Garage
Shop

2004 Buick Rainier

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 2004 Buick Rainier

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
filter-icon Filters & Sort

Stinger SI433

4000 Series 2-Channel Auxiliary Cable to Stereo RCA Interconnect - 3 FT

SI433 big
Go to item page Right Arrow Icon of Right Arrow

4000 Series 2-Channel Auxiliary Cable to Stereo RCA Interconnect - 3 FT

• 3.5mm to RCA
•Twisted Pair Interconnect
• 3 FT Long

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 $29.00
-17% $23.99

In stock

Only 3 Left!

• 3.5mm to RCA
•Twisted Pair Interconnect
• 3 FT Long

Rockford Fosgate PMXYC

Punch Marine Y Cable for PMX-1R and PMX-0R

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

Punch Marine Y Cable for PMX-1R and PMX-0R

• Marine Y-Adaptor Cable
• Compatible extension cable for PMX-1R and PMX-0R

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$49.99

In stock

Only 1 Left!

• Marine Y-Adaptor Cable
• Compatible extension cable for PMX-1R and PMX-0R

Rockford Fosgate PMX10C

Punch Marine 10 Foot Extension Cable

PMX10C big
Go to item page Right Arrow Icon of Right Arrow

Punch Marine 10 Foot Extension Cable

• 10-foot extension cable
• Compatible extension cable for PMX-8DH, PMX-1R, PMX-0R

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 $38.99
-23% $29.99

Available

Ships in 10-14 days

• 10-foot extension cable
• Compatible extension cable for PMX-8DH, PMX-1R, PMX-0R

Wet Sounds MC-TR-MINI-ADP

3.5mm Minijack-to-DIN Adapter Cable for Wet Sounds MC-TR-MINI Remote

MC-TR-MINI-ADP big
Go to item page Right Arrow Icon of Right Arrow

3.5mm Minijack-to-DIN Adapter Cable for Wet Sounds MC-TR-MINI Remote

• 3.5mm Minijack-to-DIN adapter cable
• Wiring for Wet Sounds MC-TR-MINI wired remote (Sold separately)
• Required for use in tandem with MC-1 and MC-2 marine media centers

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$22.99

Available

Ships in 10-14 days

• 3.5mm Minijack-to-DIN adapter cable
• Wiring for Wet Sounds MC-TR-MINI wired remote (Sold separately)
• Required for use in tandem with MC-1 and MC-2 marine media centers

JL Audio MMC-25

25 ft. MediaMaster Remote Controller Cable

MMC-25 big
Go to item page Right Arrow Icon of Right Arrow

25 ft. MediaMaster Remote Controller Cable

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

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$64.99

Available

Ships in 10-14 days

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

Wet Sounds WW-EXT-LD

4 Ft. Extension Cable for Wet Sounds WW-8CH-LD 8-Channel Line Driver

WW-EXT-LD big
Go to item page Right Arrow Icon of Right Arrow

4 Ft. Extension Cable for Wet Sounds WW-8CH-LD 8-Channel Line Driver

• 4-foot extension cable for 8-channel line driver
• 6-pin male-to-female connector
• Sealed construction designed for marine applications

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$21.99

Available

Ships in 10-14 days

• 4-foot extension cable for 8-channel line driver
• 6-pin male-to-female connector
• Sealed construction designed for marine applications

Stinger SI413

4000 Series 3.5mm Twisted Pair Interconnect - 3 FT

SI413 big
Go to item page Right Arrow Icon of Right Arrow

4000 Series 3.5mm Twisted Pair Interconnect - 3 FT

• 3.5mm to 3.5mm
•Twisted Pair Interconnect
• 3 FT Long

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 $29.00
-52% $13.99

In stock

• 3.5mm to 3.5mm
•Twisted Pair Interconnect
• 3 FT Long

JVC KS-UA50

4.9 Ft. Extension Cable for JVC Direct Replacement Receiver Models

KS-UA50 big
Go to item page Right Arrow Icon of Right Arrow

4.9 Ft. Extension Cable for JVC Direct Replacement Receiver Models

• Extension Cable for JVC Direct Replacement Receivers
• Extends reach to remote chassis and kick panel
• Includes 4.9 ft. monitor and control extension cables

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

VIP Product Get $15.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $160.00
-6% $150.00

In stock

• Extension Cable for JVC Direct Replacement Receivers
• Extends reach to remote chassis and kick panel
• Includes 4.9 ft. monitor and control extension cables

GROM Audio C-FM35USB

2-in-1 USB and 3.5 mm Auxillary Cable with Mounting Brackets

C-FM35USB big
Go to item page Right Arrow Icon of Right Arrow

2-in-1 USB and 3.5 mm Auxillary Cable with Mounting Brackets

• 2-in-1 USB and 3.5 mm auxillary cable
• Works with any USB input and 3.5mm audio jack
• Two mounting options: Flush mounting or using a supplied bracket

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$19.99

Available

Ships in 10-14 days

• 2-in-1 USB and 3.5 mm auxillary cable
• Works with any USB input and 3.5mm audio jack
• Two mounting options: Flush mounting or using a supplied bracket

Axxess AXDSPL-T4

4 Meter Universal Digital Optical Cable for DSP Lite

AXDSPL-T4 big
Go to item page Right Arrow Icon of Right Arrow

4 Meter Universal Digital Optical Cable for DSP Lite

• Universal digital optical cable for DSP lite
• Eliminate noise and electromagnetic interference
• Universal vehicle applications
• Cable length: 13 feet / 4 meter

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 $18.99
-11% $16.99

Available

Ships in 10-14 days

• Universal digital optical cable for DSP lite
• Eliminate noise and electromagnetic interference
• Universal vehicle applications
• Cable length: 13 feet / 4 meter

Rockford PMX-USBEXT

33 ft USB extension cable

PMX-USBEXT big
Go to item page Right Arrow Icon of Right Arrow

33 ft USB extension cable

• PMX-USBEXT 33 ft. USB Extension Cable
• USB 2.0 Type-A
• Cable Diameter: 5mm
• Supported Data Speed: Up to 480 Mbps

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 $79.99
-44% $44.99

In stock.

• PMX-USBEXT 33 ft. USB Extension Cable
• USB 2.0 Type-A
• Cable Diameter: 5mm
• Supported Data Speed: Up to 480 Mbps

Axxess A35-MM-6

6 Ft. 3.5mm Universal Male to Male Extension Cable

A35-MM-6 big
Go to item page Right Arrow Icon of Right Arrow

6 Ft. 3.5mm Universal Male to Male Extension Cable

• 3.5mm universal male to male extension cable
• Vehicle application: universal application
• Cable length: 6 feet / 1.82 meter

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$6.99

Available

Ships in 10-14 days

• 3.5mm universal male to male extension cable
• Vehicle application: universal application
• Cable length: 6 feet / 1.82 meter

DS18 MRX-EXT20

20 Ft. MXRC Remote Control Marine and Powersports Extension Cord

MRX-EXT20 big
Go to item page Right Arrow Icon of Right Arrow

20 Ft. MXRC Remote Control Marine and Powersports Extension Cord

• 20 Ft. MXRC remote control extension cord
• Compatible with MRC and MXRC
• Easy to use plug and play solution
• Works with 3.5 mm connector
• Power and sound extension cord included

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 $39.99
-18% $32.95

Available

Ships in 10-14 days

• 20 Ft. MXRC remote control extension cord
• Compatible with MRC and MXRC
• Easy to use plug and play solution
• Works with 3.5 mm connector
• Power and sound extension cord included

Kicker KRCY1

Splitter cable for connection to KRC15 Digital Commanders to the KMC20 or KMC10

KRCY1 big
Go to item page Right Arrow Icon of Right Arrow

Splitter cable for connection to KRC15 Digital Commanders to the KMC20 or KMC10

• Use to connect multiple KRC15 Digital Commanders to the KMC20 or KMC10

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$49.99

Available

Ships in 10-14 days

• Use to connect multiple KRC15 Digital Commanders to the KMC20 or KMC10

Axxess AXDSPL-T3

3 Meter Universal Digital Optical Cable for DSP Lite

AXDSPL-T3 big
Go to item page Right Arrow Icon of Right Arrow

3 Meter Universal Digital Optical Cable for DSP Lite

• Universal digital optical cable for DSP lite
• Eliminate noise and electromagnetic interference
• Universal vehicle applications
• Cable length: 10 feet / 3 meter

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 $12.99
-15% $10.99

In stock

Only 2 Left!

• Universal digital optical cable for DSP lite
• Eliminate noise and electromagnetic interference
• Universal vehicle applications
• Cable length: 10 feet / 3 meter

GROM Audio C-FM35

3.5mm Flush-Mount Female Auxillary Cable

C-FM35 big
Go to item page Right Arrow Icon of Right Arrow

3.5mm Flush-Mount Female Auxillary Cable

• Standard female 3.5 mm auxillary cable support for flush mountable aux port
• Works with any 3.5mm audio cable
• Dashboard mounting option with supplied bracket
• Requires an aux-in connector to link to GROM car stereo adapter
GROM Audio 35USB sold spearately

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$11.99

Available

Ships in 10-14 days

• Standard female 3.5 mm auxillary cable support for flush mountable aux port
• Works with any 3.5mm audio cable
• Dashboard mounting option with supplied bracket
• Requires an aux-in connector to link to GROM car stereo adapter
GROM Audio 35USB sold spearately

Axxess AXLTG-BL (Blue)

36" Replacement USB to Lightning Cable for Compatible iOs Devices

AXLTG-BL big
Go to item page Right Arrow Icon of Right Arrow

36" Replacement USB to Lightning Cable for Compatible iOs Devices

• Replacement USB to Lightning cable for compatible iOs devices
• Supports charging and data transfer
• Heavy duty aluminum casing
• Braided cloth jacket
• Length: 3 ft. (36")

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 $14.99
-13% $12.99

In stock

Only 2 Left!

• Replacement USB to Lightning cable for compatible iOs devices
• Supports charging and data transfer
• Heavy duty aluminum casing
• Braided cloth jacket
• Length: 3 ft. (36")

MTX ZN1-35-35

9.8 ft 3.5mm Male to 3.5mm Male Interconnect

ZN1-35-35 big
Go to item page Right Arrow Icon of Right Arrow

9.8 ft 3.5mm Male to 3.5mm Male Interconnect

• 3.5mm Male to 3.5 Male Interconnect
• Length: 3 meters (9.8 feet)

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 $14.95
-13% $12.95

Available

Ships in 10-14 days

• 3.5mm Male to 3.5 Male Interconnect
• Length: 3 meters (9.8 feet)

Axxess A35-MM-2

2 Ft. 3.5mm Universal Male to Male Extension Cable

A35-MM-2 big
Go to item page Right Arrow Icon of Right Arrow

2 Ft. 3.5mm Universal Male to Male Extension Cable

• 3.5mm universal male to male extension cable
• Vehicle application: universal application
• Cable length: 2 feet / 0.6 meter

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$11.99

Available

Ships in 10-14 days

• 3.5mm universal male to male extension cable
• Vehicle application: universal application
• Cable length: 2 feet / 0.6 meter

Axxess AXDSPL-T2

2 Meter Universal Digital Optical Cable for DSP Lite

AXDSPL-T2 big
Go to item page Right Arrow Icon of Right Arrow

2 Meter Universal Digital Optical Cable for DSP Lite

• Universal digital optical cable for DSP lite
• Eliminate noise and electromagnetic interference
• Universal vehicle applications
• Cable length: 6.5 feet / 2 meter

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 $11.99
-17% $9.99

Available

Ships in 10-14 days

• Universal digital optical cable for DSP lite
• Eliminate noise and electromagnetic interference
• Universal vehicle applications
• Cable length: 6.5 feet / 2 meter

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 2004 Rainier

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2004 Buick Rainier?

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

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

    2007 Mazda RX-8

    2004 Buick Rainier

    2002 Lexus IS300

    2018 Ford Transit

    1987 Ford Mustang

    2016 Audi A3

    2014 Mazda 3

    2017 Mazda 6

    2018 Ford C-Max

    2007 Mazda CX-7

    Vehicle
    Store
    Delete

    2018 Can-Am Defender MAX HD8 XT

    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.