Garage
Shop

2018 Chevrolet Silverado 3500 HD


Loading...
C2-690tx main

JL Audio C2-690tx

250W RMS 6x9" Evolution C2 Series 3-way 4-ohm Coaxial Car Speakers

17

$279.99

List price $279.99

AVH-240EX main

Pioneer AVH-240EX

6.2" Double-DIN DVD Touchscreen Multimedia Receiver Built-in Alexa

8

$269.99

List price $320.00

Shop all 2018 Chevrolet Silverado 3500 HD Car Audio, Speakers, & Electronics

Loading...
Filters
filter-icon Filters & Sort

NVX VE-GM-SLVCCG3-D10S

Custom Fit Dual 10" Sealed Down Firing Empty Subwoofer Enclosure for 2014-2018 Chevrolet Silverado and GMC Sierra Crew Cab Trucks

VE-GM-SLVCCG3-D10S big
Go to item page Right Arrow Icon of Right Arrow

Custom Fit Dual 10" Sealed Down Firing Empty Subwoofer Enclosure for 2014-2018 Chevrolet Silverado and GMC Sierra Crew Cab Trucks

• Custom fit Dual 10" Sealed Unloaded Subwoofer Enclosure
• Fits 2014-2018 Chevrolet Silverado and GMC Sierra Crew Cab
• Finished with premium carpet
• Meticulously hand-assembled
• Crafted from 3/4" MDF (Medium Density Fiberboard)

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

additional information required
Add more info to confirm vehicle fitment
Was $191.99 Details
$159.99

In stock

Only 1 Left!

• Custom fit Dual 10" Sealed Unloaded Subwoofer Enclosure
• Fits 2014-2018 Chevrolet Silverado and GMC Sierra Crew Cab
• Finished with premium carpet
• Meticulously hand-assembled
• Crafted from 3/4" MDF (Medium Density Fiberboard)

Kenwood eXcelon KFC-X3C

240W Peak (100W RMS) 3.5" Excelon Series 2-way 4-ohm Coaxial Car Speakers for select 2002-2025 vehicles from Ram, Toyota, GMC

KFC-X3C big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (100W RMS) 3.5" Excelon Series 2-way 4-ohm Coaxial Car Speakers for select 2002-2025 vehicles from Ram, Toyota, GMC

• 120 watts Peak Each, 50 watts RMS Each
• Compatible with select 2002-2025 vehicles from Ram, Toyota, GMC
• Silk Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 83 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
This product fits your 2018 Silverado 3500 HD
1
Was $100.00 Details
$99.99

In stock

• 120 watts Peak Each, 50 watts RMS Each
• Compatible with select 2002-2025 vehicles from Ram, Toyota, GMC
• Silk Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 83 dB

Remote Start for 2010-2024 Chevy Silverado, GMC Sierra & Other GM

Works with select Blazer, Corvette, Camaro, Sonic, Spark, Yukon, Canyon, Buick, and other select Chevy/GMC. Easy DIY Remote Starter Kit for Key-to-Start Vehicles Only, Takes Less Than 1 Hour to Install (RSGM7)

RSGM7 big
Go to item page Right Arrow Icon of Right Arrow

Works with select Blazer, Corvette, Camaro, Sonic, Spark, Yukon, Canyon, Buick, and other select Chevy/GMC. Easy DIY Remote Starter Kit for Key-to-Start Vehicles Only, Takes Less Than 1 Hour to Install (RSGM7)

• Compatible with select 2010-2024 vehicles from Chevrolet, GMC, Buick Key-to-Start vehicles
• Not compatible with Push-to-Start Ignition
• Plug and play installation
• No wires to cut or splice
• Works with your OEM remote
• Programmer included

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $30.00 in rewards to spend later

empty

found car based on your search
This product fits your 2018 Silverado 3500 HD
Was $359.99 Details
$299.99

In stock

• Compatible with select 2010-2024 vehicles from Chevrolet, GMC, Buick Key-to-Start vehicles
• Not compatible with Push-to-Start Ignition
• Plug and play installation
• No wires to cut or splice
• Works with your OEM remote
• Programmer included

NVX VE-GM-SLVCCG3-D12S

Custom Fit Dual 12" Sealed Down Firing Empty Subwoofer Enclosure for 2014-2018 Chevrolet Silverado and GMC Sierra Crew Cab Trucks

VE-GM-SLVCCG3-D12S big
Go to item page Right Arrow Icon of Right Arrow

Custom Fit Dual 12" Sealed Down Firing Empty Subwoofer Enclosure for 2014-2018 Chevrolet Silverado and GMC Sierra Crew Cab Trucks

• Custom fit Dual 12" Sealed Unloaded Subwoofer Enclosure
• Fits 2014-2018 Chevrolet Silverado and GMC Sierra Crew Cab trucks
• Finished with premium carpet
• Meticulously hand-assembled
• Crafted from 3/4" MDF (Medium Density Fiberboard)

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

additional information required
Add more info to confirm vehicle fitment
Was $191.99 Details
$159.99

In stock

• Custom fit Dual 12" Sealed Unloaded Subwoofer Enclosure
• Fits 2014-2018 Chevrolet Silverado and GMC Sierra Crew Cab trucks
• Finished with premium carpet
• Meticulously hand-assembled
• Crafted from 3/4" MDF (Medium Density Fiberboard)

Kicker 51KGMDL7T122

Custom-fit 12” L7T Series Single 2-ohm Subwoofers with Enclosure

51KGMDL7T122 big
Go to item page Right Arrow Icon of Right Arrow

Custom-fit 12” L7T Series Single 2-ohm Subwoofers with Enclosure

• Sealed enclosure with 2 12" Solo-Baric L7T Series Subwoofer
• For select 2008-2021 vehicles from Chevrolet, GMC
• 1200 watts RMS (2400 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 15-1/2" L x 7-7/16" H x 52" W

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $90.00 in rewards to spend later

empty

additional information required
Add more info to confirm vehicle fitment
Was $999.99 Details
$899.99

In stock

Only 1 Left!

• Sealed enclosure with 2 12" Solo-Baric L7T Series Subwoofer
• For select 2008-2021 vehicles from Chevrolet, GMC
• 1200 watts RMS (2400 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 15-1/2" L x 7-7/16" H x 52" W

Directed THGMN5 Wiring Harness

T-Harness Smart Key for select 2009-2025 vehicles from Chevrolet, GMC, Cadillac

THGMN5 big
Go to item page Right Arrow Icon of Right Arrow

T-Harness Smart Key for select 2009-2025 vehicles from Chevrolet, GMC, Cadillac

• T-Harness Smart Key for select 2009-2025 vehicles from Chevrolet, GMC, Cadillac
• Completely plug and play
• Compatible for DS4 and DS4 plus

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
This product fits your 2018 Silverado 3500 HD
Was $129.99 Details
$69.99

Available

Ships in 10-14 days

• T-Harness Smart Key for select 2009-2025 vehicles from Chevrolet, GMC, Cadillac
• Completely plug and play
• Compatible for DS4 and DS4 plus

PAC APSUB-GM61

AmpPRO Subwoofer Wiring Interface for select 2014-2021 vehicles from Chevrolet, GMC, Cadillac

APSUB-GM61 big
Go to item page Right Arrow Icon of Right Arrow

AmpPRO Subwoofer Wiring Interface for select 2014-2021 vehicles from Chevrolet, GMC, Cadillac

• 5V Amplifier Module
• Compatible with select 2014-2021 vehicles from Chevrolet, GMC, Cadillac Vehicles
• Plug-n-play installation
• Remote sub level controller included

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $19.90 in rewards to spend later

empty

additional information required
Add more info to confirm vehicle fitment
4
Was $259.00 Details
$199.00

In stock

• 5V Amplifier Module
• Compatible with select 2014-2021 vehicles from Chevrolet, GMC, Cadillac Vehicles
• Plug-n-play installation
• Remote sub level controller included

Axxess AXDSPX-GMM50

Install a Digital Sound Processor with T-Harness for select 2013-2021 vehicles from Chevrolet, GMC, Cadillac

AXDSPX-GMM50 big
Go to item page Right Arrow Icon of Right Arrow

Install a Digital Sound Processor with T-Harness for select 2013-2021 vehicles from Chevrolet, GMC, Cadillac

• DSP package fits select 2013-2021 vehicles from Chevrolet, GMC, Cadillac
• Designed for amplified models
• Retain features with a built-in interface
• Selectable 31 band graphic EQ or 5 band parametric EQ
• Can be used with OE and aftermarket radios

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $43.80 in rewards to spend later

empty

additional information required
Add more info to confirm vehicle fitment
Was $565.99 Details
$437.99

In stock

Only 2 Left!

• DSP package fits select 2013-2021 vehicles from Chevrolet, GMC, Cadillac
• Designed for amplified models
• Retain features with a built-in interface
• Selectable 31 band graphic EQ or 5 band parametric EQ
• Can be used with OE and aftermarket radios

American International GMSB356

6.5" to 6.75" Speaker Adapter for select 1997-2020 vehicles from Chevrolet, GMC, Pontiac

GMSB356 big
Go to item page Right Arrow Icon of Right Arrow

6.5" to 6.75" Speaker Adapter for select 1997-2020 vehicles from Chevrolet, GMC, Pontiac

• Speaker adapter for select 1997-2020 vehicles from Chevrolet, GMC, Pontiac
• For the installation of 6.5” to 6.75” speakers
• Easy installation

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
This speaker adapter fits your 2018 Silverado 3500 HD
  • Rear Door 6.5" Full-Range
24
Was $24.00 Details
$9.99

In stock

• Speaker adapter for select 1997-2020 vehicles from Chevrolet, GMC, Pontiac
• For the installation of 6.5” to 6.75” speakers
• Easy installation

NVX VE-GM-SLVDCG3-D12S

Custom Fit Dual 12" Sealed Up Firing Empty Subwoofer Enclosure for 2014-2018 Chevrolet Silverado and GMC Sierra Double Cab Trucks

VE-GM-SLVDCG3-D12S big
Go to item page Right Arrow Icon of Right Arrow

Custom Fit Dual 12" Sealed Up Firing Empty Subwoofer Enclosure for 2014-2018 Chevrolet Silverado and GMC Sierra Double Cab Trucks

• Custom fit Dual 12" Sealed Unloaded Subwoofer Enclosure
• Fits 2014-2018 Chevrolet Silverado and GMC Sierra Double Cab
• Finished with premium carpet
• Meticulously hand-assembled
• Crafted from 3/4" MDF (Medium Density Fiberboard)

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

additional information required
Add more info to confirm vehicle fitment
Was $179.99 Details
$149.99

In stock

• Custom fit Dual 12" Sealed Unloaded Subwoofer Enclosure
• Fits 2014-2018 Chevrolet Silverado and GMC Sierra Double Cab
• Finished with premium carpet
• Meticulously hand-assembled
• Crafted from 3/4" MDF (Medium Density Fiberboard)

Bbox by Atrend A184-10CP

Empty Dual 10" Sealed Enclosure for select 2007-2021 vehicles from Chevrolet, GMC

A184-10CP big
Go to item page Right Arrow Icon of Right Arrow

Empty Dual 10" Sealed Enclosure for select 2007-2021 vehicles from Chevrolet, GMC

• 10" Dual Sealed Subwoofer Enclosure
• 5/8" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.5 cubic feet
• Compatible with select 2007-2021 vehicles from Chevrolet, GMC

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

additional information required
Add more info to confirm vehicle fitment
2
Was $195.99 Details
$169.99

In stock

Only 1 Left!

• 10" Dual Sealed Subwoofer Enclosure
• 5/8" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.5 cubic feet
• Compatible with select 2007-2021 vehicles from Chevrolet, GMC

PAC AmpPRO 4 AP4-GM61

AmpPro for Select GM Vehicles with 20-pin and 8-pin Connectors (MOST50) Audio Output Interface

AP4-GM61 big
Go to item page Right Arrow Icon of Right Arrow

AmpPro for Select GM Vehicles with 20-pin and 8-pin Connectors (MOST50) Audio Output Interface

• Factory Sound System Upgrade
• Time Saving Design
• Plug and Play Installation
• Reliable PAC Quality

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $50.90 in rewards to spend later

empty

additional information required
Add more info to confirm vehicle fitment
1
Was $659.00 Details
$509.00

In stock

Only 3 Left!

• Factory Sound System Upgrade
• Time Saving Design
• Plug and Play Installation
• Reliable PAC Quality

Stinger TXTRB10

800W Peak (400W RMS) 10" Underseat Subwoofer Enclosure For Full-Size Trucks And Other Vehicles

TXTRB10 big
Go to item page Right Arrow Icon of Right Arrow

800W Peak (400W RMS) 10" Underseat Subwoofer Enclosure For Full-Size Trucks And Other Vehicles

• 10” Vented Subwoofer Enclosure for Full-Size Trucks and Other Vehicles
• Preloaded with single 10" P-TX10D4 Subwoofers
• Vented enclosure with Durable Texture UAT (Urethane Acrylic Terpolymer) Enclosure Coating
• Enclosure Dimensions: 12.52" TD x 14.13" BD x 18.11" W x 7.72" H

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

additional information required
Add more info to confirm vehicle fitment
Was $519.00 Details
$399.00

In stock

Only 2 Left!

• 10” Vented Subwoofer Enclosure for Full-Size Trucks and Other Vehicles
• Preloaded with single 10" P-TX10D4 Subwoofers
• Vented enclosure with Durable Texture UAT (Urethane Acrylic Terpolymer) Enclosure Coating
• Enclosure Dimensions: 12.52" TD x 14.13" BD x 18.11" W x 7.72" H

Metra 82-3006

6" to 6.75" Speaker Mounting Adapter for select 2003-2024 vehicles from Chevrolet, GMC, Cadillac

82-3006 big
Go to item page Right Arrow Icon of Right Arrow

6" to 6.75" Speaker Mounting Adapter for select 2003-2024 vehicles from Chevrolet, GMC, Cadillac

• Fits select 2003-2024 vehicles from Chevrolet, GMC, Cadillac Vehicles
• Fits 6" to 6.75" aftermarket speakers
• Step by step instructions
• Made with heavy duty ABS plastic

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

additional information required
Add more info to confirm vehicle fitment
21
Was $33.99 Details
$29.99

In stock

• Fits select 2003-2024 vehicles from Chevrolet, GMC, Cadillac Vehicles
• Fits 6" to 6.75" aftermarket speakers
• Step by step instructions
• Made with heavy duty ABS plastic

Metra 82-3004

6"X9" Speaker Adapter For select 2013-2024 vehicles from GMC, Chevrolet, Cadillac Trucks

82-3004 big
Go to item page Right Arrow Icon of Right Arrow

6"X9" Speaker Adapter For select 2013-2024 vehicles from GMC, Chevrolet, Cadillac Trucks

• Speaker Adapter
• Made Specifically For 6x9" Speakers
• Designed For Select select 2013-2024 vehicles from GMC, Chevrolet, Cadillac Trucks

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
This speaker adapter fits your 2018 Silverado 3500 HD
  • Front Door 6" x 9" Full-Range
20
Was $33.99 Details
$29.99

In stock

• Speaker Adapter
• Made Specifically For 6x9" Speakers
• Designed For Select select 2013-2024 vehicles from GMC, Chevrolet, Cadillac Trucks

Scosche SAGMHR634B

6-1/2" or 6-3/4" Speaker Adapter for select 2005-2025 vehicles from Chevrolet, GMC, Pontiac

SAGMHR634B big
Go to item page Right Arrow Icon of Right Arrow

6-1/2" or 6-3/4" Speaker Adapter for select 2005-2025 vehicles from Chevrolet, GMC, Pontiac

• 6-1/2" or 6-3/4" Door Speaker Adapter
• Compatible with select 2005-2025 vehicles from Chevrolet, GMC, Pontiac Vehicles
• Includes All Necessary Hardware
• Constructed of ABS Plastic

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
Fitment warning: The manufacturer states these adapters fit speaker locations in your vehicle; however, we have yet to verify your vehicle speaker specifications and therefore cannot confirm if or where these adapters will fit.
43
$14.95

In stock

• 6-1/2" or 6-3/4" Door Speaker Adapter
• Compatible with select 2005-2025 vehicles from Chevrolet, GMC, Pontiac Vehicles
• Includes All Necessary Hardware
• Constructed of ABS Plastic

Kenwood eXcelon KFC-XP6902C

600W Peak (200W RMS) 6x9" Excelon Series 2-way 4-ohm Component Speaker System for select 2002-2025 vehicles from Toyota, Ram, GMC

KFC-XP6902C big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 6x9" Excelon Series 2-way 4-ohm Component Speaker System for select 2002-2025 vehicles from Toyota, Ram, GMC

• 300 watts Peak Each, 100 watts RMS Each
• 6x9" Woofer and 2.75" Midrange
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB
• Custom fit for select 2002-2025 vehicles from Toyota, Ram, GMC

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $28.00 in rewards to spend later

empty

found car based on your search
This product fits your 2018 Silverado 3500 HD
4
Was $280.00 Details
$279.99

In stock

• 300 watts Peak Each, 100 watts RMS Each
• 6x9" Woofer and 2.75" Midrange
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB
• Custom fit for select 2002-2025 vehicles from Toyota, Ram, GMC

Metra 71-2108

Factory Replacement Wiring Harnesses for select 2016-2021 vehicles from Chevrolet, GMC

71-2108 big
Go to item page Right Arrow Icon of Right Arrow

Factory Replacement Wiring Harnesses for select 2016-2021 vehicles from Chevrolet, GMC

• Factory Replacement wiring harness
• Application for select GM 2016-Up
• Plugs into OEM radio

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $2.00 in rewards to spend later

empty

additional information required
Add more info to confirm vehicle fitment
Was $22.99 Details
$19.99

In stock

Only 3 Left!

• Factory Replacement wiring harness
• Application for select GM 2016-Up
• Plugs into OEM radio

Metra 82-3005

6" to 6-3/4" Speaker Adapter for select 2010-2024 vehicles from GMC, Chevrolet, Cadillac Trucks

82-3005 big
Go to item page Right Arrow Icon of Right Arrow

6" to 6-3/4" Speaker Adapter for select 2010-2024 vehicles from GMC, Chevrolet, Cadillac Trucks

• Speaker Adapter
• Made Specifically For 6"-6 3/4" Speakers
• Designed for Select select 2010-2024 vehicles from GMC, Chevrolet, Cadillac Trucks
• Color: Black

shipping truck icon Free shipping in USA. Provide zip for delivery date.

empty

found car based on your search
This speaker adapter fits your 2018 Silverado 3500 HD
  • Front Door 6" x 9" Full-Range
8
Was $35.99 Details
$31.99

In stock

• Speaker Adapter
• Made Specifically For 6"-6 3/4" Speakers
• Designed for Select select 2010-2024 vehicles from GMC, Chevrolet, Cadillac Trucks
• Color: Black

Metra AXBUCH-GM3

Retain the Factory Backup Camera in

AXBUCH-GM3 big
Go to item page Right Arrow Icon of Right Arrow

Retain the Factory Backup Camera in

• Backup retention harness for select 2014-Up GM Vehicles
• Retains factory backup camera

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $1.60 in rewards to spend later

empty

found car based on your search
This product fits your 2018 Silverado 3500 HD
Was $17.99 Details
$15.99

In stock

Only 1 Left!

• Backup retention harness for select 2014-Up GM Vehicles
• Retains factory backup camera

Items per page: 20 40 60

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    FAQ for your 2018 Silverado 3500 HD

    Q: Can I upgrade the factory stereo system in my 2018 Chevrolet Silverado 3500 HD?

    A: Yes you can improve your sound in your Silverado 3500 HD by upgrading your speakers and/or adding an amplifier. You may also be able to update the stereo and main display in your 2018 Silverado 3500 HD if there is a dash kit and harness solution available.

    Save up to 10 different vehicles in your garage

    2018 Chevrolet Silverado 3500 HD

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner’s manual
    • Vehicle’s insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver’s side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon