Garage
Shop

1987 GMC P4500

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 1987 GMC P4500

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.

Loading...
Filters

We are sorry, no available results!

filter-icon Filters & Sort

Escort Smartcord USB

Radar Detector Power Cord w/ Two Amp USB Charging Port

0010056-1 big
Go to item page Right Arrow Icon of Right Arrow

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

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$39.95

In stock

• 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

Stinger SSGA48

Stinger Select 4 to 8 Ga Set Screw Gauge Adapter

SSGA48 big
Go to item page Right Arrow Icon of Right Arrow

Stinger Select 4 to 8 Ga Set Screw Gauge Adapter

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

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3
List price $9.00
-11% $7.99

Available

Ships in 10-14 days

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

NVX XIV25

16.4 ft (5 meter) 2-Channel V-Series RCA Audio Interconnect Cable

XIV25 big
Go to item page Right Arrow Icon of Right Arrow

16.4 ft (5 meter) 2-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

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

43
List price $21.99
-18% $17.99

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

Limited time!

NVX XBTPN08

Positive/Negative Battery Terminal Clamp with Two 1/0 or 4 Gauge and Two 8 Gauge Outputs

XBTPN08 big
Go to item page Right Arrow Icon of Right Arrow

Positive/Negative Battery Terminal Clamp with Two 1/0 or 4 Gauge and Two 8 Gauge Outputs

• Positive or Negative Battery Terminal Clamp
• Connects to the positive or negative battery terminal
• Splits the connection to 4 outputs
• Two 1/0 or 4 Gauge and two 8 Gauge outputs

Independance Deals Save 10% at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

33
List price $24.99
-40% $14.99

In stock

• Positive or Negative Battery Terminal Clamp
• Connects to the positive or negative battery terminal
• Splits the connection to 4 outputs
• Two 1/0 or 4 Gauge and two 8 Gauge outputs

Limited time!

Belva BLPCAM2

License Plate Mounted Waterproof Rearview Backup Camera with Built in Night Vision

BLPCAM2 big
Go to item page Right Arrow Icon of Right Arrow

License Plate Mounted Waterproof Rearview Backup Camera with Built in Night Vision

• Universal Rear View Backup Camera
• Mounting Style: Full License Plate Frame
• Resolution: 720 x 480 
• Waterproof: Yes
• Nightvision: Infrared LED's

Independance Deals Save 10% at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

57
List price $99.99
-60% $39.99

In stock

Used from: $29.99

• Universal Rear View Backup Camera
• Mounting Style: Full License Plate Frame
• Resolution: 720 x 480 
• Waterproof: Yes
• Nightvision: Infrared LED's

Stinger SGP35

500 Amp Relay and Isolator

SGP35 big
Go to item page Right Arrow Icon of Right Arrow

500 Amp Relay and Isolator

• Prevents Primary Battery Discharge
• Maximum Current Transfer
• Ideal for 2nd Audio Battery Isolation from Vehicle Systems
• 500A Constant/ 900A Peak

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 $379.00
-69% $117.99

In stock

• Prevents Primary Battery Discharge
• Maximum Current Transfer
• Ideal for 2nd Audio Battery Isolation from Vehicle Systems
• 500A Constant/ 900A Peak

Metra 82-6902

Universal 1/2" Spacer for 6x9" Speakers

82-6902 big
Go to item page Right Arrow Icon of Right Arrow

Universal 1/2" Spacer for 6x9" Speakers

• Universal 1/2" Speaker Spacers
• Fits 6" x 9" Speakers
• OEM Automotive Grade ABS Plastic Construction
• Color: Black

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3
List price $29.99
-10% $26.99

In stock

• Universal 1/2" Speaker Spacers
• Fits 6" x 9" Speakers
• OEM Automotive Grade ABS Plastic Construction
• Color: Black

American International SG-600DX

Universal 1" Spacers for 5.25" to 6" Speakers

SG-600DX big
Go to item page Right Arrow Icon of Right Arrow

Universal 1" Spacers for 5.25" to 6" Speakers

• Universal spacers for car speakers
• Includes 2 spacers (screws not included)
• Compatible Speaker Size: 5.25" to 6"
• Spacer Thickness: 1"

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

27
List price $19.99
-65% $6.99

In stock

• Universal spacers for car speakers
• Includes 2 spacers (screws not included)
• Compatible Speaker Size: 5.25" to 6"
• Spacer Thickness: 1"

Limited time!

InstallBay Complete 0 Gauge Dual-Amp Kit (AK01)

Dual Amplifier Installation Wiring Kit with 0 Gauge Wiring, 4 Gauge Wiring, Distribution Block, Battery Terminals, and more...

AK01 big
Go to item page Right Arrow Icon of Right Arrow

Dual Amplifier Installation Wiring Kit with 0 Gauge Wiring, 4 Gauge Wiring, Distribution Block, Battery Terminals, and more...

• Complete 0 Gauge Amplifier Installation Kit
• Designed for Systems up to 3600 Watts
• Includes Everything Needed for Installation
• Premium Power and Ground 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 $16.50 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

110
List price $183.99
-10% $164.99

In stock


Available Deal
AK01 main
Offer may end without notice

Eligible items

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


• Complete 0 Gauge Amplifier Installation Kit
• Designed for Systems up to 3600 Watts
• Includes Everything Needed for Installation
• Premium Power and Ground Cable

JL Audio VXi-HUB

JLid-Communication and Optical Audio Network Hub for JL Audio VXi Amplifiers

VXi-HUB big
Go to item page Right Arrow Icon of Right Arrow

JLid-Communication and Optical Audio Network Hub for JL Audio VXi Amplifiers

• JLid-communication and optical audio network hub
• Allows connection of multiple VXi Series amplifiers
• Connects to JLid-COMM port on VXi amps via Cat5 Ethernet cables
• Provides JLid-communication and optional S/PDIF

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

VIP Product Get $19.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$189.99

In stock

Only 2 Left!

• JLid-communication and optical audio network hub
• Allows connection of multiple VXi Series amplifiers
• Connects to JLid-COMM port on VXi amps via Cat5 Ethernet cables
• Provides JLid-communication and optional S/PDIF

BBS-1 big
Go to item page Right Arrow Icon of Right Arrow

Universal Siren, works with any alarm system!

• Makes noise even if thief disconnects main car battery
• Key on/off feature to allow manual override

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 $39.99
-63% $14.99

In stock

• Makes noise even if thief disconnects main car battery
• Key on/off feature to allow manual override

Limitless Lithium LL-IR500A

500A Battery Isolator and Relay

LL-IR500A big
Go to item page Right Arrow Icon of Right Arrow

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

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$79.00

In stock

• 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

Limited time!

2 Pack of 300 Amp Nickel-Plated ANL Fuse (Belva BANL300)

Two fuses per order. High quality 300 Amp ANL Fuses

BANL300 big
Go to item page Right Arrow Icon of Right Arrow

Two fuses per order. High quality 300 Amp ANL Fuses

• 300A ANL Fuse
• 2 Pack
• Nickel Plated
• Resealable Polybag
• Heavy Duty Construction

Independance Deals Save 10% at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

19
List price $7.99
-50% $3.99

In stock

• 300A ANL Fuse
• 2 Pack
• Nickel Plated
• Resealable Polybag
• Heavy Duty Construction

AudioControl DM-810

10-Channel Matrix Digital Sound Processor with AccuBASS

DM-810 big
Go to item page Right Arrow Icon of Right Arrow

10-Channel Matrix Digital Sound Processor with AccuBASS

• Premium matrix digital sound processor
• 8-Channel preamp input and 10-Channel preamp output
• 30-Band equalizer for adjusting gain, delay, and polarity
• High-pass, low-pass and band-pass crossovers
• Features GTO signal sensing, MILC clip detection, and AccuBASS
• Also features signal summing and signal delay

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

VIP Product Get $82.90 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

8
List price $1109.00
-25% $829.00

In stock

Used from: $663.20

• Premium matrix digital sound processor
• 8-Channel preamp input and 10-Channel preamp output
• 30-Band equalizer for adjusting gain, delay, and polarity
• High-pass, low-pass and band-pass crossovers
• Features GTO signal sensing, MILC clip detection, and AccuBASS
• Also features signal summing and signal delay

American International SG-650DX

Universal 0.5" Spacers for 6.5" Speakers

SG-650DX big
Go to item page Right Arrow Icon of Right Arrow

Universal 0.5" Spacers for 6.5" Speakers

• Universal spacers for car speakers
• Includes 2 spacers (screws not included)
• Compatible Speaker Size: 6.5"
• Spacer Thickness: 0.5"

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

18
List price $19.99
-60% $7.99

In stock

• Universal spacers for car speakers
• Includes 2 spacers (screws not included)
• Compatible Speaker Size: 6.5"
• Spacer Thickness: 0.5"

JL Audio SGR-12W6v2/v3

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

SGR-12W6v2/v3 big
Go to item page Right Arrow Icon of Right Arrow

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

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

21
$39.99

In stock

Only 3 Left!

• 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

Sound Extreme by ECOXGEAR ACC-SERV7

1.5" to 3" Universal Roll Cage Mounting Clamps

ACC-SERV7 big
Go to item page Right Arrow Icon of Right Arrow

1.5" to 3" Universal Roll Cage Mounting Clamps

• Universal Roll-Cage Soundbar Mounting Clamps
• Designed for use in SoundExtreme soundbars (Sold separately)
• Fits in 1.5" to 3" mounting tubes
• Sold in pairs

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 $129.99
-8% $119.99

In stock

Only 3 Left!

• Universal Roll-Cage Soundbar Mounting Clamps
• Designed for use in SoundExtreme soundbars (Sold separately)
• Fits in 1.5" to 3" mounting tubes
• Sold in pairs

Directed 506T

Glass Break Audio Sensor

506T big
Go to item page Right Arrow Icon of Right Arrow

Glass Break Audio Sensor

• Audio Sensor That Detects Attempts to Tamper with or Break Your Vehicle's Glass

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

19
List price $41.99
-33% $27.99

In stock

• Audio Sensor That Detects Attempts to Tamper with or Break Your Vehicle's Glass

Stinger SGP90250

High Power 250Amp Circuit Breaker w/ Built-In Distribution

SGP90250 big
Go to item page Right Arrow Icon of Right Arrow

High Power 250Amp Circuit Breaker w/ Built-In Distribution

• Stinger Select Circuit Breaker
• Power Rating: 250 Amps
• Push Button Reset
• Water Resistant Housing
• Integrated Holes for Simple Mounting
• Compact and Lightweight Design

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
List price $139.00
-53% $65.99

In stock

• Stinger Select Circuit Breaker
• Power Rating: 250 Amps
• Push Button Reset
• Water Resistant Housing
• Integrated Holes for Simple Mounting
• Compact and Lightweight Design

NVX VCW152v3RC

Recone Kit for VCW152v3 Version 3 Subwoofers

VCW152v3RC big
Go to item page Right Arrow Icon of Right Arrow

Recone Kit for VCW152v3 Version 3 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

shipping truck icon Free shipping in USA. Provide zip for delivery date.
List price $131.99
-17% $109.99

In stock

Only 3 Left!

• 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

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 1987 P4500

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1987 GMC P4500?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your P4500.

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

    1987 GMC P4500

    1985 Alfa Romeo Spider

    1982 Oldsmobile Omega

    1998 GMC K2500 Suburban

    1994 Dodge Grand Caravan

    1970 Lincoln Continental

    1983 Oldsmobile Cutlass Calais

    1989 Dodge Ramcharger

    1975 Oldsmobile Cutlass

    1978 Oldsmobile Delta 88

    Vehicle
    Store
    Delete

    2005 Harley Davidson FLHTCI Electra Glide Classic

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

    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.