Description

Fits

Year	Make	Engine
2001 - 2007	GM	LB7, LLY, & LBZ 6.6L Duramax

Many diesel repair shops and stores trust Sinister Diesel's 320 Amp OEM alternators as the ultimate fix for GM Duramax 6.6L alternator failures. Factory - installed alternators may have low power, leading to low voltage and electronics failures. Sinister Diesel uses brand - new OEM components like the stator, rotor, rectifier, and regulator. This ensures top - notch quality and gives you peace of mind. The alternator fits directly without any modifications. And it comes with a 1 - year warranty.

Part Number: SD - ALT - 6.6 - 01 - 320

Features

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

Includes:

• High Output 320 Amp Alternator

Notes

• Since this product exceeds OEM specs, buy a High Amp Wiring Upgrade Kit when you purchase it. This maintains the alternator warranty and prevents damage to the undersized OEM wiring.
• There might be clearance issues on the LBZ when used with aftermarket EGR Compatible intakes.

Using this alternator is straightforward. First, make sure your vehicle is a 2001 - 2007 GM with a LB7, LLY, or LBZ 6.6L Duramax engine. It's a direct fit, so you don't need to make any modifications. When you buy it, remember to also get a High Amp Wiring Upgrade Kit. This is important to keep your warranty valid and to prevent any damage to the existing wiring in your vehicle. As for maintenance, there's not much to do. Just check it regularly to make sure it's working properly. If you notice any signs of trouble, like electronics not working right or strange noises, it's a good idea to have it inspected. And don't forget, it comes with a 1 - year warranty, so if anything goes wrong within that time, you're covered. One more thing, if you have an LBZ and are using an aftermarket EGR Compatible intake, be aware that there could be clearance issues.