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Scosche SAC656

Add 5-1/4" or 6-1/2" Speakers to Factory 7" Mounting Locations

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Add 5-1/4" or 6-1/2" Speakers to Factory 7" Mounting Locations

• The SA656 speaker adapters fit most aftermarket 5 1/4" and 6 1/2" speakers into a 7" factory opening

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This speaker adapter fits your 2003 Sentra
  • Front Door 6.5" Full-Range
  • Front Door 6.5"
  • Rear Deck Corner 6.5" Full-Range
  • Rear Door 6.5"
34
Was $14.95 Details
$13.95

In stock

• The SA656 speaker adapters fit most aftermarket 5 1/4" and 6 1/2" speakers into a 7" factory opening

American International NSB710

6.5" or 6.75" Speaker Adapters for select 1995-2024 vehicles from Nissan, Infiniti, Suzuki

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6.5" or 6.75" Speaker Adapters for select 1995-2024 vehicles from Nissan, Infiniti, Suzuki

• American International Speaker Adapters
• Compatible with select 1995-2024 vehicles from Nissan, Infiniti, Suzuki Vehicles
• Designed for 6.5" or 6.75" speakers
• Outer Diameter: 7.203"
• Inner Diameter: 5.768"
• Height: 0.83"

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This speaker adapter fits your 2003 Sentra
  • Front Door 6.5" Full-Range
  • Front Door 6.5"
  • Rear Deck Corner 6.5" Full-Range
  • Rear Door 6.5"
4
Was $34.00 Details
$11.99

In stock

• American International Speaker Adapters
• Compatible with select 1995-2024 vehicles from Nissan, Infiniti, Suzuki Vehicles
• Designed for 6.5" or 6.75" speakers
• Outer Diameter: 7.203"
• Inner Diameter: 5.768"
• Height: 0.83"

GROM Audio NISCDCB Infiniti and Nissan Bluetooth Streaming Kit (GROM-BT3-NISCDC)

Add Bluetooth Hands Free Calling and Music Streaming to Select 1999-2010 Infiniti and Nissan Factory Radios

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Add Bluetooth Hands Free Calling and Music Streaming to Select 1999-2010 Infiniti and Nissan Factory Radios

• Hands Free Bluetooth Car Kit
• Compatible With Select 1999-2010 Infiniti and Nissan Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

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FREE 2-day shipping to VA. Get it Thu, Mar. 21

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found car based on your search
This product fits your 2003 Sentra
$179.99

In stock

• Hands Free Bluetooth Car Kit
• Compatible With Select 1999-2010 Infiniti and Nissan Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

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Item added to your cart.

Price: $179.99

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Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Metra Speaker Harness (72-7401)

Speaker Harness for select 2000-2024 vehicles from Nissan, Infiniti

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Speaker Harness for select 2000-2024 vehicles from Nissan, Infiniti

• Compatible with select 2000-2024 vehicles from Nissan, Infiniti Vehicles
• Sold as a pair

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This product fits your 2003 Sentra
10
Was $12.99 Details
$8.99

In stock

• Compatible with select 2000-2024 vehicles from Nissan, Infiniti Vehicles
• Sold as a pair

Metra 70-7550 Wiring Harness

Install a new car stereo in select 1995-2018 vehicles from Nissan, Infiniti, Suzuki

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Install a new car stereo in select 1995-2018 vehicles from Nissan, Infiniti, Suzuki

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This product fits your 2003 Sentra
18
Was $29.99 Details
$6.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 72-7400

Speaker Harness for select 1991-2024 vehicles from Nissan

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Speaker Harness for select 1991-2024 vehicles from Nissan

• Compatible with select 1991-2024 vehicles from Nissan Vehicles
• Quick and easy installation
• No cutting into original wires needed
• Plugs directly into harness

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This product fits your 2003 Sentra
16
Was $14.99 Details
$7.99

In stock

• Compatible with select 1991-2024 vehicles from Nissan Vehicles
• Quick and easy installation
• No cutting into original wires needed
• Plugs directly into harness

Scosche NN03B Wiring Harness

Install a new car stereo in select 1995-2018 vehicles from Nissan, Infiniti, Suzuki

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Install a new car stereo in select 1995-2018 vehicles from Nissan, Infiniti, Suzuki

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This product fits your 2003 Sentra
114
Was $8.95 Details
$7.95

In stock

Only 3 Left!

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Axxess AXLOC-NIS

2-Channel Line Output Converter with Plug and Play T-harness for adding an aftermarket amplifier in Nissan 1995-2013

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2-Channel Line Output Converter with Plug and Play T-harness for adding an aftermarket amplifier in Nissan 1995-2013

• Plug and Play Design (No cutting or splicing)
• Provides 12-volt 500-mA remote wire
• Includes gain level controller to adjust the overall output
• Designed to provide 2-channels of low-level audio

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FREE 3-day shipping to VA. Get it Fri, Mar. 22

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Was $87.99 Details
$49.99

In stock

• Plug and Play Design (No cutting or splicing)
• Provides 12-volt 500-mA remote wire
• Includes gain level controller to adjust the overall output
• Designed to provide 2-channels of low-level audio

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Item added to your cart.

Price: $49.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

PAC ROEM-NIS2

Install a new car stereo and retain the Bose amplifier in select 1994-2018 vehicles from Nissan, Infiniti

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Install a new car stereo and retain the Bose amplifier in select 1994-2018 vehicles from Nissan, Infiniti

• System Interface To Replace Factory Installed Receivers
• Also Integrate Factory Amplifiers
• For 1995-02 Nissan Vehicles w/Bose System

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This product fits your 2003 Sentra
21
Was $75.00 Details
$39.99

In stock

• System Interface To Replace Factory Installed Receivers
• Also Integrate Factory Amplifiers
• For 1995-02 Nissan Vehicles w/Bose System

Metra 70-7551 Wiring Harness

Install a new car stereo and retain factory amplifier in select 1995-2015 vehicles from Nissan, Infiniti

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Install a new car stereo and retain factory amplifier in select 1995-2015 vehicles from Nissan, Infiniti

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This product fits your 2003 Sentra
23
Was $29.99 Details
$10.99

In stock

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Scosche NN07B Wiring Harness

Install a new car stereo and retain factory amplifier in select 1995-2015 vehicles from Nissan, Infiniti

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Install a new car stereo and retain factory amplifier in select 1995-2015 vehicles from Nissan, Infiniti

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This product fits your 2003 Sentra
2
Was $13.95 Details
$11.95

In stock

Only 1 Left!

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Scosche NN1495STB / NN1495ST Dash Kit

Install a new Single-DIN car stereo in select 2000-2009 Nissan Sentra (Black)

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Install a new Single-DIN car stereo in select 2000-2009 Nissan Sentra (Black)

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This product fits your 2003 Sentra
1
$14.99

In stock

Only 3 Left!

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

NN1495STB small

Item added to your cart.

Price: $14.99

Essential add-ons
Belva BTK105

5 Piece Installer's Removal Tool Kit

$18.99

$11.99

Add to cart

Scosche NN1495SDB / NN1495SD Dash Kit

Install a new Single-DIN car stereo in select 2000-2009 Nissan Sentra (Black)

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Install a new Single-DIN car stereo in select 2000-2009 Nissan Sentra (Black)

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This product fits your 2003 Sentra
3
Was $14.95 Details
$11.99

In stock

Only 1 Left!

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

NN1495SDB small

Item added to your cart.

Price: $11.99

Essential add-ons
Belva BTK105

5 Piece Installer's Removal Tool Kit

$18.99

$11.99

Add to cart

Metra 99-7414 Dash Kit

Install a new Single-DIN car stereo in select 2000-2009 Nissan Sentra (Black)

99-7414 big
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Install a new Single-DIN car stereo in select 2000-2009 Nissan Sentra (Black)

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

empty

found car based on your search
This product fits your 2003 Sentra
2
Was $29.99 Details
$14.99

In stock

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

99-7414 small

Item added to your cart.

Price: $14.99

Essential add-ons
Belva BTK105

5 Piece Installer's Removal Tool Kit

$18.99

$11.99

Add to cart

GROM Audio NISCDCU3 (GROM-USB3-NISCDC)

Android and iOS Smartphone Integration for Select 1999-2008 Infiniti and Nissan Vehicles

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Android and iOS Smartphone Integration for Select 1999-2008 Infiniti and Nissan Vehicles

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 1999-2008 Infiniti and Nissan Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

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FREE shipping to VA. Delivers Mar. 30 - Apr. 6

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found car based on your search
This product fits your 2003 Sentra
$174.99

Available

Ships in 10-14 days

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Item added to your cart.

Price: $174.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
GROM Audio C-35USB

5 Ft 3.5mm Auxiliary Input Cable with 5 Volt USB Charging

$16.99

$19.99

Add to cart
GROM Audio BTD

Optional Bluetooth Module for Music Streaming and Hands Free Calling

$64.99

$64.99

Add to cart
Five Piece Installer's Panel Removal Tool Kit

Helps with removing dash and trim panels during car stereo installation.

$18.99

$11.99

Add to cart

Metra 99-7414G Dash Kit

Install a new Single-DIN car stereo in select 2000-2009 Nissan Sentra (Gray)

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Install a new Single-DIN car stereo in select 2000-2009 Nissan Sentra (Gray)

• Single-DIN Dash Kit
• Painted scratch-resistant gray
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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Fast 3-day shipping to VA. Delivers Apr. 1 - Apr. 8

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found car based on your search
This product fits your 2003 Sentra
Was $29.99 Details
$16.99

Available

Ships in 10-14 days

• Single-DIN Dash Kit
• Painted scratch-resistant gray
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

99-7414G small

Item added to your cart.

Price: $16.99

Essential add-ons
Belva BTK105

5 Piece Installer's Removal Tool Kit

$18.99

$11.99

Add to cart

Massive Audio NIS6K

160W Peak (80W RMS) 6.5" Nissan OEM Coaxial Component Kit Speakers

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160W Peak (80W RMS) 6.5" Nissan OEM Coaxial Component Kit Speakers

• 160 watts Max Each, 80 watts RMS Each
• 20mm Aluminum Inverted Dome Tweeters
• Fiberglass cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB

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FREE shipping to VA. Delivers Mar. 30 - Apr. 6

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found car based on your search
This product fits your 2003 Sentra
Was $134.99 Details
$104.99

Available

Ships in 10-14 days

• 160 watts Max Each, 80 watts RMS Each
• 20mm Aluminum Inverted Dome Tweeters
• Fiberglass cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB

NIS6K small

Item added to your cart.

Price: $104.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Metra 71-7550

Reverse Wiring Harness for Select 1995-Up Nissan Vehicles Into OEM Radio

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Reverse Wiring Harness for Select 1995-Up Nissan Vehicles Into OEM Radio

• Wiring Harness for Select 1995-Up Nissan Vehicles Into OEM Radio
• Plugs into OEM Radio
• Power/4 Speaker
• Designed To Plug Into The Factory Radio
• Can Be Used To Repair Damaged OEM Harness

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This product fits your 2003 Sentra
1
Was $19.99 Details
$12.99

In stock

Only 3 Left!

• Wiring Harness for Select 1995-Up Nissan Vehicles Into OEM Radio
• Plugs into OEM Radio
• Power/4 Speaker
• Designed To Plug Into The Factory Radio
• Can Be Used To Repair Damaged OEM Harness

NVX XBAF65

2 Piece 6.5" or 6.75" Weatherproof Silicone Rubber Speaker Baffle Kit

XBAF65 big
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2 Piece 6.5" or 6.75" Weatherproof Silicone Rubber Speaker Baffle Kit

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Foldable design allows for varying depths

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This product fits your 2003 Sentra
44
Was $34.99 Details
$21.99

In stock

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Foldable design allows for varying depths

Metra 82-4301

Universal 1" Speaker Spacer Rings for 6" to 6-3/4"

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Universal 1" Speaker Spacer Rings for 6" to 6-3/4"

• Universal 1" Speaker Spacer Rings for 6" to 6.75" Aftermarket Car Speakers
• Color: Black
• High Grade ABS Plastic Construction
• Factory Matched Texture Style

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Fast 3-day shipping to VA. Get it Fri, Mar. 22

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found car based on your search
This speaker adapter fits your 2003 Sentra
  • Front Door 6.5" Full-Range
  • Front Door 6.5"
  • Rear Deck Corner 6.5" Full-Range
  • Rear Door 6.5"
3
Was $17.99 Details
$14.99

In stock

• Universal 1" Speaker Spacer Rings for 6" to 6.75" Aftermarket Car Speakers
• Color: Black
• High Grade ABS Plastic Construction
• Factory Matched Texture Style

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    FAQ for your 2003 Sentra

    Q: Can I upgrade the factory stereo system in my 2003 Nissan Sentra?

    A: Yes you can improve your sound in your Sentra by upgrading your speakers and/or adding an amplifier. You may also be able to update the stereo and main display in your 2003 Sentra if there is a dash kit and harness solution available.

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    2003 Nissan Sentra

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    • Owner’s manual
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    • Vehicle produced after 2005: Inside driver’s side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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