Alternators and Starter types for the 2015 GMC Sierra 3500 HD and their top-rated products:

What types of Alternators and Starters do you sell for my 2015 GMC Sierra 3500 HD?

As of 11/2/25, these are some of the most in-demand types of Alternators and Starters for a 2015 GMC Sierra 3500 HD:

Can I get help with 2015 GMC Sierra 3500 HD 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 GMC Alternators and Starters and more.

What is your return policy for GMC Sierra 3500 HD Alternators and Starters?

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