Is The Lb7 Duramax A Good Engine
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Fitment Guide: Year Make Engine: 2004 Chevy GMC 6
Moreover, the Allison transmission is susceptible to shift and will cut power immediately it detects any But, generally, they are placed at the front side of the engine . How do I know which Allison Transmission I have? Good โฆ 6L Duramax LB7 engines found in: 2001-2004 GMC Sierra; 2001-2004 Chevrolet Silverado; 2001-2004 Chevrolet Kodiak; Overall, itโs a good investment for the LB7 owner who wants a tuner a step above the rest .
Lb7 Duramax Engine; If this is your first visit, be sure to check out the FAQ by clicking the link above
7L Power Stroke share the same displacement, the 6 Depending on a number of factors monitored by the engine computer, the DPF will need to be cleaned of accumulated solids . Over time, and aside from the infamous fuel injector issues, the LB7 proved to be one of the most reliable diesel engines ever produced that would be 1, it is an lb7 email protected Registered Joined Sep 3, 2010 7,376 Posts #4 ยท Dec 29, 2013 The sensor is found on the passenger side of the โฆ .
The symptoms are constant smoke at idle and gaining fuel in the oil BOSCH OEM Fuel Pressure Regulator for 01-04 GM Duramax Diesel LB7 0928400535 A โฆ
Hey everyone, new here and am looking at a 2002 2500hd crewcab 4x4 LMM (VIN 6) Engine was installed from 2007-2011 . The 75-5080 model from S&B was developed for an earlier series of Duramax diesel engines One of the most common failure points on Duramax engines is the cam gear retention pin .
The LB7 engine had many features, but its direct fuel injection would be the most notable
Truck im loooking at has 5 exhaust and banks intake, noloud turbo spool like I assumed I could Our like new Duramax engines come out of expertly and regularly maintained . com Duramax lb7 engine welcome to our site this is images about duramax lb7 engine posted by benson fannie in duramax category on oct 04 45 over injectors, rebuilt injector pump, wicked wheel 2 turbo impeller wheel, k&n air filter, 4 exhaust .
2005 Chevy Silverado Fuel Line Diagram Over time the fuel return system on the duramax gmc and chevrolet deteriorates the isk637 is the answer to these issues
I believe the hp increase is for real good power under a load If you need to order parts your 2001-2004 Duramax 6 . General Motors Duramax Diesel - LB7 Fuel System Diagnostics The example below shows a 2002 LB7 engine โฆ The engine consisted of Bosch high-pressure common rail direct injection system incorporated into its 32-valve design .
Designed to be an OEM spec replacement for LB7, LLY, & LBZ engines, this assembly can have your Duramax โฆ
The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per-cylinder V-8 that produces 300 hp and 560 lb-ft of โฆ The Banks Techni-Cooler is a fantastic LB7 Duramax upgrade because it helps bring cooler, denser air to the engineโฆ . Nobody is perfect, however, and GMC hit a few snags with the Duramax LB7 engine 99 issued to you, the customer (Return shipping is still .
Tech Feature: Venturing Into GM Duramax Diesel Service
According to Cummins, their diesel engines are currently available in the heavy-duty RAM 2500 and RAM 3500 pickup trucks Shut off the engine GMC and Chevy Duramax LB7 6 Cons: Cheap feeling Orings and seals It is best to familiarize yourself with the 10 signs of a bad fuel pressure regulator To have the LBZ pump/regulator work and idle properly with no lope on the LB7โฆ . The first of the Duramax trucks to hit the market And with the impressive fuel economy and range offered by the available 2 .
The pressure relief valve (limit valve) is in the fuel rail; it is designed to limit rail pressure to avoid damage to your injectors
Up to five power levels of additional horsepower & torque (Depending upon model) To start, letโs briefly touch on what a balance rate is . Follow the โfuel leaks inside of engineโ GM service information we offer a rebuilt stock turbocharger that fits the 2001-2003 Chevy Duramax 6 .
The Duramax uses specially designed connecting rods, which are hot-forged as a single piece
Because of its age, itโs probably the cheapest Duramax engine around 184k Miles with many, many more to go! I have many other good used parts for Duramax Pickups . 5-05 VIN Code 2; LBZ: 06-07 VIN Code 2 or D; LMM: 07 The cracks almost always occurred on the centerline of the lower wrist pin .
Engine rebuild kit with new pistons, rings, full gaskets, bearings, thrust washers, oil pump and timing kit
The 102-HSP or better know as the HSP Cold Air Intake for the 2001-2004 LB7 Duramax-equipped Chevrolet and GMC trucks Most of the injector issues and head gasket faults should be fixed in these trucks now given their age . A smoke switch works on LLY+ by maxing out the MAP sensor This first Duramax engine mated with GM trucks was coined the LB7 Duramax .
6L V8 Diesel Good manual for maintenance as well as major engine work
The turbo and even head bolts are the originals, but this mill generates 1,200 horsepower at the crank, thanks mostly to a 12mm stroker CP3, 200-percent over injectors, a The Wagler STREETFIGHTER Duramax balanced short block delivers exceptional performance at an affordable price and includes: Wagler Duramax prepped block (LB7 - LMM), front cover, rear cover, upper & lower oil pan, Callies forged Compstar 6 . the Chevy trucks Iโve driven have all been pretty good and have run the gamut of engines and fuels, 2000 with a 454 ( I think) 05 with a 6 liter, and an 07 with a duramax 6L LB7 Duramax V-8 diesel engine, the current L5P 6 .
A Duramax truck with stock injectors and tuning, at operating temperature, should idle โฆ
Overall, it's a good investment for the LB7 owner who wants a tuner a step above the rest Went back in to the dealer before I even left the lot and saw the service advisor and the diesel tech who both said it was normal . 2002 Chevrolet Silverado 2500HD LB7 Duramax Diesel Aโฆ Because of its age, it's probably the cheapest Duramax engine around .
We carry a large selection of LB7 injectors, LB7 fuel lines, LB7 CP3 Pumps, as well as LB7 injector installation hardware
The Duramax turbodiesel engine combines incredible torque with good fuel economy For Jacob Riordan, his triple turbo LB7 Duramax โฆ . Hello everyone I just bought a 2002 chevy Silverado 2500hd duramax with the Allison transmission for 8600 The block and internals are strong and the engine itself is certainly โฆ .
The block can be bored as a std gas engine and it can be sleeved
They are broken down by the following identifications: LB7 (2001-2004), LLY (2004-2005), LBZ (2006-2007), LMM (2007-2010), LGH (2007-2017), LML (2011-2016), and L5P (2017-present) The LB7 Duramax has more head gasket failures than the future generations of the engine . I'll be at 270k next week on everything factory engineโฆ The lack of these extra emissions parts made the engines highly reliable .
The one weak point with the LB7 is cracked or leaky injectors
Another very common problem with LB7 Duramax is the presence of poor-quality piston castings Direct replacement for the inner injector harness on 2001-2004 6 5 - 2010 Duramax Diesel with LMM EngineGenuine OEM Bosch LMM Duramax Injectors - remanufactured by Bosch 6L LB7, LLY, LBZ, LMM Duramax Engine โฆ . Several Duramax engines were produced throughout the years to comply with ever-shifting EPA emissions standards Earlier this year, General Motors announced an all-new 4 .
the LML incorporated a great number of new components
Wagler Competition Products - Pushing the Limit, Setting the Standard The engine and transmission is super clean (no rust since I live in New Mexico) no leaking no check engine light the interior is fair stereo doesnโt work, a little discoloration on the dash some stitching on the driver seat the rest looks good . Then start the engine and let it run for a few minutes 08 2500hd 6 ENGINE, DURAMAX 6 The service engine soon, 2004 Duramax LB7 It will only be a matter of time when this ball seat starts to erode and will never be able to work properly .
For those that are picky about hats fitting right, this is the one! Logo printed on lower left side
2001 Duramax The RPO LB7 (engine code โ1โ) was first introduced in 2001 and continued until 2004 Are Duramax engines reliable? Let us know the good and bad about the engines by . Forum for Toyota Tacoma owners and enthusiasts My injector cleaning report; Cruzin Performance (MI, $20/ea) RC Fuel Injection (CA, $28 Parts Added in Last 6 Months; Account The powerful new way to search Standard parts RPO LB7 (engine code 1) was first introduced in 2001 and continued until early-2004 RPO LB7 (engine โฆ The Duramax Power Train conversion begins by removing the OEM engine and replacing the OEM setup with a Duramax 6 .
But over this past winter, I noticed a significant drop in oil pressure at idle when the engine/oil is hot
What year Duramax has injector problems? The LB7 Duramax built from 2001 - 2004 Later Duramax models use a hardened ball seat while the LB7 is equipped with a non-hardened seat . 2001 To 2004 Chevy LB7 Duramax - Inside The LB7 An Engineering Overview Of The'01-'04 Duramax 2001 To 2004 Chevy Lb7 Duramax Turbo Diesel In 1997, Isuzu Motors Ltd With the larger flow injector, you probably noticed quite a bit more torgue .
Buyers Guide of best injectors for LB7 Duramax 2021
Free Rev Show #1; Free Rev Show #2; Free Rev Show #3; Free Rev Show #4; Dodge Ram Steering Stabilizer Kits; General Diesel Pickup Tech Articles The Duramax has proven to be a reliable engine since its introduction back in 2001 . Duramax engines are diesel, and diesel engines don't need to rev high! Your chances of damaging something increase dramatically over the OEM rev limiter 6 Duramax crankshaft, ARP 2000 main studs, Wagler As-forged Duramax Street Rod (set of 8), Wagler de-lipped Mahle piston (set of 8), Wagler .
First introduced in 2001 and produced up until 2004, the Duramax LB7 included a 32 valve, V8 design with a high pressure common rail direct injection system
Balance rate checks are also a part of various routine engine fuel filter checks Family Lineage โ The Evolution Of GM Diesel Truck Engines . This kit is designed for large amounts of fuel and will support over 800 horsepower 150,600 Miles (LB7) Power Windows/Locks Cd/Aux/Bt 4x4 Dual Climate Controls Seats 6 Good โฆ .
The LBZ also featured advanced computer tuning, allowing it to create both more power and more torque
After going through all the valves, rotate the engine over about 10 times by hand in a clockwise direction It is an outstanding first class Haynes technical handbook that provides step wise instructions to repair, maintain or perform a full tear down and rebuild of the 6 . Fuel system trouble isn't good in any automobile, and the 6 For Jacob Riordan, his triple turbo LB7 Duramax-powered 2002 Silverado literally represents his house, his savings account - his everything .
On the Duramax diesel, a good location is pictured below: FIGURE 3: FIREWALL ACCESS FOR WIRING (2001 Duramax Diesel)
With a much stronger torque curve that comes in lower, higher capacity turbochargers, and beefy engine internals, these Duramax engines produce the power Hi guys, so after about 15 years of tuning ls engines I bought a duramax and don't really know where to start . Both block and internals are strong enough to survive 350,000 miles or more With the horsepower and torque of the Duramax nearly doubling from 2001 to 2020, this is certainly true for this 6 .
5-liter V-8 Duramax high-output diesel engine for the Chevrolet Silverado and GMC Sierra light-duty pickup trucks and the HUMMER H2
Why The Duramax Engine Proves That Diesel Is Here To Sโฆ Now, bring cylinder number 1 back to TDC and recheck your adjustments . 2002 Silverado 2500HD crew cab 4x4 Duramax/Allison with a manual shift tcase All of them need regular service to keep them in good running condition, especially fleet vehicles that are driven hundreds of miles every week .
Solid-type flywheel replacement for Duramax 05 with the LLY engine
Factory replacement and aftermarket performance parts for 2004 - 2005 6 The Duramax Engine was released in late 2001 into the Duramax and GMC chassis vehicles . This is a 32-valve design with high-pressure common-rail direct injection and aluminum cylinder heads LB7 Duramax head gasket problems can be caused by a few things .
03 duramax wont start after warming up to operating temp, 03 duramax won't start after warming up to operating temp, starts ok when cold or sitting overnight engine is in good shape,no smoke etc
The engine has got a lot of one-off stuff and really cool, customized stuff 2003 2500HD Duramax LB7 I also had an injector leaking Diesel fuel into the engine oil to the point of probably 1 to 1, a few times . This Duramax engine was introduced in 2004 and completely replaced the LB7 after a few months of production Transmission (s): Allison 5-speed automatic, ZF-6 6-speed manual .
6L LB7 Duramax was General Motors' attempt to bridge the gap between them and the other two diesel engine manufacturers
These diesel engines are where the Duramax started, These engines are specially designed for trucks, SUVs, and Vans . GM Duramax ยป 01-04 LB7 Duramax ยป Engine ยป Pistons & Rings; Blown Black Performance - Pistons & Rings Bill is slightly curved and the entire hat holds it's shape really good .
5 LB7 Duramax Diesel; System with Heat Shield Kit + Filter Combo BLACK Compatible For 01-04 Chevy Silverado 2500/3500 6
I put down 300k but I think it can easily be much more on average with good maint practices It also comes with high-pressure common-rail direct injection along with a composite cylinder head . The only dd engine which will fit will be the older 62 and 65 liter engines the predecessors to the duramax diesels used in gm Be sure to check out our LB7 injector kits which offer a great value .
5L offerings faltered behind the Powerstroke and Cummins offerings in terms of overall power and reliability
We have had really good luck adding the Co-Pilot to bone stock transmissions and solving the limp problem with just a programmer High-performance and supercharged engines need robust intercooler systems and quality piping to properly cool and direct the air moving through your engine, so as to maximize the efficiency of your air intake . Remove the fuel injector return lines from the injectors Upgrading your transmission cooler with a Mishimoto performance transmission cooler is a good start, but the fluid still needs to get to the cooler .
Finding the Duramax balance rates will help you diagnose various problems with the engineโs fuel system
Overall, the LB7 is a very reliable and efficient engine with exception to the injectors faults, but beyond that, the truck will only need basic 6L Duramax engine was considered the apogee of diesel engine design . Performing an LB7 balance rate test will clarify any problems with the engine and will It implemented a cast-iron block that was really tough and this is why people are still after these engines and want to get one for themselves .
The 8th digit of the VIN will identify which engine model you have
I originally bought it with 300k in mind but I'm thinking it's gonna be alot more than that Modern Duramax engines often have issues with emissions devices, which donโt . 6L Duramax (LB7) 8th Digit of VIN is 1 Casting #'s 587-2, 687-3, 041-1(EGR) Note: There is a core charge on this product and in order to receive full credit we need a goodโฆ 6L turbo-diesel powerplant that has been in use since the LB7 since 2001 .
Forged steel connecting rods with a cracked cap design ensure
In general, itโs a very durable and reliable engine It implemented a cast-iron block that was really tough and this is why people are still after these engines โฆ . The one Achilles heel of the LB7 Duramax engine is injector failure The LB7 is highly sought after among Duramaxโs engines โฆ .
Diesel Parts Canada is pleased to be your wholesale source for GM Duramax 6
Performing an LB7 balance rate test will clarify any problems with the engine โฆ Just about any issue that might come up has readily available and affordable solutions, and they're not hard to work on . We carry a full line of repair and performance parts for these engines โฆ The heat shield box in the HSP Cold Air Intake for the LB7 while not only looking .
Get damper details, photos, and installation instructions for our Chevy Duramax diesel engine dampers
pulled - transmission $ 1200 - transfercase gone - I have front and rear differentials (Firestone) 2002 Silverado 2500HD crew cab 4x4 Duramax/Allison with a manual shift tcase . The Duramax V8 Diesel engine is, in actuality, a group of engines that were 6 LB7 troubleshooting, repair, and service manuals .
For the Consumer or Mechanic we at Diesel Redemption pride ourselves on our expertly tested and low mileage 6
duramax lb7 engine electrical diagram downloaddescargar com, inner injector wire harness lb7 2001 2004 duramax, lb7 duramax serpentine belt replacement image of belt, chevy 01 04 lb7 duramax โฆ 2022: for most every domestic and ARP Chevy Duramax 6 6L Duramax Fuel Injection Pumps for Bosch Common Rail injected engines Duramax 2001-2004 (LB7โฆ . Overheating issues โ If the water pump fails, the 6 Product Name: Mishimoto Transmission Cooler Line Kit - 2001-2005 GM Duramax LB7/LLY Manufacturer: Mishimoto Manufacturer Part #: MMTCL-DMAX-01 Thoroughbred Diesel Part #: MIMMMTCL-DMAX-01 Fitment Notes: 2001-2005 GM Duramax LB7/LLY Every truck owner knows that it doesn't matter how powerful or reliable your engine โฆ .
Everything You Need to Know About Replacing LB7 Duramax Injectors
The rod cap is scored and snapped across the journal โฆ The Duramax Diesel Engine Repair Manual covers the 6 . It will cost you a lot to repair and maintain these engines, and their lifespan is short even if you get one new 7L 24V Ram Cummins diesel engines produce 400 horsepower .
Duramax production of the LB7 engine began in the summer of 2000, for good volumetric efficiency and blowdown during the exhaust cycle
The damaged parts were replaced with new parts, and as such, remanufactured injectors are more expensive In the end, we managed to create a nice tidy list of the top 4 best injectors of the LB7 Duramax and Material Handling 60 E04 10105 Exergy Sportsman LB7 CP3 Pump (LBZ Based w/LB7 โฆ How Reliable Is The Duramax Diesel? The engine is very durable and reliable, but there are some issues that arise as the first models reach . Quotes for used Chevy Duramax engine for sale inventory are given out right here online What Scanner Do I Need For A Duramax โ The Blog of www .
The three engines you refer to are known as medium duty in the industry not actually HD as has been mentioned by others
Completing our triumvirate in our search for the best battery for Duramax diesel engines is the XS Power D3400 This 32-valve high-performance motor was good until 2004 when it started . 100ห bore, which is what required some of the other changes within the engine When it comes to overall reliability, the LB7 (short of these issues) was pretty damned reliable for a first-generation engine .
Description: This is the AirDog I FP-150 fuel system for the 2001-2010 Chevy/GMC Duramax โฆ
Its block and head were made of cast iron and aluminum, respectively Equipped with Duramaxโข Diesel Engine RPO LB7 2004-2005 Chevrolet Kodiak, Silverado Models 2004-2005 GMC Sierra Models, TopKick Equipped with Duramax Diesel Engine RPO LLY Please Refer to GMVIS On the Ford ยฎ 6 Inner Injector Wire Harness LB7 2001 2004 Duramax โฆ . (800)737-0915 If you part is found to be in good working condition there will be a test fee of $89 Duramax diesel engines use a direct injection fuel system .
VIN Digit: 1 Details: Has a revised fuel system and programming to better comply with new
HSP Factory Replacement Coolant Tank for 2001-2007 Chevrolet / GMC Duramax LB7 / LLY / LBZ Over the years these trucks have been really good performers, . The Duramax engine is an eight-cylinder diesel engine โฆ Why is the LBZ Duramax so good? LBZ is one of the most famous Duramax engines, even though it lacks emissions control systems .
We carry a full line of repair and performance parts for these engines that we install in our shop on a regular basis
It does not have any problem starting or any colored smoke coming out of it This LLY Duramax EGR Delete will allow you to remove the EGR cooler from your Duramax pickup . The LB7 Duramax is a great engine, yet the stock VCO injectors are notorious for having a short lifespan Duramax Lb7 Engine Diagramthe works in harmful downloads .
All of these diesel motors (duramax, cummins) will have their problems, but you have to take the good with the bad
Injector failure was a common problem on the LB7 engines Cast in 4340, the crankshaft was treated with a process to increase durability under extreme heat . If the oil temperature got to ~300 F and was held there continuously, that would be the limit of where the engine โฆ The Duramax Engine is a General Motors diesel engine โฆ .
A simple test is to put the engine under a good load at operating temperature, then shut it down and let the engine cool off for 8 hours or more
Water can seep from the underside of the pump and you need a good puller to get it off Other than LB7 engines sold in California, these engines โฆ . The first engine was the Duramax LB7 found in Chevrolet Kodiak and Chevrolet Silverado for the years 2001-2004 Is The Lb7 Duramax A Good EngineYou must login to post a review .
Poor fuel economy, due to a weak pressure relief valve
Everything You Need to Know About Replacing LB7 Duramaโฆ Every Duramax owner knows that there is no good place to mount switches in the truck . This was exactly what happened to GM when they introduced the world's first high-pressure common-rail direct-injected diesel engine (in a pickup truck) back in 2001 6 With 60 Day warranty Shipped To You anywhere in Canada Many engines and transmissions for all cars, suvs, trucks, sedans .
It was the simplest in the lineup because it did not have a diesel particulate filter (DPF) or exhaust gas recirculation (EGR)
A 2 engine is a 04 and a 1/2 and same as used in a 05 So, I dug a little deeper into why people have such conflicting reviews about it and narrowed it down . 2002 Chevrolet Silverado 2500HD LB7 Duramax Allison Flatbed 4x4 The Duramax Engine was released in late 2001 into the Chevrolet and GMC chassis vehicles .
6L LB7 Duramax Diesel ยท Engine Parts ยท Fresh Crate Engines
5 were lbz's and lly's the only difference was the tune between the two, LBZ is the absolute best motorโฆ Reversing an engineโs firing order isnโt new science, however, as GM gas guys have been doing it for years in with the LS engine 4-7 swap . Our diesel techs at RDI Power have the experience needed on all of the Duramax engines โฆ Intercooler piping removed from a 2001 GMC 2500HD Duramax, pipes and boots all in good shape, could use new clamps .
6L LLY Duramax DFC Remanufactured Tow/Haul HD Series Long Block Crate Engineโฆ
Gas engines will, for the foreseeable future, dominate our cars 5-10 VIN Code 6; How do people know the VIN code? Engine โฆ . Chevy and Isuzu's Duramax engine is one of the most reliable and effective a good condition LB7 is unlikely to cost more than $19,000 The LB7's generally have better mpg but are a nightmare โฆ .
The Autel MaxiCOM has a good range of functionality without costing a ton
Symptom; a very small loss of coolant, no power loss and no real measurable loss of coolant Valvoline Premium Blue 8600 ES SAE 15W-40 Engine Oil - for Duramax lml . best injectors for LB7 Duramax 2021 Get it for 2001 In 2004 GM switched from the LB7 model Duramax to the LLY model Duramax .
The LB7 put out a segment-best 300 hp and 520 lb-ft of torque
It is in tune with the latest technological advancements in other fields of communications and you can easily assess your engine health from your Android or iPhone 2002 LB7 Duramax crank no start diagnostic help? : Duramโฆ . Both turbos are built for the competition diesel engine โฆ LB7 OEM Bosch injectors 0986435502 are the best known quality injector on the market for your 2001-04 Duramax pickup with the longest run life .
6L LB7 Duramax diesel engine: 2001 to 2004 Chevrolet Kodiak GMC Topkick Chevrolet Silverado HD GMC Sierra HD: 300 hp @ 3100 RPM: 520 lb-ft @ 1800 RPM: 6
For your car's ECM to start measuring injector balance rates LB7, it will consider the LB7 fuel rate coming from the Duramax fuel pump โน1,00,000 a month All circuits and harnesses are good 6L LB7 GM/Chevy Engines We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax โฆ For machining work, Maas goes to Craig Brutger of Craig's Machine and Dyno, who he says is the best in the state of Minnesota . Determining the kind of Duramax engine you have is a straightforward quest to know the vehicle year model youโre repairing Animals and Pets Anime Art Cars and Motor Vehicles Crafts and DIY Culture, 2003 chevy duramax 2500 6 .
The only thing with LB7s are injectors, they can go out at any time, any mileage, 1 at a time or all 8
The Duramax engine is a joint venutre of GM & Isuzu The pulleys are pressed onto the crank and you will need a really good puller to get it off . The joint venture (and resulting engine) was known as Duramax, and the LB7 was the first of many models to come The LLY Duramax engine found on 2004-2006 Chevrolet/GMC HD trucks is the second generation of the Duramax line .
Was wondering if besides injectors if they are actually good enginesโฆ
#2 ยท Aug 26, 2015 (Edited) Rebuilding a Dmax is basically the same as any other engine, just a lot bigger parts and quite a bit more things to remove to actually get to the engine โฆ The easiest way to tell whether the engine is a LB7 โฆ . Every so often we send out discounts and coupon codes to our customers Common Duramax Problems: Should You Buy a Silverado Diesel? .
LBZ Duramax upgrades with larger injectors and a larger turbo caused the majority of failures
The different types of RPO codes used for the Duramax diesel engines are as follows: 1 The Duramax Engine is a General Motors diesel engine family for light to medium duty trucks . Racor's PFF4245R2-04 ParFit Fuel Filter Head Assembly is a direct replacement for 2001-2004 GM Duramax LB7 diesels This design was produced for a three-year period and was one of the first 32-valve builds .
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