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2003 Lexus SC430

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 2003 Lexus SC430

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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NVX NE101P

Single 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo

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Single 10" Slot Ported 3/4" MDF Black Carpeted Subwoofer Enclosure – 1.5 Cu. Ft. with Polyfil and NVX Logo

• 10" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 1.50 cubic feet
• Premium Black Carpet with Black NVX Logo

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1
List price $101.99
-17% $84.99

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JL Audio 12TW3-D4

400W RMS 12" TW3 Series Dual 4-ohm Shallow Subwoofer

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400W RMS 12" TW3 Series Dual 4-ohm Shallow Subwoofer

• RMS Power: 400 watts
• Impedance: Dual 4 ohm
• Mica Injected Polypropylene - MIPP Cone
• Rubber Surround
• Mount depth: 3.5"
• Sensitivity: 84.11 dB

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$569.99

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Used from: $484.49

Metra IBWRD88

Dual 8-Gauge to 8-Gauge Input Wire Reducers

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Dual 8-Gauge to 8-Gauge Input Wire Reducers

• Dual 8-gauge input and output to 8-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

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List price $24.99
-12% $21.99

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Ships in 10-14 days

• Dual 8-gauge input and output to 8-gauge wire reducer
• Machined brass construction with Chrome finish
• Designed for aftermarket audio upgrades in any vehicle

Viper 2103V

1-Way Keyless Entry Car Alarm System with 4-Button Transmitter

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1-Way Keyless Entry Car Alarm System with 4-Button Transmitter

• 1-Way Keyless Entry Car Alarm System
• 4-Button Transmitter
• 1/4 mile (1320 feet) range

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List price $139.99
-14% $119.99

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• 1-Way Keyless Entry Car Alarm System
• 4-Button Transmitter
• 1/4 mile (1320 feet) range

Directed 504K

OEM Interface Stinger with LED Valet Switch Pod

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OEM Interface Stinger with LED Valet Switch Pod

• OEM Alarm Shock Sensor Upgrade Kit
• Allows factory alarm systems to detect impacts to the vehicle
• Designed to interface for factory alarms extra sensor input

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2
List price $94.99
-47% $49.99

• OEM Alarm Shock Sensor Upgrade Kit
• Allows factory alarm systems to detect impacts to the vehicle
• Designed to interface for factory alarms extra sensor input

Axxess AX-PS

Universal Programmable Amplifier Turn On/Off Timer

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Universal Programmable Amplifier Turn On/Off Timer

• Universal amplifier turn on/off timer
• Easy 4 wire installation
• Color coded wires

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List price $23.99
-13% $20.99

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• Universal amplifier turn on/off timer
• Easy 4 wire installation
• Color coded wires

PAC LC1

Universal Wired Bass Remote Controller

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Universal Wired Bass Remote Controller

• Universal Wired Bass Remote
• Multiple mounting options
• Features stereo RCA input and output
• No additional wiring needed for installation

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List price $19.00
-47% $9.99

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• Universal Wired Bass Remote
• Multiple mounting options
• Features stereo RCA input and output
• No additional wiring needed for installation

JL Audio M-MCPv3-SM

ETXv3 Enclosed Speaker System Fixture, for surface/deck mounting & Four Winns Tower

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ETXv3 Enclosed Speaker System Fixture, for surface/deck mounting & Four Winns Tower

• JL Audio Tower Speaker Mounting Kit
• Clamp is intended for Surface/deck Mounting and Four Winns mounting only
• For M-Series and MX-Series JL Audio Tower Speakers

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$169.99

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Only 2 Left!

• JL Audio Tower Speaker Mounting Kit
• Clamp is intended for Surface/deck Mounting and Four Winns mounting only
• For M-Series and MX-Series JL Audio Tower Speakers

Stinger SGP90801

80 Amp Circuit Breaker

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80 Amp Circuit Breaker

• 80 Amp Circuit Breaker
• Dust and splash proof
• Accepts 1/0 or 4 gauge wire
• Push button reset can also be used as a kill switch
• Easily mount on firewall or other panel

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List price $139.00
-53% $65.99

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• 80 Amp Circuit Breaker
• Dust and splash proof
• Accepts 1/0 or 4 gauge wire
• Push button reset can also be used as a kill switch
• Easily mount on firewall or other panel

4 Pack of 125 Amp Nickel-Plated MANL Fuse (Belva BMANL125)

Four fuses per order. High quality 125 Amp MANL Fuses

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Four fuses per order. High quality 125 Amp MANL Fuses

• 125A MANL Fuse (4 Pack)
• Nickel Plated for Better Power Transfer
• Resealable Polybag
• Heavy Duty Construction

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List price $8.99
-56% $3.99

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• 125A MANL Fuse (4 Pack)
• Nickel Plated for Better Power Transfer
• Resealable Polybag
• Heavy Duty Construction

Scosche Tuneshare IUHPS

3.5 mm to 3.5 mm Headphone Audio Splitter

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3.5 mm to 3.5 mm Headphone Audio Splitter

• 3.5 mm to 3.5 mm Headphone Audio Splitter
• Allows for two people to listen to one audio source at once
• Length: 4.56" / 0.38 ft

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-20% $7.95

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• 3.5 mm to 3.5 mm Headphone Audio Splitter
• Allows for two people to listen to one audio source at once
• Length: 4.56" / 0.38 ft

Metra 89-50-0900

Universal Trim Rings

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Universal Trim Rings

• Universal Double-DIN trim rings
• For Double-DIN radio installations

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List price $27.99
-54% $12.99

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• Universal Double-DIN trim rings
• For Double-DIN radio installations

Heise RGBW-PT1

5-pin RGBW Hardwire Pigtail Adapter

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5-pin RGBW Hardwire Pigtail Adapter

• 5-pin RGBW Hardwire Pigtail Adapter
• Designed for use with RGBW-CB1 controller (Sold separately)
• Cable Length: 6 inches

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List price $6.99
-14% $5.99

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• 5-pin RGBW Hardwire Pigtail Adapter
• Designed for use with RGBW-CB1 controller (Sold separately)
• Cable Length: 6 inches

Directed 451M

Door Lock Relay Module with Resistors DEI 451M

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Door Lock Relay Module with Resistors DEI 451M

• Door Lock Relay Module with Resistors DEI 451M
• Compatible with most Directed Electronics systems
• 3-Pin Plug Interface with DEI system
• Will interface with most electric power door lock systems drawing 30A or less

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List price $21.99
-32% $14.99

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• Door Lock Relay Module with Resistors DEI 451M
• Compatible with most Directed Electronics systems
• 3-Pin Plug Interface with DEI system
• Will interface with most electric power door lock systems drawing 30A or less

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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• 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 NE81S

Single 8" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.45 Cu. Ft. with Polyfil and NVX Logo

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Single 8" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 0.45 Cu. Ft. with Polyfil and NVX Logo

• 8" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: .45 cubic feet
• Premium Black Carpet with Black NVX Logo

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1
List price $65.99
-9% $59.99

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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

Crimestopper SPTX-42

1-Way 5-Button Remote Start Keyless Entry Replacement LED Remote

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1-Way 5-Button Remote Start Keyless Entry Replacement LED Remote

• 1-Way 5-Button Replacement LED Remote
• Up to 1500 feet of range (0.28 miles)
• Replacement remote for SP-402

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• 1-Way 5-Button Replacement LED Remote
• Up to 1500 feet of range (0.28 miles)
• Replacement remote for SP-402

NVX VAD10001 v2 (VAD10001v2)

2000W Peak (1000W RMS) Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote (Marine Certified)

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2000W Peak (1000W RMS) Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote (Marine Certified)

• 420 watts x 1 channel @ 4 ohm
• 760 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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-8% $209.99

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Available Offers (2) for NVX VAD10001 v2 (VAD10001v2)
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$178.49 with coupon | Price details
2026-06-30 23:59:00
Save 30% on an NVX XKIT42 Amp Kit with Purchase! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT42 Amp Kit! No code needed — discount applies automatically at checkout.

Directed 524CL

524CL Cable Lock Bracket Kit (DEI 524CL)

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524CL Cable Lock Bracket Kit (DEI 524CL)

• Allows aftermarket actuators to work with cable door lock systems
• Each kit operates two doors
• Does not include actuators
• Includes module, wiring harness and installation guide

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• Allows aftermarket actuators to work with cable door lock systems
• Each kit operates two doors
• Does not include actuators
• Includes module, wiring harness and installation guide

Clarion CMR-10

Wired Marine Remote Control without LCD Display for Select Clarion Marine Stereos

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Wired Marine Remote Control without LCD Display for Select Clarion Marine Stereos

• Wired marine remote control without display
• Compatible with select Clarion stereos
• Easily adds up to 3 remotes
• IP67-rated water resistant design

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$99.99

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• Wired marine remote control without display
• Compatible with select Clarion stereos
• Easily adds up to 3 remotes
• IP67-rated water resistant design

T-Spec V8-3DDC

Digital Capacitor 3.0 Farad Distribution Top

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Digital Capacitor 3.0 Farad Distribution Top

• 3.0 Farad Digital Capacitor
• Voltage Meter
• Impact Resistant Polycarbonate Cover
• Simple Mounting System

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List price $176.99
-10% $158.99

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• 3.0 Farad Digital Capacitor
• Voltage Meter
• Impact Resistant Polycarbonate Cover
• Simple Mounting System

AudioControl EPICENTER MICRO PRO

2-Channel Digital Bass Processor and Line Out Converter with ACR-4 Bass Remote

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2-Channel Digital Bass Processor and Line Out Converter with ACR-4 Bass Remote

• Digital Bass Restoration Processor
AudioControl ACR-4 bass remote included
• Speaker and line-level (RCA) inputs
• ParaBass equalization circuitry for bass shaping

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$229.00

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• Digital Bass Restoration Processor
AudioControl ACR-4 bass remote included
• Speaker and line-level (RCA) inputs
• ParaBass equalization circuitry for bass shaping

NVX XAPK4

Full Spec 4 Gauge 100% (OFC) Oxygen Free Copper Amplifier Power Wiring Kit with Speaker Wire for Amplifiers up to 1500 Watts

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Full Spec 4 Gauge 100% (OFC) Oxygen Free Copper Amplifier Power Wiring Kit with Speaker Wire for Amplifiers up to 1500 Watts

• 4 Gauge Power Amplifier Installation Kit
• For Amplifiers Up To 1500 Watts RMS
• 100% (OFC) Oxygen Free Copper
• Tinned conductors for corrosion resistance
• Pre-terminated seamless power and ground ring terminals
• ANL/Mini-ANL Fuse Holder with 100 amp fuse
• CEA-2015 and BC5W2 Compliant

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15% off an NVX XCAP10H w/ Select Amp Kits Add a qualifying amplifier to your cart and save 15% on the NVX XCAP10H Capacitor! No code needed — discount applies automatically at checkout.
15% off an NVX XCAP1F w/ Select Amp Kits Add a qualifying amplifier to your cart and save 15% on the NVX XCAP1F Capacitor! No code needed — discount applies automatically at checkout.

Metra 82-4300

1" Universal Spacer Rings for 6.5" to 6.75" Speakers

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1" Universal Spacer Rings for 6.5" to 6.75" Speakers

• Works with most 5 1/4", 6 1/2" and 6 3/4" speakers
• Gives 1 inch extra depth

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• Works with most 5 1/4", 6 1/2" and 6 3/4" speakers
• Gives 1 inch extra depth

Stinger SSGA48

Stinger Select 4 to 8 Ga Set Screw Gauge Adapter

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Stinger Select 4 to 8 Ga Set Screw Gauge Adapter

• Brass Construction
• 4 GA to 8 GA
• Nickel Plated Finish
• Large Set Screws

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• Brass Construction
• 4 GA to 8 GA
• Nickel Plated Finish
• Large Set Screws

JBL Stage 122 (JBLSUBST122AM)

1000W Peak (250W RMS) 12" Stage Series Single 4-ohm Car Subwoofer

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1000W Peak (250W RMS) 12" Stage Series Single 4-ohm Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 250 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 6"
• Sensitivity: 91 dB

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List price $129.95
-15% $109.95

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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

Metra 44-UA20 Antenna

Replacement Amplified Hide-Away Antenna

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Replacement Amplified Hide-Away Antenna

• Replacement Amplified Hide-Away Antenna for AM/FM Bands
• Active Magnetic-Type Antenna
• Works on the Magnetic Field

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• Replacement Amplified Hide-Away Antenna for AM/FM Bands
• Active Magnetic-Type Antenna
• Works on the Magnetic Field

Cerwin Vega VPAS12

600W Peak (250W RMS) Loaded Single 12" Under Seat Powered Subwoofer Enclosure with Passive Radiator

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600W Peak (250W RMS) Loaded Single 12" Under Seat Powered Subwoofer Enclosure with Passive Radiator

• 12" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs

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• 12" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs

Deaf Bonce Apocalypse AT-32

140W Peak (70W RMS) 3" Apocalypse Series 4-ohm Car Tweeters

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140W Peak (70W RMS) 3" Apocalypse Series 4-ohm Car Tweeters

• 3" Apocalypse Series Tweeters
• 70 watts Peak Each
• 35 watts RMS Each
• 4 ohm Impedance

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$109.90

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• 3" Apocalypse Series Tweeters
• 70 watts Peak Each
• 35 watts RMS Each
• 4 ohm Impedance

Belva BST408

Pair of 4 Gauge Spade Terminals, #8 Opening with Nickel Plated Brass (1 Black & 1 Red)

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Pair of 4 Gauge Spade Terminals, #8 Opening with Nickel Plated Brass (1 Black & 1 Red)

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

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

Sundown Audio U-6.5SW D4 6.5" (U65SWD4)

1000W Peak (500W RMS) 6.5" U Series Dual 4-ohm Car Subwoofer (SW-UV16.5D4)

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1000W Peak (500W RMS) 6.5" U Series Dual 4-ohm Car Subwoofer (SW-UV16.5D4)

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 4 ohm
• Pressed Paper Cone
• Double-Stitched Surround
• Mount depth: 5.71"
• Sensitivity: 78.14 dB

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List price $239.99
-17% $199.99

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MTX 5510-44

800W Peak (400W RMS) 10" 55 Series Dual 4-ohm Car Subwoofer

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800W Peak (400W RMS) 10" 55 Series Dual 4-ohm Car Subwoofer

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 5.625"
• Sensitivity: 83.5 dB

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$189.95

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Metra 44-EC144 Antenna Extension

12 ft. (144") Antenna Extension Cable with Impedance Matching Capacitors

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12 ft. (144") Antenna Extension Cable with Impedance Matching Capacitors

• Extension cable perfect when installing an FM modulated multi-disc CD changer, or other FM modulated tuner like a Satellite Radio box
• Also works with hideaway "brain" units from multimedia receivers

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• Extension cable perfect when installing an FM modulated multi-disc CD changer, or other FM modulated tuner like a Satellite Radio box
• Also works with hideaway "brain" units from multimedia receivers

Kicker DL7S122 (44DL7S122)

3000W Peak (1500W RMS) Loaded Dual 12" Vented Enclosure

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3000W Peak (1500W RMS) Loaded Dual 12" Vented Enclosure

• Ported enclosure with 2 12" Solo-Baric L7S Series Subwoofer
• 1500 watts RMS (3000 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 33-3/4" L x 16" H x 16-1/4" W x 19-1/2" W2

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Stinger SSVLP0BL

50 ft. 1/0 Gauge Power Wire (Matte Blue)

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50 ft. 1/0 Gauge Power Wire (Matte Blue)

• 50 feet 1/0 gauge Power Wire
• CCA (Copper-Clad Aluminum) material
• Ultra flexible CCA cable construction
• Color: Matte Blue

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Universal Icon Universal – fits most vehicles.

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List price $269.00
-37% $169.00

In stock

• 50 feet 1/0 gauge Power Wire
• CCA (Copper-Clad Aluminum) material
• Ultra flexible CCA cable construction
• Color: Matte Blue

NVX XIV65

16.4 ft (5 meter) 6-Channel V-Series RCA Audio Interconnect Cable

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16.4 ft (5 meter) 6-Channel V-Series RCA Audio Interconnect Cable

• Shielded noise-rejecting Twisted-pair construction
• Heavy gauge OFC conductors ensure superior sound quality
• Split-tip Silver-Plated ends offer best in class signal transfer
• Molded ends equipped with colored channel identifiers

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Universal Icon Universal – fits most vehicles.

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List price $49.99
-40% $29.99

In stock

• Shielded noise-rejecting Twisted-pair construction
• Heavy gauge OFC conductors ensure superior sound quality
• Split-tip Silver-Plated ends offer best in class signal transfer
• Molded ends equipped with colored channel identifiers

NVX XWS1650

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

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50 ft 16-Gauge EnvyFlex 100% Oxygen Free Copper (OFC) 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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Universal Icon Universal – fits most vehicles.

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37
List price $39.99
-25% $29.99

In stock

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

Limitless Lithium LL-IR500A

500A Battery Isolator and Relay

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500A Battery Isolator and Relay

• 500-amp Relay and Battery Isolator
• High current isolation relay designed for adding a secondary battery
• Prevents primary battery discharge when the vehicle engine is off
• Maximum Contact Rating: 500 amps
• Mechanical Life Cycle: 100000

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Universal Icon Universal – fits most vehicles.

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$79.00

In stock

Only 1 Left!

• 500-amp Relay and Battery Isolator
• High current isolation relay designed for adding a secondary battery
• Prevents primary battery discharge when the vehicle engine is off
• Maximum Contact Rating: 500 amps
• Mechanical Life Cycle: 100000

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    FAQ for Universal-Fit Audio & Electronics in 2003 SC430

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2003 Lexus SC430?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your SC430.

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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.