POWERMASTER 57402 Alternator Serpentine Gm 692209014324 140A 12V

( Brand: Powermaster ), ( Manufacturer Part Number: 57402 ), ( Type: Alternators ), ( California Prop 65 Warning: True ), ( UPC: 692209014324 )

Review POWERMASTER Alternator 140a Serpentine 12v Gm fits STREET

The PowerMaster 57402 Street Alternator is a high-performance 140-amp serpentine belt-driven alternator designed for 12V General Motors applications. This alternator is an excellent choice for upgrading the electrical system in your vehicle to support additional accessories or heavy-duty usage.

The 57402 alternator features a robust design with a durable cast aluminum housing, ensuring long-lasting performance. It comes with a three-phase rotor and diode rectifier, ensuring maximum efficiency in converting mechanical energy into electrical power. With a 140-amp output, this alternator can effectively charge your vehicle's battery and support the electrical demands of your accessories.

The alternator's serpentine belt drive design simplifies the installation process by allowing the use of a single accessory belt, reducing the number of belts required compared to a conventional alternator and water pump setup. Additionally, the alternator comes with a pre-installed voltage regulator, which ensures proper battery charging and prevents overcharging.

The PowerMaster 57402 Street Alternator is engineered to meet or exceed OEM specifications for fit, function, and performance. It is backed by an industry-leading 3-year warranty, providing peace of mind and assurance of the product's quality. This alternator is an excellent choice for those seeking a reliable and efficient upgrade to their vehicle's electrical system.

Powermaster 57402 Street Alternator: A Detailed Analysis

The Powermaster 57402 Street Alternator is a 140-amp serpentine belt-driven alternator designed for 12V General Motors applications. In this analysis, we will discuss the key features, pros, cons, and a concluding recommendation.

1. 140-amp output

2. Serpentine belt-driven design

3. Compatible with various GM applications

4. Durable construction with robust diode design

1. High amperage output: Suitable for heavy-duty applications, such as towing trailers or powering accessories.

2. Belt-driven design: Simplifies installation, as it can be bundled with other serpentine belt-driven accessories.

3. Durable construction: Robust diode design ensures long-lasting performance and reliability.

4. Compatibility: Suitable for a wide range of GM vehicles, making it a versatile option.

1. Higher cost: Compared to standard alternators, the Powermaster 57402 Street Alternator is more expensive.

2. Higher power consumption: Due to its high amperage output, it may consume more power from the battery, especially during heavy usage.

3. Size: Larger than standard alternators, making it less ideal for compact engine compartments.

The Powermaster 57402 Street Alternator is an excellent choice for those who require high amperage output and the convenience of serpentine belt-driven design. Despite its higher cost and size, its durability, reliability, and compatibility make it a worthwhile investment for heavy-duty applications and GM vehicle owners.

If you are in need of a high-output alternator for your GM vehicle and prefer the ease of serpentine belt-driven installation, the Powermaster 57402 Street Alternator is an excellent choice. However, if you have a compact engine compartment or are on a tight budget, you may want to consider a standard alternator with a lower amperage output.

Details:

Straight Mount. Headquarters. They have Starter Alternator people to help you. W/Side Battery Post.

Specs Sold in Quantity Each Color Black Notes Made the USA Pulley Serpentine One Wire Alternator Yes Regulator Included voltage required 12-Volt Amperage 140 Finish Powder Coated Case GM CS130 Brackets No Belt Internal GTIN Code 4 MFG. Problem Solving is best served while the product still on vehicle. Part # 57402 Condition New Brand Powermaster Sold Each Details Info has a variety of alternators available for various applications. 6 Groove Pulley.

part #: 57402 prices

• $237.99-$278.52

specifications altnagen:

• for models: Street
• brand: Powermaster
• mpn: 57402
• type: Alternators
• california prop 65 warning: True
• upc: 692209014324

general altnagen:

• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Alternators Generators
• condition: New

returns altnagen:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

seller altnagen:

• city: West Chicago, Illinois
• # reviews: 325116
• rating: 99.2%

offer altnagen:

• quantity: 2
• sold: 0
• options: Ship-to-home
• started: July 27, 2025
• availability: In Stock

payments altnagen:

• other
• credit card: Diners-club
• wallet: Apple-pay

shipping altnagen:

• cost: $0.00
• transit: 8-13 Days
• service: UPS Ground
• class: Standard
• type: Fixed
• carrier: UPS

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