Garage
Shop

See all parts that fit your 1997 Ram 2500

Mechman Alternators BIG3OFC

400A Premium Oversized-Zero Gauge "Big 3" Cable Upgrade Kit

Product videos
highlight-star-icon

• Designed for Alternators up to 400 Amps
• Ultra Flexible soft Touch Jacket for Easy Routing
• True 1/0 Gauge Diameter Cable
• Heavy duty Set-Screw Ring Terminals

Learn more about the big3ofc

We apologize

This item has been discontinued

NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
70-1817 main

Metra 70-1817 Wiring Harness

Install a new car stereo in select 1984-2006 vehicles from Dodge, Chrysler, Plymouth

29
-14.31%

$5.99

List price $6.99

99-6501 main

Metra 99-6501 Dash Kit

Install a new Single-DIN car stereo in select 1974-2002 vehicles from Dodge, Chrysler, Plymouth

7
-13.05%

$19.99

List price $22.99

95-6555B main

Metra 95-6555B Dash Kit

Install a new Double-DIN car stereo in select 1994-1997 Ram 3500 / 1500 / 2500

-10.53%

$67.99

List price $75.99

70-1818 main

Metra 70-1818

Install a New Car Stereo and Retain Factory Amplifier in select 1984-2006 vehicles from Dodge, Chrysler, Plymouth

2
-29.64%

$18.99

List price $26.99

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

XBAF65 main

NVX XBAF65

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

117
-37.15%

$21.99

List price $34.99

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

UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth

44
-16.69%

$149.95

List price $180.00

XBAF69 main

NVX XBAF69

Universal 6x9" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)

48
-42.51%

$22.99

List price $39.99

MP69 main

DS18 MP69

Adapts 6x9" Speaker Space to 6.5" Speaker and 1.38" Tweeter

2

Product Highlights


• Designed for Alternators up to 400 Amps
• Ultra Flexible soft Touch Jacket for Easy Routing
• True 1/0 Gauge Diameter Cable
• Heavy duty Set-Screw Ring Terminals

Description


Mechman Alternators brand icon

Authorized dealer

  NVX
NVX
XBG3PK
XS Power
Mechman Alternators
BIG3OFC
100% OFC 
For Systems 350A - 400A or Less
CEA Compliant
BC5W2 Marine Compliant
Set-Screw Ring Terminals
Warranty
Limited Lifetime
1 Year Manufacturer's

 


MechMan Alternators Premium "Big 3" Cable Kit

Comes with everything you need to upgrade your Alternator Charge Cable, Alternator Ground Cable, and Chassis Ground Cable. This kit is a great performance upgrade for Stock Alternators, or High Output Alternators up to 400 Amps.



General Features:

  • Premium Oversized Zero Gauge "Big 3" Cable Upgrade Kit
  • "No Crimp" Terminal Ends for easier installation
  • Designed for up to 400 Amps
  • Ultra Flexible soft Touch Jacket for Easy Routing
  • 5,285 Strand Pure Oxygen Free Copper – 17.2mm outside diameter
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
What's In The Box?
  • 7 feet of Red oversize 1/0 cable
  • 10 feet of Black oversize 1/0 cable
  • 12 Cable ties
  • (8) “No Crimp” heavy duty set screw cable ends
  • (8) 2” long pieces of heat shrink tubing
  • (1) Grey Frosted ANL fuse holder
  • (1) 400 amp ANL Fuse

Loading...
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

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

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

SXE-6926S main

Alpine SXE-6926S

280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers

13
-20.84%

$56.99

List price $71.99


Best selling similar products

XBG3PK small

NVX XBG3PK

• Upgrade Your Factory Power and Ground Wire
• Perfect for Dealing with Dimming Lights
• Improve the Efficiency of Your Vehicle's Electrical System
• Use for Systems 350A or Less
• Includes All Necessary Wiring
• Ring Terminals are Pre-Connected to Power and Ground Wire

(91)

$109.99

List price $119.99

BBG3KT small

Belva BBG3KT

• Upgrade Your Factory Power and Ground Wire
• Perfect for Dealing with Dimming Lights
• Improve the Efficiency of Your Vehicle's Electrical System
• Use for Systems 250A or Less
• Includes All Necessary Wiring
• Ring Terminals are Pre-Connected to Power and Ground Wire

(48)

$49.99

List price $79.99

Specifications & Details


Power / Ground Cable Specifications
Wire / Cable Type
Power / Ground Cable
Wire Gauge
0 gauge
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:

BIG3OFC

Weight:

8.00lbs

Internal SKU:

big3ofc

Internal Product ID:

99733

Product and How-to Videos


Customer Ratings & Reviews


Mechman Alternators BIG3OFC thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:

Loading...

Great product

Cost a little bit to have it installed, small price to play inorder to keep your sound system charged and in top condition.!!!

By Robert on February 21, 2018 Checkmark Icon Verified purchase


Perfect

Well put together package, was very easy to install, and simply great quality.

By Christopher on June 9, 2016 Checkmark Icon Verified purchase




99-7388HG small

Metra 99-7388HG Dash Kit

Install a new Single-DIN or Double-DIN car stereo in select 2014-2019 Soul

$319.99

List price $598.99

OV1-3000D small

Power Acoustik OV1-3000D

3000W Max, Gothic Series Class D Monoblock Amplifier

(2)

$219.99

List price $349.99

XD-CLRAIC2-9 small

JL Audio XD-CLRAIC2-9

9 ft. (2.7 m) 2-channel Twisted-Pair Audio Interconnect Cable w/ Molded Connectors

(2)

$29.99

List price $29.99

82-3020 small

Metra 82-3020

Speaker Adapter Rings for select 2007-2014 Silverado 2500 HD / 1500 / 3500 HD / 3500 and Sierra 1500 and Sierra Denali Trucks

(5)

$17.99

List price $29.99

HX300/1 small

JL Audio HX300/1

300W Class D Full-Range Ultra-Compact Monoblock Amplifier for Powersport Vehicles / SSVs / UTVs / Motorcycles / Muscle Cars / HotRods / Cars

(2)

$229.99

List price $249.99

PRO-X10M small

DS18 PRO-X10M

600W Peak (300W RMS) 10" PRO-X Series 8-ohm Mid-Range Loudspeaker

$89.95

List price $89.95

PSW410E small

Alphasonik PSW410E

10" Dual 4 ohm 400 Series Car Subwoofer

(1)

$49.95

List price $114.99

SI121.5 small

Stinger SI121.5

1.5 Ft 1000 Series 2-Channel Audiophile Grade RCA Stereo Interconnect Cable

(6)

$7.99

List price $9.00

APH-4545-CD small

Audiopipe APH-4545-CD

High-Frequency 70W 3.5" Titanium Compression Driver

$16.30

List price $24.99

Related Searches


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

2022 MINI Cooper

2006 Saab 9-7X

2000 Jaguar S-Type

2001 Ford Explorer

2006 Dodge Dakota

2016 Chrysler 300

2002 Lincoln Navigator

1985 Chevrolet Cavalier

1991 Isuzu Impulse

2008 Lincoln MKX

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.