MECHMAN B8498400B Alternator Gm Cylinder Amplifier Billet 400-AMP 4.2L 400BILLET

( Brand: Mechman ), ( Manufacturer Part Number: B8498400B ), ( Item Diameter: 5.5 In ), ( Vintage Part: No ), ( California Prop 65 Warning: Warning, Which Is Known To The State Of California To Cause Cancer. ), ( Type: Alternator ), ( Manufacturer Warranty: 2 Years ), ( Voltage: 12 V ), ( Amperage: 400 A ), ( Features: One Wire Capable, Pulley Included ), ( Finish: Galvanized, Billet Aluminum ), ( Country Of Origin: United States ), ( Performance Part: Yes )

Review MECHMAN 400billet Alternator Gm 4.2l Cylinder fits 400 2007–2009

Introducing the Mechman B8498400B 400-billet Alternator, a high-performance and durable solution for your 2007 to 2009 GM vehicles equipped with the 4.2L cylinder engine. This alternator is designed to deliver a robust 400 amps of power to keep your electrical systems running smoothly and efficiently.

The Mechman B8498400B alternator is manufactured using 400-billet material. This manufacturing process involves machining the alternator housing from a single piece of billet, ensuring strength and precision. The billet material is also capable of withstanding high temperatures and heavy loads, making it an excellent choice for high-performance applications.

This alternator boasts a number of advanced features, including a three-phase design, which provides improved charging efficiency and longevity. The three-phase design also ensures that your battery is charged faster, allowing you to spend more time on the road and less time waiting for your battery to charge.

The Mechman B8498400B alternator is also equipped with a heavy-duty diode rectifier, which converts the alternating current (AC) produced by the alternator into direct current (DC) that can be stored in your battery. This rectifier is capable of handling high currents, ensuring that your battery is always charged effectively.

Additionally, this alternator features a dual-serpentine belt system, which drives both the alternator and the power steering pump. This design not only reduces the number of belts required but also ensures that the power steering pump is always engaged, providing optimal power assistance.

The Mechman B8498400B alternator is also designed to be easy to install, with a bolt-on design that allows for quick and hassle-free replacement of your stock alternator. The alternator comes with all necessary mounting hardware, making installation a breeze.

In summary, the Mechman B8498400B 400-billet Alternator is a high-performance and reliable solution for your 2007 to 2009 GM vehicles. With its robust 400-amp output, three-phase design, heavy-duty diode rectifier, and dual-serpentine belt system, this alternator is capable of providing optimal charging efficiency and longevity. Its easy-to-install design and use of 400-billet material make it a top choice for those seeking a high-quality and durable alternator for their GM vehicle.

The Mechman B8498400B 400-billet alternator is a popular aftermarket option for vehicles with a 2007 to 2009 GM 4.2L cylinder engine that requires a 400-amp alternator. Here are some pros and cons that can help you decide if this alternator is the right choice for your vehicle.

1. High output: The 400-amp rating makes this alternator suitable for vehicles with heavy electrical demands, such as those with multiple accessories or aftermarket modifications.

2. Billet construction: The billet design means that the alternator housing is machined from a single piece of aluminum, resulting in a stronger and more durable product.

3. Improved cooling: The larger size of the alternator allows for better cooling, which can help prevent overheating and extend the life of the alternator.

4. Better performance: The higher output and improved cooling can lead to better overall performance and reliability compared to the OEM alternator.

1. Cost: The Mechman B8498400B 400-billet alternator is more expensive than the OEM alternator, which may be a consideration for some.

2. Installation: The installation process may be more complex than the OEM alternator due to the larger size and different wiring requirements.

3. Compatibility: While this alternator is designed to fit GM 4.2L engines from 2007 to 2009, it may not be compatible with all vehicles in this range, so it's important to double-check the compatibility before making a purchase.

In conclusion, the Mechman B8498400B 400-billet alternator offers several advantages, including higher output, improved cooling, and better durability. However, it also comes with a higher cost, more complex installation, and potential compatibility issues. If your vehicle has heavy electrical demands or you're looking for improved performance and reliability, this alternator may be worth the investment. However, if you're on a tight budget or have concerns about compatibility, it may be worth considering other options. Ultimately, the decision to purchase this alternator depends on your specific needs and circumstances.

Details:

All of these reasons have lead to our dedication sell only the best alternators. Type Alternator. Mechman 400 Billet Alternator for 2007 - 2009 GM 4.2L 6 cylinder: Price. Universal Fitment No.

Alternator Outlet. A simple single wire will need connected to a 12v switched source from the fuse box ensure alternator is operating properly. Brand Mechman. Quirk Works For You.

Finish Galvanized, Billet Aluminum. Performance Part Yes. Hope to do business with you again. Lease-2-Own: Asama 40715 to number: 22462 apply.

Features One Wire Capable, Pulley Included. Look no further than our new custom billet housing 400-amp option. Alignment is key as it ensures good belt contact, wear and even down to internal rotor bearing life. Country of Origin USA.

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part #: b8498400b price

• $699.00

specifications altnagen:

• for years: 2007-2009
• brand: Mechman
• mpn: B8498400b
• item diameter: 5.5 In
• vintage part: No
• california prop 65 warning: Warning, Which Is Known To The State Of California To Cause Cancer.
• type: Alternator
• manufacturer warranty: 2 Years
• voltage: 12 V
• amperage: 400 A
• features: One Wire Capable, Pulley Included
• finish: Galvanized, Billet Aluminum
• country of origin: United States
• performance part: Yes

offer altnagen:

• started: June 5, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 4

general altnagen:

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

seller altnagen:

• city: Knoxville, Tennessee
• rating: 99.3%
• # reviews: 459

shipping altnagen:

• transit: 11-18 Days
• service: Standard
• class: Standard
• cost: $0.00
• type: Fixed

returns altnagen:

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

payments altnagen:

• other
• wallet: Google-pay
• credit card: Discover

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