Mercedes-Benz E63 AMG S Alternators and Starters

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

The Valeo premium alternator, boasting a robust 180-amp output and 12 VDC voltage, is engineered for exceptional performance and reliability. As a global leader in electrical systems since 1923, Valeo delivers innovation with award-winning technology that eliminates voltage drops and enhances fuel economy. This 100% new alternator, featuring premium rare earth magnets, ensures superior efficiency without increasing size, while its application-specific design guarantees an exact fit for seamless installation. Built to withstand extreme conditions, it undergoes rigorous testing for up to six months to ensure reliability under harsh environments, including high heat, vibration, and exposure to contaminants. With its high resistance and maximum charge output, this alternator is ideal for demanding electrical systems. Part Number 439762, originally an OE component, is now available in the aftermarket, offering unmatched durability and value over remanufactured units. Choose Valeo for a premium alternator that combines innovation, durability, and precision engineering.

Product Features:

• Valeo premium alternators are 100% new products (not remanufactured)
• 100% new components and core eliminates premature failure for increased durability over remanufactured units
• All parts are application specific for an exact fit
• Premium rare earth magnets increase the output of the alternator without increasing the size for better efficiency
• All applications go under extreme condition testing up to 6 months to ensure reliability under the harshest conditions and electrical demands
• High resistance to heat, vibration, and contaminating particles helps maintain maximum charge output
• Part Number 439762 is the original equipment part now available in the aftermarket.

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

Product Features:

• Engineered for top-tier performance and reliability, ensuring dependable ignition system operation.
• Designed with a 10-tooth configuration for precise engagement and smooth functionality.
• Operates at 12 VDC to deliver consistent power, meeting the demands of modern vehicles.
• Rigorously tested to withstand tough conditions, ensuring long-lasting durability.

Product Features:

• Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
• Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strength outer case resists shorting.
• Armatures have precision machined and upgraded steel shaft for improved durability and performance.
• 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.

As a global leader in original equipment electrical systems since 1923, Valeo offers 100% new starter motors designed for performance and long-term reliability. Unlike remanufactured units, Valeo premium starters use entirely new components to eliminate premature failure risks and ensure consistent power delivery. Built to original equipment specifications, each starter undergoes stringent quality testing including noise, vibration, corrosion, and endurance validation under extreme conditions. With up to 40,000 test cycles simulating real-world starts, Valeo starters guarantee long-lasting performance. Trusted by major automakers worldwide, Valeo brings OE innovation and durability to the aftermarket with a perfect-fit solution that meets today¿s electrical system demands.

Product Features:

• 100% NEW ¿ Valeo premium starters are 100% new, not remanufactured, eliminating risks of premature failure
• 100% NEW ┐ Valeo premium starters are 100% new, not remanufactured, eliminating risks of premature failure
• OE FIT ¿ Direct replacement design ensures perfect fit and easy installation without modifications
• OE FIT ┐ Direct replacement design ensures perfect fit and easy installation without modifications
• EXTREME TESTED ¿ Subjected to rigorous testing for noise, vibration, corrosion, and durability under harsh conditions
• EXTREME TESTED ┐ Subjected to rigorous testing for noise, vibration, corrosion, and durability under harsh conditions
• HIGH-PERFORMANCE VALIDATION ¿ Undergoes up to 40,000 cycles of speed, temperature, and electrical measurement tests
• HIGH-PERFORMANCE VALIDATION ┐ Undergoes up to 40,000 cycles of speed, temperature, and electrical measurement tests
• LONG-LASTING RELIABILITY ¿ Built for consistent starting power and long service life across a range of vehicle applications.
• LONG-LASTING RELIABILITY ┐ Built for consistent starting power and long service life across a range of vehicle applications.

The Bosch Premium Starter is engineered to deliver exceptional performance and reliability, making it a trusted choice for your vehicle’s ignition system. Designed with a clockwise (right) rotation and featuring a 10-tooth configuration, this starter ensures precise engagement and smooth operation. Operating at 12 VDC, it provides consistent power to meet the demands of your engine. 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 electrical system.

Product Features:

Product Features:
• Engineered for exceptional performance and reliability, ensuring dependable ignition system operation.
• Features a 10-tooth configuration for precise engagement and smooth engine startup.
• Operates at 12 VDC, delivering consistent power to meet engine demands.
• Remanufactured to Bosch’s high standards, ensuring durability and long-lasting performance.
• Undergoes rigorous testing to guarantee compatibility and optimal functionality with your vehicle’s electrical system.

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

• BUILT TO LAST — Advanced heat treatment process for strength
• PREMIUM MATERIALS — Precision manufactured using premium-grade steel for lasting performance and extended bearing life
• RELIABLE PERFORMANCE — Element size and quantity are engineered to meet or exceed the load rating of OE bearings
• COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
• RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on