In-store Pickup
Free Shipping Over $25
Free In-store Services
2003 Buick Regal Car Parts & Accessories
You have come to the right place if you need new or replacement parts for your 2003 Regal. Advance Auto carries over 1,919 aftermarket parts for your 2003 Buick Regal, along with original equipment manufacturer (OEM) parts. We’ve got amazing prices on 2003 Regal Tools, Fluids & Garage and Air, Fuel, Emission & Exhaust parts. Plus, our selection of 2003 Electronics & Navigation parts for your Regal are some of the lowest in the market.
Find replacement parts and upgrades for your 2003 Buick Regal. Use our customer reviews of Cooling & Heating parts and others, along with user ratings on the many of the products we offer.
You won’t find an easier way to shop for 2003 Buick Regal performance parts, 2003 Buick Regal body parts, interior components, or any type of part for that matter. Get your Regal upgraded or back in pristine shape by shopping Advance Auto Parts.
2003 Buick Regal Auto Parts and Accessories
2003 Regal Electronics & Navigation Parts
Below you can find the top 2003 Buick Regal aftermarket accessories. Want to see the complete catalog of Electronics & Navigation parts? Click on View All to view each individual Buick 2003 Regal part.
-
Dorman - Help - Lighter Socket And Removal Tool (Part No. 56457)
DescriptionOur Cigarette Lighters are made to blend in with the design of your interior. Different styles are available, including the pop-out type with a short or long knob for dashboard and panel applications.
Product Features:- A variety of Cigarette Lighters available for a wide range of applications
- Installation wire helps properly ground the connection (where applicable)
- Also available in chrome
- Easy to install
Read 3 review(s)Review snapshot ® by PowerReviews
-
Not universal
Not universal
Submitted 2019-10-30
By Maylon
From Undisclosed
Not universal
Bottom Line NULL
-
I would buy it again if I needed it.
I would buy it again if I needed it.
Submitted 2019-06-19
By Colby
From Undisclosed
This was a regular replacement of factory 100% easy to do.
Bottom Line NULL
-
didn't work for 04 envoy
didn't work for 04 envoy
Submitted 2018-07-08
By VB
From Dandridge, TN
In an 2004 Envoy, you should just use a screw driver. Had to end up taking the dash apart anyway to get the lighter out of dash. GM Quality at work.
Bottom Line not recommended
from $20.99
View Product -
Metra Electronics - GM/ Suzuki DIN/ DDIN Multi-Kit 1990-12 Radio Install Kit (Part No. 99-2003)
DescriptionThis installation kit offers quick conversion from shaft to DIN mount and fits in the factory radio location. The radio installation kit allows you to replace the OEM radio with an aftermarket radio for GM 1990 to 2011 models.
Product Features:- Allows a double DIN Radio provision or 2 stacked ISO mount units provision
- Designed and manufactured with precision tolerances
- Painted to match factory dash color
- Made with high grade ABS plastic
from $19.99
View Product -
Dorman - Renew - Remanufactured Instrument Cluster (Part No. 599-327)
DescriptionEach Dorman Instrument Cluster is remanufactured and individually programmed based on VIN and mileage information. To ensure quality and maintaining a low warranty percentage, the Dorman Instrument Cluster program is not eligible for Repair and Return (R&R). Our instrument cluster includes all new stepper motors using the latest, upgraded original design, as well as all new backlighting bulbs with holders and a longer, thicker filament unit for an extended and more reliable service. A high-quality, environmentally friendly alternative to buying new. Note: may require additional programming for functionality. Any technician with access to the appropriate OEM scan tools, OEM website, or the Dorman RAP kit (www.dormanrap.com) will be able to perform the programming procedure.
Product Features:- Must have VIN# and mileage to order from Dorman Customer Service 1-800-523-2492
- Restores gauges to proper operation and ensures accurate readings
- Unit is shipped calibrated with mileage
- Fully remanufactured and vehicle simulator- tested for quality assurance
from $352.99
View Product
2003 Regal Tools, Fluids & Garage Parts
Customers frequently purchase these best-selling 2003 Buick Regal Tools, Fluids & Garage parts.
-
Carquest Oil & Fluids - Extended Life Antifreeze/Coolant (1 Gallon) (Part No. 301)
DescriptionCarquest Extended Life Antifreeze/Coolant is a universal formula good for all makes and models of cars and light duty trucks and mixes with any color antifreeze/coolant. Meets or exceeds all ASTM and SAE performance standards. The patented formula protects against corrosion of all cooling system metals, including aluminum, while providing maximum freeze-up and boil-over protection.
Product Features:- Compatible for use in all automobiles and light-duty trucks
- Yellow color will not change the current antifreeze color when used for topping-off
- Provides 150,000 miles or 5 years of maximum protection when a complete cooling system flush and fill is performed
- Features a phosphate-free and silicate-free formula
- Meets ASTM D-3306 and ASTM D-4340
Read 3 review(s)Review snapshot ® by PowerReviews
-
Mixes with all
Mixes with all
Submitted 2021-02-12
By Thomas
From Undisclosed
Will mix with all other anti freeze
Bottom Line NULL
-
Cool
Cool
Submitted 2021-02-09
By Ronald
From Undisclosed
Awesome deal and great delivery service
Bottom Line NULL
-
Would buy again.
Would buy again.
Submitted 2021-02-04
By broderick
From Undisclosed
Good product
Bottom Line NULL
from $14.99
View Product -
Prestone - All Vehicles Full Strength Antifreeze / Coolant - Gallon (Part No. AF2000)
DescriptionPrestone All Vehicles antifreeze+coolant - Concentrate is our optimized formula for All Vehicles; makes, models, years & fluid colors. Our Patented Cor-Guard® Technology (our best coolant innovation in decades) works with all new engines, and also is backward compatible - providing instant protection in older engines. Not only does Prestone Coolant Technology manage engine temperature all year round and protects against freezing, it also uniquely protects the engine from serious damage. No matter what type of coolant is currently in your engine, a Single Top-off of Patented Cor-Guard® Technology instantly protects parts better from corrosion, buildup, pitting, scaling, rust and other damage; a complete replacement of all coolant protects to the maximum. Internal engine damage can cause parts failure, resulting in expensive auto repair shop bills and downtime inconveniences. Using Prestone Antifreeze+Coolant protects against engine issues and those inconveniences. This patented fluid is designed to last 10 years / 300,000 miles and will protect the internal parts of the engine for 10 years / 300,000 miles.
Product Features:- Formulated to work with All Vehicles. Works with all fluid colors; All OAT, POAT, HOAT & IAT.
- Longer Engine Life Guarantee - 10 Years, 300,000 mile Extended life formula
- Includes patented Prestone CorGuard technology, our best advancement in cooling system parts protection that protects against rust and corrosion of all cooling system metals, including aluminum. Protection for 300,000 miles.
- Concentrate formula. Must mix with distilled to the desired mix ratio of EG & water. Can be used for top-off, complete drain and refill or flush and refill of the cooling system.
Read 3 review(s)Review snapshot ® by PowerReviews
-
Prestone Antifreeze
Prestone Antifreeze
Submitted 2021-02-17
By Joan
From Undisclosed
My family has used Prestone Antifreeze (50/50 or concentrate) for over 50 years. Unless a vehicle specifies to use a different make antifreeze/coolant, we use Prestone. Prestone products are excellent products & do what they are meant to do.
Bottom Line NULL
-
no comment
no comment
Submitted 2021-02-05
By gerald
From Undisclosed
what's to say it's antifeeze
Bottom Line NULL
-
Great Price - Great Product
Great Price - Great Product
Submitted 2021-01-29
By John
From Undisclosed
great stuff online buying with coupon awesome
Bottom Line NULL
from $17.99
View Product -
Carquest Oil & Fluids - Extended Life 50/50 Prediluted Antifreeze/Coolant (1 Gallon) (Part No. 401)
DescriptionCarquest Extended Life 50/50 Prediluted Antifreeze/Coolant offers all of the same benefits in a convenient pre-diluted antifreeze with no need to add water. Its inhibitors provide maximum cooling system protection against damaging rust and corrosion. Additional benefits include a fluroescent color that will not change the current antifreeze color when used for topping-off, and a phosphate- and silicate-free formula. It contains an Extended Life coolant technology that is compatible for use in all automobiles and light-duty trucks - regardless of make, model, year or original antifreeze color.
Product Features:- Compatible for use in all automobiles and light-duty trucks
- Yellow color will not change the current antifreeze color when used for topping-off
- Provides 150,000 miles or 5 years of maximum protection when a complete cooling system flush and fill is performed
- Features a phosphate-free and silicate-free formula
- Meets ASTM D-3306 and ASTM D-4340
Read 3 review(s)Review snapshot ® by PowerReviews
-
Yeah
Yeah
Submitted 2021-02-16
By Lon
From Undisclosed
Nice
Bottom Line NULL
-
I would buy again
I would buy again
Submitted 2021-02-15
By Lloyd
From Undisclosed
Great coolant
Bottom Line NULL
-
Would buy
Would buy
Submitted 2021-02-12
By Joe
From Undisclosed
Used in a 1999 Jeep Cherokee XJ, seems to be the same as any other antifreeze I've used. Tests fine for the weather here in Indiana.
Bottom Line NULL
from $12.99
View Product
2003 Regal Air, Fuel, Emission & Exhaust Parts
No need for it to be difficult to find Air, Fuel, Emission & Exhaust parts for your 2003 Buick Regal. Compare prices, read reviews, and buy your Regal Air, Fuel, Emission & Exhaust parts online for delivery or in-store pick up.
-
Bosch - Oxygen Sensor (Part No. 13444)
DescriptionBosch is the world's leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.
Product Features:- Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
- Direct Fit includes OE Connector for easy installation
- Performance meets or exceeds OE specifications
- True Direct-fit OE connectors and harness
Read 3 review(s)Review snapshot ® by PowerReviews
-
passed emmissions good news
passed emmissions good news
Submitted 2020-09-12
By KEVIN
From Undisclosed
passed emmision test good news thanks
Bottom Line NULL
-
Yes
Yes
Submitted 2020-02-25
By Stephen
From Undisclosed
Perfect fit
Bottom Line NULL
-
Good product
Good product
Submitted 2019-10-25
By Adan
From Undisclosed
Perfect fit just like oem
Bottom Line NULL
from $63.99
View Product -
ACDelco - Automatic Transmission Fluid Filter Kit (Part No. TF304)
DescriptionACDelco Gold (Professional) Automatic Transmission Filters are a high quality alternative to Original Equipment (OE) parts. These filters help capture abrasive particles such as metal shavings or debris caused by the transmission operation, preventing them from entering or blocking fluid flow that may cause damage to the transmission's internal components. They deliver efficient filtration and outstanding fluid flow to and from your vehicle's transmission. 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:- Felt filter media helps deliver high-filtration efficiency and excellent fluid flow
- Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
- Premium aftermarket replacement part
- Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Read 3 review(s)Review snapshot ® by PowerReviews
-
Would by again!!
Would by again!!
Submitted 2020-12-09
By Mike
From Undisclosed
Great product!! Excellent for my vehicle!!!
Bottom Line NULL
-
A/C Delco parts for GM vehicles. Factory quality
A/C Delco parts for GM vehicles. Factory quality
Submitted 2020-12-01
By james
From Undisclosed
performed trans service at 215000 miles
Bottom Line NULL
-
I would buy this product again.
I would buy this product again.
Submitted 2020-09-24
By Richard
From Undisclosed
Easy to Install!
Bottom Line NULL
from $21.99
View Product -
Purolator ONE - Engine Oil Filter (Part No. PL10111)
DescriptionPurolatorONE oil filters keep engines operating at peak performance with up to 99% Dirt Removal Power. Available for most domestic and import applications, PurolatorONE optimizes engine life for up to 10,000 miles of advanced protection for most vehicles on the road today. Made with a high-density synthetic blend filter media and wear-resistant metal end caps, PurolatorONE maintains its integrity and filtering capabilities between oil changes. PurolatorONE is ideal for a wide range of tough driving conditions, including towing, stop and go traffic, commuting and harsh weather conditions. This filter offers advanced engine protection, especially when used with synthetic and high mileage oils.
Product Features:- Up to 10,000 miles - advanced engine protection; 99% Dirt Removal Power
- High-density synthetic blend media
- Silicone anti-drainback valve that lasts longer than traditional nitrile to protect against dry starts and oil leaks
- Long-lasting, PTFE coated gasket for easy installation and removal
- Metal end caps provide stability and integrity for greater wear resistance
Read 3 review(s)Review snapshot ® by PowerReviews
-
Will buy again
Will buy again
Submitted 2021-02-17
By Ervin
From Undisclosed
Works great on my motor
Bottom Line NULL
-
Oil filtration.
Oil filtration.
Submitted 2021-02-14
By timothy
From Undisclosed
Seems to work good so far. Did some research and it was rated better than average.
Bottom Line NULL
-
Good oil filter.
Good oil filter.
Submitted 2021-02-04
By Jonathan
From Undisclosed
Good filter for the money.
Bottom Line NULL
from $8.99
View Product
2003 Regal Cooling & Heating Parts
Customers frequently purchased the following top Cooling & Heating parts for their 2003 Regal. Click on View All to see more of the cheapest 2003 Regal aftermarket Cooling & Heating replacement parts.
-
Dorman - OE Solutions - HVAC Air Door Actuator (Part No. 604-107)
DescriptionThis HVAC heater blend door actuator is precision-engineered to match the quality and performance of the original blend door actuator on specific vehicle years, makes and models.
Product Features:- Direct replacement - this HVAC heater blend door actuator fits and functions like the original equipment part on specified vehicles
- Quality construction - durable plastic housing and motor/circuit board
- Excellent value - OE quality at a lower price
- Vehicle tested - has undergone on-vehicle testing to ensure proper fit and performance
Read 3 review(s)Review snapshot ® by PowerReviews
-
Correct part
Correct part
Submitted 2020-09-06
By JOHN
From Undisclosed
Worked great .
Bottom Line NULL
-
If it goes out
If it goes out
Submitted 2019-05-13
By geniva
From Undisclosed
Fits perfects works great
Bottom Line NULL
-
I would buy this product again
I would buy this product again
Submitted 2018-03-13
By Veronica
From undisclosed
The product was the exact item I needed and works great heat is blowing like it should.
Bottom Line NULL
from $41.49
View Product -
Imperial - Adjustable Thermostatic Fan Control (Part No. 226203)
DescriptionAdjustable Thermostatic Fan Control; Economy Model; 32-248°F. Controls the operating temperature of Imperial electric fans
Product Features:- Economy adjustable thermostatic fan control
- Economy Model; 32-248°F
- For use with Imperial electric fans
- Probe installs into radiator fins
Read 3 review(s)Review snapshot ® by PowerReviews
-
Love it.hopefully lasts
Love it.hopefully lasts
Submitted 2020-12-04
By Evren
From Fl
Its working great simple hook up and great price.a hidden treasure
Bottom Line recommended
-
Works great
Works great
Submitted 2020-08-13
By brian
From Undisclosed
The AA delivery was awesome! Ordered and at my door in 30 minutes. Craziness!
Bottom Line NULL
-
I would buy it again
I would buy it again
Submitted 2020-03-19
By james
From Undisclosed
Installed on an ATV. Works great
Bottom Line NULL
from $19.99
View Product -
Imperial - Ultra-Cool Engine Oil Cooler Kit (Part No. 240457)
Read 1 review(s)Review snapshot ® by PowerReviews
-
Highly Recommend
Highly Recommend
Submitted 2021-02-01
By Jason
From Undisclosed
Purchased for a 2005 Yukon XL Denali. Exceeded expectations for an aftermarket product
Bottom Line NULL
from $134.99
View Product -
2003 Regal Transmission & Drivetrain Parts
Advance Auto customers often purchase these Transmission & Drivetrain parts for their 2003 Buick Regal. To see more, click View All below.
-
Valvoline MaxLife - Multi-Vehicle Automatic Transmission Fluid, 1 Quart (Part No. VV324)
DescriptionValvoline MaxLife Multi-Vehicle ATF is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life. Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi. Recommended for use in the following applications: GM DEXRON-II, DEXRON-IIIm DEXRON-VI, Ford MERCON LV, Toyota/Lexus Type T, T-II, T-IV, WS, Honda/Acura, ATF-Z1, Nissan/Infiniti Matic-D, Matic-J, Matric-K, Matic-S, Hyundai/Kia SP-II, SP-III, SP-IV, SPH-IV, BMW 7045E, ETL 8072B, LA2634, LT71141, Allison C-4, Mercedes Benz NAG-1, Volvo 1161521, 1161540, 97340, 1273.41, and VW/Audi G-052-025-A2, G-052-162-A1. For CVT applications Valvoline recommends Valvoline Full Synthetic CVT Fluid.
Product Features:- Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
- High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
Read 3 review(s)Review snapshot ® by PowerReviews
-
Drain and fill tranny fluid
Drain and fill tranny fluid
Submitted 2021-02-10
By Philip
From Melbourne Australia
Did a drain and fill tranny fluid on Camry 96000 km with Valvoline Maxlife ATF. The old tranny fluid was black in color. Transmission was less noisy and more smooth after drain and fill.
Bottom Line recommended
-
Perfect Fit
Perfect Fit
Submitted 2021-02-01
By Corey
From Undisclosed
Perfect Fit
Bottom Line NULL
-
Good price
Good price
Submitted 2021-02-01
By Stephen
From Undisclosed
Had everything we needed to change, flag and fill rebuilt transmission.
Bottom Line NULL
from $9.99
View Product -
Carquest Premium - New CV Axle Shaft Assembly (Part No. NCV10228)
DescriptionAll CARQUEST axles have a new zinc dichromate plated nut or attaching hardware. CV joint grease has a high moly content. The boot bands are made from stainless steel, and the boots are manufactured to resist wear and damage due to extreme high and low temperatures.
Product Features:- 100% New axle
- Each part number is tested to guarantee that the axle is proper fit
- Quality engineered for superior durability
- Tested for reliable performance
- No core exchange
- High-quality neoprene boots to ensure durability and longevity
- CV joints are assembled with a specially formulated high temperature moly grease to resist friction and wear
- Splines are machined to OE specifications
- New stainless steel clamps
- All of the axles are made of strictly inspected materials to ensure long and trouble free performance and coated with a protective surface to resist rust
Read 3 review(s)Review snapshot ® by PowerReviews
-
Yes i recommend those cv axle
Yes i recommend those cv axle
Submitted 2020-01-13
By Delkoy
From Undisclosed
Stopped the popping noise and handles more precise on turns!
Bottom Line NULL
-
As expected
As expected
Submitted 2017-12-11
By alex
From undisclosed
Fit perfectly, nut requires larger socket than OE.
Bottom Line NULL
-
new cv
new cv
Submitted 2017-11-29
By travis
From undisclosed
perfect fit.
Bottom Line NULL
from $79.99
View Product -
Imperial - Mounting Kit System (Part No. 226201)
DescriptionIncludes nylon rods, foam pads and locking buttons for simple installation of Imperial electric fans and transmission oil coolers.
Product Features:- Imperial mounting kit system
- For installation of transmission coolers and electric fans
- Provides quick, effective installation of Imperial products
- Contains nylon mounting rods, foam pads and locking buttons
Read 3 review(s)Review snapshot ® by PowerReviews
-
Good part
Good part
Submitted 2020-08-16
By christopher
From Undisclosed
Work well holding fans on radiator, use pliers to pull them tight though
Bottom Line NULL
-
I recommend this product.
I recommend this product.
Submitted 2020-06-21
By Keith
From Undisclosed
I use this to attach my e-fan to my radiator. Works great.
Bottom Line NULL
-
I would buy this again
I would buy this again
Submitted 2020-05-03
By Nathan
From Undisclosed
Mounted 2 14" electric fans to my radiator . Worked great.
Bottom Line NULL
from $7.99
View Product