Garage
Shop
Account Icon
Account
Box Icon
Track
order
Telephone Icon
Call
Help Icon
Help
Door with Arrow Icon
Sign In

2004 Buick Rainier

Change vehicle | Remove vehicle

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.

Overview Upgrade your Stereo Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

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.

Better sound with your factory radio

Better sound with a factory radio

Love your factory look or can't replace the stereo? We got you covered.

Filters
Replacement antennas ✕
Clear Filters
Reset Done
Product Type
Replacement antennas,
You Recently Chose:
Bass remotes (50)
Speaker enclosures (52)
Subwoofer enclosures (213)
Subwoofers (1,137)
Amplifiers (927)
Subwoofers with a box (784)
Amplifiers with a wiring kit (439)
RCA cables and accessories (263)
Subwoofers with an amplifier and box (187)
Lighting accessories (175)
Subwoofer grilles (169)
Tweeters (Pro and special-fit) (147)
Speaker clamps and brackets (139)
Amplifier wiring kits (135)
Batteries (129)
Power and ground wire (128)
Fuses (123)
Speaker grilles (120)
Backup cameras (118)
Sound damping (104)
Subwoofers with an amplifier (101)
Handlebar and bar-mount speakers (97)
Alarm remote transmitters (96)
Line-out converters (88)
Fuse holders (81)
Speaker wire (73)
Replacement antennas (64)
Ring terminals (63)
Distribution blocks (58)
Light bars (58)
Connectors (57)
Speaker spacers and rings (50)
Bluetooth adapters and transmitters (48)
Cables and interconnects (48)
Sound processors (39)
Speaker baffles (39)
Trim rings and universal mounts (39)
Alarms (34)
Dash cameras (33)
Recone kits (32)
Stereo remote controls (32)
Rocker and Button switches (31)
Circuit breakers (30)
Primary/Remote wire (29)
Battery isolators and relays (27)
Audio test equipment (26)
Battery terminals (26)
Exterior lighting (26)
Installation accessories (25)
Trigger output and bypass modules (24)
Tweeters (24)
Alarm accessories (23)
Antenna extension cables (23)
Split loom and heat shrink (22)
Diodes and resistors (21)
Capacitors (19)
Knockout panels (18)
Equalizers (16)
Noise filters (15)
Terminal cups (14)
Battery terminal posts (13)
Rearview monitor and mirrors (13)
Adapters (12)
Headlight bulbs (12)
Radar and laser detectors (11)
Video adapters and switchers (11)
Speaker diaphragms (10)
Bass booster enhancers and processors (9)
Battery chargers (8)
Power inverters (8)
2-way and CB radios (7)
Amplifier mounting hardware (7)
Panel and clip removal tools (7)
Voltmeters (7)
Blindspot cameras and sensors (6)
Gauge adapters (6)
Grommets and firewall bushings (6)
Headlights (6)
Sensors (6)
Box ports (5)
Carpet (5)
Knockout panel mount hardware (5)
Line drivers (5)
Passive crossovers (5)
Power supplies (5)
Steering wheel adapters (5)
Active Crossovers (4)
Bass Blockers (4)
License plates and frames (4)
Parking sensors (4)
Amplifier cooling fans (3)
Door panel clips (3)
Subwoofer (3)
Big 3 upgrade kits (2)
Door actuators and poppers (2)
In-motion video/navigation bypass (2)
Radar detector mounts (2)
Rearview mirror mounts (2)
Video amplifiers (2)
Alarms with remote start (1)
Backup batteries (1)
Cable management (1)
Connector sets (1)
FM modulators and transmitters (1)
Multi-camera and DVR systems (1)
Overhead monitors (1)
Remote mount media players (1)
Price Range
Product Fitment Type
Deals
Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!
Availability
filter-icon Filters & Sort

AmmoTenna 50CFB

5.5" 0.50 Cal Replica Antenna Mast (Black Carbon Fiber Wrap)

50CFB big
Go to item page Right Arrow Icon of Right Arrow

AmmoTenna 50CFB

5.5" 0.50 Cal Replica Antenna Mast (Black Carbon Fiber Wrap)

• 5.5" 0.50 caliber replica antenna mast
• Made with billet aluminum with black carbon fiber wrap
• Theft-resistant thermoform clamshell
• Centered product for balance while hanging
• Easy-to-read bold identifiers
• Includes all adapters

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 $45.99
-11% $40.99

Available

Ships in 10-14 days

Add to Cart

• 5.5" 0.50 caliber replica antenna mast
• Made with billet aluminum with black carbon fiber wrap
• Theft-resistant thermoform clamshell
• Centered product for balance while hanging
• Easy-to-read bold identifiers
• Includes all adapters

AmmoTenna 50FB

5.5" 0.50 Cal Replica Antenna Mast (Flat Black)

50FB big
Go to item page Right Arrow Icon of Right Arrow

AmmoTenna 50FB

5.5" 0.50 Cal Replica Antenna Mast (Flat Black)

• 5.5" 0.50 caliber replica antenna mast
• Made with billet aluminum with flat black wrap
• Theft-resistant thermoform clamshell
• Centered product for balance while hanging
• Easy-to-read bold identifiers
• Includes all adapters

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 $45.99
-11% $40.99

Available

Ships in 10-14 days

Add to Cart

• 5.5" 0.50 caliber replica antenna mast
• Made with billet aluminum with flat black wrap
• Theft-resistant thermoform clamshell
• Centered product for balance while hanging
• Easy-to-read bold identifiers
• Includes all adapters

AmmoTenna 50GD

5.5" Universal .50 Caliber Replica Antenna Mast with Adaptors (Gold)

50GD big
Go to item page Right Arrow Icon of Right Arrow

AmmoTenna 50GD

5.5" Universal .50 Caliber Replica Antenna Mast with Adaptors (Gold)

• 5.5" Universal .50 caliber replica antenna mast
• Made with durable billet aluminum construction
• Includes 10 adapters and rubber washer
• Simple screw-on installation, requires no vehicle modification
• Antenna mast color: Gold

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 $45.99
-11% $40.99

Available

Ships in 10-14 days

Add to Cart

• 5.5" Universal .50 caliber replica antenna mast
• Made with durable billet aluminum construction
• Includes 10 adapters and rubber washer
• Simple screw-on installation, requires no vehicle modification
• Antenna mast color: Gold

Metra AW-SHTB Antenna

13.5" Black Anodized Replacement Antenna Mast with Adapters

AW-SHTB big
Go to item page Right Arrow Icon of Right Arrow

Metra AW-SHTB Antenna

13.5" Black Anodized Replacement Antenna Mast with Adapters

• 13.5" Black anodized replacement antenna mast
• Fits into the original antenna location for AM/FM stations
• Easy removable mast design
• Includes multiple adapters to fit stereo connections

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
$9.99

Available

Ships in 10-14 days

Add to Cart

• 13.5" Black anodized replacement antenna mast
• Fits into the original antenna location for AM/FM stations
• Easy removable mast design
• Includes multiple adapters to fit stereo connections

Prev 1 2 3 4

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

    2011 Ram 4500

    2004 Buick Rainier

    2015 Audi A4

    2022 Ford E Series

    1978 Jeep J10

    1982 Audi 4000

    2009 Ford Edge

    2000 Nissan Maxima

    1957 Ford Thunderbird

    1973 Mazda Mizer

    Vehicle
    Store     Delete

    1995 Honda VFR750F Interceptor

    Vehicle
    Store     Delete

    2018 Can-Am Defender MAX HD8 XT

    2013 Can-Am Commander E LSV

    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

    Cancel

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

    Cancel

    Shop your 2004 Rainier
    Why Use a Vehicle Fit Guide?
    Change vehicle | Shop without vehicle
    Whoa! Slow down. Add your details below!
    additional information required
    Add vehicle details to confirm fitment
    Ignore fitment details
    Find stereos and more that work -- fast.

    Additional information:

    Remove

    Can't find your vehicle? Click here and we'll help.

    Where to find vehicle info

    Go to Fitment

    Didn't find your car?

    Submit your details and we'll help!
    Please enter the letters as they are shown in the image above. Letters are not case-sensitive.
    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
    Back

    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.

    Back
    Track your order
    Call our experts
    Support Center
    Return & Exchanges
    Follow on Instagram Instagram logo
    Subscribe on YouTube YouTube logo