2003 Chevrolet Trailblazer Ext Alternators and Starters

Essential 2003 Chevrolet Trailblazer Ext Alternators and Starters

Bosch – Alternator: Remanufactured, 145 Amps (Part No.AL8515X)

Alternator: Remanufactured, 145 Amps

from

$222.99
Bosch has been a major supplier of new alternators to Original Equipment vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators. Bosch Premium Alternators are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions.

Product Features:
  • 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.
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Bosch – Alternator: Remanufactured, 145 Amps (Part No.AL8855X)

Alternator: Remanufactured, 145 Amps

from

$251.99
Bosch has been a major supplier of new alternators to Original Equipment vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators. Bosch Premium Alternators are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions.

Product Features:
  • 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.
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Bosch – Alternator: Remanufactured, 150 Amps (Part No.AL8805X)

Alternator: Remanufactured, 150 Amps

from

$236.99
Bosch has been a major supplier of new alternators to Original Equipment vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators. Bosch Premium Alternators are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions.

Product Features:
  • 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.
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Bosch – Alternator (Part No.F40001332255BOS)

Alternator

from

$228.71
Alternator

Carquest Premium – Alternator Remanufactured Premium (Part No.8290A)

Alternator Remanufactured Premium

from

$216.99
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 alterna

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, 145 Amps (Part No.8292A)

Alternator: Remanufactured, 145 Amps

from

$211.99
Carquest Premium Alternators and all components are thoroughly inspected and tested to meet or exceed manufacturer specifications. Every remanufactured unit is 100% performance tested from components through final assembly, to ensure dependable service and reliable performance. Remanufactured (not rebuilt) to meet or exceed OE quality in fit, form, and function.

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
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GM Genuine Parts – Alternator: New, 145 Amps (Part No.22781131)

Alternator: New, 145 Amps

from

$413.99
GM Genuine Parts Alternators are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These alternators provide power to the vehicle’s electrical systems and charge the battery while the engine is running. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Newly manufactured as an exact replacement for your GM vehicle’s original alternator
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Carquest Professional – Starter-New (Part No.6489SN)

Starter-New

from

$183.99
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:
  • 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: 1-800-228-10528
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Bosch – Professional Preferred Starter, Remanufactured (Part No.F5000403120BOS)

Professional Preferred Starter, Remanufactured

from

$234.13
Bosch has been a major supplier of new alternators and starters to OE vehicle manufacturers since 1913. Securing OE certification requires strict adherence to stringent precision and performance criteria. These same exacting criteria are also applied in the manufacturing of all Bosch aftermarket alternators and starters. Whether 100% remanufactured or new, Bosch Premium Alternators and Starters are quality built and 100% factory tested to ensure years of reliable performance, even under the most extreme operating conditions. That’s why they are preferred by more professional installers.

Product Features:
  • Built to last using the highest quality materials and the most technologically advanced manufacturing processes
  • Remanufactured using more new parts than any other unit
  • 100% exhaustive multipoint quality and performance testing throughout the remanufacturing process ensures optimum starting and charging performance under all operating conditions
  • Every unit is full-load tested to guarantee compliance with Bosch strict performance specifications
  • Solenoid with 100% new terminal hardware, contact face and high temperature cap, are completely disassembled and computer performance tested for pull/hold strength
  • 100% new long life self-lubricating brushes
  • Gear train all new bushings
  • Drive with 100% new bushings, springs, rollers, washers caps and high temperature lubrication
  • Gear train lubricated with OE-specified grease providing protection from – 4 0 ?F to +3 02 ?F
  • Commutator remachined to Bosch tight tolerances
  • Permanent magnets/field coils tested for field strength and shorts (replaced with new as required)
  • Armature continuity tested, gauged, straightened and shimmed
  • All electrical connections resoldered
  • All shaft splines and load bearing surfaces lubricated with OE high temperature grade
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GM Genuine Parts – Starter (Part No.323-1644)

Starter

from

$386.99
GM Genuine Parts Remanufactured Starter Motors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Remanufacturing starter motors 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 GM specifications. In addition, remanufacturing returns components back into service rather than processing as scrap or simply disposing of them. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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
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Bosch – Premium 100% Remanufactured Starter (Part No.SR8626X)

Premium 100% Remanufactured Starter

from

$339.99
Bosch Premium Starters are designed, built and tested to provide the ultimate in performance and reliability

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
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Carquest Professional – Starter-New (Part No.6782SN)

Starter-New

from

$179.99
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:
  • 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: 1-800-228-10562
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Carquest Professional – Starter-New (Part No.6494SN)

Starter-New

from

$206.99
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:
  • 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: 1-800-228-10533
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Bosch – Reman Starter (Part No.SR8678X)

Reman Starter

from

$194.99
Reman Starter

Dorman – Alternator Pigtail (Part No.645-569)

Alternator Pigtail

from

$42.99
This alternator connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this alternator connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Alternator Connector (Part No.PTA1117)

Alternator Connector

from

$37.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Ignition Lock Cylinder (Part No.CSC1473)

Ignition Lock Cylinder

from

$53.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

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.
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Carquest – Ignition Lock Cylinder (Part No.CS811L)

Ignition Lock Cylinder

from

$54.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • Professional quality construction using solid brass tumblers, chrome plated brass keys, die-cast zinc lock cores and multiple, randomly assigned key codes ensures superior operation
  • Decades of industry leading research and development focused on meeting the technician’s needs
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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Dorman – Ignition Lock Cylinder Housing With Passlock Sensor (Part No.924-713)

Ignition Lock Cylinder Housing With Passlock Sensor

from

$135.99
Steering column jammed or ignition switch not working? This ignition lock housing is a direct replacement for an inoperable original equipment lock housing to help restore ignition lock functions.

Product Features:
  • Direct replacement – this ignition lock housing matches the fit and function of the original equipment lock housing
  • Durable materials – this lock housing is made from quality materials for reliable service
  • Easy to install – no special tools required to install this lock housing
  • Quality tested – this part has undergone vehicle try-on and material testing
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Carquest Premium – Ignition Lock Housing (Part No.CSC1564)

Ignition Lock Housing

from

$142.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Dorman – Ignition Lock Cylinder: Two Keys Included (Part No.926-059)

Ignition Lock Cylinder: Two Keys Included

from

$61.99
This ignition lock cylinder is designed to match the fit, function and performance of the original equipment part on specified vehicles. It is engineered to help restore ignition lock function when an original cylinder is broken or worn out.

Product Features:
  • Direct replacement – this ignition lock cylinder matches the fit and function of the original equipment assembly on certain vehicle years, makes and models
  • Ideal solution – engineered to help restore and ensure the functionality of the lock cylinder
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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2003 Chevrolet Trailblazer Ext Alternators and Starters

You count on your 2003 Chevrolet Trailblazer Ext to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Alternators and Starters. With 32 Alternators and Starters ranging in price from $37.99 to $506.99, you’re sure to find everything you need for your 2003 Chevrolet Trailblazer Ext.

Brands matter. If you want to shop a specific Alternators and Starters brand, we stock 7 different brands like Carquest Premium, Carquest, and Carquest Professional. 2003 Chevrolet Trailblazer Ext Alternators and Starters start as low as $37.99!

One of the best ways to find top quality OEM or aftermarket Alternators and Starters is by asking professionals. Short of that, you can shop with confidence thanks to our 1,440 extensive product reviews on 2003 Chevrolet Trailblazer Ext Alternators and Starters. Some of the top-rated Alternators and Starters products we carry are Starter-New with 4.2 stars and Starter Remanufactured Premium with 4.4 stars.

Did we mention you can order your Alternators and Starters from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Alternators and Starters inventory for your 2003 Chevrolet Trailblazer Ext below to get started!

Top-Rated Alternators and Starters Brands For Your 2003 Chevrolet Trailblazer Ext

Trusted Alternators and Starters OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Chevrolet Trailblazer Ext running right for years to come. In our inventory you’ll find brands like Carquest Premium, Carquest, Carquest Professional, and even more.

Popular Dorman Alternators and Starters

You’ll find popular Dorman brand products across Ignition Lock Parts and Alternator Parts. All are waiting to get your 2003 Chevrolet Trailblazer Ext back on the road. Some of the top-rated Dorman products in these categories are:
Ignition Lock Cylinder Housing With Passlock Sensor
from $135.99
(2)
Ignition Lock Cylinder Housing With Passlock Sensor
Ignition Lock Cylinders
Alternator Pigtail
from $42.99
(1)
Alternator Pigtail
Alternator Pigtails

FAQs for 2003 Chevrolet Trailblazer Ext Alternators and Starters

What are the most purchased Alternators and Starters for the 2003 Chevrolet Trailblazer Ext?

Out of 32 Alternators and Starters for the 2003 Chevrolet Trailblazer Ext, the most popular in our inventory are:
Alternator: Remanufactured, 150 Amps
from $167.99
This product is not rated
Alternator: Remanufactured, 150 Amps
Alternators
Alternator: Remanufactured, 145 Amps
from $159.99
(48)
Alternator: Remanufactured, 145 Amps
Alternators
Starter-New
from $206.99
This product is not rated
Starter-New
Starters

What are the top-rated 2003 Chevrolet Trailblazer Ext Alternators and Starters?

Top-rated Alternators and Starters for your 2003 Chevrolet Trailblazer Ext based on customer reviews/ratings are:
Starter-New
from $183.99
(45)
Starter-New
“Nice exact replacement”
Starter Remanufactured Premium
from $199.99
(33)
Starter Remanufactured Premium
“Good price”
Starter-New
from $239.99
(4)
Starter-New
“Fit perfect. Install tip – do it from the top, don’t do it by taking off the wheel and going in that way. Also, install tip, attach the wires on the”