2012 GMC Sierra 3500 HD Bodies and Fender Parts

Keep Your 2012 GMC Sierra 3500 HD 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 2012 GMC Sierra 3500 HD 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 Dorman, TrailFX, and Westin. For example, Dorman Bodies and Fender Parts start at just $5.99 with an average 4.2 star rating. TrailFX and Westin offer similar pricing and quality, backed by strong customer feedback. With over 72 reviews and a solid 4 star average, you can shop with confidence knowing other GMC Sierra 3500 HD owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2012 GMC Sierra 3500 HD Bodies and Fender Part at Advance Auto Parts is around $347.80, with a range that starts at $1.29 and goes up to $1,054.99. With 196 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like GM Trim Panel Clip, GM Splash Shield Retainer, and GM Bumper Retainer 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 2012 GMC Sierra 3500 HD in peak condition, inside and out.

Essential 2012 GMC Sierra 3500 HD Bodies and Fender Parts

KAI – Rocker Panel (Part No.RRP3916)

Rocker Panel

from

$236.99
New Standard Replacement Passenger Side Rocker Panel, Standard Cab, 49 X 12

Product Features:
  • Standard Cab Models, 49 X 12, 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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TrailFX – With Step Pads, 3 Inch Round Bent, Polished, Ss, Rocker Panel Mount (Part No.A0032S)

With Step Pads, 3 Inch Round Bent, Polished, Ss, Rocker Panel Mount

from

$324.99
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
  • Rounded Step Shape Prevents Snow And Dirt Accumulation
  • Provides Moderate Protection Against Road Hazards And Debris
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Dorman – GM Splash Shield Retainer (Part No.963-405D)

GM 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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Westin – Premier Oval Nerf Step Bar Mount Kit (Part No.22-1075)

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 – Windshield Garnish Clip – Exterior (Part No.963-211)

Windshield Garnish Clip - Exterior

from

$5.29
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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KAI – Wheel Arch Panel (Part No.RRP997)

Wheel Arch Panel

from

$147.99
New Standard Replacement Passenger Side Rear Upper Wheel Arch Patch, 6 Foot And 8 Foot Beds, 48 X 18 X 2

Product Features:
  • 6 Foot And 8 Foot Beds, 48 X 18 X 2, 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 Liner (Part No.GM1248233)

Fender Liner

from

$44.99
New Standard Replacement Driver Side Fender Liner, 2500/3500 Series

Product Features:
  • 2500/3500 Series, 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
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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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KAI – Fender (Part No.GM1241342PP)

Fender

from

$597.99
New CAPA Certified Premium Replacement Passenger Side Fender

Product Features:
  • Made Of Galvanized High Strength 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 – Center Console Lid Replacement (Part No.924-835)

Center Console Lid Replacement

from

$163.99
This replacement console lid restores the appearance and function of a worn or damaged original equipment lid. Made of durable materials, this direct replacement part is designed for long-lasting durability.

Product Features:
  • Ideal replacement – this console lid matches the fit and function of the original equipment lid
  • Durable construction – this console cover is made from quality materials for durability
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
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Dorman – Front Fender Retainer – Honda (sold by each) (Part No.700-626)

Front Fender Retainer - Honda (sold by each)

from

$1.29
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
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Westin – PRO TRAXX 4 Oval Nerf Step Bars (Part No.21-21680)

PRO TRAXX 4 Oval Nerf Step Bars

from

$516.99
Westins Pro Traxx 4 Oval Nerf Step Bars feature a 4″ 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. A

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
  • 4 in. Wide Step Area With Westin Logo
  • Bolt On Installation; No Drill Required
  • Limited Warranty
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KAI – Fender Brace (Part No.GM1244106)

Fender Brace

from

$76.99
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
See More

GM Genuine Parts – Multi-Purpose Pigtail (Part No.PT2882)

Multi-Purpose Pigtail

from

$69.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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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

$2.99
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

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

Panel Trim Retainer - Interior - GM/Chrysler

from

$2.79
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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Covercraft – Custom Hood Protector, Vinyl, Black (Part No.45135-01)

Custom Hood Protector, Vinyl, Black

from

$65.99
Custom Hood Protectors by Covercraft are a sporty accessory that protects your vehicle’s hood. Custom made to fit your specific vehicle. Constructed from a durable leather-grain vinyl that is micro-perforated for quick drying. No need to remove it when wet. A special knit backing is gentle on your vehicle’s finish, protecting your paint and protecting your vehicle’s value. A CHP is a great alternative choice of protection from a full front-end cover. Unexpected road damage is inevitable. Great protection, great style, it’s the easiest way to keep your vehicle in pristine condition!

Product Features:
  • Protects vehicle’s hood from bugs or rock chips
  • Low profile, aerodynamic design
  • Installs in less than 5 minutes, no tools required
  • Custom fit exactly to your vehicle
  • Leather grain vinyl
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Lund – Sx-Sport Style 2Pc Smooth (Part No.SX110SA)

Sx-Sport Style 2Pc Smooth

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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Lund – Ex-Extrawide Style 2Pc Texturd (Part No.EX109TA)

Ex-Extrawide Style 2Pc Texturd

from

$268.99
LUND’s EX-ExtraWide Style flare series offers a blend between factory style looks and off-road flare. Designed for larger tires and wheels, this wide style is an excellent choice for all trucks with oversized wheels and tires. Even if you haven’t added giant tires that stick out from the stock wheel arches, you still might like the burly look of the wider flares. Depending on the model application, the extra 4-6 inches of body coverage is also a quick fix for hiding rust and other fender blemishes, reducing the need for expensive paint and bodywork. The extra width of coverage for the tires ensures optimum vehicle body protection from rocks and road debris, keeping paint and body damage to a minimum. This durable extra-wide 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 EX-ExtraWide Style flares are made with Tri-Flex ABS thermoplastic material to allow for maximum strength and flexibility – built to last, .Straight from the die, the flare has a satiny (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 you use to wash your vehicle to clean the flares as well.

Product Features:
  • Provides Extra Coverage On Larger Tire Packages
  • Extra Fender Coverage Protects From Debris
  • Made From Durable OEM-Style ABS Plastic
  • Can Be Prepped, Primed And Painted
  • Installs With Out Drilling
  • Covers Rust And Fender Blemishes
  • Mounting Hardware Included
  • Designed For Perfect Fitment
  • UV Resistant From Color Fading
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
See More

Dorman – Ford, GM Fender Retainer (Part No.961-366D)

Ford, GM Fender 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

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

KAI – Step Bumper Assembly (Part No.GM1103148V)

Step Bumper Assembly

from

$919.99
New Economy Replacement Rear Step Bumper Assembly, Chrome, With Park Assist Sensor Holes, For 1500 Series, Includes Impact Bar/End Caps/Outer Pads/Brackets/Braces And Light Kit

Product Features:
  • Chrome, With Park Assist Sensor Holes, For 1500 Series, Includes Impact Bar/End Caps/Outer Pads/Brackets/Braces And Light Kit, 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 Assembly (Part No.GM1103147V)

Step Bumper Assembly

from

$904.99
New Economy Replacement Rear Step Bumper Assembly, Chrome, Without Park Assist Sensor Holes, For 1500 Series, Includes Hitch Reinforcement/Impact Bar/Chrome End Caps/Outer Pads/ Brackets/Braces And Light

Product Features:
  • Chrome, Without Park Assist Sensor Holes, For 1500 Series, Includes Hitch Reinforcement/Impact 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 – GM Body Mount Kit (Part No.924-335)

GM Body Mount Kit

from

$94.99
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 – Body Mount Position No. 1 (Part No.924-131)

Body Mount Position No. 1

from

$62.99
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

Most Popular Body Mounts for 2012 GMC Sierra 3500 HDs

Enhance your 2012 GMC Sierra 3500 HD with one of the 3 Body Mounts we have in stock, starting at just $38.99.

Dorman – GM Body Mount Kit (Part No.924-335)

GM Body Mount Kit

from

$94.99
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 – Body Mount Position No. 1 (Part No.924-131)

Body Mount Position No. 1

from

$62.99
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

Best-Selling 2012 GMC Sierra 3500 HD Splash Shield Retainer

Upgrade your Sierra 3500 HD with our best-selling Splash Shield Retainer.

Dorman – Drive Type Rivet-GM-Hole Size-8.25mm-Diameter 20mm (Part No.963-210)

Drive Type Rivet-GM-Hole Size-8.25mm-Diameter 20mm

from

$9.49
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

Top-Quality Fender Splash Shields for 2012 GMC Sierra 3500 HDs

Choose a high-quality OEM or aftermarket Fender Splash Shield for GMC Sierra 3500 HDs and enjoy top-notch performance from $1.29.

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

GM Trim Panel Clip

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
See More

Dorman – GM Drive Type Rivet (Part No.963-210D)

GM Drive Type Rivet

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-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

Dorman – Windsheild Garnish Clip-exterior-GM (sold by each) (Part No.700-052)

Windsheild Garnish Clip-exterior-GM (sold by each)

from

$1.29
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

Top Picks for 2012 GMC Sierra 3500 HD Fender Liner Retainers

Invest in one of our 2 durable Fender Liner Retainers for your 2012 GMC, knowing you’re getting trusted brands and expert craftsmanship.

Dorman – GM Bumper Retainer (Part No.961-070D)

GM Bumper 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 – 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

$2.99
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

Fender Liners for 2012 GMC Sierra 3500 HDs

Make a smart move for your 2012 GMC Sierra 3500 HD with products all priced from $44.99 to $56.99.

KAI – Fender Liner (Part No.GM1249189C)

Fender Liner

from

$56.99
New CAPA Certified 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.GM1249233)

Fender Liner

from

$44.99
New Standard Replacement Passenger Side Fender Liner, 2500/3500

Product Features:
  • 2500/3500, 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.GM1248233)

Fender Liner

from

$44.99
New Standard Replacement Driver Side Fender Liner, 2500/3500 Series

Product Features:
  • 2500/3500 Series, 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 Bodies and Fender Part Brands For Your 2012 GMC Sierra 3500 HD

When it comes to finding the perfect Bodies and Fender Part for your 2012 GMC Sierra 3500 HD, 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 Westin, and more, all known for their exceptional customer ratings (average brand rating of 5.0 stars) and competitive prices, as low as $5.99. Purchasing a Bodies and Fender Part from us here at Advance Auto Parts is a smart move for both you and your 2012 GMC Sierra 3500 HD, providing peace of mind with parts that meet or exceed OEM standards.

Popular TrailFX 2012 GMC Sierra 3500 HD Bodies and Fender Parts

If you’re looking for a top-quality Bodies and Fender Part for your 2012 GMC Sierra 3500 HD, 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 2012 GMC Sierra 3500 HD 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 2012 GMC Sierra 3500 HD Bodies and Fender Parts

For those in search of a high-quality Bodies and Fender Part for their 2012 GMC Sierra 3500 HD, Advance Auto Parts offers a great selection of Dorman Bodies and Fender Parts. With 1 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 $5.99, giving you a range of options to suit your budget. Backed by over 1 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.
Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In
from $5.99
(1)
Rivet-Push In-Hole Diameter .500 In-Head Diameter 1 In-Length .900 In
“Used these to replace a couple broken rivets in fan shroud, and they fit well and worked great.”

FAQs for 2012 GMC Sierra 3500 HD Bodies and Fender Parts

What are the best-selling Bodies and Fender Parts for 2012 GMC Sierra 3500 HDs?

Out of 196 Bodies and Fender Parts that fit 2012 GMC Sierra 3500 HDs, the following parts are the top sellers:

What’s the price range for 2012 GMC Sierra 3500 HD Bodies and Fender Parts?

The prices of Bodies and Fender Parts for the 2012 GMC Sierra 3500 HD range from $1.29 up to $1,054.99 for the most premium parts.

What is the average price of a Bodies and Fender Part for a 2012 GMC Sierra 3500 HD?

The average price for Bodies and Fender Parts for the 2012 GMC Sierra 3500 HD is $347.80. 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 3500 HD model years?

Yes, we carry Bodies and Fender Parts for 17 model years of GMC Sierra 3500 HDs between 2007 and 2025. The following model years are the most popular for Bodies and Fender Part purchases: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Bodies and Fender Parts for my 2012 GMC Sierra 3500 HD?

The cheapest 2012 GMC Sierra 3500 HD Bodies and Fender Parts we carry are:

Does Advance Auto Parts sell Bodies and Fender Parts for any other 2012 GMC models?

What are the top-rated Bodies and Fender Parts that fit the 2012 GMC Sierra 3500 HD?

The one 2012 GMC Sierra 3500 HD Bodies and Fender Part we have in stock is the Windsheild Garnish Clip-exterior-GM (sold by each). It costs $1.29.

What types of Bodies and Fender Parts do you sell for my 2012 GMC Sierra 3500 HD?

As of 11/2/25, these are some of the most in-demand types of Bodies and Fender Parts for a 2012 GMC Sierra 3500 HD:

Can I get help with 2012 GMC Sierra 3500 HD 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 3500 HD Bodies and Fender Parts?

Advance Auto Parts keeps returns simple. For new GMC Sierra 3500 HD 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.