2021 GMC Yukon Alternators and Starters

Essential Alternators and Starters for 2021 GMC Yukons

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
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Litens – Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (Part No.920091A)

Overrunning Alternator Decoupling (OAD) Pulley - Original Equipment Quality

from

$74.99
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. 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
  • 17mm HexTool 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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GM Genuine Parts – WIRE CONNECTOR (Part No.PT2971)

WIRE CONNECTOR

from

$52.99
WIRE CONNECTOR

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

Starter Mounting Bolt, Type-2 Long, 3/8-16 X 4- 5/16 In., GM 4.4,5,5.7 L (Sold by each)

from

$7.99
This starter bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this starter bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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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 Standard – Alternator: Remanufactured, 100 Amps, 1 Year Limited Warranty (Part No.7981-7AV)

Alternator: Remanufactured, 100 Amps, 1 Year Limited Warranty

from

$114.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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Bosch – Alternator: New, 105 Amps, Limited Lifetime Warranty (Part No.AL8730N)

Alternator: New, 105 Amps, Limited Lifetime Warranty

from

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

Product Features:


    Product Features:
    • 100% new components withstand the harshest environments for the best performance and longest life
    • Built specifically to withstand excessive heat and high electrical demands.
    • All mounting points 100% gauged and resized or rethreaded for proper fit
    • Free 24-hour Roadside Assistance Protection with purchase of any Bosch Alternator
    • Engineered for consistent power delivery, the 105-amp rating ensures reliable performance to meet demanding electrical needs.
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Carquest Premium – Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty (Part No.8206-5A)

Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty

from

$165.99
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
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Carquest Professional – Alternator: New, 105 Amps, Limited Lifetime Warranty (Part No.8206-5AN)

Alternator: New, 105 Amps, Limited Lifetime Warranty

from

$203.99
Carquest Professional alternators are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new alternators are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional alternators are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new alternators are built with all new components and are 100% triple tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • All new components are utilized to ensure long service life
  • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
  • Internal electronics are upgraded for heavy duty reliability (where applicable)
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
  • Rotors and stators are load tested and double insulated for maximum charging performance
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Carquest Premium – Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty (Part No.8219-5A)

Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty

from

$189.99
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
See More

Carquest Standard – Alternator: Remanufactured, 105 Amps, 1 Year Limited Warranty (Part No.8206-5AV)

Alternator: Remanufactured, 105 Amps, 1 Year Limited Warranty

from

$129.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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WAI – Bosch Ir/If 150 Amp/12 Volts, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.11075N)

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

from

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

Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Voltage regulator protection – load dump protected against transient voltage spikes avoiding potential battery damage. Low saturation voltage results in lower heat dissipation. Fully compliant in communication with ECU.
  • High power rectifier assembly is designed with higher power open junction press fit diodes to keep the units running cool.
  • Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
  • Rigorously tested for exceptional performance and reliability, ensuring long-lasting operation and peace of mind.
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Carquest Standard – Alternator: Remanufactured, 100 Amps, 1 Year Limited Warranty (Part No.8165-7AV)

Alternator: Remanufactured, 100 Amps, 1 Year Limited Warranty

from

$134.99
Carquest Standard alternators are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard alternators are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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GM Genuine Parts – Alternator: Remanufactured, 130 Amps, 2 Year Limited Warranty (Part No.321-2123)

Alternator: Remanufactured, 130 Amps, 2 Year Limited Warranty

from

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

Product Features:


    Product Features:
    • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
    • Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
    • Tested to ensure they perform to GM specifications
    • Designed with a clockwise rotation direction, ensuring seamless integration and optimal performance within compatible GM vehicles.
    • Part of the trusted DELCO AD244 LN31 family, offering reliability and consistency in electrical system functionality.
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Bosch – Alternator: Remanufactured, 170 Amps, 2 Year Limited Warranty (Part No.AL8869X)

Alternator: Remanufactured, 170 Amps, 2 Year Limited Warranty

from

$281.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for demanding automotive needs. With a robust 170-amp output and 12 VDC voltage, this alternator ensures consistent power delivery for your vehicle’s electrical systems. Engineered with precision, it features full-load testing to meet Bosch’s stringent performance standards and is 100% factory tested for quality assurance. Unlike rebuilt units, this alternator is remanufactured using high-quality materials and advanced technology, ensuring long-lasting durability. Its clockwise rotation direction and premium construction make it a dependable replacement part that stands up to rigorous use. Choose this alternator for unmatched value and peace of mind on the road.

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.
    • Delivers consistent 170-amp output to support demanding vehicle electrical systems.
    • Engineered for durability with premium construction to withstand rigorous use.
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Carquest HD Electrical – Alternator: New, 145 Amps, With Pulley (Part No.71-8292N)

Alternator: New, 145 Amps, With Pulley

from

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

Product Features:


    Product Features:
    • Contains Innovative Brush-less and Premium Brush Components that have been tested and certified for highest possible power output
    • Stator – wound to OE specifications. Heavy coated Polyester wire provides consistent conductivity
    • Premium Transpo rectifiers use 13mm press fit Diodes for maximum performance
    • Rotor shafts CNC machined & precision balanced to eliminate vibration
    • Over-Voltage shutdown limits voltage if output terminal is disconnected form the battery
    • Load dump protection ensures transient voltage spikes do not damage transistor
    • Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
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Bosch – Starter: Remanufactured (Part No.SR8552X)

Starter: Remanufactured

from

$228.99
Bosch Premium Starters are engineered to deliver exceptional performance and reliability, even in the most demanding conditions. Built for extremes, these starters are 100% factory tested to ensure dependable operation under intense heat, freezing cold, and high-demand scenarios. Designed to meet or exceed the performance of original equipment, they offer a seamless fit and identical functionality to the parts they replace. Utilizing cutting-edge manufacturing technologies and premium-quality components, these starters ensure optimal performance and an extended lifespan. With a clockwise (right) rotation, 11-tooth configuration, and 12 VDC voltage, this remanufactured starter is a perfect match for your vehicle’s needs, providing both precision and durability. Choose Bosch for a reliable, high-quality solution that keeps your engine running smoothly.

Product Features:


    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
    • Engineered with precision, this remanufactured starter features an 11-tooth configuration and 12 VDC voltage, ensuring compatibility and optimal functionality for your vehicle’s specific requirements.
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GM Genuine Parts – Starter: Remanufactured (Part No.323-1644)

Starter: Remanufactured

from

$384.99
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 with a 9-tooth configuration to deliver precise and consistent engagement for reliable vehicle starting.
  • Operates at 12 VDC, ensuring compatibility and optimal performance within a wide range of GM vehicles.
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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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Bosch – Starter: Remanufactured (Part No.SR8651X)

Starter: Remanufactured

from

$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
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Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6483SN)

Starter: New, Limited Lifetime Warranty

from

$164.99
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
See More

Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6488S)

Starter: Remanufactured, Limited Lifetime Warranty

from

$237.99
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:


    Product Features:
    • Each unit is triple-tested to ensure quality and performance
    • All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
    • Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
    • Remanufactured to meet or exceed OE specifications for fit, form, and function, ensuring reliable performance and compatibility.
    • 100% electronic testing of all critical components and the entire unit guarantees optimal functionality and durability.
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Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6483S)

Starter: Remanufactured, Limited Lifetime Warranty

from

$129.99
The Carquest Premium Remanufactured Starter is engineered to deliver reliable performance and long-lasting durability, meeting or exceeding O.E.M. specifications. Each unit undergoes a meticulous remanufacturing process, replacing all wear components such as brushes, bushings, and bearings with brand-new parts to ensure optimal functionality. Triple-tested for quality and performance, this starter guarantees dependable service from component level to final assembly. Designed with a 9-tooth configuration and operating at 12.0 VDC, it is part of the trusted Delco family, ensuring compatibility and precision fit for your vehicle. For added peace of mind, Carquest offers a Tech Hotline staffed by ASE Certified Technicians to assist with any technical inquiries. Choose this remanufactured starter for a cost-effective, high-quality solution that delivers like-new performance.

Product Features:


    Product Features:
    • Each unit is triple-tested to ensure quality and performance
    • All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
    • Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
    • Engineered to meet or exceed O.E.M. specifications, ensuring reliable performance and compatibility with your vehicle.
    • Designed with a 9-tooth configuration for precise fit and optimal functionality.
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Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.6492SV)

Starter: Remanufactured, 1 Year Limited Warranty

from

$161.99
Carquest Standard starters are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard starters are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:
  • Designed to meet OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
  • Designed to meet OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
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Bosch – Starter: Remanufactured (Part No.SR8594X)

Starter: Remanufactured

from

$281.99
The Bosch Premium Starter is engineered for top-tier performance and reliability, making it a dependable choice for your vehicle’s ignition system. Designed with a clockwise (right) rotation and featuring a 9-tooth configuration, this starter ensures precise engagement and smooth operation. Operating at 12 VDC, it delivers consistent power to get your engine running efficiently, even in demanding conditions. Built to Bosch’s high standards, this remanufactured starter undergoes rigorous testing to ensure durability and long-lasting performance. Whether you’re replacing a worn-out starter or upgrading for better reliability, this premium component offers excellent value and compatibility with your vehicle’s needs.

Product Features:


    Product Features:
    • Engineered for top-tier performance and reliability, ensuring dependable ignition system operation.
    • Designed with a 9-tooth configuration for precise engagement and smooth functionality.
    • Operates at 12 VDC to deliver consistent power, even in demanding conditions.
    • Remanufactured to Bosch’s high standards, undergoing rigorous testing for durability and long-lasting performance.
    • Compatible with a wide range of vehicles, offering excellent value and reliability.
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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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GM Genuine Parts – Starter: Remanufactured (Part No.323-1064)

Starter: Remanufactured

from

$255.99
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 to ensure reliability and durability.
  • Replaces damaged and obsolete components with new parts to enhance performance and longevity.
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Upgrade your 2021 GMC Yukon with Top-Quality Alternators and Starters

When it comes to maintaining or upgrading your 2021 GMC Yukon, 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 Yukon functioning at its best. At Advance Auto Parts, we offer a wide selection of 6 Alternators and Starters for the 2021 GMC Yukon, designed to meet your needs without breaking the bank. From Alternator 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 2021 GMC Yukon at great prices. Our Alternators and Starters inventory for this model ranges from just $5.79 to $618.99, with an average price of $280.09. Our 6 Alternators and Starters in stock come from 4 trusted brands, so you’re sure to find the right part for your 2021 GMC Yukon without overspending.

Explore Related Parts and More

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

Best-Selling Alternator Parts for 2021 GMC Yukons

Enhance the driving experience in your GMC with 2 quality Alternator Part components, starting at $558.99.

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

Alternator: Remanufactured, 250 Amps

from

$618.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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Carquest Premium – Alternator: Remanufactured, 250 Amps (Part No.10440A)

Alternator: Remanufactured, 250 Amps

from

$558.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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Most Popular 2021 GMC Yukon Alternator Pulley Parts

Customize your GMC with 1 Alternator Pulley Parts products like Alternator Decoupler Pulleys, all priced under $74.99.

Litens – Overrunning Alternator Decoupling (OAD) Pulley – Original Equipment Quality (Part No.920091A)

Overrunning Alternator Decoupling (OAD) Pulley - Original Equipment Quality

from

$74.99
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. 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
  • 17mm HexTool 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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Top Picks for 2021 GMC Yukon Starter Parts

Upgrade GMC Yukons with top-quality Starter Parts parts, including 3 OEM and aftermarket selections for your 2021 model.

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 Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.12891S)

Starter: Remanufactured, Limited Lifetime Warranty

from

$256.99
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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GM Genuine Parts – WIRE CONNECTOR (Part No.PT2971)

WIRE CONNECTOR

from

$52.99
WIRE CONNECTOR

FAQs for 2021 GMC Yukon Alternators and Starters

Which Alternators and Starters are best-sellers for 2021 GMC Yukons?

Out of 6 Alternators and Starters that fit 2021 GMC Yukons, the following parts are the top sellers:

What’s the price range for 2021 GMC Yukon Alternators and Starters?

Alternators and Starter prices for the 2021 GMC Yukon start at $5.79 and go up to $618.99 for the most premium parts.

What’s the average price of a Alternators and Starter for a 2021 GMC Yukon?

The average price for Alternators and Starters for the 2021 GMC Yukon is $280.09. 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 Yukon model years?

Yes, we currently carry Alternators and Starters for 33 model years of GMC Yukons between 1992 and 2026. Alternators and Starters are bought most frequently for the following model years: 2022, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Alternators and Starters for my 2021 GMC Yukon?

The cheapest 2021 GMC Yukon Alternators and Starters we carry in stock are:

What types of Alternators and Starters do you sell for my 2021 GMC Yukon?

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

Can I get help with 2021 GMC Yukon 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 Yukon Alternators and Starters?

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