LML|L5P Duramax High Output Alternator – XDP XD350

Upgrade the charging system on your 2011-2019 GM 6.6L Duramax LML or L5P with the XDP XD350 High Output Alternator. Factory alternators quickly become overloaded once you add high-draw accessories like off-road lights, auxiliary air compressors, aftermarket horns, stereo systems, snowplows, or other electronics. The XD350 delivers the extra capacity you need so your electrical system can keep up without strain.

This direct bolt-on unit produces 245 amps peak and 150 amps at idle, giving you reliable power even at low RPM. It features an OEM-style decoupler pulley that improves belt synchronization, reduces noise/vibration/harshness (NVH), and helps extend the life of your serpentine belt and accessory drive components. Finished in a durable wrinkle black coating, it also looks right at home in the engine bay.

Key Features:

• 245 Amp peak output / 150 Amp at idle
• 100% brand new – no core charge
• OEM-style decoupler pulley
• Ultra-durable wrinkle black finish
• Pre-tested with results included
• Direct bolt-on installation (factory mounting points and connections)
• Fits both single and dual alternator trucks (can replace either alternator in dual setups)

Fitment: 2011-2019 Chevrolet Silverado / GMC Sierra 2500HD & 3500HD with 6.6L Duramax LML or L5P

Warranty: 2 Year / Unlimited Mileage

Keep your Duramax powered and ready for whatever you throw at it. The XDP XD350 is the straightforward high-output solution that works as hard as your truck.