GM AD244 Style High Output 220 Amp Alternator - Chrome
GM AD244 Style High Output 220 Amp Alternator - Chrome
SKU: SKU: ES1024C
In stock

Product Details
Features
- 220 Amp High Output Charging: Supports electric fans, EFI systems, fuel pumps, audio systems, and other high-demand accessories.
- GM AD244 Case Design: Designed for compatible GM LS truck accessory drive systems and AD244 mounting configurations.
- Internal Voltage Regulator: Provides stable charging performance without an external regulator.
- Factory-Style 4-Pin Connection: Works with many factory-style LS truck charging system configurations.
Description
Upgrade your LS truck charging system with this GM AD244 Style High Output 220 Amp Alternator engineered to deliver exceptional charging performance for vehicles with increased electrical demands. Designed for compatible GM LS truck accessory drive systems, this alternator provides the charging capacity needed to support modern performance upgrades, electrical accessories, and high-demand vehicle systems.
The 220 amp output provides a substantial increase over many factory charging systems and helps support electric cooling fans, electronic fuel injection systems, electric fuel pumps, aftermarket ignition systems, high-output lighting, air conditioning systems, audio equipment, winches, off-road accessories, and other power-hungry electrical components. Increased charging capacity helps maintain stable system voltage during idle, cruising, towing, and demanding operating conditions.
Built using the GM AD244 case design commonly found on many 1999-2006 GM truck applications, this alternator is designed for use with compatible LS truck accessory drive systems and factory-style AD244 mounting brackets. It is commonly used on 4.8L, 5.3L, 5.7L, 6.0L, 6.5L Diesel, 6.6L Duramax, and 8.1L applications where increased charging capacity is required.
The internally regulated design helps maintain consistent charging system performance while utilizing the factory-style 4-pin electrical connection commonly found on AD244-equipped applications. Unlike one-wire alternators, this design is intended to integrate with compatible OEM-style charging system controls and wiring configurations.
Equipped with a 6-groove serpentine pulley and finished in bright chrome, this alternator combines show-quality appearance with dependable charging capability. Whether you're upgrading an LS-powered truck, supporting additional electrical accessories, building a tow vehicle, completing an LS swap with truck accessories, or replacing a factory AD244 alternator, this high-output alternator delivers the charging performance and reliability needed for demanding applications.
220 Amp Charging Performance
The 220 amp output provides the charging capacity needed for electric cooling fans, EFI systems, electric fuel pumps, aftermarket ignition systems, lighting upgrades, audio equipment, off-road accessories, and other high-demand electrical components. High-output charging helps maintain stable system voltage under increased electrical loads.
GM AD244 Case Design
Built using the AD244 alternator platform commonly found on many 1999-2006 GM truck applications. Designed for compatible LS truck accessory drive systems utilizing AD244 mounting locations, factory-style brackets, and factory-style charging system connections.
Specs
| AC Service Tap | No |
| Amperage Rating | 220 A |
| Brushless | No |
| Case Circumference | 17.900 in. |
| Case Color | Silver |
| Case Material | Aluminum |
| Distance Between Mounting Feet | 4.100 in. |
| External Fan Included | Yes |
| External Regulator Included | No |
| Family | AD-244 |
| Fan Type | External |
| Finish | Chrome |
| Ground Type | Case ground |
| Mounting Type | Split Mount |
| One Wire Capable | No |
| Outside Pulley Diameter | 2.500 in. |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 10 o'clock |
| Plug Type | 4-pin |
| Pulley Belt Type | Serpentine |
| Pulley Groove Quantity | 6 |
| Pulley Included | Yes |
| Regulator Type | Internal |
| Rotation Direction | Clockwise |
| Split Mounting Foot Overall Inner Spacing | 4.100 |
| Split Mounting Foot Overall Outside Spacing | 5.100 |
| Terminal Quantity | 5 |
| Voltage | 12 VDC |
Engine Fitment
COMPATIBLE WITH
GM LS TRUCK ACCESSORY DRIVE SYSTEMS
GM LS-Based 4.8L, 5.3L, 5.7L, and 6.0L Engines
GM 4.3L V6
GM 6.5L Diesel
Duramax 6.6L Diesel
GM 8.1L / 496 Big Block
Compatible LS Truck Accessory Drive Systems
COMMON VEHICLE APPLICATIONS
Chevrolet Silverado
Chevrolet Tahoe
Chevrolet Suburban
GMC Sierra
GMC Yukon
Chevrolet Express Vans
GMC Savana Vans
LS Engine Swaps Using Truck Spacing
Tow Vehicles
Off-Road Builds
NOTES
Designed for AD244-style alternator applications
Utilizes factory-style 4-pin connector
Not compatible with 2-pin harnesses
Verify truck vs. car accessory spacing before ordering
Verify mounting brackets and pulley alignment prior to installation
Q&A
What applications is this alternator compatible with?
This alternator is designed for compatible applications including CHEVROLET BIG BLOCK V8 GEN. VII, CHEVROLET SMALL BLOCK V8 GEN. I, CHEVROLET SMALL BLOCK V8 GEN. III/IV (LS-Based), DMAX DURAMAX DIESEL V8, GM DIESEL V8, and GM 90° V6.
Will this alternator fit GM LS applications?
Yes, this alternator is designed for compatible GM LS-based applications listed in the fitment details.
Is this alternator a good upgrade over a stock charging system?
Yes, this alternator is a strong upgrade for compatible applications that need reliable charging performance and support for modern electrical demands.
What voltage system is this alternator designed for?
This alternator is built for a 12 vdc charging system.
What type of regulator does this alternator use?
This alternator uses a internal regulator setup, which helps control charging output for the intended application.
Is this alternator easy to wire into a compatible vehicle?
Wiring should always be matched to the intended application, but this alternator is designed for straightforward installation on compatible setups.
Does alternator rotation matter for installation?
Yes, rotation matters for belt-driven accessories, so the alternator should be matched to the correct belt routing and engine setup.
Do I need to verify pulley compatibility before installation?
Yes, pulley style and belt alignment should always be confirmed against your bracket and belt setup before installation.
Does alternator cooling matter on high-demand applications?
Yes, proper alternator cooling is important when electrical demand is higher, especially on performance builds with added accessories.
Should I check bracket and clearance before installation?
Yes, bracket style, case position, and wiring clearance should always be confirmed before installation.
Is mounting style important when choosing an alternator?
Yes, mounting style is critical because the alternator must match the bracket system used on the engine or vehicle.
What is this alternator made from?
It uses a aluminum case, helping support durability and dependable charging performance.
Will this alternator help support added electrical accessories?
Yes, a higher-output alternator can help support added electrical loads such as fans, fuel pumps, ignition upgrades, and lighting when matched to the correct application.
Is this a good upgrade from a stock alternator?
Yes, this alternator is a strong upgrade for compatible applications that need improved charging reliability, support for accessories, and performance-oriented fit and finish.
Does the chrome finish affect performance?
No, the chrome finish is cosmetic and does not change the alternator's performance—it gives it a brighter show-quality appearance.
What LS engines is this alternator commonly used on?
This alternator is commonly used on compatible 4.8L, 5.3L, 5.7L, and 6.0L GM LS truck accessory drive systems. Verify accessory spacing and bracket compatibility before installation.
Will this alternator support electric cooling fans and EFI?
Yes. The 220 amp output is designed to support electric cooling fans, electronic fuel injection systems, electric fuel pumps, ignition systems, lighting upgrades, and other high-demand electrical accessories.
Is this a one-wire alternator?
No. This alternator uses a factory-style 4-pin connector and is designed to integrate with compatible OEM-style charging system wiring.
Will this fit all LS engines?
No. Compatibility depends on accessory drive spacing, bracket configuration, pulley alignment, and electrical connector type. Many LS truck applications use this alternator style, but not all LS engines utilize the AD244 platform.
What is the advantage of a 220 amp alternator?
A 220 amp alternator provides significantly more charging capacity than many factory units, helping support vehicles equipped with additional electrical accessories and high-demand charging requirements.
Emissions Notice
This product does not affect vehicle emissions and is not subject to emissions compliance regulations.
My old oem alternator gave out on me. Saw this high output alternator tht gives more power and gives my engine bay a better look purchased it and got it within a week. As soon as i installed my truck turned on and keeps my voltage at almost 16v even with the sound system i have the voltage doesnt drop much
GM AD244 Style High Output 220 Amp Alternator - Chrome
Upgrade your LS truck charging system with this GM AD244 Style High Output 220 Amp Alternator engineered to deliver exceptional charging performance for vehicles with increased electrical demands. Designed for compatible GM LS truck accessory drive systems, this alternator provides the charging capacity needed to support modern performance upgrades, electrical accessories, and high-demand vehicle systems.
The 220 amp output provides a substantial increase over many factory charging systems and helps support electric cooling fans, electronic fuel injection systems, electric fuel pumps, aftermarket ignition systems, high-output lighting, air conditioning systems, audio equipment, winches, off-road accessories, and other power-hungry electrical components. Increased charging capacity helps maintain stable system voltage during idle, cruising, towing, and demanding operating conditions.
Built using the GM AD244 case design commonly found on many 1999-2006 GM truck applications, this alternator is designed for use with compatible LS truck accessory drive systems and factory-style AD244 mounting brackets. It is commonly used on 4.8L, 5.3L, 5.7L, 6.0L, 6.5L Diesel, 6.6L Duramax, and 8.1L applications where increased charging capacity is required.
The internally regulated design helps maintain consistent charging system performance while utilizing the factory-style 4-pin electrical connection commonly found on AD244-equipped applications. Unlike one-wire alternators, this design is intended to integrate with compatible factory-style charging system controls and wiring configurations.
Equipped with a 6-groove serpentine pulley and finished in bright chrome, this alternator combines show-quality appearance with dependable charging capability. Whether you're upgrading an LS-powered truck, supporting additional electrical accessories, building a tow vehicle, completing an LS swap with truck accessories, or replacing a factory AD244 alternator, this high-output alternator delivers the charging performance and reliability needed for demanding applications.
220 Amp Charging Performance
The 220 amp output provides the charging capacity needed for electric cooling fans, EFI systems, electric fuel pumps, aftermarket ignition systems, lighting upgrades, audio equipment, off-road accessories, and other high-demand electrical components. High-output charging helps maintain stable system voltage under increased electrical loads.
GM AD244 Case Design
Built using the AD244 alternator platform commonly found on many 1999-2006 GM truck applications. Designed for compatible LS truck accessory drive systems utilizing AD244 mounting locations, factory-style brackets, and factory-style charging system connections.
COMPATIBLE WITH
GM LS TRUCK ACCESSORY DRIVE SYSTEMS
GM LS-Based 4.8L, 5.3L, 5.7L, and 6.0L Engines
GM 4.3L V6
GM 6.5L Diesel
Duramax 6.6L Diesel
GM 8.1L / 496 Big Block
Compatible LS Truck Accessory Drive Systems
COMMON VEHICLE APPLICATIONS
Chevrolet Silverado
Chevrolet Tahoe
Chevrolet Suburban
GMC Sierra
GMC Yukon
Chevrolet Express Vans
GMC Savana Vans
LS Engine Swaps Using Truck Spacing
Tow Vehicles
Off-Road Builds
NOTES
Designed for AD244-style alternator applications
Utilizes factory-style 4-pin connector
Not compatible with 2-pin harnesses
Verify truck vs. car accessory spacing before ordering
Verify mounting brackets and pulley alignment prior to installation
SPECIFICATIONS:
AC Service Tap: No
Amperage Rating: 220 A
Brushless: No
Case Circumference: 17.900 in.
Case Color: Silver
Case Material: Aluminum
Distance Between Mounting Feet: 4.100 in.
External Fan Included: Yes
External Regulator Included: No
Family: AD-244
Fan Type: External
Finish: Chrome
Ground Type: Case ground
Mounting Type: Split Mount
One Wire Capable: No
Outside Pulley Diameter: 2.500 in.
Plug Clock Rear View Main Mounting Ear at 6 O Clock: 10 o'clock
Plug Type: 4-pin
Pulley Belt Type: Serpentine
Pulley Groove Quantity: 6
Pulley Included: Yes
Regulator Type: Internal
Rotation Direction: Clockwise
Split Mounting Foot Overall Inner Spacing: 4.100
Split Mounting Foot Overall Outside Spacing: 5.100
Terminal Quantity: 5
Voltage: 12 VDC