2018 Kia Optima Alternator Parts

Keep Your 2018 Kia Optima 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 2018 Kia Optima looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including 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 2018 Kia Optima Alternator Part at Advance Auto Parts is around $444.99, with a range that starts at $379.99 and goes up to $516.99. With 7 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty, Alternator: New, and Alternator: New start at just $379.99 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 Alternator Pulley Parts and Starter Parts. At Advance Auto Parts, we’re here to help you keep your 2018 Kia Optima in peak condition, inside and out.

Essential 2018 Kia Optima Alternator Parts

Bosch – Alternator: 150 Amps (Part No.AL4118X)

Alternator: 150 Amps

from

$416.99
The Bosch Premium Alternator, rated at 150 amps and 12 VDC, is engineered for peak performance and unmatched reliability. Built to endure extreme conditions of heat, cold, and high demand, it undergoes 100% factory testing to ensure consistent functionality. Designed to meet or exceed the performance of original equipment, this alternator guarantees a seamless fit and dependable operation. Utilizing advanced manufacturing technologies and premium-quality components, it delivers exceptional durability and a longer lifespan. Whether you’re replacing a worn-out unit or upgrading, this alternator is a top-tier choice for reliability and value.

Product Features:


    Product Features:
    • Built for extremes! Our new and reman starters and alternators are 100% factory tested to ensure reliable performance, under extremes of heat, cold and high demand
    • Our new and reman starters and alternators are designed to perform equal to or better than the original equipment parts, that they replace
    • Our new and reman starters and alternators are designed to be identical in fit and performance to original equipment parts
    • Our new and reman starters and alternators utilize the latest manufacturing technologies and highest quality parts to ensure the best performance and longest life
    • Automotive starters and alternators are backed by the Bosch Ultimate Protection Plan when unit is registered at the time of purchase: 2 year, 24 hour Roadside assistance; vehicle is jumped or towed for free up to 50 miles
See More

MANDO – Alternator: New (Part No.11A1086)

Alternator: New

from

$327.99
Alternator is a key component for supplying energy to all electrical systems in a vehicle. A failing/failed alternator symptoms may include dimming lights, engine stall, vehicle starting troubles, or simply cause a dead battery. HL Mando Alternators are direct OE replacements with factory specs to ensure the highest endurance and reliability possible. Count on HL Mando to provide you with the finest brand new alternator for your Hyundai, Kia and Genesis – We Are OE.

Product Features:
  • Brand New OE – No Core Exchange Required
  • Tested for Quality, Durability, and Reliability
  • Direct Original Equipment Replacement
  • Manufactured in Korea
  • Designed to meet factory specifications for optimal performance and compatibility.
See More

WAI – Valeo Ir/If 110 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.11020N)

Valeo Ir/If 110 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty

from

$219.99
This 110-amp 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. The advanced voltage regulator protection guards against transient voltage spikes, preventing potential battery damage, while its low saturation voltage minimizes heat dissipation for enhanced durability. The high-power rectifier assembly, equipped with open junction press-fit diodes, keeps the unit running cool even under demanding conditions. Fully compliant with ECU communication, this alternator delivers seamless integration with your vehicle’s systems. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. Designed for long-lasting efficiency, this alternator is a dependable solution for your vehicle’s electrical needs.

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

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.42064A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$409.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

MANDO – Alternator: New (Part No.11A1682)

Alternator: New

from

$325.99
Alternator is a key component for supplying energy to all electrical systems in a vehicle. A failing/failed alternator symptoms may include dimming lights, engine stall, vehicle starting troubles, or simply cause a dead battery. HL Mando Alternators are direct OE replacements with factory specs to ensure the highest endurance and reliability possible. Count on HL Mando to provide you with the finest brand new alternator for your Hyundai, Kia and Genesis – We Are OE.

Product Features:
  • Brand New OE – No Core Exchange Required
  • Tested for Quality, Durability, and Reliability
  • Direct Original Equipment Replacement
  • Manufactured in Korea
  • Designed to meet factory specifications for seamless integration and optimal performance.
See More

WAI – Valeo Ir/If 110 Amp/12 Volt, Cw, 6-Groove Clutch Pulley, Limited Lifetime Warranty (Part No.11493N)

Valeo Ir/If 110 Amp/12 Volt, Cw, 6-Groove Clutch Pulley, Limited Lifetime Warranty

from

$287.99
This 110-amp alternator from WAI is engineered to deliver exceptional performance and reliability, making it a top choice for aftermarket replacements. Designed to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. The advanced voltage regulator protection safeguards against transient voltage spikes, preventing potential battery damage while maintaining efficient communication with the ECU. Its low saturation voltage minimizes heat dissipation, enhancing durability and performance. The high-power rectifier assembly, equipped with open junction press-fit diodes, keeps the unit running cool even under demanding conditions. Each unit is rigorously tested, and a printed copy of the test results is included, giving you confidence in its quality and functionality from the moment it powers on. Built for long-lasting dependability, this alternator is a smart investment for maintaining your vehicle’s electrical system.

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

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.10294A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$479.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Valeo – Alternator: New, 110 Amps (Part No.849101)

Alternator: New, 110 Amps

from

$399.99
The Valeo premium alternator delivers exceptional performance and reliability, making it a top choice for automotive electrical systems. Built with 100% new components and core, this alternator eliminates the risk of premature failure, ensuring long-lasting durability compared to remanufactured units. Designed with application-specific parts for an exact fit, it features premium rare earth magnets that enhance output efficiency without increasing size. With an amperage rating of 110A and a 12 VDC voltage, this alternator is engineered to meet demanding electrical needs while maintaining high resistance to heat, vibration, and contaminants. Rigorous testing under extreme conditions for up to six months guarantees reliability in the harshest environments. As the original equipment part now available in the aftermarket, Part Number 849101 represents Valeo’s commitment to innovation and quality. Ideal for boosting fuel economy and eliminating voltage drops, this alternator is a smart investment for superior performance and efficiency.

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 849101 is the original equipment part now available in the aftermarket.
See More

Carquest Premium – Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty (Part No.11871A)

Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty

from

$469.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Bosch – Alternator: Remanufactured, 110 Amps, 2 Year Limited Warranty (Part No.AL4098X)

Alternator: Remanufactured, 110 Amps, 2 Year Limited Warranty

from

$212.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for your vehicle’s electrical system. With a robust 110-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 110-amp power output to support demanding electrical systems and accessories.
    • Engineered for durability under challenging conditions with a precision design and robust construction.
See More

Valeo – Alternator: New, 110 Amps (Part No.849100)

Alternator: New, 110 Amps

from

$449.99
The Valeo premium alternator delivers exceptional performance and reliability, making it a top choice for automotive electrical systems. Built with 100% new components and core, this alternator eliminates the risk of premature failure, ensuring long-lasting durability compared to remanufactured units. Designed for an exact fit with application-specific parts, it features premium rare earth magnets that enhance output efficiency without increasing size. With an amperage rating of 110 A and a voltage of 12 VDC, this alternator is engineered to meet demanding electrical needs while maintaining high resistance to heat, vibration, and contaminants. Rigorous testing under extreme conditions for up to six months guarantees reliability in harsh environments. As the original equipment part now available in the aftermarket, Valeo’s alternator combines innovation and quality, boosting fuel economy and eliminating voltage drops. Its clockwise rotation and Valeo OE family design further ensure compatibility and optimal performance for your vehicle.

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 849100 is the original equipment part now available in the aftermarket.
See More

Carquest Premium – Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty (Part No.11015A)

Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty

from

$187.99
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

MANDO – Alternator: New (Part No.11A1351)

Alternator: New

from

$297.99
Alternator is a key component for supplying energy to all electrical systems in a vehicle. A failing/failed alternator symptoms may include dimming lights, engine stall, vehicle starting troubles, or simply cause a dead battery. HL Mando Alternators are direct OE replacements with factory specs to ensure the highest endurance and reliability possible. Count on HL Mando to provide you with the finest brand new alternator for your Hyundai, Kia and Genesis – We Are OE.

Product Features:
  • Brand New OE – No Core Exchange Required
  • Tested for Quality, Durability, and Reliability
  • Direct Original Equipment Replacement
  • Manufactured in Korea
  • Designed to meet factory specifications for seamless integration and optimal performance.
See More

MANDO – Alternator: New (Part No.11A1064)

Alternator: New

from

$258.99
Alternator is a key component for supplying energy to all electrical systems in a vehicle. A failing/failed alternator symptoms may include dimming lights, engine stall, vehicle starting troubles, or simply cause a dead battery. HL Mando Alternators are direct OE replacements with factory specs to ensure the highest endurance and reliability possible. Count on HL Mando to provide you with the finest brand new alternator for your Hyundai, Kia and Genesis – We Are OE.

Product Features:
  • Brand New OE – No Core Exchange Required
  • Tested for Quality, Durability, and Reliability
  • Direct Original Equipment Replacement
  • Manufactured in Korea
  • Designed to meet factory specifications for seamless integration and optimal performance.
See More

Carquest Premium – Alternator: Remanufactured, 95 Amps, Limited Lifetime Warranty (Part No.13783A)

Alternator: Remanufactured, 95 Amps, Limited Lifetime Warranty

from

$231.99
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, 110 Amps, Limited Lifetime Warranty (Part No.11491AN)

Alternator: New, 110 Amps, Limited Lifetime Warranty

from

$299.99
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 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
    • 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

MANDO – Alternator: New (Part No.11A1672)

Alternator: New

from

$379.99
Alternator is a key component for supplying energy to all electrical systems in a vehicle. A failing/failed alternator symptoms may include dimming lights, engine stall, vehicle starting troubles, or simply cause a dead battery. HL Mando Alternators are direct OE replacements with factory specs to ensure the highest endurance and reliability possible. Count on HL Mando to provide you with the finest brand new alternator for your Hyundai, Kia and Genesis – We Are OE.

Product Features:
  • Brand New OE – No Core Exchange Required
  • Tested for Quality, Durability, and Reliability
  • Direct Original Equipment Replacement
  • Manufactured in Korea
  • Designed to meet factory specifications for seamless integration and optimal performance.
See More

WAI – Valeo Ir/If 110 Amp/12 Volt, Cw, 6-Groove Clutch Pulley, Limited Lifetime Warranty (Part No.11189N)

Valeo Ir/If 110 Amp/12 Volt, Cw, 6-Groove Clutch Pulley, Limited Lifetime Warranty

from

$239.99
This 110-amp 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 delivers seamless integration with your vehicle’s systems. 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 is a dependable solution for your vehicle’s electrical needs.

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

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.11710A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$524.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Bosch – Alternator: Remanufactured, 110 Amps, 2 Year Limited Warranty (Part No.AL4065X)

Alternator: Remanufactured, 110 Amps, 2 Year Limited Warranty

from

$351.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for your vehicle’s electrical system. With a robust 110-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 Bosch for a premium alternator that combines superior functionality with unmatched reliability.

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 12 VDC power output, supporting the electrical needs of modern vehicles with precision and stability.
See More

Carquest Professional – Alternator: New, 110 Amps, Limited Lifetime Warranty (Part No.11493AN)

Alternator: New, 110 Amps, Limited Lifetime Warranty

from

$611.99
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:


    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 Premium – Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty (Part No.11493A)

Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty

from

$313.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


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

Carquest Premium – Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty (Part No.11491A)

Alternator: Remanufactured, 110 Amps, Limited Lifetime Warranty

from

$264.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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WAI – Alternator: New, 110 Amps (Part No.11492N)

Alternator: New, 110 Amps

from

$309.99
Alternator: New, 110 Amps by WAI delivers exceptional performance and reliability, engineered to meet or exceed OEM specifications for a seamless fit and hassle-free installation. Designed with advanced voltage regulator protection, it safeguards against transient voltage spikes, preventing potential battery damage while ensuring efficient communication with the ECU. The high-power rectifier assembly features open junction press-fit diodes, promoting cooler operation and enhanced durability. With low saturation voltage, heat dissipation is minimized, ensuring long-lasting functionality. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. Perfect for those seeking superior quality and dependable power output, this alternator is built to keep your vehicle running smoothly.

Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Voltage regulator protection – load dump protected against transient voltage spikes avoiding potential battery damage. Low saturation voltage results in lower heat dissipation. Fully compliant in communication with ECU.
  • High power rectifier assembly is designed with higher power open junction press fit diodes to keep the units running cool.
  • Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
  • Designed for enhanced durability, the alternator’s advanced construction minimizes heat dissipation, ensuring long-lasting and reliable performance under demanding conditions.
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WAI – Valeo Ir/If 110 Amp/12 Volt, Cw, 4-Groove Pulley, Limited Lifetime Warranty (Part No.11014N)

Valeo Ir/If 110 Amp/12 Volt, Cw, 4-Groove Pulley, Limited Lifetime Warranty

from

$287.99
This 110-amp alternator from WAI is engineered to deliver exceptional performance and reliability, making it a top choice for aftermarket replacements. Designed to meet or exceed OEM specifications, it ensures a perfect fit and hassle-free installation. The advanced voltage regulator protection safeguards against transient voltage spikes, preventing potential battery damage while maintaining efficient communication with the ECU. Its low saturation voltage minimizes heat dissipation, enhancing durability and performance. The high-power rectifier assembly, equipped with open junction press-fit diodes, keeps the unit running cool even under demanding conditions. Each unit is rigorously tested, and a printed copy of the test results is included, giving you confidence in its quality and functionality from the moment it powers on. Built for long-lasting dependability, this alternator is a smart investment for maintaining your vehicle’s electrical system.

Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Voltage regulator protection – load dump protected against transient voltage spikes avoiding potential battery damage. Low saturation voltage results in lower heat dissipation. Fully compliant in communication with ECU.
  • High power rectifier assembly is designed with higher power open junction press fit diodes to keep the units running cool.
  • Each unit includes a printed copy of the test results so you know exactly what to expect from our parts right from the first time they power on.
  • Built with durability in mind, this alternator is designed to withstand demanding conditions, ensuring long-lasting performance and reliability for your vehicle’s electrical system.
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Carquest Professional – Alternator: New, 130 Amps, Limited Lifetime Warranty (Part No.11190AN)

Alternator: New, 130 Amps, Limited Lifetime Warranty

from

$534.99
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:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • All new components are utilized to ensure long service life
    • Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
    • Internal electronics are upgraded for heavy duty reliability (where applicable)
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
    • Rotors and stators are load tested and double insulated for maximum charging performance
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Carquest Premium – Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty (Part No.10183A)

Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty

from

$342.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
    • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
    • 100% new OE-quality brushes and bearings are used to ensure long service life
    • Rotors and stators are load tested and double insulated for maximum charging performance
    • Slip rings are precision polished for maximum brush contact and service life
    • Application-specific technical bulletins included where applicable
    • All units are 100% triple tested to ensure quality and performance
    • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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OE+ – Alternator: Remanufactured (Part No.F40002246835IAP)

Alternator: Remanufactured

from

$324.51
Are you looking for a quality replacement part for your vehicle’s electrical system- Today’s remanufactured alternator is a complex combination of inner workings, and we completely remanufacture them to our own premium standard. All terminals are cleaned and replated. The slip rings are polished or replaced to maintain proper contact. The rectifier, diodes, rotor and bearings are performance tested or replaced for maximum output. All housings are cleaned and refinished and all stators are tested for integrity and recoated for corrosion prevention.

Product Features:


    Product Features:
    • OE-Equivalent Direct Fit Application.
    • Fully tested to meet OE specifications.
    • Provides exceptional reliability.
    • Enhanced corrosion resistance through recoated stators for prolonged durability.
    • Polished or replaced slip rings ensure optimal electrical contact and performance.
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Most Popular Alternators for 2018 Kia Optimas

Enhance your 2018 Kia Optima with one of the 7 Alternators we have in stock, starting at just $379.99.

Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.42064A)

Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty

from

$409.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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Carquest Premium – Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty (Part No.11871A)

Alternator: Remanufactured, 130 Amps, Limited Lifetime Warranty

from

$469.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading limited warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading limited warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • Regulators and rectifiers are 100% electronically load tested for reliable charging performance
  • 100% new OE-quality brushes and bearings are used to ensure long service life
  • Rotors and stators are load tested and double insulated for maximum charging performance
  • Slip rings are precision polished for maximum brush contact and service life
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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WAI – Alternator: New (Part No.21153N)

Alternator: New

from

$516.99
This 100% new alternator from WAI is expertly crafted to meet or exceed original equipment (OE) specifications, ensuring a seamless fit and reliable performance. Designed for hassle-free installation, it features a plug-and-play setup with no need for technical programming. Manufactured with high-grade materials, this alternator boasts precision engineering for superior durability, fit, and functionality. Premium components, including high-quality bearings, brushes, and a premium pulley, ensure long-lasting performance, while rigorous testing and validation guarantee reliability. With no core returns required, you can enjoy a straightforward purchasing experience without the hassle of core handling.

Product Features:


Product Features:
  • 100 percent new – Ensuring quality and performance to meet or exceed OE requirements.
  • NO CORES – No core returns mean no core handling hassles.
  • EASY INSTALLATION – Plug and play installation with no technical programming steps required.
  • PRECISION DESIGN – Precision engineered parts manufactured with high-grade materials deliver superior fit, performance and longer life.
  • PREMIUM COMPONENTS – High-quality bearings, premium brushes and premium pulley provide long-lasting performance.
  • RIGOROUSLY TESTED – Each unit is tested and validated against a comprehensive list of test protocols with an end of line testing report
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WAI – Alternator: New (Part No.11953N)

Alternator: New

from

$488.99
The WAI 100 percent new alternator is a premium solution designed to meet or exceed original equipment specifications, ensuring a seamless fit and reliable performance. Built with high-grade materials and precision engineering, this alternator delivers exceptional durability and efficiency for long-lasting operation. Its plug-and-play design eliminates the need for technical programming, making installation quick and hassle-free. Featuring premium components such as high-quality bearings, brushes, and a durable pulley, it guarantees optimal functionality under demanding conditions. With no core returns required, you can enjoy a straightforward purchasing experience without additional handling concerns. Each unit undergoes rigorous testing and validation, including a comprehensive end-of-line testing report, to ensure top-tier quality and reliability.

Product Features:


Product Features:
  • 100 percent new – Ensuring quality and performance to meet or exceed OE requirements.
  • NO CORES – No core returns mean no core handling hassles.
  • EASY INSTALLATION – Plug and play installation with no technical programming steps required.
  • PRECISION DESIGN – Precision engineered parts manufactured with high-grade materials deliver superior fit, performance and longer life.
  • PREMIUM COMPONENTS – High-quality bearings, premium brushes and premium pulley provide long-lasting performance.
  • RIGOROUSLY TESTED – Each unit is tested and validated against a comprehensive list of test protocols with an end of line testing report
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Valeo – Alternator: New (Part No.849193)

Alternator: New

from

$439.99
As a pioneer in automotive electrical systems since 1923, Valeo delivers OE-quality alternators trusted by global vehicle manufacturers. Valeo alternators are 100% new never remanufactured and are engineered with premium rare earth magnets to enhance power output without increasing unit size. Each unit is tested for up to 1,000 hours in extreme thermal, vibration, and electrical Conditions to guarantee long-lasting reliability. Designed for seamless OE fitment, Valeo alternators help improve charging efficiency and reduce CO emissions, making them the ideal solution for both performance and sustainability.

Product Features:


Product Features:
  • 100% NEW PRODUCT – Valeo alternators are 100% new, not remanufactured, eliminating the risk of premature failure
  • OE FIT – Application-specific design ensures exact fit and seamless integration with vehicle systems
  • HIGH-EFFICIENCY OUTPUT – Premium rare earth magnets deliver higher charging power without increasing unit size
  • EXTREME TESTING – Each alternator undergoes up to 1,000 hours of load and thermal cycle testing for proven durability
  • BUILT TO LAST – Resistant to heat, vibration, and contaminants for long-term, reliable performance.
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Bosch – Alternator: 150 Amps (Part No.AL4118X)

Alternator: 150 Amps

from

$416.99
The Bosch Premium Alternator, rated at 150 amps and 12 VDC, is engineered for peak performance and unmatched reliability. Built to endure extreme conditions of heat, cold, and high demand, it undergoes 100% factory testing to ensure consistent functionality. Designed to meet or exceed the performance of original equipment, this alternator guarantees a seamless fit and dependable operation. Utilizing advanced manufacturing technologies and premium-quality components, it delivers exceptional durability and a longer lifespan. Whether you’re replacing a worn-out unit or upgrading, this alternator is a top-tier choice for reliability and value.

Product Features:


Product Features:
  • Built for extremes! Our new and reman starters and alternators are 100% factory tested to ensure reliable performance, under extremes of heat, cold and high demand
  • Our new and reman starters and alternators are designed to perform equal to or better than the original equipment parts, that they replace
  • Our new and reman starters and alternators are designed to be identical in fit and performance to original equipment parts
  • Our new and reman starters and alternators utilize the latest manufacturing technologies and highest quality parts to ensure the best performance and longest life
  • Automotive starters and alternators are backed by the Bosch Ultimate Protection Plan when unit is registered at the time of purchase: 2 year, 24 hour Roadside assistance; vehicle is jumped or towed for free up to 50 miles
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MANDO – Alternator: New (Part No.11A1672)

Alternator: New

from

$379.99
Alternator is a key component for supplying energy to all electrical systems in a vehicle. A failing/failed alternator symptoms may include dimming lights, engine stall, vehicle starting troubles, or simply cause a dead battery. HL Mando Alternators are direct OE replacements with factory specs to ensure the highest endurance and reliability possible. Count on HL Mando to provide you with the finest brand new alternator for your Hyundai, Kia and Genesis – We Are OE.

Product Features:
  • Brand New OE – No Core Exchange Required
  • Tested for Quality, Durability, and Reliability
  • Direct Original Equipment Replacement
  • Manufactured in Korea
  • Designed to meet factory specifications for seamless integration and optimal performance.
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FAQs for 2018 Kia Optima Alternator Parts

What are the best-selling Alternator Parts for 2018 Kia Optimas?

Out of 7 Alternator Parts that fit 2018 Kia Optimas, the following parts are the top sellers:

What’s the price range for 2018 Kia Optima Alternator Parts?

The prices of Alternator Parts for the 2018 Kia Optima range from $379.99 up to $516.99 for the most premium parts.

What is the average price of an Alternator Part for a 2018 Kia Optima?

The average price for Alternator Parts for the 2018 Kia Optima is $444.99. 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 Kia Optima model years?

Yes, we carry Alternator Parts for 18 model years of Kia Optimas between 2001 and 2020. The following model years are the most popular for Alternator Part purchases: 2020, 2019, 2017, 2016, 2015, 2014, 2013, 2012, and 2011.

What are the cheapest Alternator Parts for my 2018 Kia Optima?

The cheapest 2018 Kia Optima Alternator Parts we carry are:

Does Advance Auto Parts sell Alternator Parts for any other 2018 Kia models?

Yes. We stock Alternator Parts for 7 other popular 2018 Kia models. Some of the most popular are 2018 Sportage Alternator Parts, 2018 Rio Alternator Parts, 2018 Forte Alternator Parts, 2018 Sorento Alternator Parts, and 2018 Sedona Alternator Parts.

What are the top-rated Alternator Parts that fit the 2018 Kia Optima?

The one 2018 Kia Optima Alternator Part we have in stock is the Alternator: New. It costs $379.99.

What types of Alternator Parts do you sell for my 2018 Kia Optima?

We currently have just 1 Alternator Part in stock for a 2018 Kia Optima, and as of 11/2/25, it is an Alternator.

Can I get help with 2018 Kia Optima Alternator Part orders?

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

What is your return policy for Kia Optima Alternator Parts?

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