Garage
Shop

See all parts that fit your 2014 Impala

Metra 40-LX21 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2008-2017 vehicles from Lexus, Subaru

Metra
Shop all Metra
Only 2 Left!
highlight-star-icon

• Antenna adapter kit for select 2010 Lexus Vehicles

See compatible vehicles Learn more about the met-40lx21
No Fit Icon

Doesn't fit your 2014 Impala

Similar items | Update vehicle | Vehicle store
List price $18.99
Thanks , You Pay:
-21%

$14.99

 with warranty
4 payments of $4

Heads up

Your vehicle can use this product in multiple locations. Only a quantity of one can be selected from the product page. You will have the option to adjust the quantity within your cart.

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Quantity
In Stock. Only 2 Left!
Brand new

Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

Extend logo

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

  • Hassle-free immediate replacement within minutes!
  • Easy online claims 24/7
  • Covers product breakdowns and failures
Swoosh Icon Icon of Swoosh

For over 25 years, we've been your X-Factor – the team dedicated to having the biggest impact on your shopping experience!

Award winning icon
Award-Winning Service
Shipping icon
FREE Shipping Orders $49+
60 days return policy icon
60-Day Easy Returns
lowest price guarantee icon
Guaranteed Lowest Price
inHouseExpert
In-House Experts

Loading...
AP4-GM61 main

PAC AmpPRO 4 AP4-GM61

AmpPro for Select GM Vehicles with 20-pin and 8-pin Connectors (MOST50) Audio Output Interface

1
-12.75%

$479.00

List price $549.00

APSUB-GM61 main

PAC APSUB-GM61

Amplifier and Subwoofer Integration Interface for select 2014-2021 vehicles from Chevrolet, GMC, Cadillac with BOSE Systems

4
-21.11%

$299.00

List price $379.00

iLX-W650 main

Alpine iLX-W650

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

123
-5.72%

$329.95

List price $349.95

NSP65 main

NVX NSP65

540W Peak (180W RMS) 6.5" N-Series 2 Way Coaxial Car Speakers

93
-35.19%

$69.99

List price $107.99

Limited time!
DMX709S main

Kenwood eXcelon DMX709S

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto (Sirius XM Ready)

20
-33.50%

$399.00

List price $600.00

VSP65 main

NVX VSP65

600W Peak (200W RMS) 6.5" V-Series 2 Way Coaxial Car Speakers

64
-15.39%

$109.99

List price $129.99

VSP65KIT main

NVX VSP65KIT

750W Peak (250W RMS) 6.5" V-Series 2 Way Component Car Speakers

84
-15.39%

$109.99

List price $129.99

NSP69 main

NVX NSP69

900W Peak (300W RMS) 6x9" N-Series 2 Way Coaxial Car Speakers

53
-16.67%

$89.99

List price $107.99

VSP69 main

NVX VSP69

900W Peak (300W RMS) 6x9" V-Series 2 Way Coaxial Car Speakers

54
-16.67%

$109.99

List price $131.99

C2-650 main

JL Audio C2-650

200W RMS 6.5" C2 Series 2 Way Component 4-ohm Speakers

21

Description


Metra brand icon

Authorized dealer

General Features:

  • Antenna Adapter Kit
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 2014 Chevrolet Impala is not compatible. Change vehicle or See list of compatible similar products


Loading...
BV850ACP main

Boss Elite BV850ACP

6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera

5
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

122
-33.36%

$79.96

List price $119.99

Limited time!
46CSC6934 main

Kicker CSC693 (46CSC6934)

900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers

40
-30.02%

$111.96

List price $159.99

DMH-1800NEX main

Pioneer DMH-1800NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready

2
-16.67%

$349.99

List price $420.00

iLX-W650 main

Alpine iLX-W650

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

123
-5.72%

$329.95

List price $349.95

Club 322F main

JBL Club 322F (SPKCB322FAM)

150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers

1
-27.29%

$79.95

List price $109.95

DMH-W4660NEX main

Pioneer DMH-W4660NEX

6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)

2
-20.00%

$599.99

List price $750.00

43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

28
-10.53%

$84.99

List price $94.99

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

12
-9.16%

$109.00

List price $119.99

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95


Best selling similar products

40-EU55 small

Metra 40-EU55

• Antenna adapter
• For select 2000-2026 vehicles from Audi, Chevrolet, Ram
• Use for replacing vehicle radio
• Male Motorola connector and power wire on one end
• Male European-style FAKRA on the other end

(49)

$19.99

List price $22.99

VWA4B small

Scosche VWA4B Antenna Adapter

• Audi/BMW/VW Antenna Adaptor
• adapts factory antenna to aftermarket radio
• select 2000-2026 vehicles from Audi, Chevrolet, Volkswagen Vehicles

(11)

$12.99

List price $15.79

40-EU20 small

Metra 40-EU20 Antenna Adapter

• Radio to Antenna Adapter
• select 2000-2024 vehicles from Ford, BMW, Chevrolet Vehicles
• Factory radio with mini-style plug to universal antenna

(3)

$8.99

List price $13.99

40-CR20 small

Metra 40-CR20 Antenna Adapter

• Radio to Antenna Adapter Cable
• select 2002-2025 vehicles from Ford, Chevrolet, GMC Vehicles
• Adapter to Universal Antenna

(6)

$9.99

List price $7.99

AD-EU5 small

Metra AD-EU5

• Amplified antenna adapter cable
• Compatible with select 2000-2026 vehicles from Audi, Chevrolet, Ram
• Converts factory antenna to standard male Motorola plug
• Includes power wire to provide 12V signal
• Features "Mini-style" (FAKRA) connector
• Plug and play connection, no cutting of wires required

$11.99

List price $13.99

CR-6 small

American International CR-6

• Antenna Adapter for select 2002-2020 vehicles from Ford, Chevrolet, GMC
• Replace factory radio with aftermarket radio
• Mini Chrysler female one end and Motorola male other end
• Easy plug and play installation

(39)

$3.99

List price $14.99

40-GM10 small

Metra 40-GM10

• Antenna adapter for select 1958-2023 vehicles from GMC, Chevrolet, Pontiac
• Use for replacing vehicle radio
• Male Motorola connector on one end
• Female connector on other end

(45)

$8.99

List price $7.99

40-LX11 small

Metra 40-LX11

• Antenna adapter for select 2006-2025 vehicles from Toyota, Subaru, Lexus
• Use for replacing vehicle radio
• Male Motorola connector on one end
• Female Molex connector on other end

(35)

$14.99

List price $17.99

40-EU10 small

Metra 40-EU10 Antenna Adapter

• Retains factory antenna for select 2000-2017 vehicles from BMW, Mercedes-Benz, Ford
• Male Motorola on one end
• Male European-style FAKRA connector on the other end
• Easy installation
• No cutting or splicing required

(44)

$11.99

List price $13.99

40-CR10 small

Metra 40-CR10 Antenna Adapter

• Antenna to Radio Adapter Cable
• Compatible with select 2002-2025 vehicles from Ford, Chevrolet, GMC Vehicles with snap-lock factory antenna
• Adapter to aftermarket radio

(57)

$7.49

List price $8.99

Item Details


Manufacturer:

Model Number:

40-LX21

Weight:

0.90lbs

Internal SKU:

met-40lx21

Internal Product ID:

126733

Customer Ratings & Reviews


Metra 40-LX21 Antenna Adapter thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found

TMWBA small

MTX Audio TMWBA Tower Speaker Adapter

Tower Speaker Adapter to Roll Cage for TM652WB-B Marine Tower Speakers

$29.95

List price $34.95

WWX-DZ-BT small

Wet Sounds WWX-DZ-BT

Dual Zone Marine Bluetooth Controller

$219.99

List price $219.99

MFA-1.800 small

Deaf Bonce Machete MFA-1.800

800W RMS Class D Machete Series Monoblock Subwoofer Amplifier with Bass Remote

(1)

$149.90

List price $149.90

ST-DS-TRI small

Mobile Solutions Triangle Cutting Template Set (ST-DS-TRI)

Designer Series Triangle Cutting Template - contain 6 pieces

$109.99

List price $142.99

CVMPCL80_2 small

Cerwin Vega CVMPCL8.0 (Pair, 2-Total)

800W Max (400W RMS) 8" Stroker Pro Series Coaxial Car Speaker (Pair)

$279.98

List price $335.98

M6-880SGI-S-An small

JL Audio M6-880SGI-S-An

Sport Grille Insert for JL Audio 8.8" M6 Marine Speakers (Anthracite)

$39.99

List price $39.99

P1000X1D small

Rockford Fosgate P1000X1D

1000W RMS 1-Channel Monoblock Class D Punch Series High Efficiency Amplifier

$349.99

List price $799.99

DAX800XR_MRR_S8GM3_8 small

Kenwood eXcelon DAX800XR Direct Fit Digital Receiver Package

for Includes Receiver, Interface Module, Mount Brackets, Harness, iDataLink Maestro ACC-HU-KEN1, Bypass Harness (8" Screen Amp Bypass Only / Factory Amp Only) Plug and Play Upgrade Kit

(38)

$1456.96

List price $2074.96

DES652_SDSK2 small

Diamond Audio DES652 with Sound Damping

240W Peak (120W RMS) 6.5" Elite Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

(46)

$244.98

List price $238.73

Related Searches


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

2014 Chevrolet Impala

1995 Mazda MX-6

2006 Cadillac SRX

2003 Nissan Maxima

2003 Ford Excursion

2000 Isuzu Hombre

2012 Kia Sedona

1987 Buick Electra

2003 Hummer H2

2000 Lotus Esprit

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 page 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.