2021 Chevrolet Express 2500 Alternators and Starters

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.

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.

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:

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

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

Product Features:

• Direct replacement – this ignition lock cylinder is designed to match the fit and function of the original on specified GM vehicles
• Restores function – engineered to ensure proper operation of the ignition key when the original cylinder is binding or has failed
• Programming required – the included transponder keys will require programming with an appropriate scan tool
• Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

LockSmart® is a specialized aftermarket lock brand featuring door, trunk, and ignition lock cylinders. LockSmart® provides OE fit, form, and function locks across domestic and import applications for both late and older model vehicles.

Product Features:

• Direct-fit OE replacement ignition lock cylinder ensures effective start of engine energy supply
• Constructed from high-grade materials to ensure durability and longevity
• Undergoes 100% testing for proper fit, form, and function
• As a global manufacturer, we maintain complete quality control throughout the manufacturing process

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

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.

Ignition Lock Cylind

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

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.

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

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

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

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

Product Features:

• Designed to meet or exceed OE specifications for fit, form and function
• Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
• Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
• All new components are utilized to ensure long service life
• Internal electronics are upgraded for heavy duty reliability (where applicable)
• Armatures and commutators are 100% load tested
• Application-specific technical bulletins included where applicable
• All units are 100% triple tested to ensure quality and performance
• Technical support team staffed with ASE Certified Technicians: 1-800-228-10534

ACDelco’s Professional Remanufactured Starters are the ideal high quality replacement for many vehicles on the road today. ACDelco’s Professional Remanufactured Starters have 100% new copper and bronze sintered, oil-impregnated bushings, plus the solenoid contacts are 100% new with copper terminals and plated hardware. Remanufacturing starters is an industry standard practice that involves disassembly of existing units, and replacing components that are most prone to wear and failure with new components. Damaged and obsolete parts are replaced and are 100% end of line tested to ensure they perform to ACDelco specifications. In addition, remanufacturing also benefits the environment by returning components back into service rather than processing as scrap or simply disposing of them. These premium aftermarket reman starters are manufactured to fit a wide range of vehicles and will provide the same performance, durability, and service life you expect from ACDelco.

Product Features:

• Remanufactured using consistent quality processes; not just rebuilt
• Starters have 100% new copper and bronze sintered and oil-impregnated armature bushings
• Solenoid contacts are 100% NEW with copper terminals and plated hardware
• Performance-tested and inspected to ensure they meet ACDelco quality design and component specifications

Reman Starter

ACDelco Professional, premium NEW Starters are manufactured with all new components and are the ideal high quality replacement for many vehicles on the road today. Key components are greased and lubricated to help ensure improved performance and long life reliability even in the toughest conditions. Starters have 100% new solenoids, computer tested for contact life, coil balance, and pull strength, and 100% new drive gears/clutches, assembled under tight specifications using machine tolerances that are torque tested. These Professional, premium aftermarket NEW starters are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:

• NEW units are manufactured under the guidelines of ISO Quality Standards to ensure consistent quality
• All components are 100% NEW to provide improved performance and long life reliability
• Engineering enhancements to internal components provide the latest, most efficient unit for your vehicle
• Key components are 100% greased and lubricated to ensure long term reliability in harsh conditions
• All dimensions and key mounting surfaces and contact points are gauged and measured to ensure proper fit

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 Lifetime 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:

• 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

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

Product Features:

• Designed to meet or exceed OE specifications for fit, form and function
• Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
• Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
• All new components are utilized to ensure long service life
• Internal electronics are upgraded for heavy duty reliability (where applicable)
• Armatures and commutators are 100% load tested
• Application-specific technical bulletins included where applicable
• All units are 100% triple tested to ensure quality and performance
• Technical support team staffed with ASE Certified Technicians: 1-800-228-10525

Carquest Starters take advantage of the power of 100% NEW to restore hard working vehicles to OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest Starters are prime

Product Features:

• High quality components form the foundation our parts are built from. Transpo’s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
• Power & Efficiency are designed into every component. No matter the ambient temperature, starters will provide maximum cranking power to get engines running.
• Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
• Integrated magnetic switch provides protection against weak power from batteries.
• Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
• Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf

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

Product Features:

• Designed to meet or exceed OE specifications for fit, form and function
• Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
• Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
• All new components are utilized to ensure long service life
• Internal electronics are upgraded for heavy duty reliability (where applicable)
• Armatures and commutators are 100% load tested
• Application-specific technical bulletins included where applicable
• All units are 100% triple tested to ensure quality and performance
• Technical support team staffed with ASE Certified Technicians: 1-800-228-10523

ACDelco Professional NEW Alternators are manufactured with all new components and are the ideal high quality replacement for many vehicles on the road today. Key components are greased and lubricated to help ensure improved performance and long life reliability even in the toughest conditions. Alternators have 100% NEW regulators, computer tested for voltage stability, terminal function, and electronic circuit board integrity, and 100% new rectifiers, computer tested for internal resistance, AC voltage blocking capabilities, and electrical leakage. These Professional, premium aftermarket NEW alternators are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:

• All components are 100% new to provide improved performance and long life reliability
• Key components are 100% greased and lubricated to ensure long term reliability in harsh conditions
• New units are manufactured under the guidelines of ISO Quality Standards to ensure consistent quality
• ACDelco Professional NEW Alternators are computer tested for voltage stability, terminal function and electronic circuit board integrity
• Engineering enhancements to internal components provide the latest, most efficient unit for your vehicle

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

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

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

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

Product Features:

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

Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are pri

Product Features:

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

DENSO alternators are not only original equipment on many of the world’s top production cars; they are a favorite in motorsports as well, where their light weight, high efficiency, and durability under the most gruelling conditions make them the natural choice. Remanufactured DENSO alternators go through a gruelling process: Stators and rectifiers are tested to 300 volts, while rotors are submitted to 600 volts, all to ensure reliable performance. Rotor slip rings are buffed to an 8 micron surface finish, with run out limited to 20 microns, minimizing brush wear and abrasion. Bearings are validated to OE standards and loaded with premium OE-standard lubricants. New or remanufactured, a DENSO alternator is a quality component.

Product Features:

• OE-Equivalent Direct Fit Application.
• Remanufactured using only OE Components.
• 29 performance and safety checks.
• Subjected to rigorous safety and performance tests.
• Tested to OE standards and re-packed with OE-grade lubricant.
• Provides exceptional reliability.

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:

• 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

Alternator