Garage
Shop

See all parts that fit your 2009 Optima

Rockford Fosgate RFW4R

100' Spool 4 Gauge OFC Frosted Red Power/Ground Wire

Rockford Fosgate
Shop all Rockford Fosgate
Product videos
highlight-star-icon

• 100 ft. Spool of 4 Gauge Power/Ground Cable
• Flexible insulated jacket provides installation ease
• True to Gauge for 4 gauge
• Color: Frosted Red
• Made from 100% Oxygen Free Copper (OFC) Copper

Learn more about the rfw4r

We apologize

This item has been discontinued


Loading...
72-7902 main

Metra 72-7902

Install New Speakers in select 1990-2024 vehicles from Ram, Dodge, Jeep

19
-28.59%

$9.99

List price $13.99

70-7303 main

Metra 70-7303 Wiring Harness

Install a new car stereo in select 2009-2014 vehicles from Hyundai, Kia

11
-40.55%

$21.99

List price $36.99

82-7302 main

Metra 82-7302

Speaker Adapter for select 2006-2019 vehicles from Kia, Hyundai

1
-10.00%

$26.99

List price $29.99

HY07B main

Scosche HY07B Wiring Harness

Install a new car stereo in select 2005-2018 vehicles from Kia, Hyundai

19
95-7324 main

Metra 95-7324 Dash Kit

Install a new Double-DIN car stereo in select 2007-2010 Optima

-48.02%

$12.99

List price $24.99

KI6 main

PAC KI6

Install a New Car Stereo and Retain the Factory Antenna in select 2004-2019 vehicles from Hyundai, Kia

-58.33%

$10.00

List price $24.00

KiaK1248 main

American International KiaK1248

Double DIN Stereo Dash Kit for select 2005-2014 vehicles from Kia, Hyundai

2
-67.79%

$10.95

List price $34.00

XBAF65 main

NVX XBAF65

Universal 6.5" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)

115
-37.15%

$21.99

List price $34.99

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

BMV62W main

Belva BMV62W

6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto and Phone Mirroring

28
-66.67%

$89.99

List price $269.99

Product Highlights


• 100 ft. Spool of 4 Gauge Power/Ground Cable
• Flexible insulated jacket provides installation ease
• True to Gauge for 4 gauge
• Color: Frosted Red
• Made from 100% Oxygen Free Copper (OFC) Copper

Description


Rockford Fosgate brand icon

Authorized dealer

General Features:

  • 100 ft. Spool of 4 Gauge Power/Ground Cable
  • Flexible insulated jacket provides installation ease
  • Smooth outer coating for easy installation
  • True to Gauge for 4 gauge
  • Made from 100% Oxygen Free Copper (OFC) Copper
  • Color: Frosted Red
  • Length: 100 ft.

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

iLX-W650 main

Alpine iLX-W650

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

124
-5.72%

$329.95

List price $349.95

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

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

BMV62W main

Belva BMV62W

6.2" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto and Phone Mirroring

28
-66.67%

$89.99

List price $269.99

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

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3

Best selling similar products

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

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

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

XW0BL5 small

NVX XW0BL5

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

(28)

$34.99

List price $49.99

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

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

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

XW4WH20 small

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

XW0BL25 small

NVX XW0BL25

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

(1)

$169.99

List price $199.99

XW0BL10 small

NVX XW0BL10

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

(3)

$59.99

List price $89.99

Specifications & Details


Power / Ground Cable Specifications
Wire / Cable Type
Power / Ground Cable
Length (ft.)
100 feet
Wire Gauge
4 gauge
Primary Color
Frosted Red
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:

RFW4R

Weight:

20.10lbs

Internal SKU:

rfw4r

Internal Product ID:

97662

Product and How-to Videos


  • 3Sixty3 Aftermarket Setup Wizard Tutorial
  • Why Should I Buy Oxygen Free Copper (OFC) Cable? | Car Audio Speaker and Amplifier Power Wiring

Customer Ratings & Reviews


Rockford Fosgate RFW4R 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


SV-9156_SV-5340.II small

Vehicle Specific Package: Rearview Mirror + Bar Mount Back-Up Camera Package

OEM Style Replacement Mirror with 4.3" LCD Screen + License Plate Color CMOS Reverse Camera (170-degree view)

(10)

$189.94

List price $419.90

F9B0309 small

Niteize F9B0309

Carabiner, Figure 9

$8.99

List price $9.00

HWPD7SD small

Prodyne HWPD7SD

Prodyne SD7 Sugar Please Steel And Clear Push Button Dispenser

$16.99

List price $27.00

F9T40301 small

Niteize F9T40301

Carabiner, Figure 9

$9.99

List price $10.00

F9S03TP09 small

Niteize F9S03TP09

Carabiner, Figure 9

$7.99

List price $8.00

No picture

Princeton Tec SP2BK

Accessory Light, Pulsar Ii Green

$6.99

List price $9.00

DCX-300.4 small

Precision Power PPI DCX 300.4

Class-AB 4-Channel Competition Car Amplifier

(1)

$229.99

List price $599.99

XFMATC small

NVX XFMATC

Stack-able ATC & ATM Fuse Panel Distribution Block

$9.99

List price $19.95

VTC431RB small

BOYO Vision VTC431RB

Wireless Rear View Camera System w/ 3" TFT Monitor

(1)

$169.99

List price $299.99

Related Searches


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

2009 Kia Optima

2001 Mazda Tribute

2002 Cadillac Escalade EXT

2006 Lincoln Mark LT

1998 Mazda MPV

2019 Honda Pilot

2021 GMC Terrain

2024 Nissan Altima

1998 Isuzu Trooper

2012 Audi TT Quattro

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.