Sinister Diesel 320 AMP OEM High Output Alternator (SDALTFORD99320) for 1999-2007 Powerstroke 6.0L / 7.3L - Image 1

Sinister Diesel 320 AMP OEM High Output Alternator (SDALTFORD99320) for 1999-2007 Powerstroke 6.0L / 7.3L - Image 2

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Sinister Diesel 320 AMP OEM High Output Alternator (SDALTFORD99320) for 1999-2007 Powerstroke 6.0L / 7.3L

Name: Sinister Diesel 320 AMP OEM High Output Alternator (SDALTFORD99320) for 1999-2007 Powerstroke 6.0L / 7.3L
Brand: Sinister Diesel
SKU: SDALTFORD99320
Availability: InStock

$1,689.99Purchase & earn 1,689 points!

The Sinister Diesel 320 AMP OEM High Output Alternator is a powerful upgrade for 1999–2007 Ford Powerstroke (6.0L/7.3L) trucks. Designed for heavy electrical loads, it delivers 320 amps—over 200 amps even at idle—making it ideal for powering high-performance accessories like lights, audio systems, and winches. Featuring advanced 6-phase hairpin stator technology, twin rectifier plates, and 12 large diodes, it offers exceptional durability and consistent performance. This alternator is a reliable solution for enhancing your truck’s electrical system.

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SKU: SDALTFORD99320 Categories: Engine Upgrades, Engine Upgrades, All Products, Powerstroke, Powerstroke: 1999-2003 (7.3L), Powerstroke: 2003-2007 (6.0L)

Description

The Sinister Diesel 320 AMP OEM High Output Alternator is designed specifically for the 99-07 Powerstroke (6.0L/7.3L). This alternator is engineered to provide reliable and consistent power to your truck’s electrical system, even under heavy loads.

With an output of 320 amps, this alternator is capable of powering high-performance accessories such as high-powered lights, audio systems, and winches without draining the battery. The alternator’s high output also ensures your truck’s electrical system remains fully charged, even at idle. This alternator features 6 phase hairpin stator technology, twin rectifier plates, and 12 massive diodes for hard to beat durability. We have seen this alternator crank out 200+ amps at idle.

Overall, the Sinister Diesel 320 Amp OEM Alternator is an excellent choice for any Ford Powerstroke owner looking to upgrade their truck’s electrical system and power their high-performance accessories with confidence.

Additional information

Weight	10 lbs
Dimensions	8 × 8 × 6 in

Fitment

2007 Ford F-250 6.0L

2007 Ford F-350 6.0L

2006 Ford F-250 6.0L

2006 Ford F-350 6.0L

2005 Ford F-250 6.0L

2005 Ford F-350 6.0L

2004 Ford F-250 6.0L

2004 Ford F-350 6.0L

2003 Ford F-250 6.0L

2003 Ford F-250 7.3L

2003 Ford F-350 6.0L

2003 Ford F-350 7.3L

2002 Ford F-250 7.3L

2002 Ford F-350 7.3L

2001 Ford F-250 7.3L

2001 Ford F-350 7.3L

2000 Ford F-250 7.3L

2000 Ford F-350 7.3L

1999 Ford F-250 7.3L

1999 Ford F-350 7.3L

2000 Ford Excursion 7.3L

2001 Ford Excursion 7.3L

2002 Ford Excursion 7.3L

2003 Ford Excursion 7.3L

2003 Ford Excursion 6.0L

2004 Ford Excursion 6.0L

2005 Ford Excursion 6.0L

Features

CNC Billet Aluminum Chassis
Finished in Sinister Blue
Upgraded High Output Regulator
Upgrade High-Temperature Bearings
6- Phase Hairpin Stator Technology
Twin Rectifier Plates
12 Massive diodes
Up to 200amps at idle
1 Year Warranty

Includes

(1) High Output 320 Amp Alternator

Warning

Note: Because this product exceeds OEM specifications, you must include a High Amp Wiring Upgrade Kit at the time of purchase to maintain the Alternator warranty and prevent damaging the under-sized OEM wiring.

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About brand

Sinister Diesel builds performance and reliability parts for diesel trucks. The company focuses on cooling, durability, and proper fitment. Sinister Diesel performance parts support daily driving, towing, and work use. Sinister designs cooling systems, charge pipes, and fuel system components. These parts help manage heat and reduce stress on the engine. Better cooling supports consistent performance under load. Truck owners trust the brand for dependable upgrades. These parts perform well in real-world driving conditions.

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