2003 Isuzu Ascender Alternators and Starters
Find Your Specific 2003 Isuzu Ascender Alternators and Starters
Below you will find various in-demand Isuzu Alternators and Starters, components and accessories for your 2003 Ascender. Advance Auto Parts has popular Ascender parts like Ignition Lock Parts, Starter Parts, Alternator Parts and more. You’ll also find aftermarket and OEM Alternators and Starters for other Ascender model years including
2004,
2005,
2006,
2007,
2008 and more. Select a category of 2003 Isuzu Ascender Alternators and Starters below and start saving instantly.
Popular 2003 Isuzu Ascender Alternators and Starters Categories
Essential Alternators and Starters for 2003 Isuzu Ascenders
Carquest Professional – Alternator: New, 150 Amps, Limited Lifetime Warranty (Part No.8290AN)
from
$290.99
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:
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Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- All new components are utilized to ensure long service life
- Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
- Internal electronics are upgraded for heavy duty reliability (where applicable)
- Regulators and rectifiers are 100% electronically load tested for reliable charging performance
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
- Rotors and stators are load tested and double insulated for maximum charging performance
Carquest Standard – Alternator: Remanufactured, 150 Amps, 1 Year Limited Warranty (Part No.8290AV)
from
$180.99
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:
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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
Product Features:
Bosch – Alternator: Remanufactured, 145 Amps, 2 Year Limited Warranty (Part No.AL8515X)
from
$222.99
The Bosch Premium Alternator, remanufactured to deliver 145 amps of power, is engineered for peak performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures consistent and dependable operation. With a 12 VDC voltage rating and clockwise rotation direction, it is designed to integrate seamlessly into your vehicle’s electrical system. Built using high-quality materials and advanced technology, it offers exceptional durability to withstand demanding conditions. Unlike rebuilt units, this alternator is 100% factory tested and remanufactured for superior quality and longevity. Whether you’re upgrading or replacing, this alternator provides unmatched value and reliability for your vehicle’s electrical needs.
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Product Features:
- Full-load tested to guarantee compliance with Bosch’s strict performance specifications
- 100% factory tested, units are remanufactured (not rebuilt)
- Built to last – uses high quality materials and the most technologically advanced developments.
- Seamless integration into your vehicle’s electrical system with a 12 VDC voltage rating and clockwise rotation direction.
- Engineered to withstand demanding conditions, ensuring consistent and dependable operation over time.
Product Features:
Bosch – Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty (Part No.AL8893X)
from
$261.99
The Bosch Premium Alternator, delivering 150 amps at 12 VDC, is engineered for exceptional performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures dependable operation under demanding conditions. Unlike rebuilt units, it is 100% factory-tested and remanufactured using high-quality materials and cutting-edge technology, guaranteeing long-lasting durability. Designed with a clockwise rotation direction, it is built to seamlessly integrate into your vehicle’s electrical system. Whether you’re replacing a worn-out alternator or upgrading for enhanced performance, this Bosch alternator offers unmatched value and peace of mind.
Product Features:
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Product Features:
- Full-load tested to guarantee compliance with Bosch’s strict performance specifications
- 100% factory tested, units are remanufactured (not rebuilt)
- Built to last – uses high quality materials and the most technologically advanced developments.
- Seamlessly integrates with your vehicle’s electrical system for optimal compatibility and performance.
- Engineered for dependable operation under demanding conditions, ensuring reliability when you need it most.
Product Features:
GM Genuine Parts – Alternator: Remanufactured, 145 Amps, 2 Year Limited Warranty (Part No.321-2128)
from
$384.99
The remanufactured alternator delivers reliable performance with a robust 145-amp output and 12 VDC voltage, making it ideal for powering your vehicle’s electrical systems. Designed with a clockwise rotation direction and part of the trusted DELCO AD244 LN31 family, this alternator ensures compatibility with GM specifications. Featuring ACDelco GM Original Equipment quality, it benefits from industry-standard remanufacturing practices that restore parts to service while reducing waste. Each unit undergoes rigorous testing to guarantee dependable operation and long-lasting durability. Whether you’re replacing a worn-out alternator or upgrading your vehicle’s electrical system, this alternator offers exceptional value and performance.
Product Features:
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Product Features:
- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
- Tested to ensure they perform to GM specifications
- Designed with a robust 145-amp output, this alternator provides reliable power to support your vehicle’s electrical systems effectively.
- Features a clockwise rotation direction for seamless compatibility with GM vehicles, ensuring optimal performance and fit.
Product Features:
Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.8290A)
from
$225.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
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Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Regulators and rectifiers are 100% electronically load tested for reliable charging performance
- 100% new OE-quality brushes and bearings are used to ensure long service life
- Rotors and stators are load tested and double insulated for maximum charging performance
- Slip rings are precision polished for maximum brush contact and service life
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.8498A)
from
$161.99
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 a 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:
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Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Regulators and rectifiers are 100% electronically load tested for reliable charging performance
- 100% new OE-quality brushes and bearings are used to ensure long service life
- Rotors and stators are load tested and double insulated for maximum charging performance
- Slip rings are precision polished for maximum brush contact and service life
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
Carquest Premium – Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty (Part No.8292A)
from
$230.99
This remanufactured alternator delivers reliable performance with a robust 145.0-amp output and a 12.0 VDC voltage rating, ensuring your vehicle’s electrical systems operate at peak efficiency. Designed for durability and precision, it features a clockwise (right) rotation direction and belongs to the trusted Delco family, known for quality and dependability. Whether you’re powering essential components or additional accessories, this alternator is engineered to meet the demands of modern vehicles. Its remanufactured design offers a cost-effective solution without compromising on performance, making it an excellent choice for those seeking value and reliability.
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Product Features:
- Provides a robust 145-amp output to ensure optimal performance for your vehicle’s electrical systems.
- Engineered with a clockwise rotation direction for precise compatibility with modern vehicle designs.
- Remanufactured design offers a cost-effective solution while maintaining high-quality performance standards.
- Belongs to the trusted Delco family, renowned for reliability and durability in automotive electrical components.
- Designed to efficiently power both essential vehicle systems and additional accessories.
WAI – Delco Dr44G Ir/If 150 Amp/12 Volt, Cw, 6-Groove Pulley, Limited Lifetime Warranty (Part No.8497N)
from
$237.99
This 150-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 its low saturation voltage minimizes heat dissipation for enhanced durability. Featuring a high-power rectifier assembly with open junction press-fit diodes, this alternator is built to run cooler and more efficiently. Each unit comes with a printed copy of test results, providing transparency and confidence in its performance from the very first use. With WAI’s commitment to quality, this alternator offers long-lasting value and dependable power for your vehicle.
Product Features:
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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 for enhanced durability, the alternator’s advanced design minimizes heat dissipation, ensuring reliable performance and long-lasting value.
Carquest Premium – Ignition Lock Cylinder (Part No.CSC1473)
from
$58.99
The Ignition switch is the main power switched distribution point in every vehicle. The ignition switch in some manner will be connected directly to the vehicle battery and then supply power out to every operating system in the vehicle that is required to be connected and disconnected from the vehicle’s battery or power source.
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Product Features:
- Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure confidence and product reliability, every time.
Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6494SN)
from
$239.99
Carquest Professional starters are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new starters are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional starters are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new starters are built with all new components and are 100% triple-tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
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Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
- All new components are utilized to ensure long service life
- Internal electronics are upgraded for heavy duty reliability (where applicable)
- Armatures and commutators are 100% load tested
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
Product Features:
Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6934S)
from
$229.99
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.
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Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.6490SV)
from
$159.99
Carquest Standard starters are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard starters are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
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Product Features:
- Designed to meet OE specifications for fit, form and function
- Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
- Designed to meet OE specifications for fit, form and function
- Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6489SN)
from
$188.99
Carquest Professional starters are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new starters are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional starters are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new starters are built with all new components and are 100% triple-tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
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Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
- All new components are utilized to ensure long service life
- Internal electronics are upgraded for heavy duty reliability (where applicable)
- Armatures and commutators are 100% load tested
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
Product Features:
Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6499S)
from
$215.99
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.
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GM Genuine Parts – Starter: Remanufactured (Part No.323-1468)
from
$471.99
Product Features:
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- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
- Tested to ensure they perform to GM specifications
- Designed and engineered to meet rigorous standards, ensuring reliable performance and durability.
ACDelco – Starter: Remanufactured (Part No.336-1929A)
from
$222.99
Product Features:
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- Remanufactured using consistent quality processes; not just rebuilt
- Starters have new bronze sintered and oil-impregnated armature bushings
- Solenoid contacts are new with copper terminals and plated hardware
- Performance-tested and inspected to ensure they meet your expectations for quality design and component specifications
- Designed to meet the fit, form, and function requirements for a wide range of General Motors vehicles and other makes and models, including special applications.
Bosch – Starter: Remanufactured (Part No.SR8585X)
from
$196.99
Bosch Premium Starters are designed, built and tested to provide the ultimate in performance and reliability.
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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
GM Genuine Parts – Starter: Remanufactured (Part No.323-1644)
from
$384.99
Product Features:
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- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
- Tested to ensure they perform to GM specifications
- Designed with a 9-tooth configuration to deliver precise and consistent engagement for reliable vehicle starting.
- Operates at 12 VDC, ensuring compatibility and optimal performance within a wide range of GM vehicles.
Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6490S)
from
$219.99
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:
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Product Features:
- Each unit is triple-tested to ensure quality and performance
- All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
- Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
- Remanufactured to meet or exceed OE specifications, ensuring reliable fit, form, and function for optimal vehicle performance.
- 100% electronic testing of critical components and the entire unit guarantees consistent and dependable operation.
Product Features:
Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6494S)
from
$188.99
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:
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Product Features:
- Each unit is triple-tested to ensure quality and performance
- All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
- Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
- Remanufactured to meet or exceed OE specifications for fit, form, and function, ensuring reliable and precise performance.
- 100% electronically tested during assembly to guarantee optimal functionality and durability.
Product Features:
Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6782S)
from
$160.99
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 a 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:
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Product Features:
- Each unit is triple-tested to ensure quality and performance
- All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
- Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
- Remanufactured to meet or exceed OE specifications for fit, form, and function, ensuring reliable performance and compatibility.
- 100% electronic testing of critical components and the entire unit guarantees optimal functionality and durability.
Product Features:
Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.6494SV)
from
$135.99
Carquest Standard starters are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard starters are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
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Product Features:
- Designed to meet OE specifications for fit, form and function
- Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
- Designed to meet OE specifications for fit, form and function
- Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
GM Genuine Parts – Starter: Remanufactured (Part No.323-1639)
from
$496.99
Product Features:
See More
- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
- Tested to ensure they perform to GM specifications
- Designed and engineered to meet rigorous standards, ensuring reliable performance and durability.
GM Genuine Parts – Starter: Remanufactured (Part No.323-1653)
from
$401.99
Product Features:
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- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
- Tested to ensure they perform to GM specifications
- Designed and engineered to meet rigorous standards, ensuring reliable performance and durability.
Carquest HD Electrical – Starter: New, 12V, 9 Tooth (Part No.72-6494N)
from
$199.99
Carquest Starters take advantage of the power of 100% NEW to restore hard working vehicles to OE specified performance & endurance. All new units and components offer unmatched performance, reduce downtime & customer comebacks. Carquest Starters are primed to keep fleets moving forward. Built to perform in severe duty environments, with high output capabilities built in through improved technical & material formulas for high power output and efficient performance
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Product Features:
- High quality components form the foundation our parts are built from. Transpo¿s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
- High quality components form the foundation our parts are built from. Transpo┐s innovative and high quality electronic technologies for internal components are incorporated to achieve high performance outputs.
- Power & Efficiency are designed into every component. No matter the ambient temperature, starters will provide maximum cranking power to get engines running.
- Connectors and power transmission components are highly resistant to extreme moisture environments because we use nickel plated contactors and double armature coating. We maintain a rigorous test schedule with endurance, salt spray, dirt and grime and out
- Integrated magnetic switch provides protection against weak power from batteries.
- Over-Crank Protection (OCP) Monitors heat in starter from over cranking & shuts down starter to prevent burning
- Precision design and machining are the Extreme vibration failure solution. Vehicles often perform in adverse conditions like extreme temperatures that create tolerance shifts that produce high frequency vibration, which leads to resistance in power transf
Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6489S)
from
$176.99
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 a 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:
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Product Features:
- Each unit is triple-tested to ensure quality and performance
- All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
- Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
- Remanufactured to meet or exceed OE specifications for fit, form, and function, ensuring reliable performance and compatibility.
- 100% electronic testing of all critical components and the entire unit guarantees optimal functionality and durability.
Product Features:
WAI – Starter: 1.4kW/12 Volt, CW, 11-Tooth Pinion (Part No.6934N)
from
$139.99
Product Features:
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- 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.
Upgrade your 2003 Isuzu Ascender with Top-Quality Alternators and Starters
When it comes to maintaining or upgrading your 2003 Isuzu Ascender, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Isuzu or enhancing its overall performance, Alternators and Starters are key to keeping your Ascender functioning at its best. At Advance Auto Parts, we offer a wide selection of 24 Alternators and Starters for the 2003 Isuzu Ascender, designed to meet your needs without breaking the bank.
From
Ignition Lock Part
replacements to
Starter Parts
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Alternators and Starters for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Alternators and Starters for your 2003 Isuzu Ascender at great prices.
Our Alternators and Starters inventory for this model
ranges from just $58.99 to $501.99, with
an average price of $258.18.
Our 24 Alternators and Starters in stock come from 7 trusted brands, so you’re sure to find the right part for your 2003 Isuzu Ascender without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Isuzu Ascender, we stock popular OEM and aftermarket Alternators and Starters from top names
like Carquest Professional, Carquest Premium, Carquest, and more.
Carquest Professional Alternators and Starters
start at just $188.99 and boast an impressive 4.5 stars average rating from customers.
Carquest Premium and Carquest also bring quality to the table, with Alternators and Starters available starting at $169.99, and at an average 4.4 stars rating.
With 996 customer reviews and counting, our 2003 Isuzu Ascender Alternators and Starters have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Alternators and Starter upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2003 Isuzu Ascender is always ready to roll. We’re committed to providing you with everything you need to keep your Ascender in top shape, all in one place.
Start shopping confidently below for your 2003 Isuzu Ascender!
Best-Selling Ignition Lock Parts for 2003 Isuzu Ascenders
Enhance the driving experience in your Isuzu with 1 quality Ignition Lock Part components, starting at $58.99.
Carquest Premium – Ignition Lock Cylinder (Part No.CSC1473)
from
$58.99
The Ignition switch is the main power switched distribution point in every vehicle. The ignition switch in some manner will be connected directly to the vehicle battery and then supply power out to every operating system in the vehicle that is required to be connected and disconnected from the vehicle’s battery or power source.
Product Features:
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Product Features:
- Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure confidence and product reliability, every time.
Most Popular 2003 Isuzu Ascender Starter Parts
Customize your Isuzu with 9 Starter Parts products
like Starters, all
priced under $471.99.
Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6489S)
from
$176.99
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 a 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:
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Product Features:
- Each unit is triple-tested to ensure quality and performance
- All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
- Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
- Remanufactured to meet or exceed OE specifications for fit, form, and function, ensuring reliable performance and compatibility.
- 100% electronic testing of all critical components and the entire unit guarantees optimal functionality and durability.
Carquest Premium – Starter: Remanufactured, Limited Lifetime Warranty (Part No.6490S)
from
$219.99
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:
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Product Features:
- Each unit is triple-tested to ensure quality and performance
- All wear components (brushes, bushings, and bearings) are replaced with all NEW components in the remanufacturing process
- Tech Hotline with trained ASE Certified Technicians: Call Carquest Technical Support at 1-800-228-9672
- Remanufactured to meet or exceed OE specifications, ensuring reliable fit, form, and function for optimal vehicle performance.
- 100% electronic testing of critical components and the entire unit guarantees consistent and dependable operation.
Carquest Professional – Starter: New, Limited Lifetime Warranty (Part No.6489SN)
from
$188.99
Carquest Professional starters are 100% new units that are built to meet or exceed original equipment (O.E.) specifications. Our new starters are engineered and built by an IATF/TS 16949 certified supplier that meets the highest standards achievable. Carquest Professional starters are re-engineered to include improvements and enhancements (where applicable) to the OE design to extend longevity and service life. Our new starters are built with all new components and are 100% triple-tested to ensure high quality that is backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
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Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
- All new components are utilized to ensure long service life
- Internal electronics are upgraded for heavy duty reliability (where applicable)
- Armatures and commutators are 100% load tested
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.6489SV)
from
$141.99
Carquest Standard starters are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard starters are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
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Product Features:
- Designed to meet OE specifications for fit, form and function
- Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
- Designed to meet OE specifications for fit, form and function
- Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
Carquest Standard – Starter: Remanufactured, 1 Year Limited Warranty (Part No.6490SV)
from
$159.99
Carquest Standard starters are designed and built to meet original equipment (O.E.) specifications, while providing great value. Our starters are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. All of our Carquest Standard starters are inspected and 100% tested to ensure they are built to meet OEM fit, form and function. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
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Product Features:
- Designed to meet OE specifications for fit, form and function
- Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
- Designed to meet OE specifications for fit, form and function
- Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
GM Genuine Parts – Starter: Remanufactured (Part No.323-1644)
from
$384.99
Product Features:
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- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
- Tested to ensure they perform to GM specifications
- Designed with a 9-tooth configuration to deliver precise and consistent engagement for reliable vehicle starting.
- Operates at 12 VDC, ensuring compatibility and optimal performance within a wide range of GM vehicles.
ACDelco – Starter: Remanufactured (Part No.336-1929A)
from
$222.99
Product Features:
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- Remanufactured using consistent quality processes; not just rebuilt
- Starters have new bronze sintered and oil-impregnated armature bushings
- Solenoid contacts are new with copper terminals and plated hardware
- Performance-tested and inspected to ensure they meet your expectations for quality design and component specifications
- Designed to meet the fit, form, and function requirements for a wide range of General Motors vehicles and other makes and models, including special applications.
GM Genuine Parts – Starter: Remanufactured (Part No.323-1468)
from
$471.99
Product Features:
See More
- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
- Tested to ensure they perform to GM specifications
- Designed and engineered to meet rigorous standards, ensuring reliable performance and durability.
Bosch – Starter: Remanufactured (Part No.SR8585X)
from
$196.99
Bosch Premium Starters are designed, built and tested to provide the ultimate in performance and reliability.
Product Features:
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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
Top Picks for 2003 Isuzu Ascender Alternator Parts
Upgrade Isuzu Ascenders with top-quality Alternator Parts parts, including 14 OEM and aftermarket selections for your 2003 model.
Carquest Premium – Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty (Part No.8292A)
from
$230.99
This remanufactured alternator delivers reliable performance with a robust 145.0-amp output and a 12.0 VDC voltage rating, ensuring your vehicle’s electrical systems operate at peak efficiency. Designed for durability and precision, it features a clockwise (right) rotation direction and belongs to the trusted Delco family, known for quality and dependability. Whether you’re powering essential components or additional accessories, this alternator is engineered to meet the demands of modern vehicles. Its remanufactured design offers a cost-effective solution without compromising on performance, making it an excellent choice for those seeking value and reliability.
Product Features:
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Product Features:
- Provides a robust 145-amp output to ensure optimal performance for your vehicle’s electrical systems.
- Engineered with a clockwise rotation direction for precise compatibility with modern vehicle designs.
- Remanufactured design offers a cost-effective solution while maintaining high-quality performance standards.
- Belongs to the trusted Delco family, renowned for reliability and durability in automotive electrical components.
- Designed to efficiently power both essential vehicle systems and additional accessories.
Carquest Premium – Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty (Part No.8290A)
from
$225.99
Carquest Premium alternators are premium constructed, original equipment (O.E.) replacement parts with industry-leading warranties. Our Carquest Premium alternators are designed to meet or exceed OE specifications for fit, form and function. Our alternators are remanufactured by an IATF/TS 16949 certified supplier that meets the highest standards achievable. We replace all wear components (brushes, bushings and bearings) with new components to ensure long-life. All critical components are electronically tested during assembly and the entire unit is 100% tested, ensuring proper performance backed by an industry-leading warranty. We also offer technical support at 1-800-228-9672 for product questions, diagnostic troubleshooting and installation assistance by ASE Certified Technicians.
Product Features:
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Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Regulators and rectifiers are 100% electronically load tested for reliable charging performance
- 100% new OE-quality brushes and bearings are used to ensure long service life
- Rotors and stators are load tested and double insulated for maximum charging performance
- Slip rings are precision polished for maximum brush contact and service life
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
Carquest Standard – Alternator: Remanufactured, 145 Amps, 1 Year Limited Warranty (Part No.8464AV)
from
$169.99
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:
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Product Features:
- Designed to meet OE specifications for fit, form and function
- Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
Carquest Standard – Alternator: Remanufactured, 150 Amps, 1 Year Limited Warranty (Part No.8290AV)
from
$180.99
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:
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Product Features:
- Designed to meet OE specifications for fit, form and function
- Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
Carquest Professional – Alternator: New, 145 Amps, Limited Lifetime Warranty (Part No.8292AN)
from
$292.99
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:
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Product Features:
- Designed to meet or exceed OE specifications for fit, form and function
- Manufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
- All new components are utilized to ensure long service life
- Housings are 100% new with dimensions computer gauged and measured to ensure proper fitment
- Internal electronics are upgraded for heavy duty reliability (where applicable)
- Regulators and rectifiers are 100% electronically load tested for reliable charging performance
- Application-specific technical bulletins included where applicable
- All units are 100% triple tested to ensure quality and performance
- Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
- Rotors and stators are load tested and double insulated for maximum charging performance
Carquest Professional – Alternator: New, 150 Amps, Limited Lifetime Warranty (Part No.8290AN)
from
$290.99
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:
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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
ACDelco – Alternator: Remanufactured, 145 Amps (Part No.334-2529A)
from
$197.99
ACDelco Gold (Professional) Remanufactured Alternators are the high quality alternative to Original Equipment (OE) parts. These alternators use high-quality bearings with high-temp lubricant and double-lipped rubber seals. Rotors and stators are electronically tested and then sealed with secondary insulating coating. Remanufacturing alternators is an industry standard practice that involves disassembly of existing units, and replacing components that are most prone to wear with new components. Damaged and obsolete parts are replaced and are end of line tested to ensure they perform to ACDelco specifications. In addition, remanufacturing returns components back into service rather than processing as scrap or simply disposing of them. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.
Product Features:
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Product Features:
- Remanufactured using consistent quality processes; not just rebuilt
- Alternators use high-quality bearings with high-temp lubricant and double-lipped rubber seals, reducing friction, vibration, and noise
- Rotors and stators are electronically tested and then sealed with secondary insulating coating to help prevent shorts
- Performance-tested and inspected to ensure they meet your expectations for quality design and component specifications
- Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
- Tested to ensure they perform to ACDelco specifications
Bosch – Alternator: Remanufactured, 145 Amps, 2 Year Limited Warranty (Part No.AL8515X)
from
$222.99
The Bosch Premium Alternator, remanufactured to deliver 145 amps of power, is engineered for peak performance and reliability. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures consistent and dependable operation. With a 12 VDC voltage rating and clockwise rotation direction, it is designed to integrate seamlessly into your vehicle’s electrical system. Built using high-quality materials and advanced technology, it offers exceptional durability to withstand demanding conditions. Unlike rebuilt units, this alternator is 100% factory tested and remanufactured for superior quality and longevity. Whether you’re upgrading or replacing, this alternator provides unmatched value and reliability for your vehicle’s electrical needs.
Product Features:
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Product Features:
- Full-load tested to guarantee compliance with Bosch’s strict performance specifications
- 100% factory tested, units are remanufactured (not rebuilt)
- Built to last – uses high quality materials and the most technologically advanced developments.
- Seamless integration into your vehicle’s electrical system with a 12 VDC voltage rating and clockwise rotation direction.
- Engineered to withstand demanding conditions, ensuring consistent and dependable operation over time.
GM Genuine Parts – Alternator: Remanufactured, 145 Amps, 2 Year Limited Warranty (Part No.321-2128)
from
$384.99
The remanufactured alternator delivers reliable performance with a robust 145-amp output and 12 VDC voltage, making it ideal for powering your vehicle’s electrical systems. Designed with a clockwise rotation direction and part of the trusted DELCO AD244 LN31 family, this alternator ensures compatibility with GM specifications. Featuring ACDelco GM Original Equipment quality, it benefits from industry-standard remanufacturing practices that restore parts to service while reducing waste. Each unit undergoes rigorous testing to guarantee dependable operation and long-lasting durability. Whether you’re replacing a worn-out alternator or upgrading your vehicle’s electrical system, this alternator offers exceptional value and performance.
Product Features:
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Product Features:
- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
- Tested to ensure they perform to GM specifications
- Designed with a robust 145-amp output, this alternator provides reliable power to support your vehicle’s electrical systems effectively.
- Features a clockwise rotation direction for seamless compatibility with GM vehicles, ensuring optimal performance and fit.
GM Genuine Parts – Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty (Part No.321-2127)
from
$501.99
The remanufactured alternator with a robust 150-amp output and 12 VDC voltage is designed to deliver reliable power for your vehicle’s electrical system. Featuring a clockwise rotation direction and part of the trusted DELCO AD244 LN31 family, this alternator ensures compatibility and optimal performance. As an ACDelco GM Original Equipment part, it meets stringent GM specifications, offering the quality and dependability you expect. The remanufacturing process adheres to industry standards, reducing waste while restoring the alternator to peak functionality. Tested rigorously to guarantee consistent performance, this alternator is a durable and eco-friendly solution for maintaining your vehicle’s electrical needs.
Product Features:
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Product Features:
- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- Remanufacturing is an industry standard practice that returns parts into service rather than scrapping them
- Tested to ensure they perform to GM specifications
- Designed with a robust 150-amp output to provide reliable power for demanding vehicle electrical systems.
- Eco-friendly remanufacturing process reduces waste while restoring the alternator to peak functionality.
Powermaster Performance – Alternator: AD244 Style, 215 Amps, Natural Finish, With 4 Pin VR (Part No.48237)
from
$459.99
The Powermaster Alternator delivers exceptional performance and reliability, making it an ideal choice for street applications, including muscle cars, classics, street rods, and daily drivers. Engineered with an Ad244 style design, this alternator boasts superior output at idle, delivering an impressive 140 amperes for consistent power. Its heavy-duty regulator and rectifier, combined with high-temperature windings, ensure long-lasting durability and efficiency. Dual internal fans provide excellent cooling, while the late-model compatibility with remote voltage control adds modern convenience. Featuring a “Proof of Performance” tag, this alternator guarantees top-tier functionality and reliability. Whether you’re upgrading or replacing, this alternator is built to meet the demands of high-performance vehicles.
Product Features:
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Product Features:
- Ad244 Style
- Superior Output At Idle, A Whopping 140 Ampere
- Heavy Duty Regulator And Rectifier
- High Temperature Windings
- Dual Internal Fans For High Efficiency And Excellent Cooling
- Late Model Compatibility With Remote Voltage Control
- Proof Of Performance Tag
Carquest HD Electrical – Alternator: New, 253 Amps, With Pulley (Part No.71-8292N-253A)
from
$326.99
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:
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Product Features:
- Contains Innovative Brush-less and Premium Brush Components that have been tested and certified for highest possible power output
- Stator – wound to OE specifications. Heavy coated Polyester wire provides consistent conductivity
- Premium Transpo rectifiers use 13mm press fit Diodes for maximum performance
- Rotor shafts CNC machined & precision balanced to eliminate vibration
- Over-Voltage shutdown limits voltage if output terminal is disconnected form the battery
- Load dump protection ensures transient voltage spikes do not damage transistor
- Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
Carquest HD Electrical – Alternator: New, 145 Amps, With Pulley (Part No.71-8292N)
from
$245.99
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:
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Product Features:
- Contains Innovative Brush-less and Premium Brush Components that have been tested and certified for highest possible power output
- Stator – wound to OE specifications. Heavy coated Polyester wire provides consistent conductivity
- Premium Transpo rectifiers use 13mm press fit Diodes for maximum performance
- Rotor shafts CNC machined & precision balanced to eliminate vibration
- Over-Voltage shutdown limits voltage if output terminal is disconnected form the battery
- Load dump protection ensures transient voltage spikes do not damage transistor
- Improved power transmission with lower engine speed keeps accessories and powered implements running at maximum output without additional load to the engine.
Bosch – Alternator: Remanufactured, 150 Amps, 2 Year Limited Warranty (Part No.AL8805X)
from
$236.99
The Bosch Premium Alternator delivers exceptional performance and reliability, making it a top choice for demanding automotive applications. Full-load tested to meet Bosch’s rigorous performance standards, this alternator ensures consistent power delivery with its 150-amp rating and 12 VDC output. Remanufactured to factory specifications using high-quality materials and advanced technology, it offers durability and long-lasting functionality. Unlike rebuilt units, Bosch’s remanufactured alternators undergo 100% factory testing to guarantee optimal operation. Designed for clockwise rotation, this alternator is built to handle the toughest conditions while maintaining peak efficiency. Whether you’re upgrading or replacing, this alternator provides unmatched value and dependable performance for your vehicle.
Product Features:
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Product Features:
- Full-load tested to guarantee compliance with Bosch’s strict performance specifications
- 100% factory tested, units are remanufactured (not rebuilt)
- Built to last – uses high quality materials and the most technologically advanced developments.
- Clockwise rotation design enhances compatibility and efficiency for seamless integration into your vehicle.
Top-Rated Alternators and Starters Brands For Your 2003 Isuzu Ascender
Shop for the best-rated brands offering Alternators and Starters and other products for your 2003 Isuzu Ascenders. Below you’ll find some of our best rated Alternators and Starters from Carquest Professional, Carquest Premium, and Carquest, and more. Alternators and Starters from these brands that fit a 2003 Ascender start at just $169.99 and are rated as high as 4.5 stars. OEM and aftermarket Alternators and Starters don’t get more top quality, durable, and affordable than from the brands below.
Popular Carquest Professional 2003 Isuzu Ascender Alternators and Starters
When it comes to maintaining or upgrading your 2003 Isuzu Ascender, using quality Alternators and Starters is essential to ensure durability and a perfect fit. Carquest Professional ticks all of those boxes. We offer a wide selection of Carquest Professional Alternators and Starters, specifically designed for the 2003 Isuzu Ascender. With over 1 Carquest Professional brand Alternators and Starters in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $188.99. Plus, with over 45 customer reviews and an average rating of 4.5 stars, you can trust that our Carquest Professional Alternators and Starters will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$188.99
(45)
Starter: New, Limited Lifetime Warranty
“Very difficult to remove and replace, wear gloves,I still have scabs on hands and arms.”
Popular Carquest Premium 2003 Isuzu Ascender Alternators and Starters
Carquest Premium auto parts is one of the highest quality Alternators and Starter brands in the market. Any 2003 Isuzu Ascender owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2003 Ascender, Advance Auto Parts carries a full inventory of 3 Carquest Premium Alternators and Starters. Plus you will be keeping your Isuzu in peak condition while saving money because prices on these Carquest Premium Alternators and Starters range from $176.99 to $230.99, plus, with more than 206 customer reviews and an impressive 4.4 stars average rating, you can be confident the Fram Alternators and Starters below will deliver on both quality and value.
from
$225.99
(2)
Alternator: Remanufactured, 150 Amps, Limited Lifetime Warranty
“Came with everything”
from
$230.99
(105)
Alternator: Remanufactured, 145 Amps, Limited Lifetime Warranty
“Worked perfectly”
FAQs for 2003 Isuzu Ascender Alternators and Starters
Which Alternators and Starters are best-sellers for 2003 Isuzu Ascenders?
Out of 24 Alternators and Starters that fit 2003 Isuzu Ascenders, the following parts are the top sellers:
- Alternator: Remanufactured, 150 Amps, 1 Year Limited Warranty (10008874) – $180.99
- Alternator: Remanufactured, 145 Amps, 1 Year Limited Warranty (10008869) – $169.99
- Alternator: New, 145 Amps, Limited Lifetime Warranty (10017989) – $292.99
What’s the price range for 2003 Isuzu Ascender Alternators and Starters?
Alternators and Starter prices for the 2003 Isuzu Ascender start at $58.99 and go up to $501.99 for the most premium parts.
What’s the average price of a Alternators and Starter for a 2003 Isuzu Ascender?
The average price for Alternators and Starters for the 2003 Isuzu Ascender is $258.18. Keep in mind the variety of part types within our Alternators and Starter category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Alternators and Starters for other Isuzu Ascender model years?
What are the cheapest Alternators and Starters for my 2003 Isuzu Ascender?
The cheapest 2003 Isuzu Ascender Alternators and Starters we carry in stock are:
- Ignition Lock Cylinder (12526006) – $58.99
- Starter: Remanufactured, 1 Year Limited Warranty (12516788) – $141.99
- Starter: Remanufactured, 1 Year Limited Warranty (12516779) – $159.99
- Alternator: Remanufactured, 145 Amps, 1 Year Limited Warranty (10008869) – $169.99
- Starter: Remanufactured, Limited Lifetime Warranty (19220281) – $176.99
What are the top-rated Alternators and Starters that fit the 2003 Isuzu Ascender?
Out of 996 reviews by customers, our 2003 Isuzu Ascender Alternators and Starters have an average customer rating of . These are some of the highest-rated Alternators and Starter types for the 2003 Isuzu Ascender and their top-rated products:
- Starter Parts
- Starter: Remanufactured, Limited Lifetime Warranty (15220146) – $219.99
- Starter: Remanufactured, Limited Lifetime Warranty (19220281) – $176.99
- Starter: New, Limited Lifetime Warranty (15020022) – $188.99
- Alternator Parts
- Starter: Remanufactured, Limited Lifetime Warranty (15220146) – $219.99
- Starter: Remanufactured, Limited Lifetime Warranty (19220281) – $176.99
- Starter: New, Limited Lifetime Warranty (15020022) – $188.99
What types of Alternators and Starters do you sell for my 2003 Isuzu Ascender?
As of 11/2/25, these are some of the most in-demand types of Alternators and Starters for a 2003 Isuzu Ascender:
Can I get help with 2003 Isuzu Ascender Alternators and Starter orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Isuzu Alternators and Starters and more.
What is your return policy for Isuzu Ascender Alternators and Starters?
Advance Auto Parts keeps returns simple. For new Isuzu Ascender Alternators and Starters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
