AFE POWER 77-44005 Module Gm Diesel Duramax LB7

( Brand: Afe Power ), ( Part Type: Module ), ( Fuel Type: Diesel ), ( Carb Executive Order Number: Not Required ), ( Modifies Ecu: No ), ( Warning Ca Proposition 65: Yes ), ( Connector Color: Black ), ( Warning Ca Proposition 65 Message: Warning ), ( Items Included: Seal ), ( Manufacturer Part Number: 77-44005 ), ( Connectivity: Cable )

Review AFE POWER Module Gm Diesel Duramax Lb7 fits 2001–2004

The AFE Power 77-44005 Air Filter Module is a high-performance upgrade designed specifically for the 01-04 Duramax LB7 GM Diesel engines. This module replaces the factory air filter housing and intake system, providing numerous benefits for your vehicle's engine performance and filtration efficiency.

The core component of this module is the large, high-flow, oil-coated air filter element. This filter is designed to capture a larger volume of contaminants, including dirt, dust, and other particles as small as 3 microns. The oil coating on the filter media ensures that these particles are trapped efficiently, while also reducing the risk of engine damage from excessive intake of dirt and debris.

The AFE Power 77-44005 Air Filter Module also features a unique, tool-less design that makes it easy to install and maintain. The module is constructed from high-quality, durable materials, including a CNC-machined aluminum housing and a reinforced, UV-resistant polyurethane intake tube. This ensures that the module can withstand the rigors of off-road use and harsh weather conditions.

One of the most notable benefits of this air filter module is its substantial increase in air flow. Compared to the factory air filter, the AFE Power module offers up to 50% more air flow, which leads to improved engine performance, increased horsepower, and better fuel efficiency. The module's large intake opening and carefully designed air flow path ensure that the engine receives a consistent, clean air supply, allowing it to operate at peak efficiency.

Another advantage of this air filter module is its compatibility with various aftermarket performance chips and tuners. By working in conjunction with these upgrades, the AFE Power 77-44005 module can help maximize the potential of your engine, providing a noticeable improvement in power and torque.

In summary, the AFE Power 77-44005 Air Filter Module is an excellent upgrade for any 01-04 Duramax LB7 GM Diesel engine. Its large, high-flow air filter, durable construction, and easy installation make it a popular choice among off-road enthusiasts and performance-focused drivers. By improving air flow, filtration efficiency, and engine performance, this module is an essential addition to any diesel powertrain.

The AFE Power 77-44005 Air Filter Module for select 2001-2004 GM Duramax LB7 diesel engines is designed to enhance the performance and efficiency of the vehicle's air intake system. Here are some potential pros and cons of purchasing this product:

1. Improved Air Filtration: This module utilizes a high-performance air filter that can capture more dirt, dust, and other contaminants compared to the stock filter. This results in cleaner air entering the engine, which can lead to better combustion, increased power, and improved fuel economy.

2. Increased Engine Protection: By trapping more contaminants, the high-performance air filter can help protect the engine from damage caused by dirt, dust, and other debris. This can lead to a longer engine lifespan and reduced maintenance costs.

3. Easy Installation: The AFE Power air filter module is designed to be a direct replacement for the stock filter, making installation relatively simple. The module comes with all necessary hardware, and no modifications to the vehicle are required.

4. Enhanced Performance: The high-performance air filter can lead to improved engine performance, including increased horsepower and torque. This can result in a more responsive driving experience and better overall performance.

1. Additional Cost: The AFE Power air filter module is more expensive than a stock air filter. While the benefits may outweigh the cost for some consumers, others may prefer to stick with the stock filter to save money.

2. Potential Reduced Fuel Economy: While the high-performance air filter can lead to improved fuel economy in some cases, it may also result in reduced fuel economy in others. This is due to the increased airflow and the engine's response to the cleaner air.

3. Potential Check Engine Light: In some rare cases, installing an aftermarket air filter module like the AFE Power 77-44005 may trigger the check engine light. This is usually due to the engine's sensors detecting a difference in airflow or pressure. In most cases, this can be resolved by resetting the check engine light or adjusting the air filter.

The AFE Power 77-44005 Air Filter Module for select 2001-2004 GM Duramax LB7 diesel engines offers several benefits, including improved air filtration, increased engine protection, easy installation, and enhanced performance. However, it also comes with some potential drawbacks, such as additional cost, potential reduced fuel economy, and the possibility of triggering the check engine light. Ultimately, the decision to purchase this product depends on the individual's priorities and budget. If improved performance and engine protection are top priorities, then the AFE Power air filter module may be a worthwhile investment. However, if cost is a major concern, then a stock air filter may be a better option.

part # 7744005 prices

• $467.59-$491.95

specifications injectiopug:

• for years: 2001-2004
• brand: Afe Power
• part type: Module
• fuel type: Diesel
• carb executive order number: Not Required
• modifies ecu: No
• warning ca proposition 65: Yes
• connector color: Black
• warning ca proposition 65 message: Warning
• items included: Seal
• manufacturer part number: 77-44005
• connectivity: Cable

offer injectiopug:

• best offers: True
• started: February 18, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1

seller injectiopug:

• rating: 100.0%
• # reviews: 159

payments injectiopug:

• other
• credit card: Mastercard
• wallet: Apple-pay

returns injectiopug:

• policy: No Returns

shipping injectiopug:

• class: Standard
• service: USPS Ground Advantage
• cost: $0.00
• type: Calculated
• transit: 5-8 Days
• carrier: USPS

general injectiopug:

• condition: Used
• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts

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