2003 Lexus IS300 Body Parts

Below you will find various in-demand Lexus Body Parts, components and accessories for your 2003 IS300. Advance Auto Parts has popular IS300 parts like Bodies and Fender Parts, Vehicle Mirrors, Vehicle Doors and more. You’ll also find aftermarket and OEM Body Parts for other IS300 model years including 2004, 2005, 2016, 2017, 2018, 2019, 2020, 2021, 2022 and more. Select a category of 2003 Lexus IS300 Body Parts below and start saving instantly.

Popular 2003 Lexus IS300 Body Parts Categories

Window Regulators

Fuel Door Springs

Door Lock Solenoid Connectors

Mirrors

Fender Splash Shields

Mirror Replacement Glass

Door Jamb Switches

Essential Body Parts for 2003 Lexus IS300s

from

$7.29

This fuel door spring is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this fuel door spring matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this spring 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

from

$108.99

WIN REG W/O MOTOR

from

$113.99

This replacement window regulator is precision-engineered and extensively tested to match the exact fit, function and performance of the stock window regulator on specific vehicle years, makes and models.

Product Features:

Trustworthy replacement – engineered and tested to match the fit, function and performance of the original window regulator on specified vehicles
Quality assured – extensively tested by cycling thousands of times in an actual vehicle door to ensure a long, trouble-free service life
Reliable design – engineered in the USA and backed by long history of automotive aftermarket experience
Easy installation – reverse-engineered to match the original equipment shape and dimensions to provide a direct, seamless fit

from

$138.99

AISIN Window Regulator Assemblies and Motors are mechanical and electrical components that work together to raise and lower the power windows in a vehicle. The window regulator assembly is the mechanical component that consists of gears, tracks and other parts that move the window up and down. The electric motor is the component that provides the power to move the window. Together, they form the power window system that allows the driver and passengers to easily raise and lower the windows with the push of a button.

Product Features:

100% new with many improvements from factory design.
Designed and manufactured to meet OE standards.
Strict quality control to ensure perfect fit.

from

$106.99

Trustworthy replacement – engineered and tested to match the fit, function and performance of the original window regulator on specified vehicles
Quality assured – extensively tested by cycling thousands of times in an actual vehicle door to ensure a long, trouble-free service life
Reliable design – engineered in the USA and backed by long history of automotive aftermarket experience
Easy installation – reverse-engineered to match the original equipment shape and dimensions to provide a direct, seamless fit

from

$54.99

Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

from

$29.99

New Standard Replacement Passenger Side Fender Liner/Splash Shield

Product Features:

Made Of Polypropylene
Meets All Federal Motor Safety Standards
No Drilling Needed For Installation
No Modifications Needed For Installation
Direct Fit Replacement For Your Vehicle
Same Form Fit And Function As OE
Check Out The Large Selection Of Parts Available For Your Vehicle

from

$36.99

New Standard Replacement Passenger Side Fender Liner/Splash Shield, Sedan

Product Features:

Sedan, Made Of Plastic
Meets All Federal Motor Safety Standards
No Drilling Needed For Installation
No Modifications Needed For Installation
Direct Fit Replacement For Your Vehicle
Same Form Fit And Function As OE
Check Out The Large Selection Of Parts Available For Your Vehicle

from

$17.79

Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. Vehicle switches provide versatile control for various electrical functions within the vehicle, enhancing convenience and safety by allowing drivers to easily operate features such as lights, wipers, and accessories with a simple flick or press. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:

Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.

from

$39.99

Burco Redi Cuts mirror replacements provide a solution when just the mirror glass is broken. Our mirror replacements are an economical and quality alternative to high-priced OEM mirror assemblies. Burco offers an industry leading 4,700+ Redi Cuts mirror replacements covering 10,000 vehicles and counting. b+savvy and replace that broken side mirror!

Product Features:

Made in USA
Exact Fit
Safety Smooth Edges
Replaces OE Mirror
Premium Mirror Glass
Break-Free Guarantee
Instructions Included

from

$44.99

Made in USA
Exact Fit
Safety Smooth Edges
Replaces OE Mirror
Premium Mirror Glass
Break-Free Guarantee
Instructions Included

from

$29.99

Made in USA
Exact Fit
Safety Smooth Edges
Replaces OE Mirror
Premium Mirror Glass
Break-Free Guarantee
Instructions Included

from

$39.99

Made in USA
Exact Fit
Safety Smooth Edges
Replaces OE Mirror
Premium Mirror Glass
Break-Free Guarantee
Instructions Included

from

$34.99

Made in USA
Exact Fit
Safety Smooth Edges
Replaces OE Mirror
Premium Mirror Glass
Break-Free Guarantee
Instructions Included

from

$79.99

Made in USA
Exact Fit
Safety Smooth Edges
Replaces OE Mirror
Premium Mirror Glass
Break-Free Guarantee
Instructions Included

from

$158.99

Original Equipment Manufacturer Style Replacement Side View Mirror. K Source is a unique manufacturer in that we specialize in making only automotive and motorcycle mirrors. Our experience in this category for over 71 years is exactly what our customers have come to trust and rely upon, as our manufacturing and marketing expertise has consistently led the market in replacement products.

Product Features:

Passenger side Mirror, tested to fit and function like the original, Meets or exceeds Original Equipment Manufacturer standards
Mirror glass is power adjustable and heated, with turn signal
OE-comparable wiring harness/ connection (no “pigtail” connector) for hassle-free installation
Manual folding for additional clearance
Textured Black with Paintable to match cover
for safety, mirror is equipped with puddle lamp to illuminate the ground when door is open

from

$74.99

Made in USA
Exact Fit
Safety Smooth Edges
Replaces OE Mirror
Premium Mirror Glass
Break-Free Guarantee
Instructions Included

from

$49.99

Made in USA
Exact Fit
Safety Smooth Edges
Replaces OE Mirror
Premium Mirror Glass
Break-Free Guarantee
Instructions Included

from

$39.99

Made in USA
Exact Fit
Safety Smooth Edges
Replaces OE Mirror
Premium Mirror Glass
Break-Free Guarantee
Instructions Included

from

$125.99

With a Serious and Unwavering Commitment to Providing Customers a Broad Range of High Quality Replacement Components, Equipment, and Parts to Repair and Accessorize Their Automobiles, Trucks, and Other Vehicles, We Are Offering a New Standard Replacement Passenger Side Power Door Mirror, With Heated Glass, Without Blind Spot Detection Glass, With Puddle Lamp And Turn Signal, Paint To Match. It is Designed to Replace Your Existing Door Mirror. Check to Be Sure it Fits Your Vehicle.

Product Features:

With Heated Glass, Turn Signal And Puddle Lamp, Without Blind Spot Detection Glass, Paint To Match
Meets All Federal Motor Safety Standards
No Drilling Needed For Installation
No Modifications Needed For Installation
Direct Fit Replacement For Your Vehicle
Same Form Fit And Function As OE
Check Out The Large Selection Of Parts Available For Your Vehicle

from

$59.99

Made in USA
Exact Fit
Safety Smooth Edges
Replaces OE Mirror
Premium Mirror Glass
Break-Free Guarantee
Instructions Included

from

$117.99

With a Serious and Unwavering Commitment to Providing Customers a Broad Range of High Quality Replacement Components, Equipment, and Parts to Repair and Accessorize Their Automobiles, Trucks, and Other Vehicles, We Are Offering a New Standard Replacement Driver Side Power Door Mirror, With Heated Glass, Without Blind Spot Detection Glass, With Puddle Lamp And Turn Signal, Paint To Match. It is Designed to Replace Your Existing Door Mirror. Check to Be Sure it Fits Your Vehicle.

Product Features:

With Heated Glass Puddle Lamp And Turn Signal, Without Blind Spot Detection Glass, Paint To Match
Meets All Federal Motor Safety Standards
No Drilling Needed For Installation
No Modifications Needed For Installation
Direct Fit Replacement For Your Vehicle
Same Form Fit And Function As OE
Check Out The Large Selection Of Parts Available For Your Vehicle

from

$64.99

Made in USA
Exact Fit
Safety Smooth Edges
Replaces OE Mirror
Premium Mirror Glass
Break-Free Guarantee
Instructions Included

from

$191.99

Driver side Mirror, tested to fit and function like the original, Meets or exceeds Original Equipment Manufacturer standards
Mirror glass is power adjustable and heated, with turn signal
OE-comparable wiring harness/ connection (no “pigtail” connector) for hassle-free installation
Manual folding for additional clearance
Textured Black with Paintable to match cover
for safety, mirror is equipped with puddle lamp to illuminate the ground when door is open

from

$34.99

Made in USA
Exact Fit
Safety Smooth Edges
Replaces OE Mirror
Premium Mirror Glass
Break-Free Guarantee
Instructions Included

Upgrade your 2003 Lexus IS300 with Top-Quality Body Parts

When it comes to maintaining or upgrading your 2003 Lexus IS300, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Lexus or enhancing its overall performance, Body Parts are key to keeping your IS300 functioning at its best. At Advance Auto Parts, we offer a wide selection of 12 Body Parts for the 2003 Lexus IS300, designed to meet your needs without breaking the bank. From Bodies and Fender Part replacements to Vehicle Mirrors 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 Body Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Body Parts for your 2003 Lexus IS300 at great prices. Our Body Parts inventory for this model ranges from just $7.29 to $138.99, with an average price of $64.13. Our 12 Body Parts in stock come from 5 trusted brands, so you’re sure to find the right part for your 2003 Lexus IS300 without overspending.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Body Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2003 Lexus IS300 is always ready to roll. We’re committed to providing you with everything you need to keep your IS300 in top shape, all in one place. Start shopping confidently below for your 2003 Lexus IS300!

Best-Selling Bodies and Fender Parts for 2003 Lexus IS300s

Enhance the driving experience in your Lexus with 1 quality Bodies and Fender Part components, starting at $36.99.

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from

$36.99

New Standard Replacement Passenger Side Fender Liner/Splash Shield, Sedan

Product Features:

Sedan, Made Of Plastic
Meets All Federal Motor Safety Standards
No Drilling Needed For Installation
No Modifications Needed For Installation
Direct Fit Replacement For Your Vehicle
Same Form Fit And Function As OE
Check Out The Large Selection Of Parts Available For Your Vehicle

Top Picks for 2003 Lexus IS300 Vehicle Doors

Upgrade Lexus IS300s with top-quality Vehicle Doors parts, including 2 OEM and aftermarket selections for your 2003 model.

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from

$54.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

from

$17.79

Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.

In-Demand Vehicle Windows for 2003 Lexus IS300s

Select from 4 premium Vehicle Windows parts for your 2003 Lexus IS300, with prices ranging from $106.99 to $138.99.

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from

$113.99

Trustworthy replacement – engineered and tested to match the fit, function and performance of the original window regulator on specified vehicles
Quality assured – extensively tested by cycling thousands of times in an actual vehicle door to ensure a long, trouble-free service life
Reliable design – engineered in the USA and backed by long history of automotive aftermarket experience
Easy installation – reverse-engineered to match the original equipment shape and dimensions to provide a direct, seamless fit

from

$106.99

Trustworthy replacement – engineered and tested to match the fit, function and performance of the original window regulator on specified vehicles
Quality assured – extensively tested by cycling thousands of times in an actual vehicle door to ensure a long, trouble-free service life
Reliable design – engineered in the USA and backed by long history of automotive aftermarket experience
Easy installation – reverse-engineered to match the original equipment shape and dimensions to provide a direct, seamless fit

from

$138.99

100% new with many improvements from factory design.
Designed and manufactured to meet OE standards.
Strict quality control to ensure perfect fit.

from

$108.99

WIN REG W/O MOTOR

Most Sold 2003 Lexus IS300 Vehicle Mirrors

Explore our best-selling Lexus parts for the 2003 IS300 among 1 OEM and aftermarket options starting from $49.99.

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from

$49.99

Made in USA
Exact Fit
Safety Smooth Edges
Replaces OE Mirror
Premium Mirror Glass
Break-Free Guarantee
Instructions Included

FAQs for 2003 Lexus IS300 Body Parts

Which Body Parts are best-sellers for 2003 Lexus IS300s?

Out of 12 Body Parts that fit 2003 Lexus IS300s, the following parts are the top sellers:

Window Regulator: Power, 1 Pack (10040555) – $106.99
Window Regulator: Power, 1 Pack (10040553) – $113.99
Fender Splash Shield (11753764) – $36.99

What’s the price range for 2003 Lexus IS300 Body Parts?

Body Part prices for the 2003 Lexus IS300 start at $7.29 and go up to $138.99 for the most premium parts.

What’s the average price of a Body Part for a 2003 Lexus IS300?

The average price for Body Parts for the 2003 Lexus IS300 is $64.13. Keep in mind the variety of part types within our Body Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Body Parts for other Lexus IS300 model years?

Yes, we currently carry Body Parts for 12 model years of Lexus IS300s between 2001 and 2024. Body Parts are bought most frequently for the following model years: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2005, and 2004.

What are the cheapest Body Parts for my 2003 Lexus IS300?

The cheapest 2003 Lexus IS300 Body Parts we carry in stock are:

Fuel Door Spring (17191141) – $7.29
Door Jamb Switch (12521902) – $17.79
Side View Replacement Mirror (12463852) – $34.99
Fender Splash Shield (11753764) – $36.99
Side View Replacement Mirror (12464063) – $39.99

What types of Body Parts do you sell for my 2003 Lexus IS300?

As of 11/2/25, these are some of the most in-demand types of Body Parts for a 2003 Lexus IS300:

Can I get help with 2003 Lexus IS300 Body Part orders?

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

What is your return policy for Lexus IS300 Body Parts?

Advance Auto Parts keeps returns simple. For new Lexus IS300 Body Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2003 Lexus IS300 Body Parts

Dorman – Help – Fuel Door Spring (Part No.47208)

AISIN – WIN REG W/O MOTOR (Part No.RPT-134)

Dorman – Window Regulator: Power, 1 Pack (Part No.749-097)

AISIN – Power Window Regulator Assembly without Motor (Part No.RPT-133)

Dorman – Window Regulator: Power, 1 Pack (Part No.749-098)

Carquest Premium – Multi-Use Connector (Part No.PTC1427)

KAI – Fender Splash Shield (Part No.LX1251102)

KAI – Fender Splash Shield (Part No.LX1251108)

Carquest Premium – Door Jamb Switch (Part No.DJA1004)

Burco – Side View Replacement Mirror (Part No.3721)

Burco – Side View Replacement Mirror (Part No.2923)

Burco – Side View Replacement Mirror (Part No.4466)

Burco – Side View Replacement Mirror (Part No.3722)

Burco – Side View Replacement Mirror (Part No.2922)

Burco – Blind Spot Mirror Replacement (Part No.5515B)

K-Source – Mirror Assembly: Passenger Side, Power Adjustment, Heated, Foldable, 1 Pk (Part No.70711T)

Burco – Blind Spot Mirror Replacement (Part No.4465B)

Burco – Side View Replacement Mirror (Part No.3723)

Burco – Side View Replacement Mirror (Part No.5517)

KAI – Mirror Assembly: Passenger Side, Power Adjust, Heated, W/ Signal, Foldable, 1 Pk (Part No.LX1321116)

Burco – Heated Side View Mirror Replacement (Part No.4466H)

KAI – Mirror Assembly: Driver Side, Power Adjust, Heated, W/ Signal, Foldable, 1 Pk (Part No.LX1320116)

Burco – Heated Side View Mirror Replacement (Part No.5517H)

K-Source – Mirror Assembly: Driver Side, Power Adjustment, Heated, Foldable, 1 Pk (Part No.70712T)

Burco – Side View Replacement Mirror (Part No.2921)

KAI – Fender Splash Shield (Part No.LX1251108)

Burco – Side View Replacement Mirror (Part No.2923)

Burco – Side View Replacement Mirror (Part No.3722)

Burco – Side View Replacement Mirror (Part No.2922)

Carquest Premium – Multi-Use Connector (Part No.PTC1427)

Carquest Premium – Door Jamb Switch (Part No.DJA1004)

Dorman – Window Regulator: Power, 1 Pack (Part No.749-097)

Dorman – Window Regulator: Power, 1 Pack (Part No.749-098)

AISIN – Power Window Regulator Assembly without Motor (Part No.RPT-133)

AISIN – WIN REG W/O MOTOR (Part No.RPT-134)

Burco – Side View Replacement Mirror (Part No.3723)