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Best Sellers | 2004.5-2005 GM 6.6 Duramax LLY

When shopping for diesel performance parts, or really anything in life, have you ever felt completely overwhelmed with all of the choices? Everyone says their particular "thing" is better than the nex ... read more

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S&B KF-1035 Replacement Air Filter 94-09 Cummins / 01-10 Duramax SB-KF-1035D-Main 0.00 S&B KF-1035 Replacement Air Filter 94-09 Cummins / 01-10 Duramax S&B Filters KF-1035D Need a replacement air filter for the S&B intake in your diesel? PPE 3" Stainless Down Pipe 04.5-10 6.6L LLY / LBZ / LMM Duramax PPE-117000500 12.00 PPE 3" Stainless Down Pipe 04.5-10 6.6L LLY / LBZ / LMM Duramax PPE (Pacific Performance Eng.) 117000500 Upgrade the factory crushed downpipe on your 2004.5-2010 Duramax with this stainless high flowing piece from PPE PPE Double Deep Premium Spin On Transmission Filter Allison 1000/2000 01-19 6.6L GM Duramax PPE-128059150 2.00 PPE Double Deep Premium Spin On Transmission Filter Allison 1000/2000 01-19 6.6L GM Duramax PPE (Pacific Performance Eng.) 128059150 PPE recognized the need for better filtration for the hard-working Allison transmissions in your 2001-2019 6.6L GM Duramax, so a superior filter was developed which addresses limitations of the standard "shorty filter". Fleece Allison Transmission Cooler Lines 01-10 Duramax FPE-TL-LB7-Main 0.00 Fleece Allison Transmission Cooler Lines 01-10 Duramax Fleece Performance Engineering FPE-TL-LB7-LLY Stop the leaks! With the Fleece Trans Cooler Lines for your Duramax. Diesel Rx GM Glow Plugs | 1982-2016 Duramax 6.6L/6.2L/6.5L DRX00058-main 0.00 Diesel Rx GM Glow Plugs | 1982-2016 Duramax 6.6L/6.2L/6.5L Diesel Rx DRX00050 Replacing your old Glow Plugs is a solution for hard cold weather starts. Diesel Rx is the leader in Glow Plug Design. They heat up faster and hold a more stabilized temperature than NGK or Beru (See short video below for more information). PPE Billet Turbo Resonator Delete Plug 04.5-10 GM 6.6L Duramax PPE-115010120-Main 1.00 PPE Billet Turbo Resonator Delete Plug 04.5-10 GM 6.6L Duramax PPE (Pacific Performance Eng.) 115010120 Eliminate the factory turbo resonator in your Duramax with the PPE Billet Aluminum Turbo Resonator Delete Plug. PPE Standard Xcelerator 01-10 6.6L LB7/LLY/LBZ/LMM Duramax PPE-1110200 3.00 PPE Standard Xcelerator 01-10 6.6L LB7/LLY/LBZ/LMM Duramax PPE (Pacific Performance Eng.) 1110200 The PPE Standard Xcelerator will give you up to an additional 225HP/335 Torque. PPE Performance Transmission Cooler for 01-10 Duramax LB7/LLY/LBZ/LMM PPE-124060000-Main 0.00 PPE Performance Transmission Cooler for 01-10 Duramax LB7/LLY/LBZ/LMM PPE (Pacific Performance Eng.) 124060000 Diesel Power Products now sells PPE Performance Transmission Cooler for 01-10 Duramax LB7/LLY/LBZ/LMM PPE MicroPure Extreme Performance Engine Oil Filter 01-19 6.6L GM Duramax PPE-114000555 2.00 PPE MicroPure Extreme Performance Engine Oil Filter 01-19 6.6L GM Duramax PPE (Pacific Performance Eng.) 114000555 When it comes to the oil quality in your Duramax, its imperative to keeping it clean and viscous to ensure the health of your engine. One of the best ways to do this is by using a high quality engine oil filter, such as this MicroPure Extreme Performance filter from PPE featuring TorqSTOP Technology. PPE PCV Crankcase Breather Repair Fitting Set 04.5-10 GM 6.6L Duramax PPE-114020000 1.00 PPE PCV Crankcase Breather Repair Fitting Set 04.5-10 GM 6.6L Duramax PPE (Pacific Performance Eng.) 114020000 Replace your brittle factory plastic crankcase breather fittings with these PPE machined billet PCV Crankcase Breather fittings. PPE Replacement Up-Pipe Bolt Kit 01-16 GM 6.6L Duramax PPE-116121500 2.00 PPE Replacement Up-Pipe Bolt Kit 01-16 GM 6.6L Duramax PPE (Pacific Performance Eng.) 116121500 Replace your rusted or broken up-pipe bolts in your 2001-2016 GM Duramax with this PPE Replacement Up-Pipe Bolt Kit. PPE Economy Xcelerator 01-10 6.6L LB7/LLY/LBZ/LMM Duramax PPE-1110100 3.00 PPE Economy Xcelerator 01-10 6.6L LB7/LLY/LBZ/LMM Duramax PPE (Pacific Performance Eng.) 1110100 The Xcelerator will increase fuel economy with the side effects of more torque/Horsepower and better throttle response.

When shopping for diesel performance parts, or really anything in life, have you ever felt completely overwhelmed with all of the choices? Everyone says their particular "thing" is better than the next guy's, leaving you to do a ton of research, or just step out on a limb and take a chance sometimes when the decision isn't obvious. We've put together this particular category, specific to your 2004.5-2005 LLY Duramax, that has our most popular products over the years sold for this particular model year range of truck. Whether you've got a completely stock truck and looking for recommendations on your first upgrade, or you've already started the upgrade process and wondering what's next, the below items have proven themselves to us, as well as our customers. You'll find what has proven to be the best programmer, exhaust upgrade, cold air intake, and anything else that is historically a best seller.

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