Not that bad 01-05 LB7 LLY Duramax. The reviews of the turbo are great and state that it is quite heavy-duty. While the X-TRA Cool may resemble a stock replacement, the construction and design is far from it! Most of the users who reviewed this product seemed to be pretty impressed and highly satisfied with it. Bosch’s updated and new injectors come with stronger and more durable bodies that have chrome-plated ball seats to eliminate all these issues. This kit is still available for the budget conscious customer. It is also made up of good quality internal parts which are tested by strict OES standards to ensure unparalleled functionality and operation. Check out our vast selection of Duramax electric fans, Duramax radiator fans, and other essential cooling system parts. The first upgrade is a DIY Airbox modification. Getting a free-flowing turbo piece gets rid of the overheating issues and provides the accurate boost pressure to your engine. It is also super easy to install, as it doesn’t take up a lot of time. LLY Duramax Specs & Background. If you have temperature issues in your current Duramax turbo mouthpiece and have an overheated engine, it’s time for you to upgrade your turbocharger. The installation is a breeze, and the roaring sound it provides to the engine makes everything even better. With all the Duramax powered GMs, the automatic transmission versions of the engine have to be upgraded earlier in the whole modification process, especially if you have to go more than 400 rwp. Mishimoto has released a performance aluminum radiator for the 2001–2005 Chevrolet/GMC 6.6L Duramax. When you buy through links on our site, we may earn an affiliate commission. Beyond simple bolt-ons—and due to the common-rail injection system—chasing horsepower with these trucks can be fairly expensive. Duramax intercooler kits combine intercoolers, piping, and silicone boots with Duracore™ technology for complete charge-air cooling. The quality, construction, performance, and durability of this turbo are everything that you need in your vehicle. Before we jump on to the reviews of the models that stand out in the market, let’s take a look at the types of LLY Duramax upgrades. This kit includes your auxiliary radiator, lower mounting bracket, all of the parts and hardware necessary for the install as well as the shrouds and replacement lower panel designed to ensure maximum airflow for both your auxiliary radiator and cooling stack. This turbo is excellent for use for owners of Chevrolet and GMC 6.6L and is the perfect upgrade for Duramax LLY, LBZ, and LMM. An exhaust, egr blocker plate, and custom tune would be the next step after that. 2004.5-2005 LLY DURAMAX | COOLER UPGRADE KIT. Also fits 2006-2009 Express vans with Duramax engine and without electronic activation. The superior core design of these radiators can offer up to 30% more cooling surface area than other radiators with the same outer dimensions. It works great and spools right up when you crank it for the first time. The XDP X-TRA Cool Direct-Fit Replacement Radiator XD295 is an upgrade for the old leaking radiator in your 2001-2005 GM 6.6L Duramax LB7 & LLY. Hopefully, this article provided you some information and insight on which one is more suitable for your kind of vehicle. It is also very simple and easy to use and comes with a diagnostic reader to scan the trouble codes and clear them out as well. For Garrett, the quality and design of this turbo are amazing. Perfect To sum up, if you’re looking for the best turbo upgrade for your Duramax LLY, it doesn’t get better than this. It provides the lowest temperatures of gas and ensures the highest possible torque and horsepower. Locally I have found a few LBZ duramaxs with roughly 240k miles on them that are in my budget, and also a few LB7 and LLY trucks with 180k-200k miles on them. Upon extensive analysis by the Association of Diesel Specialists, they have found that the 6.6l Duramax is a very powerful engine motor that is available today. No other upgrade on an LLY Duramax can provide the stump pulling torque that a set of DDP LLY injectors can. The bulletin applied to all 2004 and 2005 LLY Duramax engines. 2011-2014 6.7l Powerstroke Cooler Upgrade Kit W/ Coolant Re-route Hose For Factory Pyro, W/pass Through Plate. It also comes backed up by an impressive warranty. Trouble codes can be diagnosed and cleared, You can enjoy fuel saving for long haul driving, LCD display allows you to monitor 15 different performance parameters, Four products in one: monitor, gauge, diagnostic device and, Able to utilize many preloads and 10 customized tune files for your vehicle, Fuel mileage increase is not that drastic, Does not provide as much horsepower as it claims, Can be easily installed with common tools, Instantly boosts the horsepower as well as torque, Does not come with a muffler for peak performance, Improves the fuel economy of the engine by 1-2 mpg, Aluminized Steel will rust eventually, not recommended for areas that experience winter/salt, Compatible with most of the intake systems, Provides a whopping 78.6% increase in the airflow, Sleek powder-coated design that gives a sophisticated look, Not recommended unless you’re upgrading something else too, Installation requires more disassembly than is mentioned in the instructions, Made with high-quality steel that is durable, Top-quality construction with high efficiency, Changes how your engine performs completely, Comes with 3 banjo bolts that do the job accurately, Packaging was too flimsy for a heavy item, Rebuilt with the use of OEM by qualified engineers, High-pressure sealing surfaces redesigned to original specifications, Constructed with high-quality materials that are tested for reliability, Consistent and smooth operation no matter how many miles you travel, Performance is stellar due to high tolerance and extreme pressure handling, If not installed correctly, it could be really dangerous, The speed limited on this part is adjustable, Comes with up to five different power levels of added horsepower, The extra power only comes at the wide-open throttle, MBRP 5" DP-Back AL Series, Single Side Exit, S&B Filters 76-1006B Engine Turbo Mouthpiece, Bully Dog - 40420 - GT Platinum Diesel Diagnostic and Performance Tuner, 2004-2005 Chevy/GMC Duramax by Dieselin Parts, Up to 5 power levels of additional horsepower and torque, Will optimize a stock engine’s performance, Diagnose trouble codes to ensure proper operation, Advanced functionality tools and techniques. It comes with all the latest upgrades needed for your vehicle, and the pins are used to minimize distortion and enhance the vane activation. Fitment. As per reports, this popular turbo mouthpiece is an essential upgrade for all Duramax users as it can totally change the way that your engine performs. Diesel Power Products carries an AFE Intercooler Tube Upgrade 04.5-05 6.6L LB7 / LLY GM Duramax 46-20048 and many other diesel products! Most Duramax owners face a leaking issue in their cooler lines even after using the warranty to replace it. In stock form, the LB7 Duramax should produce 270-290 rear-wheel horsepower and with a mild tuner the can be bumped to around 400 hp safely. Let’s take a look at the difference that these upgrades make in your vehicle, and how they change the game for you: These upgrades are more durable and last for a longer period of time. It is easy to put on, which makes it super convenient for novices or beginners and is great for users who want the engine sound to be really loud. 6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Closed / Archived Marketplace Ads Duramax Second Generation: 2004.5-2005 (LLY) 6.2L Diesel Engine Recommended Communities Pirate 4x4 Forum For 2001-2005 GMC Sierra 3500 HD w/ 6.6L Duramax LB7/LLY Read more. You need to get rid of these factory hoses and purchase high-quality stainless-steel lines that hold up to the immense pressure or harsh weather conditions. GDP Cooler Upgrade Kits remove those concerns from the equation. Required fields are marked *, Your Rating Before purchasing either of these parts, make sure that you have enough wiggle room or coin to pay for the installation costs. At a Glance: Our Top Picks for Upgrades For LLY Duramax, Comparison Chart of the Best Upgrades For LLY Duramax. This will help you determine which one speaks out more to you. For those looking for a reliable, high-quality engine tuner, this is the right upgrade. You will be more than satisfied when you tune this into your truck. While the X-TRA Cool may resemble a stock replacement, the construction and design is far from it! If you’ve still got some ambiguities or doubts haunting your mind, then look at these frequently asked questions to clarify some of your queries. All units are built to order, please allow 3-4 weeks for production and shipping. While most of the upgrades here come with easy installation if you still want to consult a mechanic, know that those costs may be super high as well. This kit was designed for the Chevrolet 2004.5 and 2005 LLY duramax diesels. Like all Duramax-powered GMs, automatic transmission versions will need to be upgraded early on in the modification process, namely if you plan to go much further than 400rwhp. Need parts to keep your Silverado / Sierra Diesel LLY still running like a champ? Designed to engage more consistently and at a lower temperature than the OE unit to prevent overheating. Browse Oil Cooler for Duramax Products Sort Best Match Lowest Price Highest Price Best Rating Most Reviews List A-Z List Z-A Newest Oldest Let’s take a look at these types: If you are facing several injector-related issues such as piston damaging or excessive balance rates, you need to upgrade the injectors. However, have you tried to tackle the weaknesses that come with it? This product stands out because it is designed with a black powder coating to give the piece a more elegant and high-quality look. It is also durable and is compatible with a lot of different intake systems. Mishimoto performance radiators are manufactured from high-quality aircraft-grade aluminum … Since its introduction, the Duramax has gone through LBZ, LLY, LBZ, LMM, and LML designations, with a number of revisions along the way. It is also very efficient and does not wear out easily. The exhaust mates up to the DPF with ease and gives you the maximum diameter as well as the mandrel bent pipe. Looking for an injector for your vehicle? This is a very versatile device and can be used on cars, trucks, and any other type of vehicle. Save: $10.62. 2. While all iterations are fairly reliable, the older ’01-’04 LB7 engines and ‘04.5-’05 LLY’s are starting to show their age. The reason why this set is mentioned in this list is because of the high-quality features that it provides. Your email address will not be published. Mishimoto Aluminum Radiator. They are very powerful and made with the highest quality materials. Best LLY Duramax Injectors: The gas mileage improved, and the power and performance of the vehicle also increased. It works excellent on LLY Duramax and provides better throttle response and increased file mileage. This kit was designed for the Chevrolet 2004.5 and 2005 LLY duramax diesels. 2007-2010 6.6l Lmm Duramax Cooler Upgrade Kit. CA Prop 65 The XDP X-TRA Cool Direct-Fit Replacement Radiator XD295 is an upgrade for the old leaking radiator in your 2001-2005 GM 6.6L Duramax LB7 & LLY. Glow Plug Failue – 2006 LLY Duramax. It is also a great upgrade for your Duramax LLY. Please be sure of your purchase prior to making it. We find this to be an excellent upgrade for many reasons. Not one of the users faced any issues with this product. Fits 2001-2005 Duramax LB7, LLY engines in pickup trucks. While the Allison 1000 transmission is one of the best diesel … Similar to the LB7, the LLY Duramax is reliable, powerful, and lacks most of the emissions found on modern day diesel trucks like the L5P.LLY Duramax trucks don’t suffer from the same injector failure problems that LB7 trucks frequently had. Overall, this high-quality piece is power-packed with high-quality performance and endurance. Overall, this is an impressive Duramax upgrade. It is also very efficient and does not wear out easily. This is the best one you will find in the market today and is guaranteed to provide you with excellent performance and high-quality operation. It is also very useful for those who want to get the best value for their money and at the same time, want something of high quality. This kit is the culmination of over 3 years of fabrication and feedback on everything from performance to ease of install. Qty: Add to Cart See Details. If you aren't seeing the product you are looking for, or you have a question about a particular part, don't hesitate to call us at 724-785-4022, or drop us a message and we'll get back to you as soon as we can. 1982-2000 Chevrolet 6.2L/6.5L 2001-2004 Chevrolet 6.6L Duramax LB7 It also increases the fuel mileage, and you can adjust the tire size so that it calibrates with your speedometer. It features three cobalt pins as well, which makes it quite useful. The factory upgrade of the 06 intake system is a good investment, but a cold air intake system (an actual cold air intake, not a drop in or pulls from the engine compartment setup) and an s&b or afe mouthpiece is also good, and doesn't require a retune. This powerful beast comes with five different power levels of horsepower and torque, making this upgrade a super fiery and high-quality one. Here are the upgrades to consider: DIY Airbox Modifications. GDP MONITOR PRO. It does add on a ton of power and torque, and it doesn’t bug you while you are driving. 2004.5-2005 LLY: Free-Flowing Turbo Inlet Manifold. Good This is an excellent part for those who are looking to upgrade their Duramax exhaust system and get better horsepower and torque. The thousands of excellent reviews on this turbo piece, the high-quality design, and the attractive pricing make this product a killer deal for a Duramax upgrade. Fleece Performance S300-S400 Turbo Installation Kit 01-10 6.6L Duramax FPE-TURBO-INST-KIT-DMAX 7.00 Fleece Performance Engineering FPE-TURBO-INST-KIT-DMAX This is very useful for users who have the PPE Manifolds as well as the Up-Pipes. The Flex-a-lite 104703 Direct-Fit Dual Electric Cooling Fans for your 2001-2005 GM 6.6L Duramax provides you with a high performance bolt-on cooling upgrade for your Duramax powered pickup. It also is the perfect upgrade for the LB7 Duramax and can be used with a camper truck as well. Despite that, users love their investment. This provides the optimal functionality of the parts that merge together to make the vehicle work super efficiently. Allison 1000 Transmission Line Leaks. 3. BD-Power Cool-It Intercooler 01-05 6.6L LB7 / LLY GM Duramax 1042600 BD-1042600 62.00 BD-Power 1042600 As such it is available without the fan kit (which can be added later if needed). Sale: $82.00. It is well constructed with high-quality steel and is very durable and sturdy. The superior core design of these radiators can offer up to 30% more cooling surface area than other radiators with the same outer dimensions. Price: $92.62. Upgrading your Duramax will change the game for you for a lifetime, and in this guide, we’ll let you know exactly how. Mishimoto performance radiators are manufactured from high-quality aircraft-grade aluminum … Factory replacement and aftermarket performance parts for 2004 - 2005 6.6L Chevy GMC Duramax LLY pickup trucks. By replacing your stock clutch fan assembly with this dual electric fan system, you can increase your fuel economy by up to 6% and recover up to 27 HP! GM 19330105 Duramax Upper Radiator Hose 06-10 LBZ LMM These units are made to order so please allow 3-4 weeks to ship. "Be sure to clean the air side of the cooling stack. In 2006, the glow plugs were paired with a problematic glow … This engine tuner is nothing short of that and is packed with so many features that you will not need any other upgrade for your engine. It also increases fuel mileage. It has been installed in the LB7 and LBZ duramax engines as well. Bully Dog is a very famous and popular brand for car parts, and they always ensure the highest quality materials in their products. With very little time invested, these modifications will breathe new life into an old diesel truck. If it is maintained properly, it can easily reach the 350,000-mile mark, with some users even claiming that they hit 400-500,000 miles. 2004-2005 6.6l Lly Duramax Cooler Upgrade Kit W/ Up Pipe. It provides better airflow, and you will notice an increase in the fuel mileage as well. This is because they give your vehicle a new lease of life and can operate under immense pressures as well as bad weather conditions. Shop with us and find everything you need and more | 2004.5-2005 Trucks It is an amazing product to use for heavy-duty trucks as it provides better throttle response and excellent tuning. Before we get any further, here are our top 3 favorite picks from this review: Let’s take a look at the reviews of the best upgrades that you can find for LLY Duramax. This impressive exhaust system has the most outstanding features and high-quality performance. This is an excellent injector for the 2004.5-2005 vintage 2 Chevy and GMC 2500 and works as a phenomenal upgrade for the Duramax LLY Express. If you are a Duramax user, then this is a must upgrade for you. Customers found this product to be quite useful as it provides excellent value for the money. If you’re looking for a high-quality, high-powered turbo that works like a beast, then you will definitely enjoy this one. Your email address will not be published. It has been installed in the LB7 and LBZ duramax engines as well. If you are looking for an accelerator that provides more power, high-quality throttle response, user-friendly interface, and smooth operation without any hiccups, then this PPE Xccelerator is the best item for you. Although the LLY came with the largest turbocharger ever offered on a Duramax, it was fitted with the most restrictive turbo mouthpiece, the smallest engine fan and also debuted the engine’s 50-state EGR system. These parts make all the difference when it comes to peak performance. GM’s solution retrofits the new-style LBZ air intake to the LLY engine. It also provides a big change in the horsepower and torque and increases the fuel mileage as well. The transmission upgrades offered here will completely change the way your Duramax LLY performs. Description: Genuine GM/AC Delco Replacement Parts Condition: New. Good luck! The LLY engine is known to run warmer than others, so be prepared to add a few preventative items in order to co… Overall, the product performs well, but it could be refurbished for better quality. Save: 11%. The 2nd generation Duramax is known as the LLY. If you are looking for the turbo piece that helps overcome your overheated system, then this is the perfect option for you. Return Policy: Due to the custom nature of our products and low volume of sales we are unable to offer returns of any kind. There is a lot of potential and peak performance capability with this product, and it works flawlessly with the LB7 Duramax. It also provides you with a lot of options for customization according to your vehicle. Part #: … The intake air horn connects the front mouth of the turbo to the air … Our chosen models have been reviewed in detail so that you can find the perfect pick for yourself. Rate… The Mishimoto 6.6L Duramax Performance Radiator offers increased cooling efficiency, and the all-aluminum TIG-welded construction provides a rugged design that can take the abuse of … Otherwise, it could get dangerous for you as well as your vehicle. Duramax may have several bolt-ons and gives the smoothest and quietest operation in your vehicle. Radiator Surge Tank Cap, Coolant Reservoir Cap Replace RC98, 15075118 Compatible with Chevy GMC Duramax - 1999-2006 Silverado Sierra, 1999-2012 Malibu, 2000-2006 Tahoe Yukon, 1999-2005 Grand Am, More $11.99 $ 11 . 99 Even if you do end up paying a couple more bucks than you intended to, they would be worth it. Part #: GDP420020. The quality, construction, performance, and durability of this turbo are everything that you need in your vehicle. 1. Now that you’ve read the entire article and the reviews of the best Duramax LLY upgrades, don’t forget to take all the considerations in mind before you buy one. Part #: GDP421017. To sum up, if you’re looking for the best turbo upgrade for your Duramax LLY, it doesn’t get better than this. Before you purchase your parts for an upgrade, go over these main considerations that you should make, so that you do not end up buying the wrong part and regret your decision: If you own an LLY engine by Duramax, you should know that they are warmer than the rest of the engines in the market and are more prone to overheating. It is also customized, and it is also very easy to read the codes. Factory cooler setups recirculate soot and harmful gasses through your engine causing build-up and clogs, resulting in loss of performance and proven mechanical issues. The turbo can breathe better and does not overheat, and the installation is a breeze. These parts will not disappoint you or let you down. GM had a good thing going with the original LB7 Duramax engine, so they wisely decided to keep changes to a minimum when they introduced the new 310HP 6.6L Duramax LLY … I am looking at buying my first diesel and need some advice on what to get. Very Poor. I had a difficult time getting my mind around how a change in intake systems would solve an overheating issue. It is tested for durability and pressures and has great tolerance as well as superior components. It also performs efficiently and adds power to the engine. Another reason why these products were chosen is that they have gone through vigorous testing and high-quality standards to provide you with the best possible upgrades for your vehicle. Hello folks. You should also know that at any power level above 600 rwp, your LLY’s connecting rods will be risky to use as they will be prone to bending. It is designed to give you the optimum functionality in your engine and is equipped with many features to guarantee customer satisfaction always. Mishimoto MMRAD-DMAX-01 Aluminum Radiator Upgrade Mishimoto has released a performance aluminum radiator for the 20012005 Chevrolet/GMC 6.6L Duramax. Best of Diesel is reader-supported. Average The best feature of this upgrade is that it automatically optimizes according to your stock engine’s performance, and you can easily upgrade the software. This will further help you in understanding the operation of the Duramax upgrades and aid you in making a better purchasing decision. GM 15792832 Duramax Upper Radiator Hose 01-05 LB7 LLY (0) Reviews: Write first review. The earlier models of the engines have a horsepower of about 2700 rpm, and the 2004 model of the LLY engine comes with a 310 hp at the rate of 3000 rpm. They are known to be reliable and consistent in their production; however, the engine and the Allison 1000 transmission have some design issues. There are a few reasons why we picked out these upgrades for you. It also promises 100% satisfaction to its customers. This is an increase of 300 rpm as compared to the 2002 and the 2003 models of the Duramax LLY engine. If you need a new injector that guarantees the highest quality with a good warranty, then this is perfect for you. Browse Radiator for Duramax Products Sort Best Match Lowest Price Highest Price Best Rating Most Reviews List A-Z List Z-A Newest Oldest View 12 24 48 60 96 400 You need to add a few preventions or get an upgrade that allows you to combat overheating in the engine. INTAKE AIR HORN / INTAKE. If in the event you order one of our products and are unable to use it we will do our best to get you in contact with another customer for a private party sale via our Facebook page. Whether you're trying to keep it cool or you're looking to take your Duramax LLY Allison Transmission to the next level, this is the place for you. So I am on a $15k budget. This is the original secondary cooling system. With Sinister Diesel, you can upgrade your stock engine oil cooler to allow for increased oil flow and more efficient cooling when your engine needs it most. Part #: GDP11011. It is hard to describe the feeling of a built trans until you've been in a built trans truck. Duramax engines have been in the market since 2001, and needless to say, they have become a huge success in the market for engines.