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1974 Buick Riviera

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 1974 Buick Riviera

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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Stinger SwitchHub (SPXSH440)

100A 4-Channel High Current Solid State Relay System

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100A 4-Channel High Current Solid State Relay System

• 4-Channel SwitchHub Solid-State Relay
• Single 40-amp output and triple 20-amp outputs
• 100-amp combined continuous capacity
• Outputs can be triggered independently

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List price $158.99
-13% $137.99

In stock

Only 3 Left!

• 4-Channel SwitchHub Solid-State Relay
• Single 40-amp output and triple 20-amp outputs
• 100-amp combined continuous capacity
• Outputs can be triggered independently

Limited time!

Kicker CWRT124 (48CWRT124)

1000W Peak (500W RMS) 12" CompRT Series Dual 4-ohm Shallow Car Subwoofer

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1000W Peak (500W RMS) 12" CompRT Series Dual 4-ohm Shallow Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 4 ohm
• UV-Treated Polypropylene Cone
• UV-resistant Santoprene Surround
• Mount depth: 3-3/4"
• Sensitivity: 85.5 dB

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Used from: $174.99

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 4 ohm
• UV-Treated Polypropylene Cone
• UV-resistant Santoprene Surround
• Mount depth: 3-3/4"
• Sensitivity: 85.5 dB

Fortin EVO-ONE

All-In-One Remote Starter, Alarm, Immobilizer Bypass and Data Interface Module

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All-In-One Remote Starter, Alarm, Immobilizer Bypass and Data Interface Module

• Easily Interface a Vehicle with an All-In-One Solution
• Preloaded Interface Module with Remote Start Technology
• Compatible with Most Protocols, RF-Kits and Telematic Modules
• Equipped with 5 Built-In Relays
• Hassle-Free Installation

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List price $195.95
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• Easily Interface a Vehicle with an All-In-One Solution
• Preloaded Interface Module with Remote Start Technology
• Compatible with Most Protocols, RF-Kits and Telematic Modules
• Equipped with 5 Built-In Relays
• Hassle-Free Installation

Limited time!

Rockford Fosgate RFC10HB 10 Farad Hybrid Capacitor

Hybrid Digital Stiffening Capacitor and Distribution Block

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Hybrid Digital Stiffening Capacitor and Distribution Block

• 10 farad Hybrid Digital Capacitor
• Increases quality of sound
• Increases level of bass
• Platinum plated

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-25% $529.99

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• 10 farad Hybrid Digital Capacitor
• Increases quality of sound
• Increases level of bass
• Platinum plated

Omega AU-70SL (AU-70)

Multi-Tone Siren with 20 watt output

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Multi-Tone Siren with 20 watt output

• Single or Multi-Tone Siren
• Six Tone Siren
• 20 watt Output

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• Single or Multi-Tone Siren
• Six Tone Siren
• 20 watt Output

Cerwin-Vega PRD

1" Replacement Diaphragm for P1T, P175T, P1SRT Pro Mobile Tweeters

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1" Replacement Diaphragm for P1T, P175T, P1SRT Pro Mobile Tweeters

• 1" diaphragm for all Pro Mobile tweeters
• Applicable for models: P1T, P175T, P1SRT
• Does not fit Cerwin Vega P75T and P5T tweeters
• East to install, no cutting or drilling required
• Improves high‑frequency performance

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List price $47.99
-17% $39.99

In stock.

• 1" diaphragm for all Pro Mobile tweeters
• Applicable for models: P1T, P175T, P1SRT
• Does not fit Cerwin Vega P75T and P5T tweeters
• East to install, no cutting or drilling required
• Improves high‑frequency performance

Cobra PRO 2500W (CPI2500W)

5000W Peak (2500W RMS) DC to AC Professional Grade Power Inverter with USB Fast Charging

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5000W Peak (2500W RMS) DC to AC Professional Grade Power Inverter with USB Fast Charging

• Modified Sine Professional Grade Power Inverter
• 2500 watts RMS, 5000 watts Peak
• Includes direct to battery cables
• LED digital display indicator
• Rugged industrial design

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$329.95

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• Modified Sine Professional Grade Power Inverter
• 2500 watts RMS, 5000 watts Peak
• Includes direct to battery cables
• LED digital display indicator
• Rugged industrial design

Single 12" Sealed MDF Subwoofer Enclosure (Belva MDFS12)

12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.0 cu ft airspace 12SQTC)

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12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/ Polyfil (1.0 cu ft airspace 12SQTC)

• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals

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172
$69.99

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XS Power D3100

3000W 872 Ah Absorbent Glass Mat (AGM) Car Battery

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3000W 872 Ah Absorbent Glass Mat (AGM) Car Battery

• 12-volt Absorbent Glass Mat (AGM) Car Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 4000W audio stereo systems
• Compatible with many Domestic and Japanese vehicles

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List price $549.99
-9% $499.99

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Cerwin Vega HS102D

800W Peak (200W RMS) 10" HED Series Dual 2-ohm Shallow Subwoofer

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800W Peak (200W RMS) 10" HED Series Dual 2-ohm Shallow Subwoofer

• Peak Power: 800 watts
• RMS Power: 200 watts
• Impedance: Dual 2 ohm
• Polypropylene Cone
• Treated Foam Surround
• Mount depth: 3.54"
• Sensitivity: 83.1 dB

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List price $119.99
-17% $99.99

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Metra IBWRD00

Dual 1/0-Gauge to Single 1/0 Gauge Input Wire Reducers

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Dual 1/0-Gauge to Single 1/0 Gauge Input Wire Reducers

• Dual 1/0-gauge input and output to 1/0-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

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-10% $44.99

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• Dual 1/0-gauge input and output to 1/0-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

NVX XW8BL20

20 ft 8-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Blue)

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20 ft 8-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Blue)

• 20 feet 8 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue

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List price $44.99
-33% $29.99

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Metra 44-UA205 Antenna

Amplified Slim Style Windshield or Glass Mount Antenna

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Amplified Slim Style Windshield or Glass Mount Antenna

• Amplified AM/FM Glass Mount Antenna
• Slim Style for Compact Installation
• Mounts in Glass or Windshield
• 12 Foot Cable Length

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• Amplified AM/FM Glass Mount Antenna
• Slim Style for Compact Installation
• Mounts in Glass or Windshield
• 12 Foot Cable Length

NVX NE101S

Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo

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Single 10" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.65 Cu. Ft. with Polyfil and NVX Logo

• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

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List price $83.99
-17% $69.99

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• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .65 cubic feet
• Premium Black Carpet with Black NVX Logo

Belva BST808

Pair of 8 Gauge Spade Terminals, #8 Opening with Nickel Plated Brass (1 Black & 1 Red)

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Pair of 8 Gauge Spade Terminals, #8 Opening with Nickel Plated Brass (1 Black & 1 Red)

• Spade Terminals • 8 Gauge
• 1 Red & 1 Black
• Nickel Plated
• Resealable Polybag

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List price $9.99
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• Spade Terminals • 8 Gauge
• 1 Red & 1 Black
• Nickel Plated
• Resealable Polybag

Deaf Bonce Apocalypse DB-SA255 D2

2000W Peak (1000W RMS) 15” Apocalypse Series Dual 2-ohm Car Subwoofer

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2000W Peak (1000W RMS) 15” Apocalypse Series Dual 2-ohm Car Subwoofer

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 2 ohm
• Mount depth: 7.4"
• Sensitivity: 87.50 dB

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$259.90

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JL Audio SGR-12W6v2/v3

Mesh Grille for JL Audio 12" W6v2 and W6v3 Subwoofers (Black)

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Mesh Grille for JL Audio 12" W6v2 and W6v3 Subwoofers (Black)

• 12" Mesh GrilleInsert
• Made Specifically for the 12w6v2.c3 12" W6 Subwoofer
• Made with Top-Notch JL Audio Quality
• No Screws or Extra Hardware Needed

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$39.99

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• 12" Mesh GrilleInsert
• Made Specifically for the 12w6v2.c3 12" W6 Subwoofer
• Made with Top-Notch JL Audio Quality
• No Screws or Extra Hardware Needed

Deaf Bonce MFA 4.220

1320W RMS Class D Machete Series 4 Channel Car Amplifier

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1320W RMS Class D Machete Series 4 Channel Car Amplifier

• 220 watts x 4 channel @ 4 ohm
• 330 watts x 4 channel @ 2 ohm
• Bridged: 660 watts x 2 channel @ 4 ohm
• Total RMS Power: 1320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Available Offers (2) for Deaf Bonce MFA 4.220
FREE Belva Amp Kit at Checkout!
Save 30% off an NVX XKIT44 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT44 Amp Kit! No code needed — discount applies automatically at checkout.

NVX XWS1625

25 ft 16-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

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25 ft 16-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

• True Spec 16 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Twisted-pair technology eliminates noise

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• True Spec 16 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Twisted-pair technology eliminates noise

NVX XW4BK20

20 ft 4-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Black)

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20 ft 4-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Black)

• 20 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Black

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    FAQ for Universal-Fit Audio & Electronics in 1974 Riviera

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1974 Buick Riviera?

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

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    • Owner's manual
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    • Vehicle produced after 2005: Inside driver's side door
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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.