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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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JL Audio SGR-10W6v2/v3

Mesh Grille for Select JL Audio 10" W6v2 and W6v3 Subwoofers (Black)

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Mesh Grille for Select JL Audio 10" W6v2 and W6v3 Subwoofers (Black)

• 10" Subwoofer Mesh Grille Insert for W6v2 and W6v3 Subwoofers
• Powder-coated steel mesh grille in satin black finish
• Protects subwoofers against potential damage

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$29.99

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• 10" Subwoofer Mesh Grille Insert for W6v2 and W6v3 Subwoofers
• Powder-coated steel mesh grille in satin black finish
• Protects subwoofers against potential damage

JL Audio STACK KIT-3

Stacking Hardware for 3 Slash v2 & v3 Amplifiers

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Stacking Hardware for 3 Slash v2 & v3 Amplifiers

Stacking Hardware for Three Slash v2 Amplifiers
• Made With JL Audio High Quality
• Precision Machined
• Colored Black

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1
$39.99

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Stacking Hardware for Three Slash v2 Amplifiers
• Made With JL Audio High Quality
• Precision Machined
• Colored Black

Wet Sounds ST-ADP-RND 1.75

Mounting Clamps for Stealth Soundbars with 1.75" Round Tubing

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Mounting Clamps for Stealth Soundbars with 1.75" Round Tubing

• Mounting clamp for Stealth soundbars with 1.75" round tubing
• Allows soundbar mounting to the roll cage or tower tubing
• CNC'd from billet aluminum for extra durability
• Includes mounting hardware

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$37.99

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• Mounting clamp for Stealth soundbars with 1.75" round tubing
• Allows soundbar mounting to the roll cage or tower tubing
• CNC'd from billet aluminum for extra durability
• Includes mounting hardware

Avital 3103LX

1-Way Remote Start Keyless Entry System with (2) 1320ft Range 4-Button Transmitters

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1-Way Remote Start Keyless Entry System with (2) 1320ft Range 4-Button Transmitters

• 1-Way Remote Car Starter
• 4-Button Transmitter
• 1/4 mile (1320 ft.) range
• Features 2 auxiliary outputs
• Internal antenna and transmit LED
• Command buttons

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List price $129.99
-62% $49.99

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• 1-Way Remote Car Starter
• 4-Button Transmitter
• 1/4 mile (1320 ft.) range
• Features 2 auxiliary outputs
• Internal antenna and transmit LED
• Command buttons

Limited time!

Rockford Fosgate Punch P1-2X12

1000W Peak, Punch P1 Dual 12" P1S412 Subwoofer Loaded Enclosure

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1000W Peak, Punch P1 Dual 12" P1S412 Subwoofer Loaded Enclosure

• Two 12" Punch Series Stage 1 Subwoofers
• Kevlar Reinforced Paper Cone
• Tear and Fatigue Resistant
• Proprietary Spider Venting/Cooling Technique
• Solid 5/8" MDF Construction

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List price $489.99
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-10% $439.99

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Used from: $373.99

NVX XWS1250

50 ft 12-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

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50 ft 12-Gauge EnvyFlex 100% Oxygen Free Copper Speaker Wire (Blue/Gray)

• True Spec 12 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

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List price $94.99
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• True Spec 12 gauge EnvyFlex Speaker Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue and Gray
• Translucent EnvyFlex flexible multi-strand construction

Steve Meade Designs OM-1

Output Level Meter

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List price $111.98
-18% $91.98

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Heise HE-BD22

200W Universal 22" Blackout Series Dual Row 40 LED Light Bar

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200W Universal 22" Blackout Series Dual Row 40 LED Light Bar

• Universal 22" 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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List price $464.99
-10% $417.99

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• Universal 22" 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

Install Bay 3MHST12

3M 1/2" Diameter Black Heat Shrink Tubing

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3M 1/2" Diameter Black Heat Shrink Tubing

• 1/2 inch
• polyoefin
• 4 feet

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• 1/2 inch
• polyoefin
• 4 feet

NVX NE151S

Single 15" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.1 Cu. Ft. with Polyfil and NVX Logo

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Single 15" Sealed 3/4" MDF Black Carpeted Subwoofer Enclosure – 2.1 Cu. Ft. with Polyfil and NVX Logo

• 15" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.10 cubic feet
• Premium Black Carpet with Black NVX Logo

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List price $107.99
-17% $89.99

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• 15" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Internal box volume: 2.10 cubic feet
• Premium Black Carpet with Black NVX Logo

Kicker CXA800.1 (46CXA8001T)

800W RMS Class D CX Series Monoblock Car Amplifier

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800W RMS Class D CX Series Monoblock Car Amplifier

• 300 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• 800 watts x 1 channel @ 1 ohm
• Total RMS Power: 800 watts
• Class D 1 ohm Stable Monoblock Amplifier

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List price $329.99
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Available Offers (2) for Kicker CXA800.1 (46CXA8001T)
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Sundown Audio Z-15 v.7 D1 15" (Z15V7D1)

7000W Peak (3500W RMS) 15" Z Series V7 Dual 1-ohm Car Subwoofer (SW-ZV715D1)

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7000W Peak (3500W RMS) 15" Z Series V7 Dual 1-ohm Car Subwoofer (SW-ZV715D1)

• Peak Power: 7000 watts
• RMS Power: 3500 watts
• Impedance: Dual 1 ohm
• Treated Paper Cone
• Treated Foam Surround
• Sensitivity: 91.58 dB

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• Peak Power: 7000 watts
• RMS Power: 3500 watts
• Impedance: Dual 1 ohm
• Treated Paper Cone
• Treated Foam Surround
• Sensitivity: 91.58 dB

NVX VADM1 v2 (VADM1v2)

600W RMS Class D V-Series Micro Monoblock Car/Marine/Powersports Amplifier with Bass Remote

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600W RMS Class D V-Series Micro Monoblock Car/Marine/Powersports Amplifier with Bass Remote

• 240 watts x 1 channel @ 4 ohm
• 400 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 1 ohm Stable Monoblock Amplifier

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List price $239.99
-21% $189.99
$161.49 with coupon | Price details
2026-06-30 23:59:00
Save 30% off an NVX XKIT82 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT82 Amp Kit! No code needed — discount applies automatically at checkout.
Used from: $119.99
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Belva BAK44BL

4 Gauge Premium (CCA) Copper Clad Aluminum Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - BLUE

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4 Gauge Premium (CCA) Copper Clad Aluminum Complete 4-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1200 Watts - BLUE

• Complete 4 Gauge Amplifier Installation Kit
• For Amplifiers Up To 1200 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 4-Channel RCA Cable
• ANL/Mini-ANL Fuse Holder with 80 amp fuse
• Complies to American Wire Gauge standards

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List price $79.99
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Atrend 12TKDV

Empty Dual 12" Truck Vented Subwoofer Enclosure

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Empty Dual 12" Truck Vented Subwoofer Enclosure

• 12" Dual Truck Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Miter and Dado construction
• Premium carpet finish
• Silver spring loaded terminal cups
• Glued and braced with fasteners
• Total box volume: 0.69 cubic feet

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Kicker KBTR (51KBTR)

All-Weather Powersports Bluetooth Audio Receiver and Controller

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All-Weather Powersports Bluetooth Audio Receiver and Controller

• Powersports Bluetooth Audio Receiver and Controller
• Easily pairs with any Bluetooth audio device
• Compact IP66 water-resistant design
• Compatible with UTV dash double-switch knockouts
• Stereo RCA line-out, remote turn-on, and subwoofer-level adjustments

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List price $189.99
-11% $169.99

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• Powersports Bluetooth Audio Receiver and Controller
• Easily pairs with any Bluetooth audio device
• Compact IP66 water-resistant design
• Compatible with UTV dash double-switch knockouts
• Stereo RCA line-out, remote turn-on, and subwoofer-level adjustments

NVX YSW154

1600W Peak (800W RMS) 15" Y-Series Dual 4-ohm Car Subwoofer

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1600W Peak (800W RMS) 15" Y-Series Dual 4-ohm Car Subwoofer

• Peak Power: 1600 watts
• RMS Power: 800 watts
• Impedance: Dual 4 ohm
• Enhanced Pressed Paper Cone
• High Roll Foam Surround
• Mount depth: 7.47"
• Sensitivity: 85 dB

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List price $167.99
-23% $129.99

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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.

Install Bay 2" Round Terminal Cup (TCRBG2)

Round Binding Post with Gold Terminals for Subwoofer and Speaker Boxes

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Round Binding Post with Gold Terminals for Subwoofer and Speaker Boxes

• Universal round terminal cup for speaker and subwoofer boxes
• Gold-plated contacts improve signal transfer
• Installation is a breeze
• Rear connections secure with nuts
• Thumbscrew binding posts secure the connection

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• Universal round terminal cup for speaker and subwoofer boxes
• Gold-plated contacts improve signal transfer
• Installation is a breeze
• Rear connections secure with nuts
• Thumbscrew binding posts secure the connection

Install Bay IBFG8

8 Gauge (3/4" Mounting Hole) Waterproof Firewall Grommet

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8 Gauge (3/4" Mounting Hole) Waterproof Firewall Grommet

• 8 Gauge Firewall Grommet
• IP68 Waterproof Rating
• Protects Cables When Installing Through a FIrewall
• Sold Individually

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• 8 Gauge Firewall Grommet
• IP68 Waterproof Rating
• Protects Cables When Installing Through a FIrewall
• Sold Individually

Sundown Audio LCS 12 v.2 D4 12" (LCS12V2D4)

1000W Peak (500W RMS) 12" LCS Series Dual 4-ohm Car Subwoofer (SW-LCSV212D4)

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1000W Peak (500W RMS) 12" LCS Series Dual 4-ohm Car Subwoofer (SW-LCSV212D4)

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 4 ohm
• Paper cone
• Foam surround
• Sensitivity: 87.4 dB

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List price $209.99
-17% $174.99

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Used from: $122.49

JL Audio M-SWMCPv3-2.375 (Open Box, Good)

ETXv3 Enclosed Speaker System Swivel Mount Fixture, for pipe diameter of 2.37"

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ETXv3 Enclosed Speaker System Swivel Mount Fixture, for pipe diameter of 2.37"

• JL Audio Tower Speaker Mounting Kit
• Clamp has an Inner Diameter of 2.375 Inches
• For JL Audio M880-ETXv3, M770-ETXv3 and MX770-ETXv3 Speaker Models

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List price $349.99
-40% $209.99

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• JL Audio Tower Speaker Mounting Kit
• Clamp has an Inner Diameter of 2.375 Inches
• For JL Audio M880-ETXv3, M770-ETXv3 and MX770-ETXv3 Speaker Models

NVX SDBP40

91 mil 36 sq ft Full Car Sound Deadening Kit (Nine 18" x 32" Sheets)

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91 mil 36 sq ft Full Car Sound Deadening Kit (Nine 18" x 32" Sheets)

• 36 square feet sound deadening kit
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Entire Vehicle
• Pack includes nine 18" x 32" sheets

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List price $119.99
-13% $104.99

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• 36 square feet sound deadening kit
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Entire Vehicle
• Pack includes nine 18" x 32" sheets

NVX XTRI1

Remote Turn-on Module

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Remote Turn-on Module

• Remote Turn-On Module
• Used To Turn On Remote Amplifiers
• 2 Second Delay To Prevent Turn-On Noise
• Supplies 2 Amps Of Current
• Can Drive Multiple Amps Or A Power Antenna
• Activated By Low Level Trigger Lead

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List price $14.99
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• Remote Turn-On Module
• Used To Turn On Remote Amplifiers
• 2 Second Delay To Prevent Turn-On Noise
• Supplies 2 Amps Of Current
• Can Drive Multiple Amps Or A Power Antenna
• Activated By Low Level Trigger Lead

JL Audio MMC-6

6 ft. MediaMaster remote controller cable

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6 ft. MediaMaster remote controller cable

• Media Master Remote controller cable
• 6-foot Extension Cable

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$34.99

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• Media Master Remote controller cable
• 6-foot Extension Cable

Alpine KTE-S65G

Mesh Grilles for Alpine 6.5" S-Series Speakers

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Mesh Grilles for Alpine 6.5" S-Series Speakers

• Metal Mesh Grill with Alpine logo

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List price $30.00
-20% $24.00

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• Metal Mesh Grill with Alpine logo

NVX XCW152RC

Recone Kit for XCW152 Subwoofers

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Recone Kit for XCW152 Subwoofers

• Kits are assembled to ensure perfect fitment and alignment
• Each kit includes all new soft moving parts
• Impedance: Dual 2-ohm
• CA glue adhesive is NOT included

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List price $191.99
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• Kits are assembled to ensure perfect fitment and alignment
• Each kit includes all new soft moving parts
• Impedance: Dual 2-ohm
• CA glue adhesive is NOT included

Rockford Fosgate Prime R2 R2-200X2

200W RMS Class D Prime Series 2 Channel Car Amplifier

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200W RMS Class D Prime Series 2 Channel Car Amplifier

• 50 watts x 2 channel @ 4 ohm
• 100 watts x 2 channel @ 2 ohm
• Bridged: 200 watts x 1 channel @ 4 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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$239.99

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FREE Belva Amp Kit at Checkout!
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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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• 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

Sundown Audio SA-10 Classic D4 10" (SA10CLD4)

2000W Peak (1000W RMS) 10" SA Classic Series Dual 4-ohm Car Subwoofer (SW-SACL10D4)

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2000W Peak (1000W RMS) 10" SA Classic Series Dual 4-ohm Car Subwoofer (SW-SACL10D4)

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 4 ohm
• Competition Grade Paper Cone
• Treated Foam Surround
• Mount depth: 6"
• Sensitivity: 81.6 dB

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List price $383.99
-17% $319.99

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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

Alpine KTX-SLEEVE

Single DIN Installation Sleeve for Alpine Halo9 and Halo11 Stereos

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Single DIN Installation Sleeve for Alpine Halo9 and Halo11 Stereos

• Single DIN stereo installation sleeve
• Fits Alpine Halo9 and Halo11 stereos
• Strong metal design for secure installation
• Bendable and locking tabs

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List price $25.00
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• Single DIN stereo installation sleeve
• Fits Alpine Halo9 and Halo11 stereos
• Strong metal design for secure installation
• Bendable and locking tabs

Rockford Fosgate Prime R2 R2-500X4

500W RMS Class D Prime Series 4 Channel Car Amplifier

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500W RMS Class D Prime Series 4 Channel Car Amplifier

• 75 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Stinger SHD820

HPM Series MANL/MIDI Fused Power Distribution Block with Satin Chrome Finish

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HPM Series MANL/MIDI Fused Power Distribution Block with Satin Chrome Finish

• HPM Series Fused Power Distribution Block
• One 1/0 Gauge or 4 Gauge Input
• Two 4/8 Gauge Outputs
• Multiple Output Design
• Protective Cover Included
• Corrosion Resistant Satin Chrome Finish

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• HPM Series Fused Power Distribution Block
• One 1/0 Gauge or 4 Gauge Input
• Two 4/8 Gauge Outputs
• Multiple Output Design
• Protective Cover Included
• Corrosion Resistant Satin Chrome Finish

Sundown Audio SML-12 D2 12" (SML12D2)

1200W Peak (600W RMS) 12" SML Series Dual 2-ohm Shallow Car Subwoofer (SW-SML12D2)

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1200W Peak (600W RMS) 12" SML Series Dual 2-ohm Shallow Car Subwoofer (SW-SML12D2)

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 2 ohm
• Pressed Paper cone
• Pressed Foam surround
• Mount depth: 4.45"
• Sensitivity: 87.5 dB

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-13% $249.99

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Only 1 Left!

XS Power XP750

750W 22 Ah Absorbent Glass Mat (AGM) Secondary Battery

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750W 22 Ah Absorbent Glass Mat (AGM) Secondary Battery

• 12-volt Absorbent Glass Mat (AGM) Secondary Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 750W car audio stereo systems
• Compatible with most vehicle applications

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List price $199.99
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Kicker L7XS121 (52L7XS121)

3000W RMS 12" SoloXS L7XS Series Dual 1-ohm Square Car Subwoofer

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3000W RMS 12" SoloXS L7XS Series Dual 1-ohm Square Car Subwoofer

• RMS Power: 1500 - 3000 watts
• Impedance: Dual 1 ohm
• Double-pressed pulp Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 10-1/8"

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-7% $1,399.99

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• RMS Power: 1500 - 3000 watts
• Impedance: Dual 1 ohm
• Double-pressed pulp Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 10-1/8"

Kenwood eXcelon KCA-RCDV340

Infrared Remote Control for Video and Navigation Receivers

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Infrared Remote Control for Video and Navigation Receivers

• IR Remote Controller for multimedia receivers
• Mode switch: AUD mode/DVD mode/TV mode
• Includes 2 AAA batteries

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• IR Remote Controller for multimedia receivers
• Mode switch: AUD mode/DVD mode/TV mode
• Includes 2 AAA batteries

NVX XW4WH20

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

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

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

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NVX QBUS8P

300W Peak (150W RMS) 8" Under-Seat Powered Car Subwoofer System

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300W Peak (150W RMS) 8" Under-Seat Powered Car Subwoofer System

• Low Profile Ported Subwoofer System
• 150 Watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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• Low Profile Ported Subwoofer System
• 150 Watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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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:

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