2018 GMC Sierra 1500 Bodies and Fender Parts

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Keep Your 2018 GMC Sierra 1500 in Top Shape with Quality Bodies and Fender Parts

Whether you’re repairing or upgrading your Bodies and Fender Part, using high-quality parts is key to keeping your 2018 GMC Sierra 1500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Body Mounts, Splash Shield Retainers, and Fender Splash Shields. 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 Bodies and Fender Parts from Trusted Brands

Looking for a reliable Bodies and Fender Part? We’ve got you covered with options from brands you know and trust like WeatherTech, Dorman, and TrailFX. For example, WeatherTech Bodies and Fender Parts start at just $91.99 with an average 4.1 star rating. Dorman and TrailFX offer similar pricing and quality, backed by strong customer feedback. With over 148 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 2018 GMC Sierra 1500 Bodies and Fender Part at Advance Auto Parts is around $378.44, with a range that starts at $0.79 and goes up to $2,030.00. With 120 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like Cowl Retainer, 3 Inch Round Side Bars, and 3 Inch Round Side Bars start at just $4.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Bodies and Fender 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 2018 GMC Sierra 1500 in peak condition, inside and out.

Essential 2018 GMC Sierra 1500 Bodies and Fender Parts

Lund – SX-SPORT STYLE 2PC TEXTURED (Part No.SX103TA)

SX-SPORT STYLE 2PC TEXTURED

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, . 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
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Dorman – Help – Spare Tire Hoist Cover (Part No.47830)

Spare Tire Hoist Cover

from

$44.99
This direct replacement spare tire hoist lock cylinder tube matches the original equipment part to keep debris from getting into the guide tube.

Product Features:
  • Direct replacement – this spare tire hoist lock cylinder tube matches the fit and function of the original equipment part
  • Easy to install – no special tools required to install this spare tire hoist tube
  • Durable materials – manufactured from sturdy materials for a reliable service life
  • Quality fit – this spare tire hoist lock cylinder tube has been dimensionally tested to ensure accurate fit and function
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KAI – Step Bumper Face Bar (Part No.GM1102558)

Step Bumper Face Bar

from

$929.99
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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Le Bra – Front End Cover (Part No.55861-01)

Front End Cover

from

$159.99
LeBra Front End Covers by Covercraft are a stylish accessory specifically designed to fit your vehicle. These custom front end covers protect your ride from road damage and rock chips. Constructed from a durable leather-grain vinyl that is micro-perforated for quick drying. A special knit backing is gentle on your vehicle’s finish, protecting your paint and protecting your vehicle’s value. Unexpected road damage is inevitable. The LeBra front end cover provides durable protection against small rocks and stones, insects, love bugs and road tar. Great protection, great style, it’s the easiest way to keep your vehicle protected!

Product Features:
  • Full front end coverage
  • Custom fit exactly to your vehicle
  • Installs easily with no drilling or tools
  • Leather grain vinyl
  • Protect against rock chips, bugs and road tar
  • Soft inner layer
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KAI – Step Bumper Assembly (Part No.GM1103150V)

Step Bumper Assembly

from

$929.99
New Economy Replacement Rear Step Bumper Assembly, Chrome, Without Park Assist Sensor Holes, For 2500/3500 Series Single Rear Wheel, Includes Stabilizer Bar/Chrome End Caps/Outer Pads/Brackets/Braces And Light

Product Features:
  • Chrome, Without Park Assist Sensor Holes, For 2500/3500 Series Single Rear Wheel, Includes Stabilizer Bar/Chrome End Caps/Outer Pads/Brackets/Braces And Light, 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

Dorman – Rivet-Push In-Hole Diameter .250 In. (Part No.799-110)

Rivet-Push In-Hole Diameter .250 In.

from

$5.99
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring Length 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 Length-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

WeatherTech – Direct-Fit, Pair, Contoured, Black, Thermoplastic, Quickturn ┐ Fastening System (Part No.120011)

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

from

$91.99
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:
  • Protects Your Vehicle Fenders And Exterior From Rocks, Mud, Road Grime And Other Debris Picked Up By Vehicle 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
See More

Dorman – Blind Rivet Retainer-GM-Diameter 3/16 In. (sold by each) (Part No.700-038)

Blind Rivet Retainer-GM-Diameter 3/16 In. (sold by each)

from

$1.29
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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COAST TO COAST – Direct-Fit, Chrome Plated, 4 Piece (Part No.CCISM607)

Direct-Fit, Chrome Plated, 4 Piece

from

$169.99
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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Dorman – Nylon Cowl Retainers (Part No.961-362)

Nylon Cowl Retainers

from

$2.99
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring Length 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 Length-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

KAI – Rocker Panel (Part No.RRP1523)

Rocker Panel

from

$73.99
New Standard Replacement Driver Side Rocker Panel, Inner, 57 X 7 X 1.5

Product Features:
  • Inner, 57 X 7 X 1.5, 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 – Rocker Panel (Part No.RRP3937)

Rocker Panel

from

$303.99
New Standard Replacement Driver Side Rocker Panel, Crew Cab, 87 X 9

Product Features:
  • Crew Cab, 87 X 9, 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

Dorman – Spare Tire Hoist Assembly (Part No.924-510)

Spare Tire Hoist Assembly

from

$109.99
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
See More

Dorman – Spare Tire Hoist Assembly (Part No.924-549)

Spare Tire Hoist Assembly

from

$90.99
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
See More

Dee Zee – With Step Pads, 3 Inch Round Bent, Polished, Ss, Frame Body Mount Bolts (Part No.DZ372523)

With Step Pads, 3 Inch Round Bent, Polished, Ss, Frame Body Mount Bolts

from

$383.99
Dee Zee Nerf Steps – A tubular side step for your vehicle. Constructed of black powder coated steel. 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
  • 2 Pads On The Bar
  • Molded Plastic Step Pads Provide Non-Skid Stepping Areas. Powder Coated Steel Braces
  • 3 Inch Round Tube Steps. Durable Steel Construction. Protective UltraBlack Finish. Custom Fit Application Ensures Quick And Easy Installation
  • 3 Inch Round Tube Steps. Durable Steel Construction. Protective UltraBlack Finish. Custom Fit Application Ensures Quick And Easy Installation
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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

$292.99
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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Dorman – Cowl Retainer (Part No.961-362D)

Cowl 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
See More

Dorman – Radiator Support Kit (Part No.924-130)

Radiator Support Kit

from

$75.99
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
See More

Dorman – Truck Bed Mounting Hardware (Part No.926-846)

Truck Bed Mounting Hardware

from

$38.99
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
See More

KAI – Fender Liner (Part No.GM1247110)

Fender Liner

from

$23.99
New Standard Replacement Passenger Side Fender Liner, 99-07 Silverado 1500, 99-07 Sierra And Silverado 2500 Series, 03-06 Avalanche 1500 Without Textured Cladding

Product Features:
  • 99-07 Silverado 1500, 99-07 Sierra And Silverado 2500 Series, 03-06 Avalanche 1500 Without Textured Cladding, Made Of Polypropylene
  • 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 – Fender Liner (Part No.GM1246110)

Fender Liner

from

$27.99
New Standard Replacement Driver Side Fender Liner, Avalanche 1500 Without Textured Cladding

Product Features:
  • Avalanche 1500 Without Textured Cladding, Made Of Polypropylene
  • 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 – Fender Brace (Part No.GM1245106)

Fender Brace

from

$92.99
New Standard Replacement Passenger 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
See More

KAI – Fender Brace (Part No.GM1244107)

Fender Brace

from

$65.99
New Standard Replacement Driver Side Fender Brace, Liner Bracket

Product Features:
  • Liner 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
See More

Dorman – Drive Type Rivet-GM-Hole SIze-6.5mm, Diameter 18mm (Part No.963-208)

Drive Type Rivet-GM-Hole SIze-6.5mm, Diameter 18mm

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
See More

Dorman – Push-Type Retainer – Chevrolet (sold by each) (Part No.700-061)

Push-Type Retainer - Chevrolet (sold by each)

from

$0.79
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring Length 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 Length-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

TrailFX – With Step Pads, 6" Oval Bent Side Bars, Polished, Ss, With Welded End Caps (Part No.A8252S)

With Step Pads, 6" Oval Bent Side Bars, Polished, Ss, With Welded End Caps

from

$756.99
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 – 4 In Oval Bent: Polished Stainless Steel: Welded End Caps: Ext. Cab (Part No.A1002S)

4 In Oval Bent: Polished Stainless Steel: Welded End Caps: Ext. Cab

from

$545.99
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 vehicles contours for a sleek and stylish look. With TrailFX step products, a custom look doesn’t 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
  • Steel Mounting Brackets Are Included To Install Steps With Ease: Oval Step Shape Offers A Wider Stepping Area For Secure Footing
  • 60 Degree Bent Ends Tuck Into The Vehicle Body Which Offer A Smooth, Seamless Look
  • Larger Step For Secure Footing, Easy Vehicle Access With Slip-resistant Molded Step Pad
  • Custom Designed For Each Application. Easy To Install
  • Includes Mounting Brackets
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TrailFX – Powder Coated, Black, Steel, Unlighted, Rocker Panel Mount, 300 Pound Capacity (Part No.RBW02B)

Powder Coated, Black, Steel, Unlighted, Rocker Panel Mount, 300 Pound Capacity

from

$558.99
Whether you are looking for additional traction or easier vehicle entry, TrailFX Running Boards offer a rigid yet attractive solution for trucks, vans, and SUVs. Spanning the full length of the vehicle, these running boards are designed to withstand and deflect the elements, dirt, and debris. Constructed with high quality materials, and designed with style in mind, TrailFX Running Boards are an essential addition to any personal or professional vehicle.

Product Features:
  • Heavy Duty 14-Gauge, Precision Stamped Carbon Steel Deck Is E-Coated And Finished In Industrial Grade Powder Coat To Resist Rust And Corrosion
  • 6.5 Inch Wide Stepping Area, Which Runs The Full-Length Of The Vehicle Features Aggressive Traction Lugs Designed For Maximum Footing In All Weather Conditions
  • 1-Piece Stamped Steel End Caps Are Welded Directly To The Deck
  • Track Mounting System Allows For Multiple Mounting Positions To Clear Mud Flaps
  • Provides Moderate Protection Against Road Hazards And Debris
  • Fully E-Coated Brackets Are Included Along With Required Hardware And Instructions For Easy Installation
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Most Popular Body Mounts for 2018 GMC Sierra 1500s

Enhance your 2018 GMC Sierra 1500 with one of the 2 Body Mounts we have in stock, starting at just $38.99.

Dorman – Truck Bed Mounting Hardware (Part No.926-846)

Truck Bed Mounting Hardware

from

$38.99
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
See More

Dorman – Body Mount Kit (Part No.523-540)

Body Mount Kit

from

$151.99
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
See More

Best-Selling 2018 GMC Sierra 1500 Splash Shield Retainer

Upgrade your Sierra 1500 with our best-selling Splash Shield Retainer.

Dorman – Nylon Cowl Retainers (Part No.961-362)

Nylon Cowl Retainers

from

$2.99
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring Length 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 Length-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

Top-Quality Fender Splash Shields for 2018 GMC Sierra 1500s

Choose a high-quality OEM or aftermarket Fender Splash Shield for GMC Sierra 1500s and enjoy top-notch performance from $4.99.

Dorman – Push-Pull Rivet-Rocker Panel – 9 mm Hole, 22 mm Stem, 15 mm Head (Part No.963-093D)

Push-Pull Rivet-Rocker Panel - 9 mm Hole, 22 mm Stem, 15 mm Head

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
See More

Top Picks for 2018 GMC Sierra 1500 Fender Liners

Invest in one of our 2 durable Fender Liners for your 2018 GMC, knowing you’re getting trusted brands and expert craftsmanship.

KAI – Fender Liner (Part No.GM1249239)

Fender Liner

from

$47.99
New Standard Replacement Passenger Side Fender Liner

Product Features:
  • 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

KAI – Fender Liner (Part No.GM1248239)

Fender Liner

from

$46.99
New Standard Replacement Driver Side Fender Liner, 1500 Models

Product Features:
  • 1500 Models, 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

Top-Rated Splash Guard (Mud Flap) for 2018 GMC Sierra 1500s

Make a smart move for your 2018 GMC Sierra 1500 with products all priced from $31.99 to $91.99.

WeatherTech – Direct-Fit, Pair, Contoured, Black, Thermoplastic, Quickturn ┐ Fastening System (Part No.120036)

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

from

$91.99
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
See More

WeatherTech – Direct-Fit, Pair, Contoured, Black, Thermoplastic, Quickturn ┐ Fastening System (Part No.110036)

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

from

$91.99
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:
  • Protects Your Vehicle Fenders And Exterior From Rocks, Mud, Road Grime And Other Debris Picked Up By Vehicle Wheels
  • Featuring The Patented QuickTurn Hardened Stainless Steel Fastening System
  • Provide Protection For Your Vehicle 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
See More

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

$31.99
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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Dee Zee – Multi-Fit, 11" X 19", Set Of 2, Rectangle With Radius Notch, Black, Aluminum (Part No.DZ1808TB)

Multi-Fit, 11" X 19", Set Of 2, Rectangle With Radius Notch, Black, Aluminum

from

$50.99
The oft overlooked mudflap. One of those protective accessories you Do not realize you need until it is too late. Rocks, sticks, and other road debris can wreak havoc on your cars finish and underside. Dee Zee Mud Flaps protect your vehicle and trailer from damage and add a classic stylistic element to your vehicle.

Product Features:
  • Classic Styling Of Brite-Tread Aluminum
  • Front Or Rear Wheel Protection
  • Radius Notch Contours To The Fender Well
  • Protected By A BriteGard Powder Coat Finish
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Dee Zee – 11"X 19 Inch, Set of 2, Rectangle With Radius Notch, Aluminum, Screw On (Part No.DZ1808)

11"X 19 Inch, Set of 2, Rectangle With Radius Notch, Aluminum, Screw On

from

$41.99
Dee Zee Flaps Protect your vehicle and trailer from rocks and messy conditions. Wider than most brands for maximum protection. Constructed of powder coated Brite-Tread aluminum.

Product Features:
  • Protect Your Vehicle And Trailer From Rocks And Messy Conditions
  • Classic Diamond Style Design
  • Protected By A BriteGard Powder Coat Finish
  • Compliment Brite-Tread Running Boards
See More

Top-Rated Bodies and Fender Part Brands For Your 2018 GMC Sierra 1500

When it comes to finding the perfect Bodies and Fender Part for your 2018 GMC Sierra 1500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 12 trusted brands. We carry the most popular Bodies and Fender Part brands including TrailFX, Dorman, and WeatherTech, and more, all known for their exceptional customer ratings (average brand rating of 5.0 stars) and competitive prices, as low as $4.99. Purchasing a Bodies and Fender Part from us here at Advance Auto Parts is a smart move for both you and your 2018 GMC Sierra 1500, providing peace of mind with parts that meet or exceed OEM standards.

Popular TrailFX 2018 GMC Sierra 1500 Bodies and Fender Parts

If you’re looking for a top-quality Bodies and Fender Part for your 2018 GMC Sierra 1500, Advance Auto Parts has exactly what you need with our selection of TrailFX Bodies and Fender Parts. We have 1 TrailFX Bodies and Fender Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $258.99, you’ll find the perfect Bodies and Fender Part for your needs and budget. TrailFX Bodies and Fender Parts for the 2018 GMC Sierra 1500 come highly rated, with over 1 customer reviews and an impressive average rating of 5.0 stars. Choosing a TrailFX Bodies and Fender Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
With Step Pads, 3"Round Bent, Powder Coated, Black, Steel, Frame Body Mount Bolt
from $258.99
(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”

Top-Quality Dorman 2018 GMC Sierra 1500 Bodies and Fender Parts

For those in search of a high-quality Bodies and Fender Part for their 2018 GMC Sierra 1500, Advance Auto Parts offers a great selection of Dorman Bodies and Fender Parts. With 2 Dorman Bodies and Fender Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Bodies and Fender Parts start at just $4.99, with an average price of $57.49, giving you a range of options to suit your budget. Backed by over 5 customer ratings and an average rating of 4.2 stars, Dorman Bodies and Fender Parts provide both reliability and excellent performance. Choosing a Dorman Bodies and Fender Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Spare Tire Hoist Assembly
from $109.99
(3)
Spare Tire Hoist Assembly
“perfect fit and function,use your promo codes and speed perks,get a great price.”
GM Blind Rivet Retainer - Diameter 3/16 In.
from $4.99
(2)
GM Blind Rivet Retainer – Diameter 3/16 In.
“Wow so the Traverse middle row roof window… The bracket that locks the cover broke.. After many failed starts I went to Advanced on Miller Rd columb”

FAQs for 2018 GMC Sierra 1500 Bodies and Fender Parts

What are the best-selling Bodies and Fender Parts for 2018 GMC Sierra 1500s?

Out of 120 Bodies and Fender Parts that fit 2018 GMC Sierra 1500s, the following parts are the top sellers:

What’s the price range for 2018 GMC Sierra 1500 Bodies and Fender Parts?

The prices of Bodies and Fender Parts for the 2018 GMC Sierra 1500 range from $0.79 up to $2,030.00 for the most premium parts.

What is the average price of a Bodies and Fender Part for a 2018 GMC Sierra 1500?

The average price for Bodies and Fender Parts for the 2018 GMC Sierra 1500 is $378.44. Keep in mind the variety of part types within our Bodies and Fender 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 Bodies and Fender Parts for other GMC Sierra 1500 model years?

Yes, we carry Bodies and Fender Parts for 26 model years of GMC Sierra 1500s between 1999 and 2026. The following model years are the most popular for Bodies and Fender Part purchases: 2023, 2022, 2021, 2020, 2019, 2017, 2016, 2015, and 2014.

What are the cheapest Bodies and Fender Parts for my 2018 GMC Sierra 1500?

The cheapest 2018 GMC Sierra 1500 Bodies and Fender Parts we carry are:

Does Advance Auto Parts sell Bodies and Fender Parts for any other 2018 GMC models?

What are the top-rated Bodies and Fender Parts that fit the 2018 GMC Sierra 1500?

Based on 148 reviews by customers, our 2018 GMC Sierra 1500 Bodies and Fender Parts have an average customer rating of 4 stars. These are the highest-rated categories of Bodies and Fender Parts for the 2018 GMC Sierra 1500 and their top-rated products:

What types of Bodies and Fender Parts do you sell for my 2018 GMC Sierra 1500?

As of 3/1/26, these are some of the most in-demand types of Bodies and Fender Parts for a 2018 GMC Sierra 1500:

Can I get help with 2018 GMC Sierra 1500 Bodies and Fender Part orders?

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

What is your return policy for GMC Sierra 1500 Bodies and Fender Parts?

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