1987 Chevrolet R20 Alternators
Your 1987 Chevrolet R20 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Alternators you desperately need.
We currently carry 25 Alternators to choose from for your 1987 Chevrolet R20, and our inventory prices range from as little as $76.99 up to $236.29.
On top of low prices, Advance Auto Parts offers 6 different trusted brands of Alternators for the 1987 Chevrolet R20. We only sell parts from trusted brands like Carquest Premium so that you can find quality parts you can count on.
Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 142 reviews on our Alternators for the 1987 Chevrolet R20 from previous customers.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Alternators stock in-person!
Alternators for Your 1987 Chevrolet R20
Carquest Premium – Alternator: Remanufactured, 94 Amps (Part No.7294-3A)
from
$107.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
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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 Premium – Alternator: Remanufactured, 78 Amps (Part No.7273-12A)
from
$119.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
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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 Premium – Alternator: Remanufactured, 78 Amps (Part No.7273-3A)
from
$109.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
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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 Premium – Alternator: Remanufactured, 63 Amps (Part No.7127-9A)
from
$89.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
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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 – Alternator: New, 105 Amps (Part No.7884-11AN)
from
$147.99
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:
See More
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
Carquest Professional – Alternator: New, 94 Amps (Part No.7294-3AN)
from
$156.99
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:
See More
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
Carquest Premium – Alternator: Remanufactured, 105 Amps (Part No.7861-11A)
from
$152.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
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Carquest Premium – Alternator: Remanufactured, 78 Amps (Part No.7273-9A)
from
$93.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
See More
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 Standard – Alternator: Remanufactured, 78 Amps (Part No.7273-3AV)
from
$84.99
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:
See More
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
Carquest Standard – Alternator: Remanufactured, 78 Amps (Part No.7273-9AV)
from
$76.99
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:
See More
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
Carquest Premium – Alternator: Remanufactured, 94 Amps (Part No.7294-12A)
from
$103.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
See More
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 Premium – Alternator: Remanufactured, 94 Amps (Part No.7294-1WA)
from
$151.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
See More
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 Professional – Alternator: New, 63 Amps (Part No.7127-9AN)
from
$112.99
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:
See More
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
Bosch – Alternator: New, 78 Amps (Part No.AL547N)
from
$203.99
Bosch has been a major supplier of new alternators to Original Equipment vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators. Bosch Premium Alternators are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions.
Product Features:
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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
Bosch – Alternator: Remanufactured, 63 Amps (Part No.AL531X)
from
$101.99
Bosch has been a major supplier of new alternators to Original Equipment vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators. Bosch Premium Alternators are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions.
Product Features:
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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.
WAI – Alternator: New, 200 Amps (Part No.7861-11N-0G-HO)
from
$211.99
WAI is a leading parts manufacturer for the aftermarket. You’ll find superior quality and performance on all WAI 100% new alternators and starters as well as generators, motors, voltage regulators, rectifiers and other components.
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Bosch – Alternator: New, 94 Amps (Part No.AL559N)
from
$206.99
Bosch has been a major supplier of new alternators to Original Equipment vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators. Bosch Premium Alternators are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions.
Product Features:
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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
Bosch – Alternator: Remanufactured, 78 Amps (Part No.AL533X)
from
$132.99
Bosch has been a major supplier of new alternators to Original Equipment vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators. Bosch Premium Alternators are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions.
Product Features:
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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.
Carquest Professional – Alternator: New, 105 Amps (Part No.7891-11AN)
from
$148.99
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:
See More
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
Bosch – Professional Preferred Alternator, New (Part No.F4000162148BOS)
from
$236.29
Bosch has been a major supplier of new alternators and starters to OE vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators and starters. Whether 100% remanufactured or new, Bosch Premium Alternators and Starters are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions. That’s why they are preferred by more professional installers.
Product Features:
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Product Features:
- Built with original equipment quality components to withstand excessive heat and high electrical demand
- Identical in fit and performance to the OE parts they replace
- The perfect solution for certain problematic late-model applications that place an extreme burden on unit components in a high-heat environment
- 100% full-load tested for proven starting/charging performance
- Lifetime warranty
ACDelco – Professional Alternator, New (Part No.F4000583181ACD)
from
$156.72
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:
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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 HD Electrical – Alternator: New, 94 Amps, With Pulley (Part No.71-7294-3N)
from
$197.99
Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are pri
Product Features:
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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.
Carquest HD Electrical – Alternator: New, 94 Amps, With Pulley (Part No.71-7294-9N)
from
$169.99
Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are pri
Product Features:
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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.
Carquest HD Electrical – Alternator: New, 105 Amps, With Pulley (Part No.71-7861-11N-6G)
from
$157.99
Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are pri
Product Features:
See More
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.
Carquest HD Electrical – Alternator: New, 63 Amps, With Pulley (Part No.71-7127-9N)
from
$155.99
Carquest Starters with 100% NEW construction will restore hard working vehicles to exceed OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest HD alternators are pri
Product Features:
See More
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.
FAQs for 1987 Chevrolet R20 Alternators
What are the most popular Alternators for the 1987 Chevrolet R20?
With 6 brands you can trust, our most popular Alternators for the 1987 Chevrolet R20 parts are:
What are the best aftermarket Alternators for the 1987 Chevrolet R20?
See what past customers had to say about our highest-rated Alternators for the 1987 Chevrolet R20:
from
$76.99
(10)
Alternator: Remanufactured, 78 Amps
“I’ve had this alternator installed on my old jeep about 3 months. So far it works well.”
from
$84.99
(5)
Alternator: Remanufactured, 78 Amps
“I have a 1984 Chevrolet Monte Carlo and the Alternator on the car was original equipment. Anyway my battery was being drained out every night and car”
from
$119.99
(3)
Alternator: Remanufactured, 78 Amps
“Fits perfectly on my 90 6.2 1 ton. Old one was overcharging and draining battery. This one is performing flawlessly.”
