Garage
Shop

See all parts that fit your 2018 BRZ

Kicker KMWPY420 (47KMWPY420)

20 Feet of Yellow Marine Rated 4 Gauge Wire

Kicker
Shop all Kicker
highlight-star-icon

• Marine Rated Power Wire
• 4 AWG

Learn more about the 47kmwpy420
Universal fit Icon

Universal – fits most vehicles.

Similar items | Update vehicle | Vehicle store
Thanks , You Pay:

$89.99

 with warranty
Starting at $16/mo or 4 payments of $23 Buy now, pay later and installment payment plans are offered by Afterpay and Affirm. Learn more

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
Available: Ships in 10-14 days
Brand new

Buy it now

XW4BK20 main
NVX NVX XW4BK20 20 ft 4-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Black)

(9)

$54.99
Sponsored

Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

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
NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
82-8148 main

Metra 82-8148

6" to 6.75" Speaker Bracket for select 1998-2024 vehicles from Toyota, Subaru, Scion

35
-50.01%

$18.99

List price $37.99

72-8110 main

Metra 72-8110

Install New Speakers and Tweeters in select 2003-2025 vehicles from Subaru, Toyota, Scion

8
Limited time!
Kappa 63XF main

Infinity Kappa 63XF (INFSPKKA63XFAM)

510W Peak (170W RMS) 6.5" Kappa Series 2 Way Coaxial 3-ohm Speakers

10
-33.34%

$199.95

List price $299.95

Description


Kicker brand icon

Authorized dealer

General Features:

  • Meets or Exceeds U.S. Coast Guard and ABYC Testing Standards, Safe for New Boat Construction
  • Gauge: 4
  • Color: Yellow
  • Length: 20 Feet
  • Tinned in Anti-corrosive Nickel
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Loading...
SB-S-BRZFRS/10TW3 main

JL Audio Stealthbox® SB-S-BRZFRS/10TW3

Custom fit subwoofer enclosure for select 2013-2020 BRZ and FR-S and 86

$1,049.99

Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

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

124
-33.36%

$79.96

List price $119.99

DMH-1800NEX main

Pioneer DMH-1800NEX

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

3
-19.05%

$339.99

List price $420.00

UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth

44
-16.69%

$149.95

List price $180.00

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

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
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

Limited time!
DMH-W3050NEX main

Pioneer DMH-W3050NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)

1
-24.20%

$469.99

List price $620.00

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

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


Best selling similar products

XW1850BL small

NVX XW1850BL

• 50 feet 18 gauge Remote Wire
• OFC (100% Oxygen-Free Copper) material
• Color: Blue

(19)

$11.99

List price $19.98

XW4BL5 small

NVX XW4BL5

• 5 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue

(29)

$19.99

List price $29.99

XW4BK20 small

NVX XW4BK20

• 20 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Black

(9)

$54.99

List price $53.99

XW8BL20 small

NVX XW8BL20

• 20 feet 8 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue

(20)

$29.99

List price $44.99

XW4BK5 small

NVX XW4BK5

• 5 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Black

(5)

$19.99

List price $29.99

SSVLP0BL small

Stinger SSVLP0BL

• 50 feet 1/0 gauge Power Wire
• CCA (Copper-Clad Aluminum) material
• Ultra flexible CCA cable construction
• Color: Matte Blue

$169.00

List price $269.00

SPW318BL small

Stinger SPW318BL

Single conductor wire • Length: 500ft • Flexible jacket • Gauge: 18 Gauge •

$64.99

List price $139.00

XW0WH20 small

NVX XW0WH20

• 20 feet 1/0 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: White

(9)

$129.99

List price $199.99

XW4BL20 small

NVX XW4BL20

• 20 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue

(36)

$59.99

List price $89.99

XW0GR10 small

NVX XW0GR10

• 10 feet 1/0 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Gray

(1)

$59.99

List price $89.99

Specifications & Details


Power / Ground Cable Specifications
Wire / Cable Type
Power / Ground Cable
Length (ft.)
20 feet
Wire Gauge
4 gauge
Primary Color
Yellow
Complies to AWG Standards
Yes
Wire Material
OFC (100% Oxygen-Free Copper)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

KMWPY420

Weight:

4.00lbs

Internal SKU:

47kmwpy420

Internal Product ID:

178841

Customer Ratings & Reviews


Kicker KMWPY420 (47KMWPY420) 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


XW4BK20 main

NVX XW4BK20

• 20 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Black

(9)

$54.99

List price $53.99

XW4BL20 main

NVX XW4BL20

• 20 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Blue

(36)

$59.99

List price $89.99

XW4WH20 main

NVX XW4WH20

• 20 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: White

(5)

$59.99

List price $89.99


XSVI-9003-NAV small

Axxess XSVI-9003-NAV Wiring Interface

Install new car stereo and retain accessory power in select 2002-2019 vehicles from Volkswagen

(20)

$59.99

List price $89.99

Related Searches


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

2018 Subaru BRZ

2020 Subaru Forester

2019 Chevrolet Express 2500

2019 Chevrolet Blazer

1987 Lincoln Mark VII

2017 Audi A6 Quattro

2006 BMW 325Ci

2000 Audi A8 Quattro

2019 Subaru WRX

2000 Toyota Avalon

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.