2020 GMC Sierra 2500 HD Trunk and Tailgate Parts

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Keep Your 2020 GMC Sierra 2500 HD in Top Shape with Quality Trunk and Tailgate Parts

Whether you’re repairing or upgrading your Trunk and Tailgate Part, using high-quality parts is key to keeping your 2020 GMC Sierra 2500 HD looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Tailgate Hinge Kits, Truck and SUV Storage Chests, and Tailgate Locks. 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.

Competitive Prices and Extensive Inventory

The average price for a 2020 GMC Sierra 2500 HD Trunk and Tailgate Part at Advance Auto Parts is around $433.63, with a range that starts at $31.99 and goes up to $1,200.00. With 7 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Tailgate Lock; Contains 1 Lock and 1 Key, Crossover Low Profile, Single Lid, Diamond Tread, Black, 19.25"L X 69"W X 13.5"H, and TAILGATE LIGHT – LED start at just $46.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Trunk and Tailgate Part, don’t forget to check out other key components like Truck Beds and Vehicle Doors. At Advance Auto Parts, we’re here to help you keep your 2020 GMC Sierra 2500 HD in peak condition, inside and out.

Essential 2020 GMC Sierra 2500 HD Trunk and Tailgate Parts

McGard – Tailgate Lock; Contains 1 Lock and 1 Key (Part No.76029)

Tailgate Lock; Contains 1 Lock and 1 Key

from

$46.49
Protect your tailgate from theft! It only takes SECONDS to steal an unlocked tailgate. Designed for people who use their truck bed. Lock never needs to be removed to open or close the tailgate. Your answer for simple and effective tailgate security!

Product Features:
  • No keys or handle covers to lock and unlock.
  • Quick and easy installation, no modifications to tailgate required.
  • Strong, lightweight, stainless steel and polycarbonate construction.
See More

TrailFX – Crossover Low Profile, Single Lid, Diamond Tread, Black, 19.25"L X 69"W X 13.5"H (Part No.120693C)

Crossover Low Profile, Single Lid, Diamond Tread, Black, 19.25"L X 69"W X 13.5"H

from

$747.99
TrailFX aluminum tool boxes offer the widest selection of sizes and styles in the industry. These superior quality boxes are packed with features, yet affordably priced to fit your budget.

Product Features:
  • Strong And Durable
  • Lid Has Two Layers Of Aluminum And A Higher Density Foam Fill Than Any Of The Competitive Boxes On The Market. Twist Handle Brings A More Stylish Look Compared To Traditional Boxes
  • More Stylish Look Compared To Traditional Boxes
  • Box Does Not Block Your View From Behind
  • The Body Of The Box Features Fully TIG Welded Seams And A Patented Built-In Small Parts Storage Bin, Which Offers Convenience And Adds Strength To The End Of The Box As Well
  • Latching System Features A High-Quality Stainless Steel Latch For Lasting Durability And Convenience
  • The Patented Up-And-Over Rod Does Not Encumber The Working Space Of The Box And Keeps The Rod Out Of Harms Way, Prolonging The Life Of The Latching System
  • Tray Provides Removable Storage Space For Small Items Making It Makes It Easy To Transport Small Items To And From Your Jobsite Or Garage
  • Universal Design Allows Box To Fit Any Compact Truck
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Dee Zee – Wheel Well, Single Lid, Diamond Tread, Silver, 37 In Top L/ 14 In L X 7.75 In W (Part No.DZ95)

Wheel Well, Single Lid, Diamond Tread, Silver, 37 In Top L/ 14 In L X 7.75 In W

from

$409.99
You need your truck tool box to haul tools and supplies. You also need to take advantage of the full length of your truck bed to haul cargo, so a regular truck tool box just wont do. When space truck bed space comes at a premium the Dee Zee Wheel Well Box has the answer. Our Wheel Well Box takes advantage of the wasted space in your truck bed behind the wheel well. Constructed of strong Brite-Tread aluminum with a raw aluminum finish, our Wheel Well Box features the same rugged feel as our larger truck boxes- in a smaller tucked away version that leaves your bed open for hauling cargo. Lockable lift-up lid allows easy access without having to lower your tailgate. Fits 6 ft and 8 ft truck beds and is available for both driver and passenger side applications.

Product Features:
  • Constructed Of Strong Brite-Tread Aluminum
  • Lockable Lift Up Lid
  • Sturdy Piano Hinge Lid
  • Made In USA
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Dorman – Tailgate Marker Lights (Part No.923-026)

Tailgate Marker Lights

from

$112.99
This tailgate light is designed to match the fit and function of the original light on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this tailgate light is designed to match the fit and function of the original light on specified vehicles
  • Ideal solution – reliable replacement for a light that has failed due to moisture infiltration or collision damage
  • Durable construction – this light is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Help – Truck Tailgate Hinge Kit (Part No.38649)

Truck Tailgate Hinge Kit

from

$40.99
This tailgate hinge kit is designed to match the original parts required to restore proper tailgate alignment and function on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this tailgate hinge kit is designed to match the original parts required to restore proper tailgate alignment and function on specified vehicles
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Help – Tailgate Hardware Rebuild Kit (Part No.38912)

Tailgate Hardware Rebuild Kit

from

$236.99
This tailgate kit includes the fasteners and hardware required to repair certain areas of the tailgate on specified vehicles. The components in this kit are made of durable materials for reliable service.

Product Features:
  • Convenient solution – this tailgate kit includes the components and hardware to repair certain areas of the tailgate on specified vehicles
  • Ideal replacement – this all-in-one kit replaces failed or missing original components
  • Durable components – the hardware in this kit is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Help – Tailgate Hinge Insert Kit – and – Bed and Gate Side (Part No.38642)

Tailgate Hinge Insert Kit - and - Bed and Gate Side

from

$32.99
This tailgate hinge kit is designed to match the original parts required to restore proper tailgate alignment and function on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this tailgate hinge kit is designed to match the original parts required to restore proper tailgate alignment and function on specified vehicles
  • Ideal solution – this kit is a reliable replacement for original components that have failed due to wear
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Help – Tailgate Hinge Bushing Side (Part No.38706)

Tailgate Hinge Bushing Side

from

$31.99
This tailgate hinge bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this tailgate hinge bushing matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Most Popular Tailgate Hinge Kit for 2020 GMC Sierra 2500 HDs

Enhance your 2020 GMC Sierra 2500 HD with this popular Tailgate Hinge Kit we have in stock, for $31.99.

Dorman – Help – Tailgate Hinge Bushing Side (Part No.38706)

Tailgate Hinge Bushing Side

from

$31.99
This tailgate hinge bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this tailgate hinge bushing matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Best-Selling 2020 GMC Sierra 2500 HD Truck and SUV Storage Chest

Upgrade your Sierra 2500 HD with our best-selling Truck and SUV Storage Chest.

TrailFX – Crossover Low Profile, Single Lid, Diamond Tread, Black, 19.25"L X 69"W X 13.5"H (Part No.120693C)

Crossover Low Profile, Single Lid, Diamond Tread, Black, 19.25"L X 69"W X 13.5"H

from

$747.99
TrailFX aluminum tool boxes offer the widest selection of sizes and styles in the industry. These superior quality boxes are packed with features, yet affordably priced to fit your budget.

Product Features:
  • Strong And Durable
  • Lid Has Two Layers Of Aluminum And A Higher Density Foam Fill Than Any Of The Competitive Boxes On The Market. Twist Handle Brings A More Stylish Look Compared To Traditional Boxes
  • More Stylish Look Compared To Traditional Boxes
  • Box Does Not Block Your View From Behind
  • The Body Of The Box Features Fully TIG Welded Seams And A Patented Built-In Small Parts Storage Bin, Which Offers Convenience And Adds Strength To The End Of The Box As Well
  • Latching System Features A High-Quality Stainless Steel Latch For Lasting Durability And Convenience
  • The Patented Up-And-Over Rod Does Not Encumber The Working Space Of The Box And Keeps The Rod Out Of Harms Way, Prolonging The Life Of The Latching System
  • Tray Provides Removable Storage Space For Small Items Making It Makes It Easy To Transport Small Items To And From Your Jobsite Or Garage
  • Universal Design Allows Box To Fit Any Compact Truck
See More

Top-Quality Tailgate Locks for 2020 GMC Sierra 2500 HDs

Choose a high-quality OEM or aftermarket Tailgate Lock for GMC Sierra 2500 HDs and enjoy top-notch performance from $46.49.

McGard – Tailgate Lock; Contains 1 Lock and 1 Key (Part No.76029)

Tailgate Lock; Contains 1 Lock and 1 Key

from

$46.49
Protect your tailgate from theft! It only takes SECONDS to steal an unlocked tailgate. Designed for people who use their truck bed. Lock never needs to be removed to open or close the tailgate. Your answer for simple and effective tailgate security!

Product Features:
  • No keys or handle covers to lock and unlock.
  • Quick and easy installation, no modifications to tailgate required.
  • Strong, lightweight, stainless steel and polycarbonate construction.
See More

McGard – TAILGATE LOCK- UNIVERSAL-DISPLAY PACK (Part No.90214)

TAILGATE LOCK- UNIVERSAL-DISPLAY PACK

from

$175.99
TAILGATE LOCK- UNIVERSAL-DISPLAY PACK

Top Picks for 2020 GMC Sierra 2500 HD Tailgate Lights

Invest in one of our 3 durable Tailgate Lights for your 2020 GMC, knowing you’re getting trusted brands and expert craftsmanship.

Putco – STROBE LIGHT KIT (Part No.931800960)

STROBE LIGHT KIT

from

$1200.00
STROBE LIGHT KIT

Putco – TAILGATE LIGHT – LED (Part No.9201960-05)

TAILGATE LIGHT - LED

from

$418.99
TAILGATE LIGHT – LED

Putco – TAILGATE LIGHT – LED (Part No.9202060-05)

TAILGATE LIGHT - LED

from

$413.99
TAILGATE LIGHT – LED

FAQs for 2020 GMC Sierra 2500 HD Trunk and Tailgate Parts

What are the best-selling Trunk and Tailgate Parts for 2020 GMC Sierra 2500 HDs?

Out of 7 Trunk and Tailgate Parts that fit 2020 GMC Sierra 2500 HDs, the following parts are the top sellers:

What’s the price range for 2020 GMC Sierra 2500 HD Trunk and Tailgate Parts?

The prices of Trunk and Tailgate Parts for the 2020 GMC Sierra 2500 HD range from $31.99 up to $1,200.00 for the most premium parts.

What is the average price of a Trunk and Tailgate Part for a 2020 GMC Sierra 2500 HD?

The average price for Trunk and Tailgate Parts for the 2020 GMC Sierra 2500 HD is $433.63. Keep in mind the variety of part types within our Trunk and Tailgate 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 Trunk and Tailgate Parts for other GMC Sierra 2500 HD model years?

Yes, we carry Trunk and Tailgate Parts for 23 model years of GMC Sierra 2500 HDs between 2001 and 2025. The following model years are the most popular for Trunk and Tailgate Part purchases: 2023, 2022, 2021, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Trunk and Tailgate Parts for my 2020 GMC Sierra 2500 HD?

The cheapest 2020 GMC Sierra 2500 HD Trunk and Tailgate Parts we carry are:

Does Advance Auto Parts sell Trunk and Tailgate Parts for any other 2020 GMC models?

What types of Trunk and Tailgate Parts do you sell for my 2020 GMC Sierra 2500 HD?

As of 3/1/26, these are some of the most in-demand types of Trunk and Tailgate Parts for a 2020 GMC Sierra 2500 HD:

Can I get help with 2020 GMC Sierra 2500 HD Trunk and Tailgate Part orders?

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

What is your return policy for GMC Sierra 2500 HD Trunk and Tailgate Parts?

Advance Auto Parts keeps returns simple. For new GMC Sierra 2500 HD Trunk and Tailgate Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.