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1973 Buick Century

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.

Universal-Fit Audio for 1973 Buick Century

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.

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JL Audio M-MCPv3-2.000

ETXv3 Enclosed Speaker System Clamp, for pipe diameter of 2.000 in (50.8 mm)

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ETXv3 Enclosed Speaker System Clamp, for pipe diameter of 2.000 in (50.8 mm)

• JL Audio Tower Speaker Mounting Kit
• Clamp has an Inner Diameter of 2.000 Inches
• For M-Series and MX-Series JL Audio Tower Speakers

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$209.99

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Only 2 Left!

• JL Audio Tower Speaker Mounting Kit
• Clamp has an Inner Diameter of 2.000 Inches
• For M-Series and MX-Series JL Audio Tower Speakers

NVX XPLOC4

4-Channel 600W Adjustable Line Output Converter with Remote Turn On

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4-Channel 600W Adjustable Line Output Converter with Remote Turn On

• 4-Channel Premium Adjustable Line Output Converter
• 6:1 Step Down With Adjustable Output
• 600w Total Maximum Input (150w Per Channel)
• Super Low Distortion

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• 4-Channel Premium Adjustable Line Output Converter
• 6:1 Step Down With Adjustable Output
• 600w Total Maximum Input (150w Per Channel)
• Super Low Distortion

Stinger SPT55302 (Chrome)

Multi GM Battery Terminal, One 1/0 Gauge, One 4 Gauge and Two 8 Gauge Outputs

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Multi GM Battery Terminal, One 1/0 Gauge, One 4 Gauge and Two 8 Gauge Outputs

• Multi GM Battery Terminal
• One 1/0 Gauge, One 4 Gauge and Two 8 Gauge Outputs
• For Use with GM Side Posts or Stinger Batteries
• High Power Connection
• Works on Both Positive and Negative Terminals

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List price $69.00
-49% $34.99

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• Multi GM Battery Terminal
• One 1/0 Gauge, One 4 Gauge and Two 8 Gauge Outputs
• For Use with GM Side Posts or Stinger Batteries
• High Power Connection
• Works on Both Positive and Negative Terminals

Install Bay PSP2

Complete ABS Port Tube Kit - 2" x 11" Port

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Complete ABS Port Tube Kit - 2" x 11" Port

• Complete Port Tube Kit
• 2" x 11" Port
• Achieve Greater Sound Pressure Levels with Less Distortion
• High Quality ABS Construction
• Mounting Hole Variations
• Designed in the U.S.A.

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• Complete Port Tube Kit
• 2" x 11" Port
• Achieve Greater Sound Pressure Levels with Less Distortion
• High Quality ABS Construction
• Mounting Hole Variations
• Designed in the U.S.A.

DS18 PRO-TWX5 (Sold Individually)

500W Peak (250W RMS) 4" x 5.35" 4-ohm Pro Audio Super Bullet Tweeter

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500W Peak (250W RMS) 4" x 5.35" 4-ohm Pro Audio Super Bullet Tweeter

• 4"x5.35" Aluminum Super Bullet Tweeters
• 500 watts Peak Each
• 250 watts RMS Each
• 4 ohm Impedance

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$52.95

In stock.

• 4"x5.35" Aluminum Super Bullet Tweeters
• 500 watts Peak Each
• 250 watts RMS Each
• 4 ohm Impedance

Limited time!

Pioneer GM-DX874

1200W Peak (600W RMS) Class D GM Series 4 Channel Car Amplifier with Remote Bass

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1200W Peak (600W RMS) Class D GM Series 4 Channel Car Amplifier with Remote Bass

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 1 ohm Stable 4-Channel Amplifier

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List price $300.00
Save $80.00
-27% $220.00

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Heise HE-BD50

480W Universal 50” Blackout Series Dual Row 96 LED Light Bar

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480W Universal 50” Blackout Series Dual Row 96 LED Light Bar

• Universal 50" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

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• Universal 50" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

Axxess AXLTG-PK (Pink)

36" Replacement USB to Lightning Cable for Compatible iOs Devices

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36" Replacement USB to Lightning Cable for Compatible iOs Devices

• Replacement USB to Lightning cable for compatible iOs devices
• Supports charging and data transfer
• Length: 3 ft. (36")

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List price $14.99
-13% $12.99

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• Replacement USB to Lightning cable for compatible iOs devices
• Supports charging and data transfer
• Length: 3 ft. (36")

T-Spec V12-CBF200

200 Amp V12 Series Gold Plated Circuit Breaker

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200 Amp V12 Series Gold Plated Circuit Breaker

• 200 Amp V12 Series 24K Gold-Plated Circuit Breaker
• Manual Reset Button
• 1/0 or 4 Gauge In/Out
• Water Resistant Housing
• 24K Gold-plated

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$62.99

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• 200 Amp V12 Series 24K Gold-Plated Circuit Breaker
• Manual Reset Button
• 1/0 or 4 Gauge In/Out
• Water Resistant Housing
• 24K Gold-plated

Belva BBTR1 Pioneer, Clarion and Jensen Navigation Video Bypass

Video In Motion Bypass Module for select 2013-2017 Pioneer/Clarion/Jensen Stereos

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Video In Motion Bypass Module for select 2013-2017 Pioneer/Clarion/Jensen Stereos

•Video In Motion Bypass Module for select 2013-2017 Pioneer/Clarion/Jensen Radios
• Auto Parking Brake Bypass Interface
• Simple 3-Wire Installation
• Will Work w/Future Software Updates

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List price $14.99
-47% $7.99

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•Video In Motion Bypass Module for select 2013-2017 Pioneer/Clarion/Jensen Radios
• Auto Parking Brake Bypass Interface
• Simple 3-Wire Installation
• Will Work w/Future Software Updates

JL Audio M6-770STR-S-Sb

7.7" Trim Ring for Sport Grilles in JL Audio M6 Series Marine Speakers (Satin Black)

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7.7" Trim Ring for Sport Grilles in JL Audio M6 Series Marine Speakers (Satin Black)

• 7.7" trim ring for sport grilles in M6 speakers
• M6 speakers sold separately
• Color: Satin Black

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$37.99

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Ships in 10-14 days

• 7.7" trim ring for sport grilles in M6 speakers
• M6 speakers sold separately
• Color: Satin Black

Alpine KTA-450 Power Pack

400W Peak (200W RMS) Class D Power Pack Series 4 Channel Car Amplifier

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400W Peak (200W RMS) Class D Power Pack Series 4 Channel Car Amplifier

• 50 watts x 4 channel @ 4 ohm
• 45 watts x 4 channel @ 2 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $360.00
-17% $299.95

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Cobra PX650

Splashproof Pro Business 2-Way Walkie Talkies (2-Pack)

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Splashproof Pro Business 2-Way Walkie Talkies (2-Pack)

• Pro Business 2-Way Walkie Talkies
• IP54-rated splashproof and weather-resistant
• 22 Channels and 88 Privacy Codes
• Voice-Activated Transmission (VOX)
• 18-hour lithium-ion battery

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List price $155.99
-17% $129.95

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• Pro Business 2-Way Walkie Talkies
• IP54-rated splashproof and weather-resistant
• 22 Channels and 88 Privacy Codes
• Voice-Activated Transmission (VOX)
• 18-hour lithium-ion battery

Belva BCC2218

22/18 Gauge Nylon Crimp Caps, 25/pack

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22/18 Gauge Nylon Crimp Caps, 25/pack

• 22/18 Gauge Nylon Crimp Cap
• Heat shrinkable Design
• Makes Crimping Wires Fast and Easy
• Offers a Solid Connection of Wires
• Gauge: 22/18
• Color: Clear
• Count: 25

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List price $7.99
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• 22/18 Gauge Nylon Crimp Cap
• Heat shrinkable Design
• Makes Crimping Wires Fast and Easy
• Offers a Solid Connection of Wires
• Gauge: 22/18
• Color: Clear
• Count: 25

JL Audio CP212-W0v3

Dual 12" 12W0v3-4 BassWedge Loaded Ported Enclosure with Gray Carpet Finish

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Dual 12" 12W0v3-4 BassWedge Loaded Ported Enclosure with Gray Carpet Finish

• Dual 12" 12W0v3-4 Loaded Ported Enclosure
• 1200W Peak
• 600W RMS
• Top-Quality MDF Construction
• Durable Dark Gray Carpet Finish
• Five-Way Binding Post Connectors
• Embroidered JL Audio Logo

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$449.99

In stock

DS18 EN6P (Sold by Pair)

Empty 2-Way Universal Pods for 6.5" Loudspeaker and 1.5" Tweeter

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Empty 2-Way Universal Pods for 6.5" Loudspeaker and 1.5" Tweeter

• Pair of 2-Way Universal Pod for 6.5" loudspeaker and 1.5" tweeter
• Enclosure comes in 1 set (left and right)
• Injected high density ABS plastic construction
• UV protected and all-element ready

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$153.95

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Only 1 Left!

• Pair of 2-Way Universal Pod for 6.5" loudspeaker and 1.5" tweeter
• Enclosure comes in 1 set (left and right)
• Injected high density ABS plastic construction
• UV protected and all-element ready

Belva BB2D

2.0 Farad Capacitor with Digital Red Display, Perfect for systems up to 2000W

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2.0 Farad Capacitor with Digital Red Display, Perfect for systems up to 2000W

• 2.0 Farad Power Capacitor
• Perfect for Systems up to 2000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

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List price $89.99
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Used from: $44.99

• 2.0 Farad Power Capacitor
• Perfect for Systems up to 2000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

JL Audio XB-SPTM Side-Post Battery Terminal Adaptors

1 Pair Side-Post to Top-Mount Battery Terminal Adapters

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1 Pair Side-Post to Top-Mount Battery Terminal Adapters

• 1 Pair (1 negative, 1 positive) of. Side-Post to Top-Mount Battery Terminal Adapters
• Forged and machined brass construction
• Marine-grade, anti-corrosive Stannum plating

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$19.99

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Only 1 Left!

• 1 Pair (1 negative, 1 positive) of. Side-Post to Top-Mount Battery Terminal Adapters
• Forged and machined brass construction
• Marine-grade, anti-corrosive Stannum plating

Escort Smartcord USB

Radar Detector Power Cord w/ Two Amp USB Charging Port

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Radar Detector Power Cord w/ Two Amp USB Charging Port

• Direct wire power cord
• Designed for laser and Radar detectors
• Prevents interference with driving functions
• Compatible with Passport 8500, 9500iX, Solo S3 and S4 Models
• Installs in vehicle fuse panel

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$39.95

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• Direct wire power cord
• Designed for laser and Radar detectors
• Prevents interference with driving functions
• Compatible with Passport 8500, 9500iX, Solo S3 and S4 Models
• Installs in vehicle fuse panel

NVX VSLR39

39-Ohm Load Resistors for all makes and models 2005-2015 with OEM Sound Systems

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39-Ohm Load Resistors for all makes and models 2005-2015 with OEM Sound Systems

• 39 Ohm Load Resistors
• Prevents Audio Shutdown and Distortion
• Compatible with most devices with speaker-level inputs
• Sold as a pair

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List price $39.99
-63% $14.99

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Used from: $10.49

• 39 Ohm Load Resistors
• Prevents Audio Shutdown and Distortion
• Compatible with most devices with speaker-level inputs
• Sold as a pair

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    FAQ for Universal-Fit Audio & Electronics in 1973 Century

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

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

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

    • You see only parts engineered for your exact vehicle
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.