Sinister Diesel 320 Amp OEM High Output Alternator (SDALT5903320) for 2003-2005 Cummins 5.9L

$1,091.99Purchase & earn 1,091 points!

Sinister Diesel’s 320 Amp OEM alternators are a reliable solution for Cummins 5.9L alternator failures, which can cause electronics issues due to low voltage. Using brand-new OEM components, these alternators ensure high quality and direct fitment without modifications. They come with a 1-year warranty for customer confidence.

While we are working diligently to ensure timely delivery, please expect a 2-3 week lead time before shipping

Total: $1,091.99
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Description

Sinister Diesel 320 Amp OEM alternators are trusted by many Diesel repair shops and stores to be the “fix all solution” for the Cummins 5.9L alternator failures which may cause electronics failures due to low voltage from the lack of alternator power that comes from the Ford factory. Sinister Diesel’s proudly uses brand new OEM alternator components such as the Stator, Rotor, Rectifier and Regulator to give our customers piece of mind to match our standard of quality. Our alternator will be a direct fitment without any modifications needed. We can proudly stand behind all of our alternators with a 1-year warranty.

Additional information
Weight 10 lbs
Dimensions 10 × 6 × 6 in
Manufacturer

Fitment

Fitment

2007 Dodge/Ram 2500 5.9L

2007 Dodge/Ram 3500 5.9L

2006 Dodge/Ram 2500 5.9L

2006 Dodge/Ram 3500 5.9L

2005 Dodge/Ram 2500 5.9L

2005 Dodge/Ram 3500 5.9L

2004 Dodge/Ram 2500 5.9L

2004 Dodge/Ram 3500 5.9L

2003 Dodge/Ram 2500 5.9L

2003 Dodge/Ram 3500 5.9L

Features

Features

  • Cast Aluminum Chassis
  • Powder Coated in Sinister Blue
  • Upgraded High Output Regulator
  • Upgraded High Temperature Bearings
  • 1 Year Warranty
Includes

Includes

  • High Output 320 Amp Alternator
Warning

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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