2004 duramax alternator. 6L Chevrolet Duramax LLY LBZ LMM $ 248. Get Yours Today! We have the best products at the right price. This alternator has a 4-pin voltage regulator and a 6-groove serpentine pulley. to/2nJIdiK ACDelco Serpentine Belt - https://amzn. 6L Duramax LB7/LLY/LBZ/LML This Dorman 419-623 Idler Pulley for your 2001-2016 GM 6. Replace the weak factory alternator in your 2001-2004 Chevy/GMC 6. Fits: 2002-2004 GM 2500HD/3500HD 6. 1772507604. 6L PowerMaster Item #: 58237W Condition: New Discover 01-07 GM 6. 6L Duramax Mean Green High Output Alternator - MG8247 - Charging & Starting and more at Pure Diesel Power Fits: 2001-2016 Gm 6. Ensure your system maintains proper voltage by upgrading to this replacement alternator from Powermaster. Choose premium alternators for your LB7 Duramax to ensure consistent charging, improved electrical performance, and system reliability. . Equip cars, trucks & SUVs with 2004 Chevrolet Silverado 2500 HD Alternator from AutoZone. Jun 6, 2005 · Bosch Reman Alternator (145 Amp) for 2004. 5-2005 GM Silverado/Sierra 2500HD/3500HD 6. 6L Duramax LBZ/LMM | 03-07 GM Kodiak/Topkick C4500/C5500 6. Shop for the best Alternator for your 2004 GMC Sierra 2500 HD, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. 6L Duramax Dayco Poly Rib Serpentine Belt- Main Drive Fits: 2002-2004 GM 2500HD/3500HD 6. Jun 6, 2004 · We provide top quality parts for the specific make of your diesel truck. That’s why so many LB7 trucks are still towing, working, and racking up real miles. Truck used in this video is a 2004 GMC Sierra 2500 6. Shop today. 6L LB7 Duramax with a high-quality upgrade. 6L Duramax is built to route the serpentine belt for proper alignment with the accessory drive belt, thereby keeping the alternator charging, the water pump running, and the power steering pum. 6L LLY ACDelco 335-1086 Professional Alternator - https://amzn. thank you for your service! Step-by-step instructions for how to replace an alternator in a Duramax Chevrolet/GMC truck. Auxiliary equipment such as off-road lighting, winches, and snowplows can be extremely taxing on the factory charging system and is more than it was originally designed to support. 02-04 GM 2500HD/3500HD 6. Tools needed: 1/2" breaking bar Pry bar 10 mm ratcheting wrench 15 mm socket and ratchet 3/8" swivel 3/8" extension 3/8" impact wrench Thin long flat blade screwdriver 17 mm socket and ratchet Dental pick Plastic Please contact your administrator with the error code: 0. 6L LB7 Duramax Diesels, now available at Pure Diesel Power. 6L Duramax LB7 (Single Alternator, See Applicaitons) | 2006-2010 GM 2500HD/3500HD 6. 6 LLY Duramax with the Alternators offered by XDP. Fits: 2001-2016 Gm 6. NEW Powermaster Duramax Alternator | 2001-2007 GM Duramax 6. cdcf5868. 6L Duramax LBZ/LMM (Single Alte. Feb 27, 2026 · BD Diesel Tech Guide Duramax LB7 Problems: 10 Common Issues & How to Fix Them (2001–2004) The LB7 Duramax is the “clean-simple” era of Duramax ownership—no DPF hardware, great mileage, and a strong bottom end. Every Powermaster high output alternator is tested and comes with a proof of performance tag. to/2MKBJhT ACDelco Drive Belt Restore or upgrade the charging system in your 2004. Mar 2, 2013 · These videos show how I swapped the alternator on my 2004 Chevy Duramax LB7. But if you’ve lived with one long enough, you also know the pattern: the same handful of Chargers, Alternators, & other Electrical Components for the 2001-2004 GM 6. 31 Select options Spring Because so many veterans become ranchers and farmers . cf98e15. With all of the aftermarket electrical upgrades you can make, such as lighting, winch, and stereo, the factory alternator is severely tasked and not always able to deliver a consistent charge. . 6L Duramax + 06-10 GM 2500HD/3500HD 6. 5-2010 6. kyd nvvhf ksji xhsnu gmulhuf fpng nnyoj adwj ogqwmd jyav