2003 BMW Z4 Alternators and Starters

Essential 2003 BMW Z4 Alternators and Starters

National – Bearings (Part No.106-CC)

Bearings

from

$41.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Controlled heat treating process for lasting performance and extended bearing life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Bosch – Alternator: Remanufactured, 120 Amps (Part No.AL0816X)

Alternator: Remanufactured, 120 Amps

from

$266.99
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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Carquest Premium – Alternator: Remanufactured, 120 Amps (Part No.13986A)

Alternator: Remanufactured, 120 Amps

from

$272.99
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.
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Bosch – Alternator: Remanufactured, 180 Amps (Part No.AL0842X)

Alternator: Remanufactured, 180 Amps

from

$501.99
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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DENSO – Alternator (Part No.F4000657307ND)

Alternator

from

$515.34
Denso manufactures a 100% New Alternator that is a direct fit OEM quality replacement. In 2000, DENSO introduced the world’s first SC (Segment Conductor) alternator using a rectangular conductor for its stator coil. By raising the winding density (space factor) from 45 percent to 70 percent, DENSO made the SC alternator 20 percent lighter and increased the output 50 percent higher than a conventional type. Benefits and Features:

Product Features:
  • OEM-Quality Direct Fit Application
  • Maximum output and performance
  • 100% new quality components
  • Fully tested to meet OE specifications
  • Provides exceptional reliability
  • High output, high efficiency and light weight
  • Low magnetic noise
  • Small and multi-functional regulator
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Bosch – Alternator: New, 120 Amps (Part No.AL0816N)

Alternator: New, 120 Amps

from

$326.99
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:
  • 100% new components withstand the harshest environments for the best performance and longest life
  • Built specifically to withstand excessive heat and high electrical demands.
  • All mounting points 100% gauged and resized or rethreaded for proper fit
  • Free 24-hour Roadside Assistance Protection with purchase of any Bosch Alternator
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Bosch – Professional Preferred Alternator, Remanufactured (Part No.F4000319904BOS)

Professional Preferred Alternator, Remanufactured

from

$543.77
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
  • Voltage regulator 100% tested for OE voltage specifications (new on GM and Ford)
  • Rectifier 100 % tested (new on Ford)
  • Diodes 100% tested (replaced with new as required)
  • Rotor 100% performance-tested for maximum electrical output
  • 100% new long life sealed bearings with special high load, high temperature grease
  • Stator 100% insulation and phase balance tested
  • Slip rings 100% new or remachined to +/- .05mm, the tightest tolerance in the industry
  • 100% new long life self-lubricating brushes
  • 100% new clutch pulleys
  • All terminals, insulators and hardware provided
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Carquest Premium – Alternator: Remanufactured, 210 Amps (Part No.42014A)

Alternator: Remanufactured, 210 Amps

from

$467.99
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.
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Carquest Premium – Alternator: Remanufactured, 150 Amps (Part No.11312A)

Alternator: Remanufactured, 150 Amps

from

$377.99
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.
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Bosch – Alternator: Remanufactured, 210 Amps (Part No.AL9449X)

Alternator: Remanufactured, 210 Amps

from

$438.99
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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Carquest Premium – Voltage Regulator (Part No.RAA1169)

Voltage Regulator

from

$211.99
CARQUEST premium engine management products provide the right automatic transmission speed sensor for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions. Designed to meet OE quali

Product Features:
  • Lifecycle tested to meet or exceed OE specifications
  • Direct OE replacement
  • High strength thermoplastic is resistant to shock, temperature and chemicals. Also protects internal components from moisture and contaminants.
  • Global coverage for import and/or domestic applications.
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Bosch – Reman Starter (Part No.SR0860X)

Reman Starter

from

$506.99
Reman Starter

Bosch – Starter (Part No.F50001332454BOS)

Starter

from

$282.49
Starter

Carquest Premium – Starter Remanufactured Premium (Part No.19824S)

Starter Remanufactured Premium

from

$315.99
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 Premium – Starter Remanufactured Premium (Part No.17702AS)

Starter Remanufactured Premium

from

$168.99
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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • 100% remanufactured drive clutch assembly ensures lasting performance
  • Armatures and commutators are 100% load tested
  • New motor lead terminals and solenoid contacts are used to ensure maximum connectivity
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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Bosch – Reman Starter (Part No.SR9520X)

Reman Starter

from

$188.99
Reman Starter

Bosch – Premium 100% Remanufactured Starter (Part No.SR0448X)

Premium 100% Remanufactured Starter

from

$213.99
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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Bosch – Premium 100% New Starter (Part No.SR0448N)

Premium 100% New Starter

from

$248.99
Bosch Premium Starters are designed, built and tested to provide the ultimate in performance and reliability

Product Features:
  • Premium 100% new Starter
  • 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 Premium – Starter Remanufactured Premium (Part No.19211S)

Starter Remanufactured Premium

from

$91.99
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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • 100% remanufactured drive clutch assembly ensures lasting performance
  • Armatures and commutators are 100% load tested
  • New motor lead terminals and solenoid contacts are used to ensure maximum connectivity
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
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Carquest Premium – Starter Remanufactured Premium (Part No.17922S)

Starter Remanufactured Premium

from

$174.99
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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Bosch – Reman Starter (Part No.SR9522X)

Reman Starter

from

$459.99
Reman Starter

Carquest Premium – Starter Remanufactured Premium (Part No.52024S)

Starter Remanufactured Premium

from

$177.99
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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WAI – Starter – 100% NEW (Part No.17922N)

Starter - 100% NEW

from

$161.99
WAI is a leading parts manufacturer for the aftermarket. You’ll find superior quality and performance on all WAI 100% new alternators and starters as well as generators, motors, voltage regulators, rectifiers and other components for the Rotating Electri

Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strenght 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.
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WAI – Starter – 100% NEW (Part No.17702N)

Starter - 100% NEW

from

$137.99
WAI is a leading parts manufacturer for the aftermarket. You’ll find superior quality and performance on all WAI 100% new alternators and starters as well as generators, motors, voltage regulators, rectifiers and other components for the Rotating Electri

Product Features:
  • Engineered to meet or exceed OEM specifications for a perfect fit and hassle-free installation.
  • Premium grade solenoids contains materials specifically selected for best conductivity. High temperature cap ensures that the solenoid works flawlessly in high heat environments. High dielectric strenght 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.
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Carquest Premium – Starter Remanufactured Premium (Part No.52025S)

Starter Remanufactured Premium

from

$351.99
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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • 100% remanufactured drive clutch assembly ensures lasting performance
  • Armatures and commutators are 100% load tested
  • New motor lead terminals and solenoid contacts are used to ensure maximum connectivity
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
  • This part number is upgraded with a durable sealant to help prevent contamination from engine leaks
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Carquest Premium – Starter Remanufactured Premium (Part No.17702S)

Starter Remanufactured Premium

from

$124.99
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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Remanufactured by an IATF/TS 16949 supplier that meets or exceeds the highest standards in the industry
  • 100% remanufactured drive clutch assembly ensures lasting performance
  • Armatures and commutators are 100% load tested
  • New motor lead terminals and solenoid contacts are used to ensure maximum connectivity
  • Application-specific technical bulletins included where applicable
  • All units are 100% triple tested to ensure quality and performance
  • Technical support team staffed with ASE Certified Technicians: 1-800-228-9672
See More

Bosch – Professional Preferred Starter, Remanufactured (Part No.F5000848023BOS)

Professional Preferred Starter, Remanufactured

from

$510.67
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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Carquest Premium – Starter Remanufactured Premium (Part No.19925S)

Starter Remanufactured Premium

from

$341.99
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.
See More

2003 BMW Z4 Alternators and Starters

You count on your 2003 BMW Z4 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 11 Alternators and Starters ranging in price from $41.49 to $442.99, you’re sure to find everything you need for your 2003 BMW Z4.

Brands matter. If you want to shop a specific Alternators and Starters brand, we stock 4 different brands like Carquest Premium, National, and WAI. 2003 BMW Z4 Alternators and Starters start as low as $41.49!

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 24 extensive product reviews on 2003 BMW Z4 Alternators and Starters.

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 BMW Z4 below to get started!

Top-Rated Alternators and Starters Brands For Your 2003 BMW Z4

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 BMW Z4 running right for years to come. In our inventory you’ll find brands like Carquest Premium, National, WAI, and even more.

Popular Bosch Alternators and Starters

You’ll find popular Bosch brand products across Starter Parts. All are waiting to get your 2003 BMW Z4 back on the road. Some of the top-rated Bosch products in these categories are:
Premium 100% New Starter
from $248.99
(2)
Premium 100% New Starter
Starters
Premium 100% Remanufactured Starter
from $213.99
(1)
Premium 100% Remanufactured Starter
Starters

Top-Rated Alternators and Starters


If are what you’re looking for, our inventory holds plenty. We stock brand Alternators and Starters for your 2003 BMW Z4, and some of our most reviewed parts include:
Starter Remanufactured Premium
from $124.99
(9)
Starter Remanufactured Premium
Starters

FAQs for 2003 BMW Z4 Alternators and Starters

What are the most purchased Alternators and Starters for the 2003 BMW Z4?

Out of 11 Alternators and Starters for the 2003 BMW Z4, the most popular in our inventory are:
Alternator: Remanufactured, 120 Amps
from $272.99
This product is not rated
Alternator: Remanufactured, 120 Amps
Alternators
Bearings
from $41.49
This product is not rated
Bearings
Starter Bushings
Starter - 100% NEW
from $137.99
This product is not rated
Starter – 100% NEW
Starters