GM 25888971 Alternator
fits model: Ls3.
( Brand: Gm ), ( Manufacturer Part Number: 25888971 ), ( Type: Alternator ), ( Voltage: 12 V ), ( Amperage: 150 A ), ( Features: Pulley Included ), ( Universal Fitment: No )
Review GM Oem Alternator fits LS3
GM Original Equipment (OE) LS3 V8 240 Amp 12V Alternator
Description:The GM Original Equipment (OE) LS3 V8 240 Amp 12V Alternator is a premium replacement part engineered to provide optimal performance and reliability for vehicles equipped with the LS3 V8 engine. This alternator is a direct fit replacement for the original alternator in these vehicles, ensuring a seamless installation process.
Key Features:1. High Output: This alternator delivers a robust 240 amps of power, making it an excellent choice for high-performance applications where the electrical demands are greater.
2. Durable Construction: The alternator is built with a robust and durable design, featuring a cast aluminum housing and a heavy-duty rotor and stator. These components ensure long-lasting performance and resistance to wear and tear.
3. Smooth Operation: The alternator uses a multi-ribbed belt design, which provides a smooth and efficient power transfer between the engine and the alternator. This results in a quieter operation and reduced vibration.
4. Advanced Diagnostics: The GM OE LS3 alternator is equipped with a diagnostic feature that can help identify any issues with the charging system. This feature allows for quicker diagnosis and repair, reducing downtime and saving you money.
5. OE Quality: As a direct OE replacement, this alternator meets or exceeds the original equipment specifications for fit, form, and function. This ensures a perfect fit and reliable performance.
In summary, the GM Original Equipment (OE) LS3 V8 240 Amp 12V Alternator is a high-performance replacement part designed to deliver optimal power and reliability for vehicles equipped with the LS3 V8 engine. Its durable construction, smooth operation, advanced diagnostics, and OE quality make it an excellent choice for those seeking a dependable and efficient charging system.
The GM part number 25888971 refers to the LS3 alternator, which is a popular choice for high-performance applications due to its increased output capacity. Here are some pros and cons of buying this alternator:
Pros:1. High Output: The LS3 alternator delivers a higher output of electrical power compared to a standard alternator. This is essential for high-performance vehicles or applications where additional electrical loads are common.
2. Durability: The LS3 alternator is built to withstand the demands of high-performance applications. It features a robust design with a heavy-duty serpentine belt and a strong drive pulley.
3. Compatibility: This alternator is specifically designed for use with the LS3 engine, ensuring a perfect fit and function.
4. Improved Charging: The increased output capacity of the LS3 alternator results in faster charging of the battery, which is crucial for maintaining optimal battery health and powering electrical accessories.
Cons:1. Cost: The LS3 alternator is more expensive than a standard alternator due to its increased output capacity and durability.
2. Size: The LS3 alternator is larger than a standard alternator, which may require modifications to the engine compartment or additional clearance to install.
3. Complex Installation: Installing an LS3 alternator may be more complex than a standard alternator due to its larger size and additional components.
Conclusion:The GM LS3 alternator (part number 25888971) offers several advantages for high-performance applications, including increased output capacity, durability, compatibility, and improved charging. However, it comes with a higher cost, larger size, and a more complex installation process compared to a standard alternator. Ultimately, the decision to purchase an LS3 alternator depends on your specific needs and budget. If you require the increased electrical power and durability for high-performance applications, the LS3 alternator is a worthwhile investment. Otherwise, a standard alternator may be a more cost-effective and simpler solution for your needs.
Details:
Was told it was a takeoff, looks to be very low mileage or crate takeoff as advertised. Factory GM alternator for a LS3 corvette. Selling as used, but is in very good condition.
part #: 25888971 prices
- $200.00-$561.03
specifications altnagen:
- for models: Ls3
- brand: Gm
- mpn: 25888971
- type: Alternator
- voltage: 12 V
- amperage: 150 A
- features: Pulley Included
- universal fitment: No
general altnagen:
- Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Alternators Generators
- condition: Used
offer altnagen:
- best offers: True
- availability: In Stock
- options: Ship-to-home
- quantity: 1
- sold: 0
- started: May 28, 2026
shipping altnagen:
- carrier: USPS
- service: USPS Ground Advantage
- type: Calculated
- class: Standard
- transit: 5-11 Days
- cost: $11.68
payments altnagen:
- other
- credit card: Mastercard
- wallet: Apple-pay
seller altnagen:
- rating: 100.0%
- city: Perrysburg, Ohio
- # reviews: 821
returns altnagen:
- policy: No Returns
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