Garage
Shop

See all parts that fit your 2003 Impreza

Mean Green Alternators MG7128

200 Amp High Output Alternator for select 1981-1990 vehicles from Chevrolet, GMC, Pontiac

highlight-star-icon

• Easy 5-minute installation
• Up to 300% more charging power
• Precision balanced for smooth operation
• Steel rotor shaft
• Heavy duty solid copper starter windings
• Multi-function integrated regulator
• High output alternator

See compatible vehicles Learn more about the mg7128
No Fit Icon

Doesn't fit your 2003 Impreza

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

$519.99

 with warranty
Starting at $47/mo with

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.
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...
72-9300 main

Metra 72-9300

Install New Car Speakers in select 1976-2015 vehicles from Subaru, Nissan, Mazda

8
-40.03%

$8.99

List price $14.99

XBAF65 main

NVX XBAF65

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

114
-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

MPK 163.3 main

Hertz MPK163.3

600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System

2
-14.89%

$999.99

List price $1175.00

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

P1650 main

Rockford Fosgate Punch P1 P1650

220W Peak (110W RMS) 6.5" Punch P1 Series 2 Way Coaxial 4-ohm Speakers

61
XSP652 main

NVX XSP652

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

19
-33.34%

$119.99

List price $179.99

XED650C main

Cerwin-Vega XED650C

600W Peak (70W RMS) 6.5" XED Series 2-Way 4-ohm Component Speaker System

28
-16.67%

$64.99

List price $77.99

Limited time!
TS-G1620F main

Pioneer TS-G1620F

600W Peak (80W RMS) 6.5" G-Series 2-Way Coaxial 4-ohm Car Speakers

13
-26.15%

$48.00

List price $65.00

H7653 main

Cerwin-Vega H7653

680W Peak (120W RMS) 6.5" HED Series 3-Way Coaxial 4-ohm Speakers

43
-16.67%

$79.99

List price $95.99

Description


Mean Green Alternators brand icon

Authorized dealer

General Features:

  • Easy 5-minute installation
  • Up to 300% more charging power
  • Precision balanced for smooth operation
  • Steel rotor shaft supported at both ends by heavy duty double sealed bearings
  • Heavy duty solid copper starter windings are sealed with high temperature insulation
  • Multi-function integrated regulator which continues to operate under extreme temperatures
  • High output alternator
  • 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 2003 Subaru Impreza is not compatible. Change vehicle or See list of compatible similar products


Loading...
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

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

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
MPK 163.3 main

Hertz MPK163.3

600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System

2
-14.89%

$999.99

List price $1175.00

PNW-65CS2 main

AudioControl PNW-65CS2

250W Peak (200W RMS) 6.5″ PNW Series 2 Way Component 3-ohm Speakers

4
-5.90%

$319.00

List price $339.00

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

Club 620F main

JBL Club 620F (SPKCB620FAM)

330W Peak (110W RMS) 6.5" Club Series 2-way 3-ohm Shallow Mount Coaxial Car Speakers

2
-38.48%

$79.95

List price $129.95

PH654 main

Cerwin-Vega PH654

600W Peak (300W RMS) 6.5" PRO Series Full Range Coaxial 4-ohm Speakers

2
-16.67%

$189.99

List price $227.99


Best selling similar products

MG11517 small

Mean Green Alternators MG11517

• High output alternator
• Compatible with select 2010-2025 vehicles from Toyota
• Easy 5-minute installation
• Up to 300% more charging power
• Precision balanced for smooth operation

$579.99

List price $579.99

MG1584 small

Mean Green Alternators MG1584

• 200 Amp high output alternator
• Compatible with select 2012-2026 vehicles from Jeep
• Easy 5-minute installation
• Up to 300% more charging power
• Precision balanced for smooth operation

$579.99

List price $579.99

MG13490 small

Mean Green Alternators MG13490

• High output alternator
• Compatible with select 2004-2008 Land Cruiser
• Easy 5-minute installation
• Up to 300% more charging power
• Precision balanced for smooth operation

$519.99

List price $519.99

MG1391 small

Mean Green Alternators MG1391

• High output alternator
• Compatible with select 2007-2025 vehicles from Ram, Dodge
• Easy 5-minute installation
• Up to 300% more charging power
• Precision balanced for smooth operation

$519.99

List price $519.99

MG8292SHD small

Mean Green Alternators MG8292SHD

• Precision Balanced for Smooth Operation
• Compatible with select 2005-2014 vehicles from GMC, Chevrolet, Cadillac Vehicles
• Easy 5-minute installation
• Up to 300% more power
• Tool-grade steel rotor shaft
• Heavy duty double sealed bearings
• Heat resistant multifunction integrated regulator

$879.99

List price $879.99

MG1584HD small

Mean Green Alternators MG1584HD

• Easy 5-minute installation
• Compatible with select 2012-2026 vehicles from Jeep Vehicles
• Up to 300% more charging power
• Precision balanced for smooth operation
• Steel rotor shaft
• Heavy duty solid copper starter windings
• Multi-function integrated regulator
• High output alternator

$579.99

List price $579.99

MG13673 small

Mean Green Alternators MG13673

• High output alternator
• Compatible with select 1994-2015 Tacoma and T100 and 4Runner
• Easy 5-minute installation
• Up to 300% more charging power
• Precision balanced for smooth operation

$519.99

List price $519.99

MG14573 small

Mean Green Alternators MG14573

• High output alternator
• Compatible with select 1980-1987 Land Cruiser
• Easy 5-minute installation
• Up to 300% more charging power
• Precision balanced for smooth operation

$579.99

List price $579.99

MG11350 small

Mean Green Alternators MG11350

• High output alternator
• Compatible with select 2007-2025 vehicles from Toyota
• Easy 5-minute installation
• Up to 300% more charging power
• Precision balanced for smooth operation

$519.99

List price $519.99

MG1388HD small

Mean Green Alternators MG1388HD

• Easy 5-minute installation
• Compatible with select 2007-2011 Wrangler and Wrangler Unlimited Vehicles
• Up to 300% more charging power
• Precision balanced for smooth operation
• Steel rotor shaft
• Heavy duty solid copper starter windings
• Multi-function integrated regulator
• High output alternator

$579.99

List price $579.99

Item Details


Manufacturer:

Model Number:

MG7128

Weight:

14.00lbs

Internal SKU:

mg7128

Internal Product ID:

191355

Customer Ratings & Reviews


Mean Green Alternators MG7128 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

SPT5158 small

Stinger SPT5158 (Chrome)

10ga-8ga Input 2.5mm Speaker Pins with High Conductivity Shoc-Krome Plating

(1)

$2.99

List price $9.99

DEH-P3000IB small

Pioneer DEH-P3000IB

CD, MP3, WMA Receiver with Remote and iPod Direct Controls

(20)

$99.99

List price $149.99

MG1392 small

Mean Green Alternators MG1392

High Output Alternator for select 2007-2009 Ram 2500 / 1500 / 3500 and Durango

$519.99

List price $519.99

Image X11i small

Klipsch Image X11i - Black

Image Series In-Ear Headphones with Advanced Mic/Remote System, and Noise-Isolation

$149.99

List price $349.99

ZXX-2000.4 BAK42 BBIC5 small

New Hifonics Zeus ZXX-2000.4 2000 Watt RMS 4-Channel Car Audio Amplifier+Amp Kit

2000W Peak Zeus Series Class-A/B 4-Channel 2-Ohm Stable Amplifier (ZXX-20004) Package

(87)

$219.90

List price $528.98

GM1483B small

Scosche GM1483B / GM1483 Dash Kit

Install a new Single-DIN car stereo in select 1995-2023 vehicles from GMC, Chevrolet, Cadillac trucks (Black)

(119)

$6.34

List price $13.95

MBL MC CLNTCH PEN WW small

Monster Cable CleanTouch Pen (MBL MC CLNTCH PEN WW) Electronic Device Cleaner

Alcohol and Ammonia Free Antibacterial Touchscreen Cleaning Solution

$3.99

List price $24.95

HP-1-WHITE small

i.Fuzen HP-1 (Original V1 - White)

iPhone 4/4S Case with Built-in Headphone Amplifier, Splitter and Extended, Rechargeable Battery

$69.99

List price $129.99

2XL-154D small

PowerBass Xtreme 2XL-154D

15" Dual 4 ohm 2XL Series Subwoofer

$299.99

List price $479.99

Related Searches


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

2003 Subaru Impreza

2006 MINI Cooper

2020 Dodge Journey

2016 Nissan Leaf

2012 Buick Regal

2011 BMW X6

1988 Dodge Raider

2004 Subaru Forester

2011 Audi A4

2011 Ram Dakota

Vehicle
Store
Delete

2016 Can-Am Defender DPS HD8

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.