POWERMASTER 864009-1 Gm Alternator Groove Amplifier 692209024309 12SI-STYLE 1-WIRE 175-AMP 1756

( Brand: Powermaster ), ( Manufacturer Part Number: 864009-1 ), ( Part Type: Alternator Amplifier ), ( Amperage: 175 Amp ), ( UPC: 692209024309 )

Review POWERMASTER Gm Alternator Polished 1-wire 1756 Groove

The Powermaster 864009-1 GM 12SI-style alternator is a high-performance replacement component designed to meet the electrical demands of modern vehicles. This alternator, with a 1-wire 1756 groove and a 175-amp output, is an excellent choice for those seeking reliable and efficient power generation.

The Powermaster alternator is engineered to deliver maximum output and durability. Its robust design features a premium brush system that ensures consistent power delivery, even under heavy loads. The alternator's advanced diode technology guarantees efficient power conversion and minimal power loss, ensuring optimal battery charging and improved vehicle performance.

This Powermaster alternator is specifically designed to fit GM 12SI applications. It comes with a 1-wire 1756 groove connector, allowing for easy installation and straightforward wiring. The alternator's compact size and sleek appearance make it an attractive addition to any engine compartment.

The Powermaster 864009-1 alternator is engineered to withstand the rigors of daily driving. Its high-strength housing provides excellent protection against vibration and impact, ensuring a long service life. The alternator's durable bearings and robust internal components are designed to resist wear and tear, ensuring smooth operation and minimal maintenance.

In summary, the Powermaster 864009-1 GM 12SI-style alternator is a high-performance, reliable, and efficient power generation solution for modern vehicles. Its robust design, advanced diode technology, and easy installation make it an excellent choice for those seeking optimal battery charging, improved vehicle performance, and a long-lasting solution for their electrical needs.

Pros and Cons of buying a Powermaster 864009-1 GM 12SI-Style Alternator

The Powermaster 864009-1 is a 175-amp 1-wire 12SI-style alternator designed to fit General Motors applications. This alternator comes with several advantages and disadvantages that potential buyers should consider before making a purchase.

1. High Output: The Powermaster 864009-1 delivers a maximum output of 175 amps, ensuring efficient power generation for larger vehicles or demanding applications.

2. Durable Construction: This alternator features a robust design with a cast aluminum housing, which protects the internal components and enhances overall durability.

3. Easy Installation: The 1-wire 12SI connector simplifies the installation process by minimizing the number of wires required for connection.

4. OEM Compatibility: This alternator is specifically designed to fit GM applications, ensuring a perfect fit and OEM-level performance.

1. Price: Compared to some aftermarket alternators, the Powermaster 864009-1 may be relatively more expensive due to its high-output capacity and OEM-level quality.

2. Limited Availability: This alternator may not be as widely available in local auto parts stores as more common alternatives, which could result in longer shipping times or higher prices from online retailers.

The Powermaster 864009-1 GM 12SI-Style Alternator offers several advantages, including its high-output capacity, durable construction, and easy installation. However, it may be more expensive than some alternatives and could have limited availability. Ultimately, this alternator is an excellent choice for those seeking reliable, efficient, and OEM-level performance in their GM vehicle.

If you are looking for a high-output alternator that offers OEM-level performance and durability for your GM vehicle, the Powermaster 864009-1 is an excellent choice. Be prepared for a potentially higher price and consider purchasing from reputable online retailers to ensure availability and competitive pricing.

Details:

American Express. GM AlternatorPolished1-Wire175 Amp6 Groove Belt Pulley Two 2 in.

part #: 8640091 prices

• $139.00-$179.99

specifications altnagen:

• brand: Powermaster
• mpn: 864009-1
• part type: Alternator Amplifier
• amperage: 175 Amp
• upc: 692209024309

offer altnagen:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 2
• started: February 21, 2026

seller altnagen:

• # reviews: 617352
• city: , Ohio
• rating: 99.2%

general altnagen:

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

payments altnagen:

• credit card: Visa
• other
• wallet: Paypal

returns altnagen:

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

shipping altnagen:

• service: Standard
• transit: 10-15 Days
• cost: $0.00
• type: Fixed
• class: Standard

Powermaster 864009-1 Is Similar To:

• 110 Powermaster Alternator Pulley Chrome 692209000136 (46.6% similar) Brand new pulley off of alternator requiring a serpentine instead...(March 17th, 2018)
• 17078 Powermaster Street Alternator (43.5% similar) 1g ford alternator 75 1 v pulley chrome...(April 3rd, 2018)
• 170781 Powermaster Alternator 692209001829 (39.3% similar) ...(January 15th, 2019)
• 17294-114 Powermaster Street Alternator Amps Chrome Plated Gm Case 692209004530 (42.8% similar) Advertised amperage output 100 amps alternator brackets included no case gm 12SI finish chrome plated belt notes 6-GROOVE pulley. One-wire capable yes pulley included serpentine quantity sold individually. Fitment information may not be available for all products and those without will have a ...(April 22nd, 2018)
• 17509 Powermaster Performance Alternator 692209001638 (40.6% similar) Powermaster alternator early Chrysler 75 double pulley field square back chrome features:excellent idle output heavy duty rectifier external regulator not included except one fireproof of performance tag manufacturer starters and alternators for racing show cars...(December 23rd, 2017)
• 175091 Powermaster Double Groove Pulley Alternator 692209001645 (37.8% similar) Shipping fast is important...(October 29th, 2018)
• 175191 Powermaster Performance Alternator 692209001669 (40.3% similar) Outdoor gear bikes, camping gear, etc. Powermaster alternator fits Chrysler square back 95 1v pulley 1 wire only chrome specifications:amperage: amp mounting: oem features:externally regulated heavy duty rectifier early oem retro look proof of performance tag Powermaster has a variety alternators ...(April 30th, 2018)
• 178611 Powermaster Street Alternator Amps Chrome Plated Gm Case 692209001867 (43.6% similar) Fitment information may not be available for all products and those without will have a compatibility link. Buyer pays return shipping. Advertised amperage output 105 amps alternator brackets included no case gm CS130 finish chrome plated belt one-wire capable yes pulley v-belt quantity sold ...(August 15th, 2018)
• 17864 Powermaster Street Alternator Amps Chrome Plated Gm Case Style (45.9% similar) Please feel free to call us at. Advertised amperage OUTPUT140 amps alternator brackets case style gm CS144ALTERNATOR finish chrome plated belt -wire individually...(November 1st, 2018)
• 2505047 Powermaster Xs Volt Drag Race Alternator Kit 692209007654 (41.4% similar) One-wire capable yes pulley included v-belt quantity sold as a kit. Advertised amperage output 55 amps alternator brackets included yes case poundings finish black powder coated belt notes snug mount bracket application for full body size vehicles. Buyer pays return shipping. Regulator included yes ...(May 1st, 2018)
• 27294 Powermaster Performance Alternator 692209001980 (40.6% similar) Powermaster alternator 12SI idle 1v OE look polished specifications:amperage: 100 amp mounting: oem features:ultimate custom billet at affordable prices smooth die cast housing w teardrop design smooth back special vents gold battery post proof of performance has a variety alternators available for...(April 16th, 2018)