1957 Buick Roadmaster Alternator Parts

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1957 Buick Roadmaster in Top Shape with Quality Alternator Parts

Whether you’re repairing or upgrading your Alternator Part, using high-quality parts is key to keeping your 1957 Buick Roadmaster looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Drive End Bearings and Alternators. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1957 Buick Roadmaster Alternator Part at Advance Auto Parts is around $291.99, with a range that starts at $36.49 and goes up to $559.99. With 3 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Radial Insert Ball Bearing, Alternator: 75 Amps Within Generator Style Case, 12V, 3/8" W Belt, Black, and Alternator: 75 Amps Within Generator Style Case, 12V, 3/8" W Belt, Black start at just $36.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Alternator Part, don’t forget to check out other key components like Starter Parts and Voltage Regulator Parts. At Advance Auto Parts, we’re here to help you keep your 1957 Buick Roadmaster in peak condition, inside and out.

Essential 1957 Buick Roadmaster Alternator Parts

Schaeffler – Radial Insert Ball Bearing (Part No.6203-RSR)

Radial Insert Ball Bearing

from

$36.49
We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

Product Features:
  • Radial Ball Bearing, Both Sides Shield.
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

Bosch – Alternator: New, 105 Amps, Limited Lifetime Warranty (Part No.AL668N)

Alternator: New, 105 Amps, Limited Lifetime Warranty

from

$174.99
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 under demanding electrical loads.
See More

Bosch – Alternator: New, 105 Amps, Limited Lifetime Warranty (Part No.AL8663N)

Alternator: New, 105 Amps, Limited Lifetime Warranty

from

$182.99
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 is perfect for modern vehicles with advanced electrical systems. With a robust 105-amp output and 12 VDC voltage, it provides consistent power to keep your vehicle running smoothly. Precision-crafted mounting points are gauged, resized, or rethreaded for a perfect fit, ensuring hassle-free installation. Additionally, the purchase includes free 24-hour Roadside Assistance Protection, adding extra value and peace of mind. Built to rotate clockwise, this alternator is a reliable upgrade for your vehicle’s electrical system. Choose Bosch for unmatched durability and performance.

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
    • Provides consistent 105-amp output to support modern vehicles with advanced electrical systems, ensuring reliable power delivery.
See More

Carquest HD Electrical – Alternator: New, 105 Amps, With Pulley (Part No.71-7861-11N-6G)

Alternator: New, 105 Amps, With Pulley

from

$173.99
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:
  • 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.
See More

Carquest Premium – Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty (Part No.8112-5A)

Alternator: Remanufactured, 140 Amps, Limited Lifetime Warranty

from

$204.99
This remanufactured alternator delivers reliable performance with a robust 140.0-amp output and a 12.0 VDC voltage rating, ensuring your vehicle’s electrical systems operate at peak efficiency. Designed with a clockwise (right) rotation direction, it is part of the trusted Delco family, known for its durability and dependable engineering. Whether you’re powering essential components or additional accessories, this alternator provides consistent energy flow to meet your vehicle’s demands. Its remanufactured design offers a cost-effective solution without compromising on quality, making it an excellent choice for maintaining your vehicle’s performance. Built to last, this alternator is a smart investment for long-term reliability.

Product Features:
  • Provides a robust 140-amp output to ensure consistent energy flow for powering essential vehicle components and accessories.
  • Designed with a clockwise rotation direction for compatibility with specific vehicle systems.
  • Remanufactured construction offers a cost-effective solution while maintaining high-quality performance standards.
  • Part of the trusted Delco family, known for durability and dependable engineering.
  • Built to deliver long-term reliability, making it a smart investment for maintaining your vehicle’s electrical efficiency.
See More

Carquest Premium – Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty (Part No.7861-11A)

Alternator: Remanufactured, 105 Amps, Limited Lifetime Warranty

from

$149.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

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

Carquest Professional – Alternator: New, 105 Amps, Limited Lifetime Warranty (Part No.7884-11AN)

Alternator: New, 105 Amps, Limited Lifetime Warranty

from

$199.99
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
See More

Bosch – Alternator: Remanufactured, 105 Amps (Part No.AL668X)

Alternator: Remanufactured, 105 Amps

from

$156.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for your vehicle’s electrical system. With a robust 105-amp output and 12 VDC voltage, this alternator ensures consistent power delivery for all your automotive needs. 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 cutting-edge technology, ensuring long-lasting durability. Its clockwise rotation direction and advanced design make it a dependable replacement part that stands up to demanding conditions. Choose this alternator for a reliable, high-performance solution that keeps your vehicle running smoothly.

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.
    • Provides consistent 105-amp output to support your vehicle’s electrical system under demanding conditions.
    • Engineered with a clockwise rotation design for seamless compatibility and reliable operation.
See More

Carquest HD Electrical – Alternator: New, 105 Amps, With Pulley (Part No.71-8165-11N)

Alternator: New, 105 Amps, With Pulley

from

$158.99
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.
See More

Carquest Professional – Alternator: New, 140 Amps (Part No.8112-5AN)

Alternator: New, 140 Amps

from

$224.99
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
See More

Carquest Standard – Alternator: Remanufactured, 105 Amps, 1 Year Limited Warranty (Part No.7861-11AV)

Alternator: Remanufactured, 105 Amps, 1 Year Limited Warranty

from

$116.99
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
See More

WAI – Alternator: 100% NEW, 200 Amps (Part No.7861-11N-0G-HO)

Alternator: 100% NEW, 200 Amps

from

$217.99
This 100% NEW alternator from WAI is a premium choice for those seeking reliability and performance. Engineered to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. Its advanced voltage regulator protection guards against transient voltage spikes, preventing potential battery damage, while the low saturation voltage minimizes heat dissipation for enhanced durability. The high-power rectifier assembly, featuring open junction press-fit diodes, is designed to keep the unit running cool even under demanding conditions. Fully compliant with ECU communication, this alternator guarantees seamless integration with your vehicle’s system. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. Built for long-lasting efficiency, this alternator delivers exceptional value for your vehicle’s electrical system.

Product Features:
  • 100% NEW unit and all components.
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Voltage regulator protection – load dump protected against transient voltage spikes avoiding potential battery damage. Low saturation voltage results in lower heat dissipation. Fully compliant in communication with ECU.
  • High power rectifier assembly is designed with higher power open junction press fit diodes to keep the units running cool.
  • Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
  • Designed for enhanced durability, the alternator’s advanced construction minimizes heat dissipation, ensuring reliable performance even under demanding conditions.
  • Rigorously tested for reliability and durability, ensuring consistent performance and peace of mind for long-term use.
See More

Most Popular Drive End Bearing for 1957 Buick Roadmasters

Enhance your 1957 Buick Roadmaster with this popular Drive End Bearing we have in stock, for $36.49.

Schaeffler – Radial Insert Ball Bearing (Part No.6203-RSR)

Radial Insert Ball Bearing

from

$36.49
We develop and produce high-quality roller bearings, spherical bearings, and plain bearings worldwide for a wide range of applications.

Product Features:
  • Radial Ball Bearing, Both Sides Shield.
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

Best-Selling 1957 Buick Roadmaster Alternators

Upgrade your Roadmaster with one of our 2 best-selling Alternators.

Powermaster Performance – Alternator: 75 Amps Within Generator Style Case, 12V, 3/8" W Belt, Black (Part No.82051-2)

Alternator: 75 Amps Within Generator Style Case, 12V, 3/8" W Belt, Black

from

$559.99
The PowerGEN alternator delivers the classic appearance of a generator while offering the modern performance and reliability of an advanced alternator. Engineered from scratch with cutting-edge materials, it ensures durability and efficiency for your vehicle’s electrical system. Featuring one-wire operation, it simplifies installation and reduces clutter under the hood. Equipped with a heavy-duty regulator, it provides consistent and dependable power output, ranging from 75 amperes to 60 amperes at idle, making it ideal for demanding applications. Designed to fit generator bracketry seamlessly, this alternator is a perfect upgrade for vehicles requiring both style and functionality. With its robust construction and high-tech design, the PowerGEN alternator is a smart investment for enhancing your vehicle’s electrical performance while maintaining a vintage aesthetic.

Product Features:


Product Features:
  • One Wire Operation
  • Heavy Duty Regulator
  • 75 Ampere To 60 Ampere Idle
  • Designed To Fit Generator Bracketry
  • Delivers a vintage aesthetic with modern performance, combining durability and efficiency for enhanced vehicle electrical systems.
See More

Powermaster Performance – Alternator: 75 Amps Within Generator Style Case, 12V, 3/8" W Belt, Black (Part No.82051)

Alternator: 75 Amps Within Generator Style Case, 12V, 3/8" W Belt, Black

from

$534.99
The PowerGEN alternator combines the classic appearance of a generator with the advanced performance and reliability of modern alternator technology. Engineered from scratch using high-tech materials, it delivers dependable power with a heavy-duty regulator and one-wire operation for simplified installation. With an impressive output of 75 amperes and idle performance down to 60 amperes, this alternator ensures consistent energy delivery for demanding applications. Designed to fit generator bracketry seamlessly, it offers a hassle-free upgrade without compromising compatibility. Whether you’re restoring a vintage vehicle or enhancing your current setup, the PowerGEN alternator provides exceptional durability, efficiency, and value, making it a smart choice for reliable power solutions.

Product Features:


Product Features:
  • One Wire Operation
  • Heavy Duty Regulator
  • 75 Ampere To 60 Ampere Idle
  • Designed To Fit Generator Bracketry
  • Delivers dependable power with advanced alternator technology, ensuring consistent energy delivery for demanding applications.
See More

FAQs for 1957 Buick Roadmaster Alternator Parts

What are the best-selling Alternator Parts for 1957 Buick Roadmasters?

Out of 3 Alternator Parts that fit 1957 Buick Roadmasters, the following parts are the top sellers:

What’s the price range for 1957 Buick Roadmaster Alternator Parts?

The prices of Alternator Parts for the 1957 Buick Roadmaster range from $36.49 up to $559.99 for the most premium parts.

What is the average price of an Alternator Part for a 1957 Buick Roadmaster?

The average price for Alternator Parts for the 1957 Buick Roadmaster is $291.99. Keep in mind the variety of part types within our Alternator Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Alternator Parts for other Buick Roadmaster model years?

Yes, we carry Alternator Parts for 13 model years of Buick Roadmasters between 1950 and 1996. The following model years are the most popular for Alternator Part purchases: 1996, 1995, 1994, 1993, 1992, 1991, 1958, 1951, and 1952.

What are the cheapest Alternator Parts for my 1957 Buick Roadmaster?

The cheapest 1957 Buick Roadmaster Alternator Parts we carry are:

Does Advance Auto Parts sell Alternator Parts for any other 1957 Buick models?

Yes. We stock Alternator Parts for 2 other popular 1957 Buick models. Some of the most popular are 1957 Century Alternator Parts, 1957 Special Alternator Parts, and 1957 Super Alternator Parts.

What types of Alternator Parts do you sell for my 1957 Buick Roadmaster?

As of 3/1/26, these are some of the most in-demand types of Alternator Parts for a 1957 Buick Roadmaster:

Can I get help with 1957 Buick Roadmaster Alternator Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Alternator Parts and more.

What is your return policy for Buick Roadmaster Alternator Parts?

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