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  3. AFE POWER 51-74001

AFE POWER 51-74001 Gm Duramax Diesel LB7

fits year: 2001–2004.

51-74001 Afe Power 51 74001 01 04 Fits For Gm Duramax Diesel Truck Lb7

( Brand: Afe Power ), ( Manufacturer Part Number: 51-74001 ), ( Type: Default ), ( Universal Fitment: Performance/custom ), ( Material: Material )

Review AFE POWER 51 74001 Fits For Gm Duramax Diesel Truck Lb7 fits 2001–2004

The AFE Power 51-74001 Air Filter is a high-performance intake solution designed specifically for the GM Duramax Diesel LB7 engines. This air filter is engineered to deliver superior engine protection and increased airflow, ensuring optimal engine performance and longevity.

The AFE Power 51-74001 Air Filter is constructed with a synthetic cotton media that boasts a large surface area for maximum air filtration. The media is capable of trapping up to 99% of dirt, dust, and other harmful contaminants as small as 3 microns, ensuring clean air enters the engine. This media is also treated with an anti-oil coating, which prevents oil from clogging the filter and ensures consistent airflow.

The filter housing is made of high-quality, durable materials that provide a tight seal and prevent air leaks. The housing is also designed to be easy to install, with a tool-less design that allows for quick and easy filter changes. The AFE Power 51-74001 Air Filter is also designed to be reusable, making it a cost-effective solution for those looking to save on replacement filters.

The AFE Power 51-74001 Air Filter also offers a significant increase in airflow compared to OEM filters. This increased airflow results in more power and better fuel efficiency, allowing your engine to perform at its best. Additionally, the increased airflow helps to reduce engine temperatures, ensuring that your engine stays cool and runs more efficiently.

The AFE Power 51-74001 Air Filter is backed by a Million Mile Warranty, which covers the filter media for the life of the vehicle, giving you peace of mind and confidence in your purchase. Whether you're towing heavy loads or simply driving around town, the AFE Power 51-74001 Air Filter is the ideal choice for those looking to improve their GM Duramax Diesel LB7 engine's performance and protect it from harmful contaminants.

Pros and Cons of Buying AFE Power 51-74001 Air Filter for GM Duramax Diesel LB7

Introduction:

The AFE Power 51-74001 is a high-performance air filter designed for the GM Duramax Diesel LB7 engine. This air filter is known for its ability to increase airflow and improve engine performance. In this article, we will discuss the pros and cons of buying this air filter for your GM Duramax Diesel LB7.

Pros:

1. Increased Airflow: The AFE Power 51-74001 air filter is designed to allow more air into the engine, which can lead to increased horsepower and torque. This is because the filter has a larger surface area and can capture more air than the stock filter.

2. Better Filtration: The AFE Power 51-74001 air filter uses a synthetic media that can capture more dirt and debris than the stock filter. This means that the engine will be protected from harmful contaminants, which can lead to better engine performance and longevity.

3. Easy Installation: Installing the AFE Power 51-74001 air filter is a relatively simple process that can be done in about 30 minutes. This is because the filter comes with all the necessary hardware and fits directly into the factory air box.

4. Durability: The AFE Power 51-74001 air filter is made from high-quality materials that can withstand the rigors of off-road driving and other harsh conditions. This means that the filter will last longer than the stock filter and will not need to be replaced as often.

Cons:

1. Cost: The AFE Power 51-74001 air filter is more expensive than the stock filter. This is because it is a high-performance filter that is designed to provide better filtration and increased airflow.

2. Maintenance: The AFE Power 51-74001 air filter requires more frequent maintenance than the stock filter. This is because the filter captures more dirt and debris, which means that it will need to be cleaned or replaced more often.

3. Noise: Some users have reported that the AFE Power 51-74001 air filter produces more noise than the stock filter. This is because the filter allows more air to flow into the engine, which can create more turbulence and noise.

4. Fitment: While the AFE Power 51-74001 air filter fits most GM Duramax Diesel LB7 engines, it is important to double-check the fitment before making a purchase. This is because there may be some variations in engine design and air box size.

Conclusion:

The AFE Power 51-74001 air filter is a high-performance filter that can provide increased airflow and better filtration for the GM Duramax Diesel LB7 engine. However, it is more expensive than the stock filter and requires more frequent maintenance. Ultimately, the decision to buy this air filter depends on your budget, driving style, and maintenance preferences. If you are looking for maximum performance and are willing to pay a premium and perform regular maintenance, then the AFE Power 51-74001 air filter is a great choice. If you are looking for a more affordable option or prefer a low-maintenance filter, then the stock filter may be a better choice for you.

Recommendation:

If you are looking for a high-performance air filter for your GM Duramax Diesel LB7 engine and are willing to pay a premium and perform regular maintenance, then the AFE Power 51-74001 air filter is a great choice. However, if you are looking for a more affordable option or prefer a low-maintenance filter, then the stock filter may be a better choice for you. It is important to carefully consider your budget, driving style, and maintenance preferences before making a decision.

Details:

Note: Photos do not always represent the actual product. For kits, photo might show entire kit and listing is only for one component. Momentum HD Cold Air Intake System w/ Pro Drys Filter. 01-04 GM DURAMAX DIESEL TRUCK LB7 AFE POWER MOMENTUM HD PRO Drys STAGE-2 SI INTAKE SYSTEM,:: Momentum Intake.

part #: 5174001 prices

  • $416.99-$435.00

specifications airfueldepo:

  • for years: 2001-2004
  • brand: Afe Power
  • mpn: 51-74001
  • type: Default
  • universal fitment: Performance/custom
  • material: Material

seller airfueldepo:

  • rating: 99.0%
  • # reviews: 85656
  • city: USA

offer airfueldepo:

  • availability: In Stock
  • started: March 26, 2026
  • options: Ship-to-home
  • quantity: 1
  • sold: 0

shipping airfueldepo:

  • cost: $0.00
  • transit: 4-6 Days
  • class: Standard
  • service: Standard
  • type: Fixed

general airfueldepo:

  • Car Truck Parts Accessories > Air Fuel Delivery > Other Air Fuel Delivery
  • condition: New

returns airfueldepo:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

payments airfueldepo:

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for years: 2001-2004, type: default, universal fitment: performance/custom,
category: auto parts > car truck parts accessories > air fuel delivery, material: material, sku: 14463114499562861,

Afe Power 51-74001 Is Similar To:

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