2018 GMC Sierra 3500 HD Bodies and Fender Parts

Essential 2018 GMC Sierra 3500 HD Bodies and Fender Parts

KAI – Fender Brace (Part No.GM1245105)

Fender Brace

from

$44.99
New Standard Replacement Passenger Side Fender Brace, Rear Upper Bracket

Product Features:
  • Rear Upper Bracket, Made Of Steel
  • 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
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Westin – PRO TRAXX 5 Oval Nerf Step Bars (Part No.21-53710)

PRO TRAXX 5 Oval Nerf Step Bars

from

$623.99
Westins Pro Traxx 5 Oval Nerf Step Bars feature a 5″ oval tube with a heavy-duty step pad that provides a wider and more secure step area. They feature 30° factory style bends that have seamless domed ends so there are no end-caps or exposed bolt heads. Applications are bolt-on installation.

Product Features:
  • 30 Degree Factory Style Bends At Each End Of Tube
  • Fully Welded Domed Ends
  • Injection Molded Polymer Step Pad
  • Injection Molded Bracket Covers Incl. On Some Apps
  • 5 in. Wide Step Area With Westin Logo
  • Bolt On Installation
  • No Drilling Required On Most Apps
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Dorman – Nylon Fender Flare Retainer (Part No.961-366)

Nylon Fender Flare Retainer

from

$3.79
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Dorman – Metal Clip Nut No.8 (Part No.961-304D)

Metal Clip Nut No.8

from

$4.49
Dorman offers a comprehensive line of Clip / Spring Nuts for a range of automotive applications. They are available for use with a large variety of screw sizes, throat depths, and panel ranges.

Product Features:
  • Constructed of high-quality materials for long-lasting durability
  • Many different styles are available, including threaded and wide panel
  • Packaged in a variety of piece counts for use with both small and large projects
  • Also suitable for a broad range of industrial and commercial uses
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Dorman – GM Body Mount Kit (Part No.924-135)

GM Body Mount Kit

from

$118.99
Don’t let worn body mounts ruin your vehicle’s comfortable ride. This body mount includes all the hardware required for an easy replacement. Made with quality materials for a long service life, this vehicle-specific design is a perfect fit.

Product Features:
  • Direct replacement – this body mount fits and functions like the original equipment mount
  • Quality construction – manufactured from premium materials for a long service life
  • Excellent value – original equipment quality at a lower price
  • Quality tested – has undergone testing to ensure proper fit and performance
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Dorman – Nylon Cowl Retainers GM (Part No.961-362)

Nylon Cowl Retainers GM

from

$1.99
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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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
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KAI – Rocker Panel (Part No.RRP3933)

Rocker Panel

from

$49.99
New Standard Replacement Driver Side Rocker Panel, Standard Cab, Slip-On Type

Product Features:
  • Standard Cab Models, Slip-On Type, Made Of Steel
  • 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
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ARIES – 6 Inch Oval Side Bar Mounting Brackets (Part No.4493)

6 Inch Oval Side Bar Mounting Brackets

from

$69.99
These mounting brackets are designed for vehicle-specific application and provide solid attachment for ARIES 6″ oval side bars. They feature high-strength steel construction and a durable black powder coat finish. With a vehicle-specific design and the track mounting system of ARIES 6″ ovals, you get a custom fit for your unique truck or SUV and an easy-as-possible, no-drill installation. To verify which side bars and brackets will fit your specific vehicle, see the application information. All brackets will accommodate both finish options.

Product Features:
  • No-drill, vehicle-specific application for a custom fit
  • Compatible with 6″ oval track mounting system for easy, secure installation
  • Heavy-duty steel construction with a durable black powder coat finish
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Westin – Premier Oval Nerf Step Bar Mount Kit (Part No.22-1065)

Premier Oval Nerf Step Bar Mount Kit

from

$174.99
Required part for oval tubes. Vehicle specific mount kit insures proper fit. 5 year warranty.

Product Features:
  • Required Part For Oval Tubes
  • Vehicle Specific Mount Kit Insures Proper Fit
  • 5 Year Warranty
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Dorman – Clip Nut – Wide Panel – No. 8 X 3/8 In, Panel Range .025 In – .125 In (sold by each) (Part No.700-520)

Clip Nut - Wide Panel - No. 8 X 3/8 In, Panel Range .025 In - .125 In (sold by each)

from

$0.71
Dorman offers a comprehensive line of Clip / Spring Nuts for a range of automotive applications. They are available for use with a large variety of screw sizes, throat depths, and panel ranges.

Product Features:
  • Constructed of high-quality materials for long-lasting durability
  • Many different styles are available, including threaded and wide panel
  • Packaged in a variety of piece counts for use with both small and large projects
  • Also suitable for a broad range of industrial and commercial uses
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Dorman – GM Drive Type Rivet (Part No.963-208D)

GM Drive Type Rivet

from

$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Dorman – GM Splash Shield Retainer (Part No.963-405D)

GM Splash Shield Retainer

from

$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Lund – Rivet Style Fender Flare Set (Part No.RX105S)

Rivet Style Fender Flare Set

from

$452.99
LUND’s RX-Rivet Style fender flares are the perfect addition to lifted trucks, giving them a bold, unmistakable appearance. Designed for larger tires and wheels, LUND’s RX-Rivet Style flares will transform your Chevy Silverado, Toyota Tundra, GMS Sierra, Dodge Ram or Ford truck into an off-road, gutsy-appearing ride. This rivet style fender flare provides extra coverage on trucks with larger wheel and tire packages. Update your vehicle with an awesome, wide-body look while shielding it from road debris. The extra height of the flares is also a great quick fix for covering rust and minor damages on the fender. This distinctive fender flare, available in four-piece sets, is designed to not only add a rugged, off-road look, but also protect the sides of your vehicle from road debris and harsh outdoor elements. LUND’s RX-Rivet Style fender flares are made with ABS thermoplastic material to allow for maximum durability – providing a dense, hard and scratch-resistant surface, flexible enough to bend instead of shattering. This flare is built to last and is backed by a Limited Lifetime Warranty. Straight from the die, the flare has a satiny finish (standard) that looks great, but is easily prepped and painted for any sort of automotive paint. The flare is also available in a textured finish. Maintenance is easy! You can use any detergent you use to wash your vehicle to clean the flares as well.

Product Features:
  • Bold And Aggressive Design
  • Gives The Tundra Improved Protection Against Rocks And Debris
  • Additional Coverage For Larger Tire And Wheel Packages
  • Available In Two Finishes
  • Tough And Durable Tri-Flex ABS Thermoplastic
  • UV-Resistant To Protect Against Fading
  • Polished Stainless Steel Hardware Included
  • Easy No Drill Installation Utilizing Factory Attachment Locations
  • Limited Lifetime Warranty
  • Made In USA
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Lund – Sport Style Fender Flare Set (Part No.SX110TA)

Sport Style Fender Flare Set

from

$247.99
LUND’s SX-Sport Style fender flares seamlessly add OE style to your Chevy Silverado, Toyota Tundra, GMC Sierra, Dodge Ram or Ford truck. This fender flare style is perfect for those looking for clean line accessories that blend well with their vehicle. The flares’ low profile complements the original design and contours of the wheel well while adding a distinctive style.This durable fender flare, available in two and four-piece sets, is designed to not only add style, but also protect the brilliant coat of paint and the sides of your vehicle from road debris and harsh outdoor elements and weather conditions. LUND SX-Sport Style fender flares are made with Tri-Flex ABS thermoplastic material to allow for maximum strength and flexibility-UV-resistant and built to last; backed by a Limited Lifetime Warranty. Straight from the die, the flare has a smooth (standard) or textured finish that looks great as is, but can also be easily prepped and painted to match your vehicle. Maintenance is easy! You can use any detergent to wash your vehicle to clean the flares as well.

Product Features:
  • Bring A Neat And Seamless Style To Your Vehicle
  • Perfect Clean Line Accessory
  • Blends In Well And Looks Like It Came From The Factory
  • Protects Your Vehicle From Road Debris
  • Made From Durable OEM-Style ABS Plastic
  • Can Be Prepped, Primed And Painted
  • Installs Quickly With Included Fasteners
  • No Modification Is Necessary
  • Covers Rust And Fender Blemishes
  • Designed For Perfect Fitment
  • UV Resistant From Color Fading
  • Limited Lifetime Warranty
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Dorman – Spare Tire Hoist Assembly (Part No.924-549)

Spare Tire Hoist Assembly

from

$90.99
Spare tire hoist rusted out and corroded? This replacement hoist is specifically engineered to match the original design on specific vehicles, and it’s specially coated to resist future rust and corrosion.

Product Features:
  • Direct replacement – this spare tire hoist is precisely engineered to replace the hoist that comes stock on specific vehicle years, makes and models
  • Easy installation – simply remove the spare tire, unbolt the original part, and bolt on this replacement
  • Functionality ensured – hoist appearance may vary slightly from original part but functions the same
  • Corrosion resistant – specially coated to prevent future rust and corrosion
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Dorman – Spare Tire Hoist Assembly (Part No.924-502)

Spare Tire Hoist Assembly

from

$142.99
Spare tire hoist rusted out and corroded? This replacement hoist is specifically engineered to match the original design on specific vehicles, and it’s specially coated to resist future rust and corrosion.

Product Features:
  • Direct replacement – this spare tire hoist is precisely engineered to replace the hoist that comes stock on specific vehicle years, makes and models
  • Easy installation – simply remove the spare tire, unbolt the original part, and bolt on this replacement
  • Functionality ensured – hoist appearance may vary slightly from original part but functions the same
  • Corrosion resistant – specially coated to prevent future rust and corrosion
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COAST TO COAST – Multi-Fit, Chrome Abs, 4 Piece, Two 38" L X 1/4" Thick X 1-1/8" H Pieces (Part No.CCISM608)

Multi-Fit, Chrome Abs, 4 Piece, Two 38" L X 1/4" Thick X 1-1/8" H Pieces

from

$179.99
Coat to Coast International body side molding is a stylish accessory that compliments any vehicle. Durable ABS plastic is chrome plated for lasting shine. Side moldings install effortlessly with automotive grade 3M tape. All Coast to Coast International products feature a limited lifetime warranty.

Product Features:
  • Constructed From High-Quality, Durable, Automotive Grade ABS
  • Two Layers Of Clear Coat Enhance And UV Protect The Finish
  • Quickly And Affordably Upgrades The Trim Level Appearance Of A Vehicle
  • Installs In Minutes Without Tools Using Pre-Applied Automotive Grade 3M Tape
  • Mount with 3M Tape
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COAST TO COAST – Direct-Fit, Chrome Plated, 4 Piece (Part No.CCISM607)

Direct-Fit, Chrome Plated, 4 Piece

from

$174.99
Product Care: Regular vehicle cleaning of dirt, grime or salt twice a month, year round. Appling a high quality wax to help protect and maintain the finish of the product is recommended. Use ONLY Non Abrasive automotive wax. Use of any soap, polish or wax that contains an abrasive is detrimental and can scratch the finish leading to corrosion. Do not use harsh cleaners or chemicals that could damage the finish. Failure to keep your product clean may result in pitting and or peeling.

Product Features:
  • Chrome Plated For A Long Lasting Shine
  • Designed To Fit Multiple Vehicles
  • Easy Installation
  • Mount with 3M Tape
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WeatherTech – Direct-Fit, Pair, Contoured, Black, Thermoplastic, Quickturn ┐ Fastening System (Part No.120076)

Direct-Fit, Pair, Contoured, Black, Thermoplastic, Quickturn ┐ Fastening System

from

$185.99
The WeatherTech MudFlap Laser Measured for a Perfect Fit set literally mounts in minutes without the need for wheel Or tire removal, and most importantly without the need for drilling into the vehicles fragile painted metal surface. Contoured specifically for each application and molded from a proprietary thermoplastic resin, the WeatherTech MudFlap will offer undeniable vehicle protection.

Product Features:
  • Feature The Patented Quick Turn Hardened Stainless Steel Fastening System
  • Contoured Specifically For Each Application And Molded From A Proprietary Thermoplastic Resin
  • Mud Flaps Provide Protection For Your Vehicle Most Vulnerable Areas: Protecting The Fender And Rocker Panel From Stone Chips, Slush, Dirt And Debris
  • Laser Measured For A Perfect Fit Set Literally Mounts In Minutes
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WeatherTech – Direct-Fit, Pair, Contoured, Black, Thermoplastic, Quickturn ┐ Fastening System (Part No.120036)

Direct-Fit, Pair, Contoured, Black, Thermoplastic, Quickturn ┐ Fastening System

from

$146.99
The WeatherTech MudFlap – Laser Measured for a Perfect Fit set literally mounts-in-minutes (in most applications) without the need for wheel/tire removal, and most importantly – without the need for drilling into the vehicle fragile painted metal surface Contoured specifically for each application and molded from a proprietary thermoplastic resin, the WeatherTech MudFlap will offer undeniable vehicle protection.

Product Features:
  • Protects Your Vehicle s Fenders And Exterior From Rocks, Mud, Road Grime And Other Debris Picked Up By Vehicle s Wheels
  • Featuring The Patented QuickTurn Hardened Stainless Steel Fastening System
  • Provide Protection For Your Vehicles Most Vulnerable Rust Area
  • Protecting The Fender And Rocker Panel From Stone Chips, Slush, Dirt And Debris
  • Molded From A Proprietary Thermoplastic Resin
  • No Drilling Required And Installs In Minutes
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Dorman – Push-Type Rocker And Fender Liner Retainer – 3/8 In. Hole (Part No.963-122D)

Push-Type Rocker And Fender Liner Retainer - 3/8 In. Hole

from

$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
See More

Dorman – GM Trim Panel Clip (Part No.963-211D)

GM Trim Panel Clip

from

$4.49
Dorman offers a comprehensive line of Clip / Spring Nuts for a range of automotive applications. They are available for use with a large variety of screw sizes, throat depths, and panel ranges.

Product Features:
  • Constructed of high-quality materials for long-lasting durability
  • Many different styles are available, including threaded and wide panel
  • Packaged in a variety of piece counts for use with both small and large projects
  • Also suitable for a broad range of industrial and commercial uses
See More

Needa Parts – Panel Trim Retainer – Interior – GM/Chrysler (Part No.45478)

Panel Trim Retainer - Interior - GM/Chrysler

from

$2.49
Needa Parts, a division of the Hillman Group, is an industry leader in all types of automotive body fasteners, retainers, and clips, offering over 400 SKUs of interior, exterior, and underhood fasteners.

Product Features:
  • Needa Parts offers a complete assortment for all popular makes and models
  • Vehicle make specific fastener kits are available
  • All fasteners meet or exceed OEM standards
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KAI – Step Bumper Face Bar (Part No.GM1102563)

Step Bumper Face Bar

from

$1079.99
New Standard Replacement Rear Step Bumper Face Bar, Paint To Match, With Corner Step, With Park Assist Sensor Holes

Product Features:
  • Paint To Match, With Corner Step, With Park Assist Sensor Holes, Made Of Steel
  • 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

KAI – Step Bumper Face Bar (Part No.GM1102557)

Step Bumper Face Bar

from

$854.99
New Standard Replacement Rear Step Bumper Bar, Chrome, With Corner Step, With Park Assist Sensor Holes

Product Features:
  • Chrome, With Corner Step, With Park Assist Sensor Holes, Made Of Steel
  • 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

KAI – Step Bumper Face Bar (Part No.GM1102558)

Step Bumper Face Bar

from

$869.99
New Standard Replacement Rear Step Bumper Bar, Chrome, With Corner Step, Without Park Assist Sensor Holes

Product Features:
  • Chrome, With Corner Step, Without Park Assist Sensor Holes, Made Of Steel
  • 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

2018 GMC Sierra 3500 HD Bodies and Fender Parts

Maybe you’re in the middle of a full rebuild of that 2018 GMC Sierra 3500 HD. Maybe you just need a couple of Bodies and Fender Parts. Either way, Advance Auto Parts has 170 different Bodies and Fender Parts in our inventory ranging from $0.71 to $1,079.99. That means you can find the exact parts or products you need to keep that 2018 GMC Sierra 3500 HD running smoothly.

Bodies and Fender Parts are only as good as their brand. We stock 10 different brands to make sure you have plenty of trusted parts to choose from for your 2018 GMC Sierra 3500 HD. Dorman, ARIES, and Dee Zee are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Bodies and Fender Parts for your 2018 GMC Sierra 3500 HD, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 84 reviews in this category, some of the top rated parts include With Step Pads, 3"Round Bent, Powder Coated, Black, Steel, Frame Body Mount Bolt with 5.0 stars and Direct-Fit, Pair, Contoured, Black, Thermoplastic, Quickturn ┐ Fastening System with 5.0 stars.

So if you’re in the market for aftermarket Bodies and Fender Parts to keep your 2018 GMC Sierra 3500 HD rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Bodies and Fender Parts Brands To Make Your 2018 GMC Sierra 3500 HD Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2018 GMC Sierra 3500 HD demands trusted brand parts and products to keep it running. Many trusted brands of Bodies and Fender Parts make up Advance Auto Parts’ inventory, and all are ready to help make your Sierra 3500 HD the best it can be. Be sure to browse some of our top Bodies and Fender Parts brands and parts.

Popular Dorman Bodies and Fender Parts

We carry Dorman parts in our stock across Body Mounts categories, plus more. For a 2018 GMC Sierra 3500 HD, our most popular Dorman Bodies and Fender Parts include:
Radiator Support Kit
from $70.99
(2)
Radiator Support Kit
Body Mounts

FAQs for 2018 GMC Sierra 3500 HD Bodies and Fender Parts

What are the most purchased Bodies and Fender Parts for the 2018 GMC Sierra 3500 HD?

Out of 170 Bodies and Fender Parts for the 2018 GMC Sierra 3500 HD, the most popular in our inventory are:
GM Trim Panel Clip
from $4.49
This product is not rated
GM Trim Panel Clip
Console Clips
Metal Clip Nut No.8
from $4.49
This product is not rated
Metal Clip Nut No.8
Body Side Molding Clips
GM Bumper Retainer
from $4.49
This product is not rated
GM Bumper Retainer
Fender Splash Shields

What are the top-rated 2018 GMC Sierra 3500 HD Bodies and Fender Parts?

Top-rated Bodies and Fender Parts for your 2018 GMC Sierra 3500 HD based on customer reviews/ratings are:
With Step Pads, 3"Round Bent, Powder Coated, Black, Steel, Frame Body Mount Bolt
from $352.99
(1)
With Step Pads, 3"Round Bent, Powder Coated, Black, Steel, Frame Body Mount Bolt
“Simple and classic design. Great price range and very fast shipping. Very simple self explanatory install took me maybe 30 minutes and seem very sturd”
Direct-Fit, Pair, Contoured, Black, Thermoplastic, Quickturn ┐ Fastening System
from $146.99
(1)
Direct-Fit, Pair, Contoured, Black, Thermoplastic, Quickturn ┐ Fastening System
“Excellent fit – install was quick and easy. Finished product looks great!”
Premier 6 Oval Nerf Step Bars
from $439.99
(1)
Premier 6 Oval Nerf Step Bars
“While the core unit itself is good construction, it doesn’t come with the hardware (pipes and seals) required in order to connect to the heater hoses.”