Garage
Shop
Loading...
Filters

We are sorry, no available results!

filter-icon Filters & Sort

Scosche GM01B Wiring Harness

Install a new car stereo in select 1973-1992 vehicles from Chevrolet, GMC, Pontiac

GM01B big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 1973-1992 vehicles from Chevrolet, GMC, Pontiac

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

found car based on your search
This product fits your 1974 K20 Suburban
41
Was $8.95 Details
$6.95

In stock

Only 2 Left!

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 70-1677-1 Wiring Harness

Install a new car stereo in select 1973-1992 vehicles from Chevrolet, GMC, Pontiac

70-1677-1 big
Go to item page Right Arrow Icon of Right Arrow

Install a new car stereo in select 1973-1992 vehicles from Chevrolet, GMC, Pontiac

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

found car based on your search
This product fits your 1974 K20 Suburban
11
Was $19.99 Details
$6.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

American International FP305

Car Stereo Installation Trim Plate For select 1973-1991 vehicles from Chevrolet, GMC

FP305 big
Go to item page Right Arrow Icon of Right Arrow

Car Stereo Installation Trim Plate For select 1973-1991 vehicles from Chevrolet, GMC

• Car Stereo Installation Trim Plate
• Compatible with select 1973-1991 vehicles from Chevrolet, GMC Vehicles
• Accommodates ISO Single/Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

found car based on your search
This product fits your 1974 K20 Suburban
Was $24.00 Details
$9.99

In stock

Only 2 Left!

• Car Stereo Installation Trim Plate
• Compatible with select 1973-1991 vehicles from Chevrolet, GMC Vehicles
• Accommodates ISO Single/Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

FP305 small

Item added to your cart.

Price: $9.99

Essential add-ons
Belva BTK105

5 Piece Installer's Removal Tool Kit

$18.99

$11.99

Add to cart

Metra Kit 87-99-3052 Dash Kit

Install a new Single-DIN car stereo in select 1973-1991 vehicles from Chevrolet, GMC

87-99-3052 big
Go to item page Right Arrow Icon of Right Arrow

Install a new Single-DIN car stereo in select 1973-1991 vehicles from Chevrolet, GMC

• Single-DIN or Dash Kit
• Includes installation instructions

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

found car based on your search
This product fits your 1974 K20 Suburban
$19.99

In stock

Only 2 Left!

• Single-DIN or Dash Kit
• Includes installation instructions

87-99-3052 small

Item added to your cart.

Price: $19.99

Essential add-ons
Belva BTK105

5 Piece Installer's Removal Tool Kit

$18.99

$11.99

Add to cart

Install Bay USB/3.5mm Mount to RCA A/V Extension (IBR75)

USB/3.5mm Extension with water resistant cover - can be surface or flush mounted

IBR75 big
Go to item page Right Arrow Icon of Right Arrow

USB/3.5mm Extension with water resistant cover - can be surface or flush mounted

• 6.5' USB/3.5mm Mount to RCA A/V Extension
• Water resistant cover
• Can be flush or surface mounted
• Male USB (type-A) connector on one end and a female USB (type-A) port on the other end
• Audio/Video RCAs

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

universal icon
Universal-fit, works with nearly all vehicles.
3
$19.99

In stock

• 6.5' USB/3.5mm Mount to RCA A/V Extension
• Water resistant cover
• Can be flush or surface mounted
• Male USB (type-A) connector on one end and a female USB (type-A) port on the other end
• Audio/Video RCAs

Metra 108-UN02 Dash Kit

Install a new Double-DIN car stereo in (Black)

108-UN02 big
Go to item page Right Arrow Icon of Right Arrow

Install a new Double-DIN car stereo in (Black)

• Double-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

shipping truck icon
FREE 2-day shipping to VA. Get it Tue, Apr. 2

empty

universal icon
Universal-fit, works with nearly all vehicles.
Was $69.99 Details
$52.99

In stock

• Double-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

108-UN02 small

Item added to your cart.

Price: $52.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Metra 40-SIRXM-17 Antenna Adapter

Connect your factory SiriusXM antenna to a new aftermarket radio for

40-SIRXM-17 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory SiriusXM antenna to a new aftermarket radio for

• Adapts factory satellite antenna connector
• Located at factory radio location to an aftermarket style connector
• Length: 17 feet
• Universal application

shipping truck icon
Fast 2-day shipping to VA. Get it Tue, Apr. 2

empty

universal icon
Universal-fit, works with nearly all vehicles.
1
Was $25.99 Details
$22.99

In stock

Only 2 Left!

• Adapts factory satellite antenna connector
• Located at factory radio location to an aftermarket style connector
• Length: 17 feet
• Universal application

Axxess AX-FMUSBEXTCB

Universal 6' Male to Female USB Extension Cable with Mount

AX-FMUSBEXTCB big
Go to item page Right Arrow Icon of Right Arrow

Universal 6' Male to Female USB Extension Cable with Mount

• Male to Female USB Extension Cable
• 6 Feet Long
• Full Data Transfer
• Flush Mount Your USB Port

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

universal icon
Universal-fit, works with nearly all vehicles.
1
Was $19.99 Details
$10.99

In stock

• Male to Female USB Extension Cable
• 6 Feet Long
• Full Data Transfer
• Flush Mount Your USB Port

Metra 107-UN02 Dash Kit

Install a new Double-DIN car stereo in (Matte Black)

107-UN02 big
Go to item page Right Arrow Icon of Right Arrow

Install a new Double-DIN car stereo in (Matte Black)

• Double-DIN Dash Kit
• Painted scratch-resistant matte black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

universal icon
Universal-fit, works with nearly all vehicles.
Was $39.99 Details
$38.99

In stock

• Double-DIN Dash Kit
• Painted scratch-resistant matte black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

Install Bay IBR73

HDMI/USB Pass Through Extension Panel

IBR73 big
Go to item page Right Arrow Icon of Right Arrow

HDMI/USB Pass Through Extension Panel

• Male to Female USB and HDMI Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush Mount Your USB and HDMI Port

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

universal icon
Universal-fit, works with nearly all vehicles.
$22.99

In stock

Only 2 Left!

• Male to Female USB and HDMI Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush Mount Your USB and HDMI Port

Install Bay IBR74

Dual USB Pass Through Extension Panel

IBR74 big
Go to item page Right Arrow Icon of Right Arrow

Dual USB Pass Through Extension Panel

• Dual Male to Female USB Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush or Surface Mount Your USB Ports

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

universal icon
Universal-fit, works with nearly all vehicles.
$15.99

In stock

• Dual Male to Female USB Extension Cable
• 3 Feet Long
• Full Data Transfer
• Flush or Surface Mount Your USB Ports

Metra 109-UN02 Universal Dashkit for DMHWC6600NEX

Required to install a new Pioneer DMH-WC6600NEX (Additional Specifc-fit Dashkit Required)

109-UN02 big
Go to item page Right Arrow Icon of Right Arrow

Required to install a new Pioneer DMH-WC6600NEX (Additional Specifc-fit Dashkit Required)

• Double-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

shipping truck icon
FREE 3-day shipping to VA. Get it Wed, Apr. 3

empty

universal icon
Universal-fit, works with nearly all vehicles.
$55.99

In stock

Only 2 Left!

• Double-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

109-UN02 small

Item added to your cart.

Price: $55.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Metra 40-UV41 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for

40-UV41 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for

• Universal Antenna Adapter
• Vehicles
• Female to female cable

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

universal icon
Universal-fit, works with nearly all vehicles.
5
Was $19.99 Details
$8.99

In stock

• Universal Antenna Adapter
• Vehicles
• Female to female cable

Metra 40-UV44 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for

40-UV44 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for

• Universal antenna adapter
• Vehicles
• Female to two male cable

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

universal icon
Universal-fit, works with nearly all vehicles.
2
Was $19.99 Details
$7.99

In stock

• Universal antenna adapter
• Vehicles
• Female to two male cable

iDatalink ADS-MAR

Wire Harness to Replace Premium Sound System Factory Amplifiers for

ADS-MAR big
Go to item page Right Arrow Icon of Right Arrow

Wire Harness to Replace Premium Sound System Factory Amplifiers for

• Seamless integration with compatible amplifiers
• Retain factory radio and infotainment systems
• Works with a vehicle-specific T-harness
• Enhances sound quality in vehicles
• Black finish
• Connects to select iDatalink-compatible amp

shipping truck icon
FREE 3-day shipping to VA. Get it Wed, Apr. 3

empty

universal icon
Universal-fit, works with nearly all vehicles.
Was $129.99 Details
$99.99

In stock

• Seamless integration with compatible amplifiers
• Retain factory radio and infotainment systems
• Works with a vehicle-specific T-harness
• Enhances sound quality in vehicles
• Black finish
• Connects to select iDatalink-compatible amp

ADS-MAR small

Item added to your cart.

Price: $99.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Metra MPS-WHIPM Antenna Adapter

Connect your factory antenna to a new aftermarket radio for

MPS-WHIPM big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for

• Whip antenna mount is designed to work with roll cages/metal tubes • Adjust to fit most angles
• Fits 1 1/2in, 1 3/4in, 1 7/8in, and 2in tubes
• Comes with rubber inserts
• Powder coated gloss black
• Powder coated gloss black
• Vehicles

shipping truck icon
Fast 2-day shipping to VA. Get it Tue, Apr. 2

empty

universal icon
Universal-fit, works with nearly all vehicles.
Was $32.00 Details
$20.99

In stock

Only 3 Left!

• Whip antenna mount is designed to work with roll cages/metal tubes • Adjust to fit most angles
• Fits 1 1/2in, 1 3/4in, 1 7/8in, and 2in tubes
• Comes with rubber inserts
• Powder coated gloss black
• Powder coated gloss black
• Vehicles

Metra 40-UV42 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for

40-UV42 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for

• Universal antenna adapter
• Vehicles
• Male to male cable

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

universal icon
Universal-fit, works with nearly all vehicles.
2
Was $14.99 Details
$7.99

In stock

• Universal antenna adapter
• Vehicles
• Male to male cable

Metra 40-UV43 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for

40-UV43 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for

• Antenna Adapter for Vehicles with Two Antennas
• Vehicles
• 1 Male to 2 Female

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

universal icon
Universal-fit, works with nearly all vehicles.
8
Was $19.99 Details
$7.99

In stock

Only 2 Left!

• Antenna Adapter for Vehicles with Two Antennas
• Vehicles
• 1 Male to 2 Female

Metra 108-UN01 Dash Kit

Install a new Double-DIN car stereo in (Black)

108-UN01 big
Go to item page Right Arrow Icon of Right Arrow

Install a new Double-DIN car stereo in (Black)

• Double-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

shipping truck icon
Delivers Apr. 6 - Apr. 10 to VA. Order $49+ to ship free.

empty

universal icon
Universal-fit, works with nearly all vehicles.
Was $30.00 Details
$24.99

In stock.

• Double-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

Metra 40-SIRXM Antenna Adapter

Connect your factory SiriusXM antenna to a new aftermarket radio for

40-SIRXM big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory SiriusXM antenna to a new aftermarket radio for

• Adapts factory satellite antenna connector
• Located at factory radio location to an aftermarket style connector
• Length: 3 feet
• Universal application

shipping truck icon
Fast 3-day shipping to VA. Get it Wed, Apr. 3

empty

universal icon
Universal-fit, works with nearly all vehicles.
Was $19.99 Details
$15.99

In stock

• Adapts factory satellite antenna connector
• Located at factory radio location to an aftermarket style connector
• Length: 3 feet
• Universal application

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?
    ADVERTISEMENT
    FAQ for Aftermarket Stereo Installation Accessories in 1974 K20 Suburban

    Q: Can I upgrade or change the Aftermarket Stereo Installation Accessories in 1974 Chevrolet K20 Suburban?

    A: Yes this page includes all the best Aftermarket Stereo Installation Accessories that work in your K20 Suburban.

    Save up to 10 different vehicles in your garage

    1974 Chevrolet K20 Suburban

    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