2016 GMC Sierra 2500 HD Alternators and Starters

Name: Ignition Lock Cylinder: Three Keys Included, OE Fix; with Onboard Programming
Brand: Dorman
SKU: 924-796
Price: 126.99 USD

Below you will find various in-demand GMC Alternators and Starters, components and accessories for your 2016 Sierra 2500 HD. Advance Auto Parts has popular Sierra 2500 HD parts like Starter Parts, Alternator Pulley Parts, Ignition Lock Parts and more. You’ll also find aftermarket and OEM Alternators and Starters for other Sierra 2500 HD model years including 2013, 2014, 2015, 2017, 2018, 2019, 2020, 2021, 2022 and more. Select a category of 2016 GMC Sierra 2500 HD Alternators and Starters below and start saving instantly.

Please Select your Vehicle to See Exact Fit Parts

Popular 2016 GMC Sierra 2500 HD Alternators and Starters Categories

Alternators

Starters

Ignition Lock Cylinders

Alternator Decoupler Pulleys

Starter Bolts

Alternator Pigtails

Essential Alternators and Starters for 2016 GMC Sierra 2500 HDs

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$126.99

This ignition lock cylinder is designed to match the performance of the original equipment cylinder on specified GM vehicles. It comes complete with one valet key to be used for installation setup and two transponder keys. Instructions are included for the required programming procedure, and no scan or special tool is needed.

Product Features:

Direct replacement – this ignition lock cylinder is designed to match the performance of the original equipment cylinder on specified GM vehicles
Ideal solution – engineered to help ensure proper ignition key functionality when a factory lock cylinder is binding, damaged or has failed
Toolless programming – instructions included for programming procedure; no scan or special tool needed
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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$73.99

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.

from

$50.99

An ACDelco GM Original Equipment Ignition Lock Cylinder is a GM-recommended replacement for your vehicle’s original component. The ignition lock cylinder is where you insert and turn the key to start the vehicle. When the correct key is inserted, the cylinder is unlocked and can be rotated. The ignition lock cylinder is connected to the ignition switch, and it also engages and disengages the steering column lock. This original equipment ignition lock cylinder has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
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

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$44.99

Replacing an ignition lock cylinder usually means an expensive reprogramming at the dealership. This Dorman OE FIX replacement includes transponder keys that can be easily programmed in a few minutes.

Product Features:

Smart replacement – this ignition lock cylinder comes with transponder keys for a fast, simple repair
Easy installation – comes with easy-to-follow instructions for cylinder install and key programming
Complete repair – includes cylinder and 4 keys
Cost-effective replacement – saves money, time and hassle of getting keys programmed at dealership

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$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

$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

$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

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

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

$254.99

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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$254.99

Bosch Premium Starters are designed, built and tested to provide the ultimate in performance and reliability

Product Features:

Built for extremes! Our new and reman starters and alternators are 100% factory tested to ensure reliable performance, under extremes of heat, cold and high demand
Our new and reman starters and alternators are designed to perform equal to or better than the original equipment parts, that they replace
Our new and reman starters and alternators are designed to be identical in fit and performance to original equipment parts
Our new and reman starters and alternators utilize the latest manufacturing technologies and highest quality parts to ensure the best performance and longest life
Automotive starters and alternators are backed by the Bosch Ultimate Protection Plan when unit is registered at the time of purchase: 2 year, 24 hour Roadside assistance; vehicle is jumped or towed for free up to 50 miles

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$284.99

from

$389.99

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
Designed and engineered to rigorous standards, ensuring reliable performance and durability for GM vehicles.

from

$447.99

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
Designed, engineered, and tested to rigorous standards, ensuring reliable performance and durability.
Replaces damaged and obsolete components with new parts to enhance functionality and extend service life.

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.

from

$249.99

This remanufactured alternator delivers reliable performance with a robust 145.0-amp output and a 12.0 VDC voltage rating, ensuring your vehicle’s electrical systems operate at peak efficiency. Designed for durability and precision, it features a clockwise (right) rotation direction and belongs to the trusted Delco family, known for quality and dependability. Whether you’re powering essential components or additional accessories, this alternator is engineered to meet the demands of modern vehicles. Its remanufactured design offers a cost-effective solution without compromising on performance, making it an excellent choice for those seeking value and reliability.

Product Features:

Provides a robust 145-amp output to ensure optimal performance for your vehicle’s electrical systems.
Engineered with a clockwise rotation direction for precise compatibility with modern vehicle designs.
Remanufactured design offers a cost-effective solution while maintaining high-quality performance standards.
Belongs to the trusted Delco family, renowned for reliability and durability in automotive electrical components.
Designed to efficiently power both essential vehicle systems and additional accessories.

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$223.99

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

$239.99

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 a 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:

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

$222.99

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

Product Features:

Product Features:

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

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$479.99

WAI alternators are engineered to provide the amp output necessary to power today’s vehicles. Every unit is 100% NEW (not remanufactured) and made with proprietary components and processes to ensure maximum life and performance.

Product Features:

100% new to ensure quality and performance.
Eliminates the hassle of core return.
Engineered to match OE.
Exact fit and hassle-free installation.
Load tested to ensure maximum performance, while delivering a durable and dependable product.

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$577.99

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

$47.49

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

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$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

from

$48.49

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

from

$50.99

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

from

$51.99

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

Upgrade your 2016 GMC Sierra 2500 HD with Top-Quality Alternators and Starters

When it comes to maintaining or upgrading your 2016 GMC Sierra 2500 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 2500 HD functioning at its best. At Advance Auto Parts, we offer a wide selection of 19 Alternators and Starters for the 2016 GMC Sierra 2500 HD, designed to meet your needs without breaking the bank. From Starter Part replacements to Alternator Pulley 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 2016 GMC Sierra 2500 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 $264.13. Our 19 Alternators and Starters in stock come from 7 trusted brands, so you’re sure to find the right part for your 2016 GMC Sierra 2500 HD 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 2016 GMC Sierra 2500 HD is always ready to roll. We’re committed to providing you with everything you need to keep your Sierra 2500 HD in top shape, all in one place. Start shopping confidently below for your 2016 GMC Sierra 2500 HD!

Best-Selling Starter Parts for 2016 GMC Sierra 2500 HDs

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

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from

$224.99

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

$284.99

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

from

$373.99

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

$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

Most Popular 2016 GMC Sierra 2500 HD Alternator Pulley Parts

Customize your GMC with 2 Alternator Pulley Parts products like Alternator Decoupler Pulleys, all priced under $135.99.

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from

$128.99

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

Top Picks for 2016 GMC Sierra 2500 HD Ignition Lock Parts

Upgrade GMC Sierra 2500 HDs with top-quality Ignition Lock Parts parts, including 1 OEM and aftermarket selections for your 2016 model.

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from

$152.99

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.

In-Demand Alternator Parts for 2016 GMC Sierra 2500 HDs

Select from 10 premium Alternator Parts parts for your 2016 GMC Sierra 2500 HD, with prices ranging from $48.49 to $579.99.

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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

$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

$579.99

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

$51.99

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

from

$494.99

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

$479.99

100% new to ensure quality and performance.
Eliminates the hassle of core return.
Engineered to match OE.
Exact fit and hassle-free installation.
Load tested to ensure maximum performance, while delivering a durable and dependable product.

from

$479.99

This 100% NEW alternator from WAI is a premium choice for those seeking reliability and performance. Engineered to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. Its advanced voltage regulator protection guards against transient voltage spikes, preventing potential battery damage, while the low saturation voltage minimizes heat dissipation for enhanced durability. The high-power rectifier assembly, featuring open junction press-fit diodes, is designed to keep the unit running cool even under demanding conditions. Fully compliant with ECU communication, this alternator guarantees seamless integration with your vehicle’s system. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. Built for long-lasting efficiency, this alternator delivers exceptional value for your vehicle’s electrical system.

Product Features:

100% NEW unit and all components.
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.
Designed for enhanced durability, the alternator’s advanced construction minimizes heat dissipation, ensuring reliable performance even under demanding conditions.
Rigorously tested for reliability and durability, ensuring consistent performance and peace of mind for long-term use.

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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$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

$48.49

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

FAQs for 2016 GMC Sierra 2500 HD Alternators and Starters

Which Alternators and Starters are best-sellers for 2016 GMC Sierra 2500 HDs?

Out of 19 Alternators and Starters that fit 2016 GMC Sierra 2500 HDs, 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
Alternator: Remanufactured, 220 Amps, Limited Lifetime Warranty (11888279) – $579.99

What’s the price range for 2016 GMC Sierra 2500 HD Alternators and Starters?

Alternators and Starter prices for the 2016 GMC Sierra 2500 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 2016 GMC Sierra 2500 HD?

The average price for Alternators and Starters for the 2016 GMC Sierra 2500 HD is $264.13. 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 2500 HD model years?

Yes, we currently carry Alternators and Starters for 20 model years of GMC Sierra 2500 HDs between 2001 and 2022. Alternators and Starters are bought most frequently for the following model years: 2022, 2021, 2020, 2019, 2018, 2017, 2015, 2014, and 2013.

What are the cheapest Alternators and Starters for my 2016 GMC Sierra 2500 HD?

The cheapest 2016 GMC Sierra 2500 HD Alternators and Starters we carry in stock are:

Starter Mounting Bolt, Type 1 Long (11839849) – $5.79
Multi-Use Connector (12443069) – $48.49
Multi-Use Connector (12441205) – $51.99
Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (11562007) – $128.99
Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (11561989) – $135.99

What are the top-rated Alternators and Starters that fit the 2016 GMC Sierra 2500 HD?

Out of 32 reviews by customers, our 2016 GMC Sierra 2500 HD Alternators and Starters have an average customer rating of . These are some of the highest-rated Alternators and Starter types for the 2016 GMC Sierra 2500 HD and their top-rated products:

Starter Parts
- Starter: Remanufactured, Limited Lifetime Warranty (11242342) – $224.99
Alternator Parts
- Starter: Remanufactured, Limited Lifetime Warranty (11242342) – $224.99

What types of Alternators and Starters do you sell for my 2016 GMC Sierra 2500 HD?

As of 3/1/26, these are some of the most in-demand types of Alternators and Starters for a 2016 GMC Sierra 2500 HD:

Can I get help with 2016 GMC Sierra 2500 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 2500 HD Alternators and Starters?

Advance Auto Parts keeps returns simple. For new GMC Sierra 2500 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.

2016 GMC Sierra 2500 HD Alternators and Starters

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

Carquest Premium – Ignition Lock Cylinder (Part No.CSC1633)

ACDelco – Uncoded Ignition Lock Cylinder (Part No.D1469G)

Dorman – Ignition Lock Cylinder Assembly (OE Fix) (Part No.924-895)

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

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

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

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

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

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

Bosch – Starter: Remanufactured (Part No.SR8651X)

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

GM Genuine Parts – Starter: Remanufactured (Part No.323-1471)

GM Genuine Parts – Starter: Remanufactured (Part No.323-1637)

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

Carquest Premium – Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty (Part No.8292A)

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

Carquest Premium – Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty (Part No.8489A)

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

WAI – Alternator: New (Part No.11785N)

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

GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2194)

Carquest Premium – Multi-Use Connector (Part No.PTA1201)

Carquest Premium – Multi-Use Connector (Part No.PTA1088)

Carquest Premium – Multi-Use Connector (Part No.PTA1117)

Carquest Premium – Multi-Use Connector (Part No.PTA1229)

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

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

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6971S)

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

Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6971SN)

GM Genuine Parts – Starter: New (Part No.12637617)

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

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

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

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.42092A)

Carquest Premium – Multi-Use Connector (Part No.PTA1229)

Carquest Premium – Alternator: Remanufactured, 220 Amps, Limited Lifetime Warranty (Part No.42095A)

WAI – Alternator: New (Part No.11785N)

WAI – Alternator: 100% NEW, 150 Amps (Part No.14007N)

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

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

Carquest Premium – Multi-Use Connector (Part No.PTA1088)