2003 GMC Sierra 1500 Trunk and Tailgate Parts

Keep Your 2003 GMC Sierra 1500 in Top Shape with Quality Trunk and Tailgate Parts

Whether you’re repairing or upgrading your Trunk and Tailgate Part, using high-quality parts is key to keeping your 2003 GMC Sierra 1500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Tailgate Hinge Kits, Tailgate Cables, and Bed and Tailgate Mats. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Trunk and Tailgate Parts from Trusted Brands

Looking for a reliable Trunk and Tailgate Part? We’ve got you covered with options from brands you know and trust like Dorman. For example, Dorman Trunk and Tailgate Parts start at just $15.29 with an average 4.2 star rating. With over 2,125 reviews and a solid 4 star average, you can shop with confidence knowing other GMC Sierra 1500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 GMC Sierra 1500 Trunk and Tailgate Part at Advance Auto Parts is around $128.06, with a range that starts at $10.99 and goes up to $657.99. With 23 options in stock from 9 trusted brands, finding the right fit is easy. Popular picks like Tailgate Light Bar, 60 in., Superbrite LED 5 Function with Brake, Westin Bed Mat, and Direct-Fit, Without Raised Edges, 78.25"L X 63.75"W, Black, Rubber start at just $79.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Trunk and Tailgate Part, don’t forget to check out other key components like Truck Beds and Vehicle Windows. At Advance Auto Parts, we’re here to help you keep your 2003 GMC Sierra 1500 in peak condition, inside and out.

Essential 2003 GMC Sierra 1500 Trunk and Tailgate Parts

Dee Zee – Chest, Single Lid, Diamond Tread, Black Gloss, 56" L X 19" W X 16" H (Part No.DZ8556B)

Chest, Single Lid, Diamond Tread, Black Gloss, 56" L X 19" W X 16" H

from

$573.99
Dee Zee Red Label Chest is the perfect solution. Constructed of heavy duty Brite-Tread aluminum it can take a serious amount of abuse. A crown style lid with a full pan double-V stiffener offers superior rigidity for whatever you decide throw at it. Lockable stainless steel paddle handles keep your items safe and secure from the types of people your mother warned you about. Dampened gas shocks and adjustable strikers keep lid operation smooth and effortless. What good is a utility chest if it turns into a kiddie pool every time it rains. that is why we fortify our Red Label Series with closed cell foam gasket to keep outside elements where they belong. Our Red Label Utility Chest is forged out of non-rusting .056 Brite-Tread aluminum using internal bends for superior strength to create a box that can withstand years of abuse.

Product Features:
  • Self Adjusting Striker Close Securely No Matter How Hard You Push The Lid Down
  • Full Pan Support Double V Stiffener Design Reinforces The Lid For Superior Rigidity
  • Dampened Gas Shocks Open At A Steady, Controlled Rate
  • Closed Cell Foam Gasket Helps Resist The Elements From Getting Inside The Box
  • Hidden Hinge Runs The Full Length Of The Box For Maximum Strength
  • Heavy duty Aluminum Built From Non Rusting Brite Tread Aluminum. 3 Piece Body Front, Back And Bottom, All One Piece With Welded Ends For Increased Body Strength
  • Adjustable Lid Strikers For Secure Closing
  • Double V-Pan Lid Stiffener Creates Strength And Rigidity
  • Front, Back And Bottom Are Bent From A Single Piece Of Aluminum
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TrailFX – Xover Deep Angle, Single Lid, Black Aluminum, 69"L X 19.25"W X 19.5"H, 12.4Cuft (Part No.111702)

Xover Deep Angle, Single Lid, Black Aluminum, 69"L X 19.25"W X 19.5"H, 12.4Cuft

from

$657.99
TrailFX aluminum tool boxes offer the widest selection of sizes and styles in the industry. These superior quality boxes are packed with features, yet affordably priced to fit your budget.

Product Features:
  • Strong And Durable
  • Up To 10.5 Cubic Foot Of Storage
  • Lid Has Two Layers Of Aluminum And A Higher Density Foam Fill Than Any Of The Competitive Boxes On The Market
  • Latching System Features A High-Quality Stainless Steel Latch For Lasting Durability And Convenience
  • Patented Up-And-Over Rod Does Not Encumber The Working Space Of The Box And Keeps The Rod Out Of Harms Way, Prolonging The Life Of The Latching System
  • Double-Bitted Steel Keys Make Locking And Unlocking The Box Easy, Even In The Harshest Of Environment
  • One-Hand Opening Of Our Aluminum Boxes Is A Breeze, Thanks To The Use Of A Self-Opening Shock
  • 19.25 Inch wide 13.50 Inch Height
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Westin – Westin Tailgate Mat (Part No.50-6525)

Westin Tailgate Mat

from

$83.99
Westins Truck Bed Mat is designed to line and protect your trucks bed from damage typically caused by direct contact with cargo. Custom Fit Tailgate Mat is heat molded for specific vehicle applications and are available for short bed and long bed trucks. Tailgate Mat is made in the USA of 100% recycled heavy weight rubber and feature a ribbed non-slip surface to help keep cargo in its place.

Product Features:
  • Preserves Truck Value
  • Heavyweight Rubber
  • Ribbed; Non Slip Surface
  • Easy To Install
  • 100 Percent Recycled Rubber
  • Made In The USA
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Westin – Westin Bed Mat (Part No.50-6465)

Westin Bed Mat

from

$211.99
Westins Truck Bed Mat is designed to line and protect your trucks bed from damage typically caused by direct contact with cargo. Custom Fit Bed Mat is heat molded for specific vehicle applications and are available for short bed and long bed trucks. Bed Mat is made in the USA of 100% recycled heavy weight rubber and feature a ribbed non-slip surface to help keep cargo in its place.

Product Features:
  • Lines And Protects Truck Bed
  • Preserves Truck Value
  • Heavyweight Rubber
  • Ribbed; Non Slip Surface
  • Easy To Install; Hardware Included
  • 100 Percent Recycled Rubber
  • Made In The USA
See More

Carquest Premium – Deck Lid / Liftgate Ajar Switch Connector (Part No.PTA2539)

Deck Lid / Liftgate Ajar Switch Connector

from

$26.99
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
See More

Dorman – Help – Tailgate Cable – 15-1/8 In. (Part No.38536)

Tailgate Cable - 15-1/8 In.

from

$15.29
This tailgate support cable matches the fit and function of the original cables on specific vehicles. Made of quality materials, this durable cable is engineered to stabilize the tailgate over the long haul.

Product Features:
  • Direct replacement – this tailgate support cable fits specific vehicles to preserve tailgate stability
  • Durable construction – this part is made of quality materials for a long service life
  • Saves money – offers quality at a competitive price while preventing tailgate damage
  • Quality assured – this tailgate support cable has undergone virtual testing for fit, function and durability over time
See More

KAI – Tailgate Cable (Part No.GM1921102)

Tailgate Cable

from

$10.99
New Standard Replacement Passenger Side Tailgate Check Cable

Product Features:
  • Made Of Metal and 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
See More

VDO – Door Lock Actuator M (Part No.O3020210683VDO)

Door Lock Actuator M

from

$87.12
Door Lock Actuator M

Dorman – Tailgate Molding Assembly (Part No.925-604)

Tailgate Molding Assembly

from

$78.99
This tailgate molding is designed to match the fit, function and appearance of the original molding on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this tailgate molding is designed to match the fit, function and appearance of the original molding on specified vehicles.
  • Restores functionality – reliable replacement for an original molding that is missing, faded, cracked or damaged.
  • 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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KAI – Tailgate Molding (Part No.GM1909102)

Tailgate Molding

from

$60.99
New Standard Replacement Upper Tailgate Molding, Base And Sl Fleetside Models, Black Textured, Without Bolt Holes Showing

Product Features:
  • Base And Sl Fleetside Models, Black Textured, Without Bolt Holes Showing, 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
See More

Dorman – Help – Tailgate Striker Bolt (Part No.38427)

Tailgate Striker Bolt

from

$16.49
This tailgate striker bolt 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 tailgate striker bolt matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this bolt 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
See More

Dorman – Door Lock Actuator, Front Left, Rear Left (Part No.746-017)

Door Lock Actuator, Front Left, Rear Left

from

$58.99
This door lock actuator has undergone extensive quality and safety testing to ensure reliable performance. It is engineered to provide a direct replacement for the stock actuator on specific vehicle years, makes and models.

Product Features:
  • Reliable replacement – this door lock actuator has undergone extensive quality and safety performance testing.
  • Perfect fit – engineered to provide the same fit and function of the original actuator on specific vehicle years, makes and models.
  • Safety compliant – part has undergone simulated crash testing under government guidelines
  • Long-lasting repair – cycle testing in an actual vehicle door verifies effective usage for years
See More

Dorman – Help – Tailgate Hinge Insert Kit – Left and Right – Bed and Gate Side (Part No.38642)

Tailgate Hinge Insert Kit - Left and Right - Bed and Gate Side

from

$31.49
This tailgate hinge kit is designed to match the original parts required to restore proper tailgate alignment and function on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this tailgate hinge kit is designed to match the original parts required to restore proper tailgate alignment and function on specified vehicles.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Help – Tailgate Hinge Bushing Right Side (Part No.38706)

Tailgate Hinge Bushing Right Side

from

$28.99
This tailgate hinge bushing 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 tailgate hinge bushing matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this bushing is a reliable replacement for an original part that 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
See More

Rampage – Tailgate Light Bar, 60 in., Superbrite LED 5 Function with Brake (Part No.960134)

Tailgate Light Bar, 60 in., Superbrite LED 5 Function with Brake

from

$79.99
Rampage LED Tailgate Light Bar – Superbrite LED light bar from Rampage has been designed and manufactured to expand overall life expectancy with the introduction of a waterproof, fully sealed electrical system. This innovative Light Bar is brighter and lasts longer due to the development of a waterproof, fully sealed electrical system. The completely encapsulated circuit board with robotically assembled high intensity LED bulbs is encased in a rigid, injection molded cap while suspended in a UV stabilized clear urethane, creating a seamless, completely waterproof Tailgate Bar. The Rampage Truck, Mini Truck and SUV Tailgate light bar is designed to fill the recessed space between the tailgate and bumper, and is easily installed (without drilling) using durable 3M automotive grade adhesive foam tape, heavy gauge wiring with plug-in flat four hitch connector to quickly plug into existing trailer hitch. Includes fuse protection, long life superbrite LED bulbs for Brighter faster lighting response. Waterproof, high quality SMT technology circuit board, attaches to vehicle with 3M adhesive foam tape.

Product Features:
  • Six Function Superbright LED Bar
  • L/R Turn Signals
  • Flasher/Running Lights
  • Waterproof Completely Encased Electrical System
  • UV Stabilized Rigid Urethane Injected Molded Cap
  • Heavy Gauge Wiring With OEM 4 Plug Connector
  • Robotically Assembled LED Circuit In 49-Inch Bar
  • Universal Fit And Mounting With OEM 3M Tape
  • Long Life Super Bright LED Bulbs
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Dorman – Help – Tailgate Stop Bumper (Part No.45679)

Tailgate Stop Bumper

from

$17.99
This tailgate stop bumper is designed to match the fit, appearance and function of the original bumper on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this tailgate stop bumper is designed to match the fit, appearance and function of the original bumper on specified vehicles.
  • Restores functionality – reliable replacement for an original bumper that is missing or has failed due to internal clip breakage
  • 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
See More

Carquest Premium – Air Bag Seat Position Sensor Connector (Part No.PTA1814)

Air Bag Seat Position Sensor Connector

from

$51.99
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
See More

Westin – Tailgate Cap (Part No.72-01161)

Tailgate Cap

from

$46.49
The edge of a pickup tailgate has a hard time. No other part of the truck is so prone to scratches and abuse. The Wade Tailgate Cap installs easily with 3M tape and keeps the tailgate rail in shape.

Product Features:
  • Protects Tailgate Against Damage
  • Gives Vehicle A Finished Factory Look
  • Installs Quickly And Easily With 3M Tape
  • Matching Bed Caps Available
  • Manufactured With High Impact ABS
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Westin – Tailgate Cap (Part No.72-01168)

Tailgate Cap

from

$46.49
The edge of a pickup tailgate has a hard time. No other part of the truck is so prone to scratches and abuse. The Wade Tailgate Cap installs easily with 3M tape and keeps the tailgate rail in shape.

Product Features:
  • Protects Bed Rails against Damage
  • Gives Vehicle A Finished Factory Look
  • Installs Quickly And Easily With 3M Tape
  • Matching Bed Caps Available
  • Manufactured With High Impact ABS
See More

WeatherTech – Direct-Fit, Does Not Cover Tailgate Lip, Black, Thermoplastic Elastomer (Part No.3TG07)

Direct-Fit, Does Not Cover Tailgate Lip, Black, Thermoplastic Elastomer

from

$76.99
WeatherTech TechLiner is the easiest to install, custom-fit solution for protecting and preserving pick-up truck beds ¿ PERIOD  TechLiner armors your investment against scratches, dents and paint damage by seamlessly lining the truck bed and tailgate.  The liner soft touch material helps to prevent cargo from shifting yet provides ease to loading/unloading. Made from a 100 Percent recyclable and odourless thermoplastic elastomer, TechLiner is durable, flexible and UV resistant. Custom-fit for each application, the liner securely fits the exact contours of the truck bed. Will not crack, break or warp in even extreme temperatures. Installation takes only minutes, without the need for drilling or use of chemical applications.

Product Features:
  • Easiest To Install Pick-Up Bed Protection
  • Fits To The Exact Contours Of Application
  • 100 Percent Recyclable, Odourless Material
  • Flexible And Durable
  • Chemical And UV Resistant
  • Provide Additional Protection Against Paint Damage
  • No Messy Sprays Or Drilling Required
  • Ideal For Users Of Truck Caps And Transporting Pets
  • Secured To The Truck Bed With The Use Of Velcro Discs That Allow For An Effortless Fit And The Ability To Remove The Liner If Necessary
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Dee Zee – Tailgate Cap, Brite Tread, Aluminum (Part No.DZ2116)

Tailgate Cap, Brite Tread, Aluminum

from

$82.99
The lip of your tailgate is one of the more vulnerable areas of your truck bed. it is almost too easy to drag, bump, or slam items when loading and unloading cargo. The Dee Zee Brite-Tread Tailgate Protector offers a tough layer of protection for your tailgate that can stand up to the abuse. Dee Zee Tailgate is forged out of rugged Brite-Tread aluminum, the proven material that has been used on construction and work vehicles for decades. Easily fits right over your factory plastic tailgate protector to offer another, more rugged layer of protection.

Product Features:
  • Brite-Tread Tailgate Protector
  • Non-Rusting Brite-Tread Aluminum
  • Protects Top Edge Of Truck Tailgate
  • Fits Over Factory Plastic
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Covercraft – PRONET Tailgate Net (Part No.PN017)

PRONET Tailgate Net

from

$95.99
Prone is a high performance tailgate net that adds a sporty aerodynamic style to your truck and increases air flow through your truck bed. Prune’s are known to improve gas mileage by eliminating wind drag. Easily installs with four mounting holes, resulting in a perfectly flat, sag-free net. Complements and fits most pickups. Constructed from heavy duty 22 oz vinyl-coated polyester fabric with stainless steel mounting hardware for long lasting durability.

Product Features:
  • The Leader In Quality & Fit & Finish
  • Patented Sag-free Design
  • Only Four Holes Needed for Installation
  • Best Looking Even-Tensioning Design
  • Available In Four Styles
  • 17 in height x 45.5 in width Black
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Covercraft – PRONET Tailgate Net (Part No.PN323)

PRONET Tailgate Net

from

$64.99
Prone is a high performance tailgate net that adds a sporty aerodynamic style to your truck and increases air flow through your truck bed. Prune’s are known to improve gas mileage by eliminating wind drag. Easily installs with four mounting holes, resulting in a perfectly flat, sag-free net. Complements and fits most pickups. Constructed from heavy duty 22 oz vinyl-coated polyester fabric with stainless steel mounting hardware for long lasting durability.

Product Features:
  • The Leader In Quality & Fit & Finish
  • Patented Sag-free Design
  • Only Four Holes Needed for Installation
  • Best Looking Even-Tensioning Design
  • ProRunner
  • 18 in height x 59.75 in width
See More

Covercraft – PRONET Tailgate Net (Part No.PN012)

PRONET Tailgate Net

from

$109.99
Prone is a high performance tailgate net that adds a sporty aerodynamic style to your truck and increases air flow through your truck bed. Prune’s are known to improve gas mileage by eliminating wind drag. Easily installs with four mounting holes, resulting in a perfectly flat, sag-free net. Complements and fits most pickups. Constructed from heavy duty 22 oz vinyl-coated polyester fabric with stainless steel mounting hardware for long lasting durability.

Product Features:
  • The Leader In Quality & Fit & Finish
  • Patented Sag-free Design
  • Only Four Holes Needed for Installation
  • Best Looking Even-Tensioning Design
  • Available In Four Styles
  • 18 in height x 59.75 in width US Flag
See More

Most Popular Tailgate Hinge Kit for 2003 GMC Sierra 1500s

Enhance your 2003 GMC Sierra 1500 with this popular Tailgate Hinge Kit we have in stock, for $31.49.

Dorman – Help – Tailgate Hinge Insert Kit – Left and Right – Bed and Gate Side (Part No.38642)

Tailgate Hinge Insert Kit - Left and Right - Bed and Gate Side

from

$31.49
This tailgate hinge kit is designed to match the original parts required to restore proper tailgate alignment and function on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this tailgate hinge kit is designed to match the original parts required to restore proper tailgate alignment and function on specified vehicles.
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Best-Selling 2003 GMC Sierra 1500 Tailgate Cables

Upgrade your Sierra 1500 with one of our 3 best-selling Tailgate Cables, earning an average 4.5 stars rating across 15 reviews.

Dorman – Help – Tailgate Cable – 15-1/8 In. (Part No.38536)

Tailgate Cable - 15-1/8 In.

from

$15.29
This tailgate support cable matches the fit and function of the original cables on specific vehicles. Made of quality materials, this durable cable is engineered to stabilize the tailgate over the long haul.

Product Features:
  • Direct replacement – this tailgate support cable fits specific vehicles to preserve tailgate stability
  • Durable construction – this part is made of quality materials for a long service life
  • Saves money – offers quality at a competitive price while preventing tailgate damage
  • Quality assured – this tailgate support cable has undergone virtual testing for fit, function and durability over time
See More

Dorman – Tailgate Support Cab (Part No.O2098573643DOR)

Tailgate Support Cab

from

$11.74
Tailgate Support Cab

KAI – Tailgate Cable (Part No.GM1921102)

Tailgate Cable

from

$10.99
New Standard Replacement Passenger Side Tailgate Check Cable

Product Features:
  • Made Of Metal and 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
See More

Top-Quality Bed and Tailgate Mats for 2003 GMC Sierra 1500s

Choose a high-quality OEM or aftermarket Bed and Tailgate Mat for GMC Sierra 1500s and enjoy top-notch performance from $83.99.

Westin – Westin Bed Mat (Part No.50-6175)

Westin Bed Mat

from

$204.99
Westins Truck Bed Mat is designed to line and protect your trucks bed from damage typically caused by direct contact with cargo. Custom Fit Bed Mat is heat molded for specific vehicle applications and are available for short bed and long bed trucks. Bed Mat is made in the USA of 100% recycled heavy weight rubber and feature a ribbed non-slip surface to help keep cargo in its place.

Product Features:
  • Lines And Protects Truck Bed
  • Preserves Truck Value
  • Heavyweight Rubber
  • Ribbed; Non Slip Surface
  • Easy To Install; Hardware Included
  • 100 Percent Recycled Rubber
  • Made In The USA
See More

Dee Zee – Direct-Fit, Without Raised Edges, 78.25"L X 63.75"W, Black, Rubber (Part No.DZ86887)

Direct-Fit, Without Raised Edges, 78.25"L X 63.75"W, Black, Rubber

from

$128.99
If you have ever scratched your truck bed then you know the feeling that follows when you hear the sound of your investment losing value. You toss a lot of things in the bed of your truck, why not let one of them be a little protection. Dee Zee Bed Mats are a cost-effective solution for keeping your truck bed surface free from scratches, dings, and dents caused by loading and unloading, or cargo shifting around during transport. Dee Zee Bed Mats custom fit your truck contours for ultimate coverage. Concerns about trapped water and rust are non-existent since our truck mats use rubber cleats on the underside to facilitate drainage and keep the Bed Mat securely in place. Made with superior manufacturing, each heavy-duty Dee Zee Bed Mat is constructed from .375 Inch high-density Fiber Infused Rubber compound that resists abrasion and tears from your cargo. The tightly compressed Rubber fibers can handle common gas or oil spills, making them perfect for transporting motorized work equipment or all-terrain vehicles. Your custom fit Bed Mat deflects harmful UV rays and will not crack, rust or break- even in the most extreme temperatures.

Product Features:
  • Helps Prevent Cargo From Shifting And Damaging Your Truck Bed
  • Rubber Cleats Help Keep Mat In Place And Allow Water To Drain
  • Made From Nyracord(R), A High Strength, Cord Enhanced Rubber Compound
  • Will Not Crack, Rust Or Break Even In Extreme Temperatures
  • Resists Common Fuel And Oil Spills
  • Rubber Material Deflects UV Rays To Reduce Fading
  • Custom Fit Applications Contour Around Wheel Wells For A Perfect Fit
  • Made In USA
See More

Westin – Westin Tailgate Mat (Part No.50-6515)

Westin Tailgate Mat

from

$83.99
Westins Truck Bed Mat is designed to line and protect your trucks bed from damage typically caused by direct contact with cargo. Custom Fit Tailgate Mat is heat molded for specific vehicle applications and are available for short bed and long bed trucks. Tailgate Mat is made in the USA of 100% recycled heavy weight rubber and feature a ribbed non-slip surface to help keep cargo in its place.

Product Features:
  • Preserves Truck Value
  • Heavyweight Rubber
  • Ribbed; Non Slip Surface
  • Easy To Install
  • 100 Percent Recycled Rubber
  • Made In The USA
See More

Our Top Pick for a 2003 GMC Sierra 1500 Tailgate Striker Bolt

Invest in a durable Tailgate Striker Bolt for your 2003 Ford, knowing you’re getting trusted brands and expert craftsmanship.

Dorman – Help – Tailgate Striker Bolt (Part No.38427)

Tailgate Striker Bolt

from

$16.49
This tailgate striker bolt 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 tailgate striker bolt matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this bolt 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
See More

Our Top-Rated Tailgate Lock Actuators for 2003 GMC Sierra 1500s

Make a smart move for your 2003 GMC Sierra 1500 with our Tailgate Lock Actuator for $58.99.

Dorman – Door Lock Actuator, Front Left, Rear Left (Part No.746-017)

Door Lock Actuator, Front Left, Rear Left

from

$58.99
This door lock actuator has undergone extensive quality and safety testing to ensure reliable performance. It is engineered to provide a direct replacement for the stock actuator on specific vehicle years, makes and models.

Product Features:
  • Reliable replacement – this door lock actuator has undergone extensive quality and safety performance testing.
  • Perfect fit – engineered to provide the same fit and function of the original actuator on specific vehicle years, makes and models.
  • Safety compliant – part has undergone simulated crash testing under government guidelines
  • Long-lasting repair – cycle testing in an actual vehicle door verifies effective usage for years
See More

Top-Rated Trunk and Tailgate Part Brands For Your 2003 GMC Sierra 1500

When it comes to finding the perfect Trunk and Tailgate Part for your 2003 GMC Sierra 1500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 9 trusted brands. We carry the most popular Trunk and Tailgate Part brands including Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $15.29. Purchasing a Trunk and Tailgate Part from us here at Advance Auto Parts is a smart move for both you and your 2003 GMC Sierra 1500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Dorman 2003 GMC Sierra 1500 Trunk and Tailgate Parts

If you’re looking for a top-quality Trunk and Tailgate Part for your 2003 GMC Sierra 1500, Advance Auto Parts has exactly what you need with our selection of Dorman Trunk and Tailgate Parts. We have 3 Dorman Trunk and Tailgate Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $15.29 and an average cost of $21.59, you’ll find the perfect Trunk and Tailgate Part for your needs and budget. Dorman Trunk and Tailgate Parts for the 2003 GMC Sierra 1500 come highly rated, with over 94 customer reviews and an impressive average rating of 4.2 stars. Choosing a Dorman Trunk and Tailgate Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Tailgate Hinge Insert Kit - Left and Right - Bed and Gate Side
from $31.49
(74)
Tailgate Hinge Insert Kit – Left and Right – Bed and Gate Side
“Worked perfect for my 2003 Silverado. Way better quality that the one’s from chevy that came on the truck.”
Tailgate Cable - 15-1/8 In.
from $15.29
(15)
Tailgate Cable – 15-1/8 In.
“Worked as it should.”
Tailgate Stop Bumper
from $17.99
(5)
Tailgate Stop Bumper
“The rubber bumper pads for the tailgate work great and also easy to put on”

FAQs for 2003 GMC Sierra 1500 Trunk and Tailgate Parts

What are the best-selling Trunk and Tailgate Parts for 2003 GMC Sierra 1500s?

Out of 23 Trunk and Tailgate Parts that fit 2003 GMC Sierra 1500s, the following parts are the top sellers:

What’s the price range for 2003 GMC Sierra 1500 Trunk and Tailgate Parts?

The prices of Trunk and Tailgate Parts for the 2003 GMC Sierra 1500 range from $10.99 up to $657.99 for the most premium parts.

What is the average price of a Trunk and Tailgate Parts Trunk and Tailgate Part for a 2003 GMC Sierra 1500?

The average price for Trunk and Tailgate Parts for the 2003 GMC Sierra 1500 is $128.06. Keep in mind the variety of part types within our Trunk and Tailgate Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Trunk and Tailgate Parts for other GMC Sierra 1500 model years?

Yes, we carry Trunk and Tailgate Parts for 25 model years of GMC Sierra 1500s between 1999 and 2025. The following model years are the most popular for Trunk and Tailgate Part purchases: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Trunk and Tailgate Parts for my 2003 GMC Sierra 1500?

The cheapest 2003 GMC Sierra 1500 Trunk and Tailgate Parts we carry are:

Does Advance Auto Parts sell Trunk and Tailgate Parts for any other 2003 GMC models?

What are the top-rated Trunk and Tailgate Parts that fit the 2003 GMC Sierra 1500?

The one 2003 GMC Sierra 1500 Trunk and Tailgate Part we have in stock is the Tailgate Cable. It costs $10.99.

What types of Trunk and Tailgate Parts do you sell for my 2003 GMC Sierra 1500?

As of 4/10/25, these are some of the most in-demand types of Trunk and Tailgate Parts for a 2003 GMC Sierra 1500:

Can I get help with 2003 GMC Sierra 1500 Trunk and Tailgate Part orders?

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

What is your return policy for GMC Sierra 1500 Trunk and Tailgate Parts?

Advance Auto Parts keeps returns simple. For new GMC Sierra 1500 Trunk and Tailgate Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.