2018 GMC Sierra 3500 HD Bodies and Fender Parts

Essential 2018 GMC Sierra 3500 HD Bodies and Fender Parts

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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Lund – Sport Style Fender Flare Set (Part No.SX110T)

Sport Style Fender Flare Set

from

$398.99
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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TrailFX – 5"Oval Straight, Polished, Ss, With Step Pad/Welded End Cap, Rocker Panel Mount (Part No.A7089S)

5"Oval Straight, Polished, Ss, With Step Pad/Welded End Cap, Rocker Panel Mount

from

$502.99
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:
  • Rocker Panel Mount
  • 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
  • Oval Step Shape Offers A Wider Stepping Area For Secure Footing
  • Provides Moderate Protection Against Road Hazards And Debris
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TrailFX – With Step Pads, 4 Inch Oval Straight, Polished, Ss, Rocker Panel Mount (Part No.A1528S)

With Step Pads, 4 Inch Oval Straight, Polished, Ss, Rocker Panel Mount

from

$426.99
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:
  • Rocker Panel Mount
  • Drilling Not Required
  • 2 Pads On The Bar
  • 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
  • Oval Step Shape Offers A Wider Stepping Area For Secure Footing
  • Provides Moderate Protection Against Road Hazards And Debris
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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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Dee Zee – Multi-Fit, 11" X 18", Set Of 2, Contoured Rectangle, Composite Material (Part No.DZ17939)

Multi-Fit, 11" X 18", Set Of 2, Contoured Rectangle, Composite Material

from

$28.49
Dee Zee Flaps Protect your vehicle and trailer from rocks and messy conditions. Wider than most brands for maximum protection. Black Composite material fits any truck, van or SUV. Universal 11 Inch X 15 Inch Notched 1 pair front or rear flaps and mounting hardware. The road can be a scary place for your vehicle. Rocks, sticks and other debris can wreak havoc on your finish and cause hundreds or even thousands of dollars worth of damage.

Product Features:
  • Protect Your Vehicle And Trailer From Rocks And Messy Conditions
  • Universal Fitting
  • Easy No Drill Installation
  • Perfect Compliment Nerf Bars
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Dorman – GM Bumper Retainer (Part No.961-070D)

GM Bumper 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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Dorman – Splash Shield Clip – Honda (sold by each) (Part No.700-079)

Splash Shield Clip - Honda (sold by each)

from

$0.99
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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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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ARIES – 6 Inch Oval Side Bar Mounting Brackets (Part No.4490)

6 Inch Oval Side Bar Mounting Brackets

from

$75.99
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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KAI – Fender Brace (Part No.GM1244105)

Fender Brace

from

$44.99
New Standard Replacement Driver 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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KAI – Fender Brace (Part No.GM1244106)

Fender Brace

from

$69.99
New Standard Replacement Driver Side Fender Rear Upper Brace

Product Features:
  • 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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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
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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
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KAI – Rocker Panel (Part No.RRP3792)

Rocker Panel

from

$94.99
New Standard Replacement Passenger Side Rocker Panel, Crew Cab, 79.75 X 6.63 X 3.25

Product Features:
  • Crew Cab, 79.75 X 6.63 X 3.25, 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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KAI – Rocker Panel (Part No.RRP3144)

Rocker Panel

from

$58.99
New Standard Replacement Passenger Side Rear Inner Rocker Panel, 58.5 X 1 X 9, Crew Cab Only

Product Features:
  • 58.5 X 1 X 9, Crew Cab Only, 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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Dorman – Nylon Grill Bumper Retainer (Part No.961-364)

Nylon Grill Bumper Retainer

from

$3.99
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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Dorman – Honda Splash Shield Retainer (Part No.961-037D)

Honda 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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Dorman – GM Blind Rivet Retainer – Diameter 3/16 In. (Part No.963-205D)

GM Blind Rivet Retainer - Diameter 3/16 In.

from

$4.49
Dorman offers a comprehensive variety of rivets for almost any automotive fastening job. They’re available in a broad variety of lengths, head diameters, hole diameters, and grip ranges.

Product Features:
  • Available in blind, push-in and screw-in styles
  • Constructed of high-quality materials for long-lasting durability
  • Also suitable for a broad variety of industrial and commercial uses
  • Packaged in a variety of piece counts for use with both small and large projects
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Dorman – Windshield Garnish Clip – Exterior (Part No.963-211)

Windshield Garnish Clip - Exterior

from

$4.99
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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Dee Zee – With Step Pads, 3 Inch Round Bent, Black, Steel, Frame Body Mount Bolts (Part No.DZ372511)

With Step Pads, 3 Inch Round Bent, Black, Steel, Frame Body Mount Bolts

from

$281.99
Dee Zee Nerf Steps – A tubular side step for your vehicle. 3 Inch round design. Molded plastic step pads provide non-skid stepping areas. Hidden but sturdy bracing and hardware is coated to help prevent rust and keep your tubes strong.

Product Features:
  • Mounting Kit Included
  • Frame Body Mount Bolts
  • Drilling Not Required
  • 1 Pad On The Bar
  • Molded Plastic Step Pads Provide non skid Stepping Areas. Powder Coated Steel Braces
  • 3 Inch Round Tube Steps. Custom Fit Application Ensures Quick And Easy Installation
  • 3 Inch Round Tube Steps. Custom Fit Application Ensures Quick And Easy Installation
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Westin – R5 Modular Wheel to Wheel Nerf Step Bars (Part No.28-534575)

R5 Modular Wheel to Wheel Nerf Step Bars

from

$783.99
Get a boost, with Westins R5 M-Series Wheel-To-Wheel Nerf Step Bars. The extra wide 5″ footprint step design provides easier and safer vehicle access for both drivers and passengers. Developed and engineered in the USA, the R5 M-Series Wheel-to-Wheel Nerf Step Bars feature three oversized skid resistant step pads allowing easy access to the vehicle cab or truck bed cargo area. Built with high-grade and corrosion resistant steel designed to mount directly to your vehicles existing rocker panels. The modular design saves you money on shipping, as no truck freight costs are required. Also included are injection molded bracket covers for a clean and stylish look. Westins exclusive Isolator Bracket supports the step bar past the truck cab, a feature that competitors do not offer. Without an Isolator Bracket, the step area that extends past the vehicle is left unsupported. Westins unique design provides added bar support without resulting in annoying creaking sounds.

Product Features:
  • Stylish Wheel To Wheel Length Step Bars
  • Modular Design Saves You Money On Shipping
  • Incl. Third Step For Easy Truck Bed Access
  • Injection Molded Polymer Step Pad
  • Rocker Panel Mounted
  • Injection Molded Bracket Covers Incl. On Some Apps
  • Incl. Exclusive Isolator Bracket/Mount Kit
  • Optional Light Kit For End Caps Available
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Dorman – Truck Bed Mounting Hardware (Part No.926-846)

Truck Bed Mounting Hardware

from

$35.49
Truck bed loose from rusted or missing hardware? This truck bed mounting hardware matches the fit of the original equipment mounting hardware to securely remount the truck bed to the frame.

Product Features:
  • Ideal replacement – this bed mounting hardware kit contains all the necessary components to completely remount the truck bed to the frame
  • Durable construction – this truck bed hardware is finished with a corrosion-resistant coating for a long service life
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone try-on, corrosion and material testing to ensure a quality fit and long service life
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Dorman – Body Mount Position No. 1 (Part No.924-131)

Body Mount Position No. 1

from

$58.99
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 – Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In (sold by each) (Part No.700-575)

Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In (sold by each)

from

$2.29
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 – Honda Splash Shield Retainer (Part No.700-079CD)

Honda Splash Shield Retainer

from

$4.99
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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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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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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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 199 different Bodies and Fender Parts in our inventory ranging from $2.29 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 12 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 129 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 Premier 6 Oval Nerf Step Bars with 2.0 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 199 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
Fender Splash Shields
GM Bumper Retainer
from $4.49
This product is not rated
GM Bumper Retainer
Splash Shield Retainers
3 Inch Round Side Bars
from $164.99
This product is not rated
3 Inch Round Side Bars
Side Bars and Sideskirts

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”
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.”
Multi-Fit, 11" X 18", Set Of 2, Contoured Rectangle, Composite Material
from $28.49
(1)
Multi-Fit, 11" X 18", Set Of 2, Contoured Rectangle, Composite Material
“Thought online pic had more contour for fit. These are pretty flat and cheap looking. Can I return these?”