Garage
Shop
Account Icon
Account
Box Icon
Track
order
Telephone Icon
Call
Help Icon
Help
Door with Arrow Icon
Sign In

1973 Buick Centurion

Change vehicle | Remove vehicle

Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Overview Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

Universal-Fit Audio for 1973 Buick Centurion

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

Better sound with your factory radio

Better sound with a factory radio

Love your factory look or can't replace the stereo? We got you covered.

Filters
Install Bay ✕
Clear Filters
Reset Done
Brands
Install Bay,
You Recently Chose:
Dual (6)
Hertz (81)
Rockford Fosgate (439)
NVX (948)
Kicker (487)
JL Audio (482)
DS18 (479)
Stinger (437)
Cerwin-Vega (330)
Wet Sounds (227)
Sundown Audio (223)
Belva (197)
Alpine (179)
Diamond Audio (179)
Install Bay (166)
Metra (162)
Atrend (142)
MTX (142)
Heise (110)
American Bass (105)
Deaf Bonce (104)
T-Spec (96)
AudioControl (83)
JBL (83)
DC Audio (78)
Crux (70)
Kenwood (70)
XS Power (67)
Tru Spec (66)
MB Quart (61)
Massive Audio (57)
Hifonics (55)
BOYO Vision (51)
Axxess (47)
Infinity (47)
Pioneer (45)
Earthquake Sound (43)
Viper (41)
Crunch (39)
PAC (36)
SSV Works (34)
Shuriken (33)
Sound Extreme (32)
Polk Audio (27)
Race Sport Accessories (27)
Steve Meade Designs (27)
Boss (26)
Crimestopper (26)
Directed (26)
Avital (23)
PRV Audio (23)
Bazooka (21)
Cobra (21)
Prestige (21)
Dynamat (20)
Limitless Lithium (19)
Boom Mat (18)
AmmoTenna (14)
Memphis (13)
SPL-LAB (13)
Autotek (12)
Fusion (12)
Orion (12)
Saddle Tramp (12)
Second Skin Audio (12)
Escort (11)
Ballistic (10)
Energie (10)
Jensen (10)
Clarion (8)
JVC (8)
Precision Power (8)
Omega (7)
Python (7)
Soundstream (7)
American International (6)
Beat-Sonic (6)
Dronemobile (6)
Encore (6)
Scosche (6)
FlashLogic (4)
Kleinn (4)
Excalibur (3)
GROM Audio (3)
Power Acoustik (3)
TruConnex (3)
XpressKit (3)
iDataLink (3)
Audiovox (2)
Bavsound (2)
Clifford (2)
NAV-TV (2)
Planet Audio (2)
Sony (2)
StreetWires (2)
Vinland (2)
BlackVue (1)
Carwires (1)
Echomaster (1)
Fortin (1)
HELLA (1)
House Brand (1)
Momento (1)
PowerBass (1)
Raptor (1)
Reikken (1)
ScyTek (1)
Select Increments (1)
VIBE (1)

We are sorry, no available results!

Product Type
Price Range
Availability
filter-icon Filters & Sort

Install Bay MIBRBSR19

Universal 19mm Black Momentary Red LED Switch with Harness

MIBRBSR19 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay MIBRBSR19

Universal 19mm Black Momentary Red LED Switch with Harness

• Black momentary switch with harness
• Rated at 5 amps
• IP67 waterproof rating
• 19mm (3/4") mounting hole size
• Red LED illuminated ring

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $24.99
-12% $21.99

Available

Ships in 10-14 days

Add to Cart

• Black momentary switch with harness
• Rated at 5 amps
• IP67 waterproof rating
• 19mm (3/4") mounting hole size
• Red LED illuminated ring

Install Bay IBR68

Multipurpose Tester with 9V Tone Generator

IBR68 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay IBR68

Multipurpose Tester with 9V Tone Generator

• All In One Tester/Tone Generator
• Speaker tester with 9V
• RCA cable tester
• Easy to use control knobs
• Auto off function

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

10
List price $47.99
-10% $42.99

In stock

Add to Cart

• All In One Tester/Tone Generator
• Speaker tester with 9V
• RCA cable tester
• Easy to use control knobs
• Auto off function

Install Bay IB5KR

5000 Ohm Load Resistors (Pack of 100)

IB5KR big
Go to item page Right Arrow Icon of Right Arrow

Install Bay IB5KR

5000 Ohm Load Resistors (Pack of 100)

• 5000 ohms / 0.05 watts / 5 percent load resistors
• Pack of 100

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $4.99
-20% $3.99

In stock

Only 1 Left!

Add to Cart

• 5000 ohms / 0.05 watts / 5 percent load resistors
• Pack of 100

Install Bay FLX18BLK

1/8in Expandable Sleeving, Black - 250 Feet

FLX18BLK big
Go to item page Right Arrow Icon of Right Arrow

Install Bay FLX18BLK

1/8in Expandable Sleeving, Black - 250 Feet

• 1/8" split-braid sleeving
• Protects wires, cables, hoses and more
• Great for automotive, marine or office applications
• 250 feet of tubing included
• Resists cuts and other abrasions

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

VIP Product Get $12.30 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $136.99
-10% $122.99

In stock

Only 2 Left!

Add to Cart

• 1/8" split-braid sleeving
• Protects wires, cables, hoses and more
• Great for automotive, marine or office applications
• 250 feet of tubing included
• Resists cuts and other abrasions

Install Bay IBWTH12

Waterproof Connectors 12 Gauge - Each

IBWTH12 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay IBWTH12

Waterproof Connectors 12 Gauge - Each

• Waterproof Connectors
• 2C Plug in Connector
• Male/Female
• 12 Gauge

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $7.99
-13% $6.99

In stock

Add to Cart

• Waterproof Connectors
• 2C Plug in Connector
• Male/Female
• 12 Gauge

Install Bay 3MHS1

3M Heat Shrink 1" Diameter Tubing 10 Pack

3MHS1 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay 3MHS1

3M Heat Shrink 1" Diameter Tubing 10 Pack

• 1"-6"
• 3M Heat Shrink tubing < /br>

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $20.99
-19% $16.99

Available

Ships in 10-14 days

Add to Cart

• 1"-6"
• 3M Heat Shrink tubing < /br>

Install Bay IBH10

LED Replacement Headlight Bulbs (Pair) - H10 LED SINGLE BEAM

IBH10 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay IBH10

LED Replacement Headlight Bulbs (Pair) - H10 LED SINGLE BEAM

• Replacement LED headlight bulbs
• 3.1 inch (78.2mm) total length
• Heat sink 1.26 inch (32mm) diameter
• Good for tight applications
• Compact design doesn’t compromise performanc

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
List price $55.99
-20% $44.99

In stock

Only 2 Left!

Add to Cart

• Replacement LED headlight bulbs
• 3.1 inch (78.2mm) total length
• Heat sink 1.26 inch (32mm) diameter
• Good for tight applications
• Compact design doesn’t compromise performanc

Limited time!

The InstallBay AK02

0 Gauge Complete Amplifier Installation Kit

AK02 big
Go to item page Right Arrow Icon of Right Arrow

The InstallBay AK02

0 Gauge Complete Amplifier Installation Kit

• 0 Gauge Amplifier Installation Kit
• Everything that you Need to Power an Amplifier up to 2000W!
• 17ft. 0 Gauge Blue Power Cable
• 3ft. 0 Gauge Black Ground Cable
• 17ft. Blue RCA Cable

15% off an NVX XCAP10H w/ Select Amp Kits
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $9.20 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

24
List price $102.99
-11% $91.99

In stock

Add to Cart
Available Deal
AK02 main
Offer may end without notice
Continue Shopping Continue to checkout
Eligible items

Shop items below for 15% off up to $100 discount on Get 15% off an NVX XCAP10H

NVX XCAP10H (TRUE 10 FARAD CAPACITANCE)

NVX XCAP10H (TRUE 10 FARAD CAPACITANCE)

$299.99

$254.99

$45 Savings!

Add to cart

• 0 Gauge Amplifier Installation Kit
• Everything that you Need to Power an Amplifier up to 2000W!
• 17ft. 0 Gauge Blue Power Cable
• 3ft. 0 Gauge Black Ground Cable
• 17ft. Blue RCA Cable

Install Bay IBR91

In-Dash USB and 3.5mm Aux input Knockout Panel

IBR91 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay IBR91

In-Dash USB and 3.5mm Aux input Knockout Panel

• In-Dash Knockout Panel
• Adds 3.5mm Aux and USB Ports
• Installs in Dash

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $47.99
-58% $19.99

In stock

Add to Cart

• In-Dash Knockout Panel
• Adds 3.5mm Aux and USB Ports
• Installs in Dash

Install Bay 3MHST1

3M Heat Shrink 1" Diameter Tubing Black

3MHST1 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay 3MHST1

3M Heat Shrink 1" Diameter Tubing Black

• 1 inch diameter
• 50 percent heat shrink tubing
• Length: 4 feet

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $14.99
-13% $12.99

In stock

Only 2 Left!

Add to Cart

• 1 inch diameter
• 50 percent heat shrink tubing
• Length: 4 feet

Install Bay E-CB50MR

Waterproof Circuit Breaker Manual Reset IP67 Rated - 50 Amp

E-CB50MR big
Go to item page Right Arrow Icon of Right Arrow

Install Bay E-CB50MR

Waterproof Circuit Breaker Manual Reset IP67 Rated - 50 Amp

• IP67 Waterproof Rating
• 60A Rating
• Ignition Protected
• Manual Reset

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $62.99
-11% $55.99

Available

Ships in 10-14 days

Add to Cart

• IP67 Waterproof Rating
• 60A Rating
• Ignition Protected
• Manual Reset

Install Bay SR6

MDF 1/2" Spacer Rings for 6" Speakers (Pair)

SR6 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay SR6

MDF 1/2" Spacer Rings for 6" Speakers (Pair)

• MDF Speaker Rings
• 6" x 1/2"
• Perfect for Speaker Spacers or Custom Fiberglass Installations

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

10
List price $16.99
-12% $14.99

Available

Ships in 10-14 days

Add to Cart

• MDF Speaker Rings
• 6" x 1/2"
• Perfect for Speaker Spacers or Custom Fiberglass Installations

The Install Bay SB175

1/0 AWG High Current Power and Ground Quick Disconnect

SB175 big
Go to item page Right Arrow Icon of Right Arrow

The Install Bay SB175

1/0 AWG High Current Power and Ground Quick Disconnect

• 1/0 AWG Power and Ground Quick Disconnect
• Color Is Yellow
• Makes It Easy To Remove Amps, Batteries And Other Equipment Quickly
• Requires 2 Pieces To Create Connection

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $38.99
-10% $34.99

In stock

Add to Cart

• 1/0 AWG Power and Ground Quick Disconnect
• Color Is Yellow
• Makes It Easy To Remove Amps, Batteries And Other Equipment Quickly
• Requires 2 Pieces To Create Connection

Install Bay 3MHST38

3M Heat Shrink 3/8" Diameter Tubing Black

3MHST38 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay 3MHST38

3M Heat Shrink 3/8" Diameter Tubing Black

• 3/8 inch heat shrink tubing
• Made with polyoefin (black)
• Length: 4 feet

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $9.99
-10% $8.99

In stock

Add to Cart

• 3/8 inch heat shrink tubing
• Made with polyoefin (black)
• Length: 4 feet

Install Bay IBH7

H7 LED SINGLE BEAM PAIR

IBH7 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay IBH7

H7 LED SINGLE BEAM PAIR

• Replacement LED headlight bulbs
• 3.1"
• Heat sink 1.26 inch

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
List price $49.99
-20% $39.99

In stock

Only 1 Left!

Add to Cart

• Replacement LED headlight bulbs
• 3.1"
• Heat sink 1.26 inch

Install Bay IBH16

LED Replacement Headlight Bulbs (Pair) - H16 LED SINGLE BEAM PAIR

IBH16 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay IBH16

LED Replacement Headlight Bulbs (Pair) - H16 LED SINGLE BEAM PAIR

• Replacement LED headlight bulbs
• 3.1 inch (78.2mm) total length
• Heat sink 1.26 inch (32mm) diameter
• Good for tight applications
• Compact design doesn’t compromise performance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
List price $56.99
-30% $39.99

In stock

Only 1 Left!

Add to Cart

• Replacement LED headlight bulbs
• 3.1 inch (78.2mm) total length
• Heat sink 1.26 inch (32mm) diameter
• Good for tight applications
• Compact design doesn’t compromise performance

Install Bay 12 Gauge Primary Wire (IBR38)

Red 20' Power Wire & Black 10' Ground Wire

IBR38 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay 12 Gauge Primary Wire (IBR38)

Red 20' Power Wire & Black 10' Ground Wire

• 12 Gauge Primary Wire
• 1 Bag of 2 pieces
• Red 20' Power Wire
• Black 10' Ground Wire

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $28.99
-10% $25.99

In stock

Only 2 Left!

Add to Cart

• 12 Gauge Primary Wire
• 1 Bag of 2 pieces
• Red 20' Power Wire
• Black 10' Ground Wire

Install Bay 3MHST14

3M Heat Shrink 1/4" Diameter Tubing Black

3MHST14 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay 3MHST14

3M Heat Shrink 1/4" Diameter Tubing Black

• 1/4 inch heat shrink tubing
• Made with Polyoefin (black)
• Length: 4 feet

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $8.99
-11% $7.99

Available

Ships in 10-14 days

Add to Cart

• 1/4 inch heat shrink tubing
• Made with Polyoefin (black)
• Length: 4 feet

Install Bay IBR93

In-Dash Voltage and Amperage Meter w/ LED Display

IBR93 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay IBR93

In-Dash Voltage and Amperage Meter w/ LED Display

• 12V Voltage Meter
• Monitors Amperage As Well
• Digital Display
• Mounts in Dash

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $51.99
-12% $45.99

Available

Ships in 10-14 days

Add to Cart

• 12V Voltage Meter
• Monitors Amperage As Well
• Digital Display
• Mounts in Dash

Install Bay IBR64

Universal Water Resistant Bluetooth Audio Receiver

IBR64 big
Go to item page Right Arrow Icon of Right Arrow

Install Bay IBR64

Universal Water Resistant Bluetooth Audio Receiver

• Automatically reconnects with the last bluetooth device
• A2DP Stereo Audio
• 12v Remote Turn on for Amplifiers
• Connection Range: Up to 30 ft

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

VIP Product Get $8.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $88.99
-10% $79.99

In stock

Only 1 Left!

Add to Cart

• Automatically reconnects with the last bluetooth device
• A2DP Stereo Audio
• 12v Remote Turn on for Amplifiers
• Connection Range: Up to 30 ft

Prev 2 3 4 5 6 Next

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 Universal-Fit Audio & Electronics in 1973 Centurion

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1973 Buick Centurion?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your Centurion.

    Save up to 10 different vehicles in your garage
    Vehicle
    Store     Delete

    1973 Buick Centurion

    2012 Buick Verano

    2000 Mercury Mountaineer

    1996 Mazda Protege

    2017 Jeep Grand Cherokee

    1974 BMW 2002

    1990 BMW 750iL

    2021 Subaru Legacy

    1995 Eagle Vision

    1981 Buick LeSabre

    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

    Cancel

    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue

    Cancel

    Shop your 1973 Centurion
    Why Use a Vehicle Fit Guide?
    Change vehicle | Shop without vehicle
    Whoa! Slow down. Add your details below!
    additional information required
    Add vehicle details to confirm fitment
    Ignore fitment details
    Find stereos and more that work -- fast.
    Remove

    Can't find your vehicle? Click here and we'll help.

    Where to find vehicle info

    Go to Fitment

    Didn't find your car?

    Submit your details and we'll help!
    Please enter the letters as they are shown in the image above. Letters are not case-sensitive.
    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
    Back

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

    Back
    Track your order
    Call our experts
    Support Center
    Return & Exchanges
    Follow on Instagram Instagram logo
    Subscribe on YouTube YouTube logo