2003 GMC Sierra 3500 Running Boards and Steps

Your 2003 GMC Sierra 3500 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Running Boards and Steps you desperately need.

We currently carry 25 Running Boards and Steps to choose from for your 2003 GMC Sierra 3500, and our inventory prices range from as little as $153.99 up to $757.99.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Running Boards and Steps for the 2003 GMC Sierra 3500. We only sell parts from trusted brands like Westin so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Running Boards and Steps stock in-person!

Running Boards and Steps for Your 2003 GMC Sierra 3500

Westin – Sure-Grip Running Boards (Part No.27-6130)

Sure-Grip Running Boards

from

$551.99
Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards.

Product Features:
  • Vehicle Specific Mount Kit Required; Sold Separately
  • Corrosion Resistant Extruded Aluminum Board
  • Slip Resistant Textured Step Surface
  • Injection Molded Polymer End Caps
  • Rocker Panel Gap Strip Included For Finished Look
  • Optional Light Kit Available PN[27-6000]
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Westin – Sure-Grip Running Boards (Part No.27-6145)

Sure-Grip Running Boards

from

$531.99
Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards.

Product Features:
  • Vehicle Specific Mount Kit Required; Sold Separately
  • Corrosion Resistant Extruded Aluminum Board
  • Slip Resistant Textured Step Surface
  • Injection Molded Polymer End Caps
  • Rocker Panel Gap Strip Included For Finished Look
  • Optional Light Kit Available PN[27-6000]
See More

Dee Zee – Powder Coated, Black, Aluminum, Unlighted, Mounting Kit Required, 86 Inch Length (Part No.DZ16321)

Powder Coated, Black, Aluminum, Unlighted, Mounting Kit Required, 86 Inch Length

from

$504.99
Dee Zee NXc Steps (board) The NXc step is designed for today crossover utility vehicles (CUV). A universal board combined with custom fit brackets (sold separately) fit all listed applications. The board is available in three different finishes for step and trim, Black or Chrome, Black or Black, Stainless or Black. Lightweight aluminum powder coated frame. Full length protective accent trim. Slip resistant raised rubber grommets on step area. Required custom fit bracket kits sold separately. Black or Black

Product Features:
  • Lightweight Aluminum Powder Coated Frame
  • Full Length Protective Accent Trim
  • Slip Resistant Raised Rubber Grommets On The Step Area
  • NRT(TM) Powder Coated Steel Braces
  • Mounting Braces Not Included
  • Widened 6 Inch Step Area
  • No Drilling Required
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Westin – Molded Running Boards (Part No.27-0015)

Molded Running Boards

from

$507.99
Westin Molded Running Boards are straight board OE style designs, available in three universal lengths (72in, 79in, 93in). Universal running boards are made of an extruded aluminum base board, feature a 1-piece construction and provide step area grooves for secure footing. Available in lighted or unlighted styles. Universal running boards require a 27-series vehicle specific mounting kit, sold separately.

Product Features:
  • OE Style
  • UV Resistant Black Molded Polymer
  • Extruded Aluminum Base Board
  • Cradle Mounted Boards
  • Customized Mounting Brackets Sold Separately
  • Adds Perfect Finishing Touch To Vehicle
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TrailFX – With Step Pads, 5" Oval Straight, Powder Coated, Black, Steel (Part No.A7003B)

With Step Pads, 5" Oval Straight, Powder Coated, Black, Steel

from

$529.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicle contours for a sleek and stylish look. With TrailFX step products, a custom look does not have to break the bank.

Product Features:
  • Mount Kit Included
  • Frame Body Mount Bolts
  • Drilling Not Required
  • 2 Pads On The Bar
  • 60 To 180 Minute Professional Installation Time
  • Q235A Steel Finished With A Black Powder Coat Ensures Maximum Strength And Durability: Extra-Large Molded Step Pads Provide Slip-Resistant Entry Points To The Cab
  • Steel Mounting Brackets Are Included To Install Steps With Ease: Oval Step Shape Offers A Wider Stepping Area For Secure Footing
  • Provides Moderate Protection Against Road Hazards And Debris
See More

Westin – Sure-Grip Running Boards (Part No.27-6105)

Sure-Grip Running Boards

from

$347.99
Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards.

Product Features:
  • Vehicle Specific Mount Kit Required; Sold Separately
  • Corrosion Resistant Extruded Aluminum Board
  • Slip Resistant Textured Step Surface
  • Injection Molded Polymer End Caps
  • Rocker Panel Gap Strip Included For Finished Look
  • Optional Light Kit Available PN[27-6000]
See More

Westin – Sure-Grip Running Boards (Part No.27-6100)

Sure-Grip Running Boards

from

$348.99
Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards.

Product Features:
  • Vehicle Specific Mount Kit Required; Sold Separately
  • Corrosion Resistant Extruded Aluminum Board
  • Slip Resistant Textured Step Surface
  • Injection Molded Polymer End Caps
  • Rocker Panel Gap Strip Included For Finished Look
  • Optional Light Kit Available PN[27-6000]
See More

TrailFX – With Step Pads, 6" Oval Straight, Polished, Ss, Frame Body Mount Bolts (Part No.A8201S)

With Step Pads, 6" Oval Straight, Polished, Ss, Frame Body Mount Bolts

from

$757.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicle contours for a sleek and stylish look. With TrailFX step products, a custom look does not have to break the bank.

Product Features:
  • Mount Kit Included
  • Frame Body Mount Bolts
  • Drilling Not Required
  • 2 Pads On The Bar
  • 120 To 180 Minute Professional Installation Time
  • T304 Marine-Grade Stainless Steel Ensures Maximum Strength And Durability: Extra-Large Molded Step Pads Provide Slip-Resistant Entry And Exit Points To The Cab
  • Welded End Caps Add A Clean, Finished Appearance While Keeping The Elements Out: Steel Mounting Brackets Are Included To Install Steps With Ease
  • Provides Moderate Protection Against Road Hazards And Debris
See More

Dee Zee – Powder Coated, Black, Aluminum, Unlighted, Requires Running Board Mounting Kit (Part No.DZ15321A)

Powder Coated, Black, Aluminum, Unlighted, Requires Running Board Mounting Kit

from

$609.99
Some people demand a little more from their running boards. When toughness takes precedence the Dee Zee Rough Step running provides a rugged step area for trucks and cargo vans. Our Rough Step running boards are forged out of your choice of industrial gauge steel or heavy duty aluminum and coated with our patented NRT (TM) (No Rust Technology) black powder coat for optimal ruggedness and resistance against corrosion. Our grated design allows mud, water, snow, and what ever else you step in daily to easily pass through, preventing buildup while providing unmatched traction when entering or exiting the vehicle. Plus they are built Dee Zee tough, so you Do not have to feel bad the next time you use them to scrape your boots clean.

Product Features:
  • Rugged 12 Gauge Steel Construction Or Heavy Duty Aluminum
  • NRT (TM) Black Powder Coat Is A Specially Designed To Increase Corrosion Protection
  • Grated Steel Top Provides Unmatched Traction
  • Dirt And Water Drain Away To Keep The Board Clear Of Debris
  • Made In Americas Heartland USA
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Westin – Sure-Grip Running Boards (Part No.27-6140)

Sure-Grip Running Boards

from

$606.99
Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards.

Product Features:
  • Vehicle Specific Mount Kit Required; Sold Separately
  • Corrosion Resistant Extruded Aluminum Board
  • Slip Resistant Textured Step Surface
  • Injection Molded Polymer End Caps
  • Rocker Panel Gap Strip Included For Finished Look
  • Optional Light Kit Available PN[27-6000]
See More

Dee Zee – Powder Coated, Silver, Brite Tread Aluminum, Unlighted (Part No.DZ1052)

Powder Coated, Silver, Brite Tread Aluminum, Unlighted

from

$601.99
Dee Zee Brite-Tread Running Boards Get a step up into your vehicle while adding styling and protection. Constructed of heavy Gauge Brite-Tread aluminum. BriteGard powder coat finish helps aluminum stay looking new. Raised tread surface provides secure footing as you enter and exit. Sturdy bracing and hardware is coated to help prevent rust and keep your boards strong. Cab Section Only (matching bed section may be available).

Product Features:
  • The Classic Style That Started It All For Dee Zee
  • Diamond Plate Texture And non Rusting Brite Tread Aluminum Construction Provides Excellent Footing
  • BriteGard Powder Coating Prevents Oxidation
  • Raised Tread Surface Provides Secure Footing As You Access Your Bed
  • Protective BriteGard Powder Coat Finish
  • Custom Fit Application Ensures Quick And Easy Installation
See More

Westin – Sure-Grip Running Boards (Part No.27-6630)

Sure-Grip Running Boards

from

$542.99
Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards.

Product Features:
  • Vehicle Specific Mount Kit Required; Sold Separately
  • Corrosion Resistant Extruded Aluminum Board
  • Slip Resistant Textured Step Surface
  • Injection Molded Polymer End Caps
  • Rocker Panel Gap Strip Included For Finished Look
  • Optional Light Kit Available PN[27-6000]
See More

TrailFX – With Step Pads, 5"Oval Bent, Powder Coat Black Steel, Frame Body Mount Bolts (Part No.A7066B)

With Step Pads, 5"Oval Bent, Powder Coat Black Steel, Frame Body Mount Bolts

from

$529.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicle contours for a sleek and stylish look. With TrailFX step products, a custom look does not have to break the bank.

Product Features:
  • Frame Body Mount Bolts
  • Q235A Steel Finished With A Black Powder Coat Ensures Maximum Strength And Durability: Extra-Large Molded Step Pads Provide Slip-Resistant Entry And Exit Points To The Cab
  • Welded End Caps Add A Clean, Finished Appearance While Keeping The Elements Out: Steel Mounting Brackets Are Included To Install Steps With Ease
  • Provides Moderate Protection Against Road Hazards And Debris
See More

TrailFX – With Step Pads, 5" Oval Straight, Polished, Ss, Frame Body Mount Bolts (Part No.A7003S)

With Step Pads, 5" Oval Straight, Polished, Ss, Frame Body Mount Bolts

from

$527.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicle contours for a sleek and stylish look. With TrailFX step products, a custom look does not have to break the bank.

Product Features:
  • Mount Kit Included
  • Frame Body Mount Bolts
  • Drilling Not Required
  • 2 Pads On The Bar
  • 60 To 180 Minute Professional Installation Time
  • T304 Marine-Grade Stainless Steel Ensures Maximum Strength And Durability: Extra-Large Molded Step Pads Provide Slip-Resistant Entry And Exit Points To The Cab
  • Steel Mounting Brackets Are Included To Install Steps With Ease: Oval Step Shape Offers A Wider Stepping Area For Secure Footing
  • Provides Moderate Protection Against Road Hazards And Debris
See More

Westin – SG6 Running Boards (Part No.27-64735)

SG6 Running Boards

from

$512.99
Westin’s SG6 Running Boards feature textured slip resistant step pads enhancing footing in virtually all weather conditions. SG6 Running Boards also include a rocker panel gap strip to provide users with the appropriate Westin finished look. A polished aluminum finish with a protective anodized coating prevents oxidation increasing durability and extending product life. A vehicle specific mount kit is required and sold separately. The SG6 LED Light Kit is also available and sold separately. Choose Westin’s SG6 Running Boards for the perfect balance between safety, function and style!

Product Features:
  • Vehicle Specific Mount Kit Required; Sold Separately
  • Stylish Modern Design
  • 5 1/2 in. Step Surface Width
  • Corrosion Resistant Extruded Aluminum Board
  • Injection Molded End Caps
  • Slip Resistant Textured Step Surface
  • Rocker Panel Gap Strip Included For Finished Look
  • Optional Light Kit For End Caps PN[27-60000]
See More

Dee Zee – Louvered Powder Coated, Black, Steel, Unlighted, Mounting Kit Required, 73" L (Part No.DZ16511)

Louvered Powder Coated, Black, Steel, Unlighted, Mounting Kit Required, 73" L

from

$509.99
Made from heavy duty 16 gauge steel and mounted with powder coated braces help prevent rust and wear, keeping your boards strong. With the louvers in the boards allows mud, snow, water, and whatever else you step in daily to easily pass through.

Product Features:
  • Made From Heavy Duty 16 Gauge Steel
  • Allows Water And Debris To Go Through The Board
  • 3 Board Lengths Cover Most Full Size Trucks
  • Made In USA
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Westin – Sure-Grip Running Boards (Part No.27-6640)

Sure-Grip Running Boards

from

$497.99
Extruded aluminum. Slip resistant rubber step area. Molded end caps add unique style. Cradle mounted boards.

Product Features:
  • Vehicle Specific Mount Kit Required; Sold Separately
  • Corrosion Resistant Extruded Aluminum Board
  • Slip Resistant Textured Step Surface
  • Injection Molded Polymer End Caps
  • Rocker Panel Gap Strip Included For Finished Look
  • Optional Light Kit Available PN[27-6000]
See More

TrailFX – With Step Pads, 5"Oval Straight, Powder Coat Black Steel, Frame Body Mount Bolts (Part No.A7001B)

With Step Pads, 5"Oval Straight, Powder Coat Black Steel, Frame Body Mount Bolts

from

$486.99
TrailFX Step Bars maximize style and safety when entering and exiting your vehicle. Available in various sizes, shapes, and finishes, TrailFX steps offer a solution for every need. Each pair installs seamlessly against the vehicle contours for a sleek and stylish look. With TrailFX step products, a custom look does not have to break the bank.

Product Features:
  • Mount Kit Included
  • Frame Body Mount Bolts
  • Drilling Not Required
  • 1 Pad On The Bar
  • 30 To 60 Minute Professional Installation Time
  • Q235A Steel Finished With A Black Powder Coat Ensures Maximum Strength And Durability: Extra-Large Molded Step Pads Provide Slip-Resistant Entry Points To The Cab
  • Steel Mounting Brackets Are Included To Install Steps With Ease: Oval Step Shape Offers A Wider Stepping Area For Secure Footing
  • Provides Moderate Protection Against Road Hazards And Debris
See More

Westin – Molded Running Boards (Part No.27-0025)

Molded Running Boards

from

$448.99
Westin Molded Running Boards are straight board OE style designs, available in three universal lengths (72in, 79in, 93in). Universal running boards are made of an extruded aluminum base board, feature a 1-piece construction and provide step area grooves f

Product Features:
  • OE Style
  • UV Resistant Black Molded Polymer
  • Extruded Aluminum Base Board
  • Cradle Mounted Boards
  • Customized Mounting Brackets Sold Separately
  • Adds Perfect Finishing Touch To Vehicle
  • 5 Year Warranty
See More

Dee Zee – Textured, Black, Aluminum, Unlighted, Mounting Kit Required, 73"Length (Part No.DZ16311)

Textured, Black, Aluminum, Unlighted, Mounting Kit Required, 73"Length

from

$439.99
Dee Zee NXc Steps (board) The NXc step is designed for today crossover utility vehicles (CUV). A universal board combined with custom fit brackets (sold separately) fit all listed applications. The board is available in three different finishes for step and trim, Black or Chrome, Black or Black, Stainless or Black. Lightweight aluminum powder coated frame. Full length protective accent trim. Slip resistant raised rubber grommets on step area. Required custom fit bracket kits sold separately. Black or Black

Product Features:
  • Lightweight Aluminum Powder Coated Frame
  • Full Length Protective Accent Trim
  • Slip Resistant Raised Rubber Grommets On The Step Area
  • NRT(TM) Powder Coated Steel Braces
  • Mounting Braces Not Included
  • Widened 6 Inch Step Area
  • No Drilling Required
See More

Dee Zee – Powder Coated, Silver, Brite Tread Aluminum, Unlighted (Part No.DZ1051)

Powder Coated, Silver, Brite Tread Aluminum, Unlighted

from

$429.99
Dee Zee Brite-Tread Running Boards Get a step up into your vehicle while adding styling and protection. Constructed of heavy Gauge Brite-Tread aluminum. BriteGard powder coat finish helps aluminum stay looking new. Raised tread surface provides secure footing as you enter and exit. Sturdy bracing and hardware is coated to help prevent rust and keep your boards strong. Cab Section Only (matching bed section may be available).

Product Features:
  • The Classic Style That Started It All For Dee Zee
  • Diamond Plate Texture And Non-Rusting Brite-Tread Aluminum Construction Provides Excellent Footing
  • BriteGard Powder Coating Prevents Oxidation
  • Raised Tread Surface Provides Secure Footing As You Access Your Bed
  • Protective BriteGard Powder Coat Finish
  • Custom Fit Application Ensures Quick And Easy Installation
See More

TrailFX – Nerf Bars, 4 Inch Oval Straight, Polished, Stainless Steel, Body/Frame Mount, Crew Cab (Part No.A1540S)

Nerf Bars, 4 Inch Oval Straight, Polished, Stainless Steel, Body/Frame Mount, Crew Cab

from

$289.99
When it comes to your truck or SUV, you want quality, style, protection, and durability at a price you can afford. TrailFX offers you an array of products, whether it is for work or play, TrailFX has something for everyones needs. Step bars to grille guards, tool boxes to bed protection, whatever your need, we have you covered. TrailFX sources high quality products for trucks, SUVs, and cars at a price you can afford. Whether you need a nerf step for your SUV, a tool box for your truck, or a bug shield for your car, we want to make sure that you are supplied the quality, style, and durability you expect from a product. The 4 Inch Oval Side Step provides an extra wide step area for better footing. Available in polished stainless steel, or durable, powder coated mild steel, all feature easy installation and great looks. Slip resistant molded step pads will not fade or crack and can be ordered with custom logs.

Product Features:
  • Frame Body Mount Bolts
  • TrailFX Bed Oval Tube Side Steps Provide A Wide And Flat Step Area For Maximum Grip And Stability When Entering Or Exiting Your Vehicle
  • Oval Tube Side Steps Feature Fully Welded Ends. No Plastic To Break Or Loosen, And They Look Great. Easy Install
  • Limited Lifetime Warranty
See More

Westin – Running Board Mount Kit (Part No.27-1285)

Running Board Mount Kit

from

$168.99
SG6 LED Running Boards are designed to be vehicle specific and require a mount kit (sold separately). Kit includes driver and passenger side e-coated steel mount brackets, complete with hardware and installation instruction sheet.

Product Features:
  • Black Powder Coat Finish
  • E-Coated Steel
  • 5 Year Warranty
See More

Westin – Running Board Mount Kit (Part No.27-1025)

Running Board Mount Kit

from

$158.99
SG6 LED Running Boards are designed to be vehicle specific and require a mount kit (sold separately). Kit includes driver and passenger side e-coated steel mount brackets, complete with hardware and installation instruction sheet.

Product Features:
  • Black Powder Coat Finish
  • E-Coated Steel
  • 5 Year Warranty
See More

Westin – Running Board Mount Kit (Part No.27-1455)

Running Board Mount Kit

from

$153.99
Required part for running boards. Vehicle specific mount kit insures proper fit. 5 year warranty.

Product Features:
  • Required Part For Running Boards
  • Vehicle Specific Mount Kit Insures Proper Fit
  • 5 Year Warranty
See More

FAQs for 2003 GMC Sierra 3500 Running Boards and Steps

What are the most popular Running Boards and Steps for the 2003 GMC Sierra 3500?

With 3 brands you can trust, our most popular Running Boards and Steps for the 2003 GMC Sierra 3500 parts are:
Powder Coated, Black, Aluminum, Unlighted, Mounting Kit Required, 86 Inch Length
from $504.99
This product is not rated
Powder Coated, Black, Aluminum, Unlighted, Mounting Kit Required, 86 Inch Length
Running Boards and Steps
With Step Pads, 5" Oval Straight, Powder Coated, Black, Steel
from $529.99
This product is not rated
With Step Pads, 5" Oval Straight, Powder Coated, Black, Steel
Running Boards and Steps
Molded Running Boards
from $507.99
This product is not rated
Molded Running Boards
Running Boards and Steps