Best LB7 Injectors (Review) in 2021 – Top 7 Picks!

Finding a good lb7 injector is always a hassle, so are you also facing the problem? Well, you know cheap-quality components give us more trouble. Indeed, high-quality and effective injectors is a rare piece in the market, it will take your time to find them.

Thus, to prevent you from getting bad injectors and save your time, we have wisely chosen some best lb7 injectors. These will give you the durable and functional usage that you are paying for! So, let’s dig into the content.

What Is An Lb7 Injector?

The lb injector is a mechanical device that has an internal valve or fuel filter. These valves can be either push rods or rotary vane, and they are located inside the fuel rail (which is connected to the engine). Injectors open when the flow of fuel goes through the injector or fuel filter head at high rates of pressure and close when there’s not enough unburned fuel in contact with it.

When this happens, power levels decrease due to less air being able to enter the cylinders. This will cause some engines to run leaner than others so you need to adjust accordingly – meaning richer mixtures for more economical performance but lower emissions, which means poorer economy; while leaner mixtures may give better efficiency but worse CO emission control and higher NOx emissions on diesel engine injection systems.

The lb/h is the same as in liters per hour (LPH). For example, a fuel injector with an lb/hr of 400 means that it can supply up to 400 pounds force per hour or 800 kilograms force every second. This may be necessary for high-performance engines which have greater demands for air and fuel delivery rates.

Our Top Picks
Bosch Automotive 0445120008 LB7

Bosch Automotive 0445120008 LB7

  • Made with durable metal and hardened chrome-plated ball seats to prevent rusting and corrosion of internal parts, respectively
  • It is equipped with necessary installation accessories such as O-rings and copper crush washers to suit well
  • Made with more caution than before to get adaptable the lb7 engines and prevent accidents
  • Has a new version of injector body correcting crack issue to prevents cracks, and in return, it will prevent leakage of oil.

Why Are Lb7 Injectors So Expensive?

An lb7 injector cost can range from $300 to $600. There are many factors that go into determining this price, such as fuel efficiency, vehicle safety, and performance needs among others. But considering the lb/h of lb injectors, one would think that the price is much lower.

In this case, it’s important to remember that an lb7 injector has a higher level of performance than LPH, which means that you can get more pound-force per hour in comparison with liters per hour. This will lead to an increase in cost for the consumer due to the product having higher quality and better craftsmanship as well as increased efficiency.

How We Chose The Products

A high-quality and effective injection pump is a rare piece in the market and finding a good lb7 injector is always a hassle. So are you also facing the problem?
Thus, to prevent you from getting bad injectors and save your time, our team of qualified researchers has wisely chosen the top 7 definite and premium-quality lb7 injectors. They compared the product’s features to the most recent feedback posted by actual users. Besides, one of their tasks was to determine the product’s success and ratings. As a result, what you’re about to hear is the outcome of 500 hours of intensive study and application.

Best lb7 injectors: Quick Summary

Each of the items on this lineup include a range of interesting characteristics and are of high quality. With so much effort our team has put in to find the best injectors for you all to meet up your likings. Here are few of the best selling injectors that will not disappoint you.

Table of Content:

In the article, you will come across some of the very definite and premium-quality lb7 injectors and we have kept it informative along with a buying guide. Choose & jump right to your desired segment from the table of content below:

Quick Comparison Chart For LB7 Injectors:

To keep it simple and easy, we have not picked more than five lb7 injectors to review.

Image Product Technical Details Price
Best Bosch Auto Part
Bosch 0986435502 Auto Part
Bosch 0986435502 Auto Part
  • Material: Good Quality Metal
  • Design: Slim and Lightweight
  • OE specifications: Passed With 100% accuracy
  • Item Weight: 1.42 pounds
  • Product Dimensions: 9.7 x 2.8 x 2.6 inches
Check Price On Amazon
Best Bosch Automotive Genuine Replacement Injector
Bosch Automotive 0445120008 LB7
Bosch Automotive 0445120008 LB7
  • Material: Durable Metal
  • Item Weight: 1.5 pounds
  • Position: Left
  • Core Charge Required: No
  • Package Dimensions: 9.9 x 2.8 x 2.8 inches

 

Check Price On Amazon
Best Bostech Remanufactured Fuel Injector
Bostech DE651 Remanufactured Fuel Injector
Bostech DE651 Remanufactured Fuel Injector
  • Material: Durable Metal
  • O-rings and Seals: pre installed
  • Great Performance: Yes
  • Item Weight: 1.45 pounds
  • Package Dimensions: 6.94 x 4.39 x 1.86 inches
Check Price On Amazon
Best Duramax Diesel Injector
2001-2004 CHEVY/GMC DURAMAX LB7 6.6L DIESEL INJECTOR
2001-2004 CHEVY/GMC DURAMAX LB7 6.6L DIESEL INJECTOR
  • Material: Durable, Heavy-Duty Materials
  • Construction and Design: OE examined
  • Made For: Compatibility, Safe And Better Output
  • Item Weight: 2 pounds
  • Package Dimensions: 12 x 9 x 3 inches
Check Price On Amazon
Best Reman Auto Electronics Duramax Fuel Injector
Reman Auto Electronics GM 6.6L Duramax Fuel Injector
Reman Auto Electronics GM 6.6L Duramax Fuel Injector
  • Material: Durable Metal
  • Durability and Safety: Tested
  • O-rings: Pre-Installed 
  • Control valves: Flow tested 100%
  • Nozzles:  Flow tested 100%
Check Price On Amazon
Best XI CAI JIE Remanufactured Genuine Replacement Injector
XI CAI JIE Remanufactured
XI CAI JIE Remanufactured
  • Manufacturer: XI CAI JIE
  • Is Discontinued By Manufacturer: No
  • Manufacturer Part Number: 7680668369881
  • Dimensions: 6.6L x 4.0W x 1.6H
Check Price On Amazon
Best Diesel Reman Injector
Sinister Diesel Reman Injector
Sinister Diesel Reman Injector
  • Item Weight: 3.5 pounds
  • Package Dimensions: 8 x 6 x 6 inches
  • Item model number: SD-732-502
  • Is Discontinued By Manufacturer: No
  • Manufacturer Part Number: SD-732-502
Check Price On Amazon

7 Best Lb7 Injectors Reviews 2021

Below is the detailed review of the 5 best lb7 injectors you have been looking for. We hope you get to meet the one you are here for. So, keep on reading the article.

best-lb7-injectors

1. Best Bosch Auto Part: Bosch 0986435502 Auto Part

Bosch 0986435502 Auto Part

Bosch brings innovative manufacturing of diesel fuel injection systems for cars and trucks for a long time. You already know the efficacy of performance Bosch puts into its products. Similarly, this lb7 injector is no exception. You will love this one from the best lb7 bosch injectors.

This lb7 injector possesses a safe performance, with its upgraded engine. Moreover, they give limitless vehicle performance with enough oil to maintain. In addition, this hardcore metal made injector prevents any cracking or leaking.

Moreover, the injector is lightweight and slim to fit even in the narrow area of the engine. This injector comes with OE specifications testing and specification. The wearable parts are replaceable with original Bosch equipment, and you will get an unlimited mileage warranty on this piece.

Technical Details and Specifications:

  • Colour: Black
  • Assembled dimensions: 9.7L x 2.8W x 2.6H inches
  • Item weight: 1.42 pounds

Bosch 0986435502 Features:

  • Made with good quality metal for a long time, crack and leak-free performance
  • Has a slim and lightweight design making it easier for you to fit in the narrow injector box of your vehicle
  • Tested using all the OE specifications and passed with 100% accuracy for a break free performance
  • They have perfect fit, form, and function as OE injectors to provide the best possible output
Pros
  • It is durable and long-lasting
  • It does not cracks or leaks
  • Has a great fit body for every kind of vehicle
  • It comes with enough oil to give your vehicle foolproof performance
Cons
  • Installation of this injector is hard work and requires a professional hand

Nonetheless, if you opt for your safety over anything, then undoubtedly go for this injector by Bosch. You and your vehicle’s engine both won’t be deceived by this injector.

2. Best Bosch Automotive Genuine Replacement Injector: Bosch Automotive 0445120008 LB7 Genuine Replacement Injector

Bosch Automotive 0445120008 LB7 Genuine Replacement Injector

A quality injector set does not come for free, obviously, you have to search for it. But let us ease up your job by introducing you to Bosch Automotive 0445120008 LB7 Genuine Replacement Injector Set. By inputting this in your vehicle, you will get rid of all the worries of leakage, combustion, cracking. You can consider it from the best lb7 performance injectors available in the stores.

Though looking like steel, this lb7 has high-grade metal to solve most problems. There are chrome-plated ball seats for extra support while installing, and protection of internal parts from corrosion. You will find the injector design as slim and lightweight that is a perfect shape to suit every type of vehicle.

Installing an injector was never easy unless Bosch came up with this. All the necessary accessories such as crush washers and O-rings come with the package for the most secure installment. This version is way more upgraded and has compensated for the previous one’s faults and shortcomings. As we can consider it as one of the best lb7 injectors available in the market and suit our vehicle.

Technical Details and Specifications:

  • Colour: Brown
  • Assembled dimensions: 9.9L x 2.8W x 2.8H inches
  • Item weight: 1.5 Pounds

Bosch Automotive Features:

  • Made with durable metal and hardened chrome-plated ball seats to prevent rusting and corrosion of internal parts, respectively
  • It is equipped with necessary installation accessories such as O-rings and copper crush washers to suit well
  • Made with more caution than before to get adaptable the lb7 engines and prevent accidents
  • Has a new version of injector body correcting crack issue to prevents cracks, and in return, it will prevent leakage of oil
Pros
  • Has a slim and lightweight design
  • Made durably enough to last long
  • Do not leak or cracks in the longest time
  • Internal parts remain corrosion-proof due to the chrome-plated ball seat
  • Has an easy installation process
Cons
  • The price is too high.

Undoubtedly, this lb7 injector truly matches the words ‘you get what you paid for.’ Even, if you invest in this lb7 Bosch injector you won’t regret it for a second.

3. Best Bostech Remanufactured Fuel Injector: Bostech DE651 Remanufactured Fuel Injector

Bostech DE651 Remanufactured Fuel Injector

Can’t you find the perfect fuel injector for your 2001-2004 GM 6.6L Duramax LB7? Then you might not try this one from Bostech. This is a complete remanufactured fuel injector that has all premium components. Thus, making it durable, leak-proof and a performance booster for your engine. It may not be from the lb7 injectors replacement products.

Even though it comes disassembled, the injector is effortless to place in. It has pre-installed O-rings and new seals in the upgraded version for your convenience of installation. All the components come with proper examination and polishing for safer and better performance in the long run.

Additionally, the injector has a precise finish and inspected after assembling with OE quality. There are 13 months of unlimited mileage warranty to the injector for OE parts replacement. Moreover, it has 12,000 miles warranty for a year from the beginning.  It is from the high-performance lb7 injectors from around you.

Technical Details and Specifications:

  • Colour: Brown
  • Assembled dimensions: 6.94L x 4.39W x 1.86H inches
  • Item weight: 1.45 pounds

Bostech DE651 Features:

  • Has pre installed O-rings and seals to help you ease out with the installation process
  • Has a year of warranty for 12,000 miles performance, which gives great performance confidence
  • OE performance and durability tested for the longest time of use
  • Has 13 months of unlimited mileage warranty to provide customer support at the initial phase
Pros
  • Provides ultimate safe performance
  • Highly examined both disassembled and assembled
  • Made with durability for increased life-span
  • Has OE quality finish
Cons
  • Limited warranty coverage

Hence, do not hesitate to buy this Bostech fuel injector for your lb7 if you are looking for OE performance in every phase.

4. Best Duramax Diesel Injector: 2001-2004 CHEVY/GMC DURAMAX LB7 6.6L DIESEL INJECTOR

2001-2004 CHEVY/GMC DURAMAX LB7 6.6L DIESEL INJECTOR

It is manufactured with the highest possible form by correcting all the flaws of the previous version. It is really awesome. In addition, it is durable when made for which there is no cracking or leaking as a result. For a long-lasting performance with the least maintenance, this injector is worth using in a vehicle.

It serves the engine with limitless oil to maintain its non-stop performance all the time. However, this injector is a bit heavier than the previous ones, for which its quality remains intact. It is self preventive of any external harshness or contaminants.

Installing this injector is effortless due to the presence of an O-seal ring that comes in multiple colors. These awesome diesel fuel injection systems come with a year warranty to give you hassle-free service. Moreover, You don’t have to spend extra on the replacement parts as this injection is highly compatible with other injection systems. It is a successful lb7 injector install kit.

Technical Details and Specifications:

  • Colour: Silver
  • Assembled dimensions: 12L x 9W x 3H inches
  • Item weight: 2 pounds

2001-2004 CHEVY Features:

  • OE examined construction and design, made for compatibility, safe and better output
  • Has o-ring for better and effortless installment in a few minutes
  • Provides unlimited oil to the engine for nonstop performance without a break
  • Made with durable, heavy-duty materials to increase the usage of the injection
Pros
  • Has a durable construction
  • Is highly compatible and versatile
  • No major issues of corrosion, cracking or leaking
  • Increases the engine’s performance
  • Has one year of backup warranty
Cons
  • It is pricey due to heavy buildup

Nonetheless, if you want to have the best quality lb7 injector without looking at the price, then this Duramax injector is worth having.

5. Best Reman Auto Electronics Duramax Fuel Injector: Reman Auto Electronics GM 6.6L Duramax Fuel Injector

Reman Auto Electronics GM 6.6L Duramax Fuel Injector

Last but not the least, this fuel injector from REMAN is going to change your car’s engine performance. Its continuous and controlled flow of oil gives the engine an extra boost to run for long. Moreover, the nozzle ensures it doesn’t drip or spill the oil anywhere else than the engine.

It has pre-installed O-rings that make the installation of the injector fast, easy, and secure. It is OE examined and its body is made durable to prevent any cracks and leaks of oil. Even this durability is made to last the injector longer.

The body of the injector is made to prevent any rust and dirt. It also makes the injector requiring no or the least maintenance. Also, you can have a long, safe, and secure car drive if you install Reman’s fuel injector in your vehicle. The manufacturer on the other hand, claims to refund $150 dollars for the core flaw similar to lb7 sac injectors.

Technical Details and Specifications:

  • Colour: Silver
  • Assembled dimensions: 6.6L x 4.0W x 1.6H inches
  • Item weight: 1.45 pounds

Reman Auto Electronics Features:

  • Has a strong body and handy nozzle for the long term and convenient usage
  • Provides foolproof performance to the engine without stopping
  • The nozzle prevents dripping of oil and ensures continuous oil flow to the engine to make it run
  • It is tested in terms of durability and safety features for longer use
Pros
  • It’s a highly efficient and versatile injector
  • Does not catch any rust or corrosion
  • The nozzle is very convenient
  • Has a durable, yet lightweight construction
  • Highly tested and examined in every step
  • Easy to install with pre-installed O-rings
Cons
  • Does not have a warranty period

6. Best XI CAI JIE Remanufactured Genuine Replacement Injector: XI CAI JIE Remanufactured

XI CAI JIE Remanufactured

According to some review articles, it is a product that merits the focus. Ha, let’s take a closer look at how XI CAI JIE ended up in this post. They guarantee that every unit has been thoroughly tested to ensure that it will be suitable for your needs. The ‘XI CAI JIE’ brand fuel injector was bought for the GM 6.6L LB7 Duramax from 2001 to 2004. This genuine fuel injector’s desirable function has been enhanced at a high application level.

The injector is tested with a 114 percent detection rate until shipment. This ‘XI CAI JIE Replacement Injector’ is said to be of exceptional quality by the maker. You’ll be able to use it effectively. You will be pleased by the product’s warranty duration, which is expected to be 15 years. Keep the product’s consistency in consideration. It has been refurbished, but it is guaranteed to be in proper working order.

This is a genuine OEM fuel injector that has been remanufactured in a ‘Refurbished and High Quality’ condition. At the state-of-the-art plant, you will have the legitimate opportunity to replace this ‘XI CAI JIE’ injector.

Technical Specifications:

  • Manufacturer: XI CAI JIE
  • Is Discontinued By Manufacturer: No
  • Manufacturer Part Number: 7680668369881
  • Dimensions: 6.6L x 4.0W x 1.6H

XI CAI JIE Remanufactured Features:

  • XI CAI JIE injectors fits for 2001-2004.5 GM 6.6L LB7 Duramax
  • The product has high and strict quality control standards, 114% detection before delivery.
  • XI CAI JIE injector has a superior quality and so it is easy to operate
  • The injectors take about 5-10 days for expedited delivery. Standard delivery is about 34 days which is quite efficient.
  • The after-sale service which is the warranty period of our products is 15 years. There are any problems during the transaction and receiving the goods. You can contact u
Pros
  • Improved in superior quality
  • 15 years warranty period
  • Easy to operate
  • New addition
  • Has high applications level
  • Exact OEM specifications
  • Reinforced with heavy-duty steel
  • No carbon build-up and cracking
Cons
  • Not many reviews

7. Best Diesel Reman Injector: Sinister Diesel Reman Injector

Sinister Diesel Reman Injector

Injectors are an excellent substitute injector for those seeking higher efficiency at a low cost. This diesel engine injector systems is established to achieve or exceed OEM specifications and functions as well as or superior to the original injector.

Sinister Diesel sells high-quality & original fuel injectors that will resurrect your fuel distribution system as well as provide months of convenient platform for a fraction of the price of OE dealerships. When replacing injectors, it’s a good idea to redesign the high-pressure fuel line and modify the filtration system.

Creative constructed technology is the name of this manufacturer’s original injector. Furthermore, it ensures that the vehicle’s ride is of the highest quality. You will not be dissatisfied with the installation process. It has a ‘Direct Fit’ consistency that ensures a great fit and a higher quality of life.

Technical Specifications:

  • Item Weight: 3.5 pounds
  • Package Dimensions: 8 x 6 x 6 inches
  • Item model number: SD-732-502
  • Is Discontinued By Manufacturer: No
  • Manufacturer Part Number: SD-732-502

Sinister Diesel Reman Injector Features:

  • Sinister Diesel’s remanufactured injectors will help you regain missing horsepower and torque.
  • The Injector Inlet Tube arrives with a repair assurance against faults.
  • The Sinister Diesel Stock Reman Injectors has longer brake life and performance.
Pros
  • Innovative engineering,
  • extensive field testing.
  • Exceptional quality control.
  • Provides longer break life and performance.
  • Easy Installation
  • Direct Fit, Perfect Replacement.
  • Offering the quality, reliability, and durability
Cons
  • Current not available
  • No reviews

What To Consider Before Buying An Best lb7 Injectors

Nevertheless, an injector is a very sensitive thing to buy, as it can make or break your car’s performance. Therefore, there should not be any less effort on your part to pick the right one. To help you out, we will point out a few things, which you must be looking for in the best lb7 injectors you want to buy.

What To Consider Before Buying An Best lb7 Injectors

Durability:

If the injector is durable, it will solve half of the injector issue that you might face. So you can imagine how crucial an injector’s durability is to determine the performance. A durable injector comes with necessary technical features and manufactured with excellent and durable materials.

So, the durable injector won’t crack and leak, which means the engine will be safe. And, due to the safety issues and no more trouble, there are fewer chances to take any accident in place. Materials such as robust metals and stainless steel are more prominent choices when it comes to injectors.

Easy installation:

With an easy installation process, you can have great control over the injector. Once in a while, you can check the injector for quick supervision by disassembling and installing again by yourself, instead of waiting for months to go to a mechanic.

Maintenance:

Why will you need maintenance? It depends on the quality of the injector. As worse the quality, as much maintenance needed. If it is durable and passed through OE examination, then it won’t need much maintenance. OE approved injector automatically means it has passed through the highest quality test.

Components:

Well, it is not mandatory for your injector to have all kinds of components such as chrome plated, or O-rings. But, these come with proper maintenance and high efficacy. Therefore, if you want to invest in a powerhouse injector for your vehicle’s engine, then buy and invest a bit more on the one with these components.

How To Install And Remove LB7 Fuel Injectors

Working with anything related to automobiles frightens off people, thus they choose not to take the risk. However, if you are someone looking forward to doing something like installing and removing LB7 fuel injectors, then we are here for you!

How to Install and Remove LB7 Fuel Injectors

To make it explicit for you, we will show you step by step guides for both installation and removal of fuel injectors to and from your vehicles.

Process for installing LB7 fuel injectors:

  • Open the car front and unwire the battery in the first place
  • Then, remove the AC condenser and place it somewhere temporarily
  • Next, go to the engine and uncover the fuel injection module cap
  • Now place the injector and attach the necessary plugins
  • Attach the glow-plug harness and the fuel injector keys
  • Next, open the injector return component in the engine
  • Then, close the fuel injector control module

Great! You have placed the injector super fast and easy. Then attach all the wires of the battery, and AC as these were detached.

Process for removing LB7 fuel injectors:

  • Initially, find the coolant and drain it on the drain valve. Collect all the debris in a dustbin.
  • Unwire the battery while the coolant is draining to prevent distortion to your modules
  • Detach the AC condenser and fold it to keep on the passenger side battery, but you don’t have to empty the AC
  • Then, detach the water thermostat and coolant neck
  • Next, you have to uncover the fuel injection control module to work on the injector
  • Now remove the glow plug and fuel line & injector lines
  • Next, remove the keys from the fuel injector control module
  • Next, remove the fuel return component
  • And finally, remove the fuel injectors

However, it may seem like a breeze seeing this breakdown of steps. But we will recommend that you never try it if you are an absolute beginner at automobile functioning. Even, take it to a mechanic, or else you might get confused with the wirings and end up having accidents.

Note: Are you looking for aftermarket car gauges for your car? Read our in-depth article about top aftermarket car gauges reviews.

Frequently Asked Questions

The frequently asked section of the lb7 fuel injectors covers all the informative and necessary answers. Hopefully, it will be helpful and worth a read if you have similar queries.

Is the lb7 a good engine?

Yes, in this world filled with all faulty and cheap engines, LB7 is one of the most trusted engines for years. Still, it has held on to its customers’ expectations and loyalty.

Is LLY better than lb7?

They both are excellent in their own phases. LB7 is known to increase your engine’s power through high RMPs. On the other hand, LLY is meant for a quiet, and smoother performance.

Are LLY and LBZ injectors the same?

Yes, the LLY and LBZ uses the same injectors, but are different from LB7

Is the LBZ the best Duramax?

For its increased performance, durability and compatibility, LBZ is surely considered the best Duramax by the users. The output is unmatched from this injector!

Is LMM or LML better?

LML is considered as the better engine than LMM due to its lowest emission . With LMM, there are problems regarding DEF on all makes. 

Final Thought

Finally, we have discussed a lot on high performance lb7 injector. Since there were not a bunch of them reviewed, so we guess it was easier for you to detect the best lb7 injector for your vehicle.

In expert opinion, the Bosch Automotive 0445120008 LB7 Genuine Replacement Injector is the most recommended one of the five. The durable metal and hardened chrome-plated ball seats were simply matchless to other products & make it truly long-lasting. Also, easy installation & improved design will make it incredibly suitable for usage. However, all five of them are unique in their specification. But this one comes with high-performance, continuous durability, and compatibility.

Best LB7 Injectors (Review) in 2021 – Top 7 Picks! 1

Ramon Chavez

Hello, I am is Ramon Chavez, I’ve been working with tools for almost 10 years. Working with tools for such a long time helped me gather a vast experience on household tools and instruments. I believe that knowledge is like a treasure and I choose to share that treasure with you. You can find reviews and guides for different types of instruments from my website, in other words: my experience.

More Posts - Website

Affiliate Disclosure: As an Amazon Associate I earn from qualifying purchases.