HUMMER L4112951 Intake Kit 657896496914

( Manufacturer Part Number: L4112951 ), ( Part Type: Intake ), ( Universal Fitment: Performance/custom ), ( Weight: 12.10 ), ( Manufacturer Warranty: Yes ), ( Product Style: 77 Series Kits ), ( Filter Material: Cotton Gauze ), ( Finish: Polished ), ( Air Filter Outlet Shape: Round ), ( Air Filter Height: 7.5 In ), ( UPC: 657896496914 )

Review HUMMER Intake Kit For fits H2 2003–2009

L4112951 Intake Kit for Hummer H2 (2003-2009)

The L4112951 Intake Kit for Hummer H2, manufactured by Holley, is an exceptional upgrade for your 2003-2009 Hummer H2's engine. This intake system is designed to provide enhanced airflow and improved engine performance, resulting in increased horsepower and torque.

This intake kit comes with a high-flow, cast-aluminum, 75mm mass airflow sensor housing. The housing is designed to accommodate the factory mass airflow sensor, ensuring a direct plug-and-play installation. This housing also includes Holley's Sniper EFI single-plane intake manifold. The intake manifold is constructed from lightweight, durable aluminum and features a polished finish. It is designed to provide optimal airflow distribution to the engine for improved combustion efficiency.

The intake kit also includes a set of high-performance, long-tube, stainless steel headers. These headers are designed to provide improved exhaust flow and reduce backpressure, resulting in increased engine power and better fuel efficiency. The headers are manufactured from 304 stainless steel, ensuring durability and resistance to corrosion.

The intake kit is compatible with the factory engine harness and factory throttle body. It also includes all necessary hardware for installation, making the installation process relatively straightforward. The kit also comes with a detailed installation guide to help ensure a smooth and successful installation.

In summary, the L4112951 Intake Kit for Hummer H2 is an excellent performance upgrade for your 2003-2009 Hummer H2. It provides enhanced airflow, improved combustion efficiency, and increased engine power, making it an ideal choice for those seeking to enhance the performance of their Hummer H2.

The L4112951 intake kit for the Hummer H2 (2003-2009) is designed to improve the vehicle's engine performance by replacing the factory air filter housing and intake system with a high-performance air filter and intake tube. Here are some potential pros and cons of buying this intake kit:

1. Improved Air Flow: The high-performance air filter in the kit can capture more air particles, allowing more air to enter the engine, leading to improved engine performance.

2. Increased Horsepower: The increased air flow can result in an increase in horsepower and torque, making the vehicle more responsive and faster.

3. Better Filtration: The high-performance air filter can provide better filtration than the stock filter, resulting in cleaner air entering the engine and potentially prolonging engine life.

4. Enhanced Engine Sound: The intake system can also provide a more pleasing engine sound due to the free-flowing design of the intake tube.

1. Installation Complexity: Installing the intake kit can be a complex process, requiring some mechanical knowledge and tools.

2. Potential Check Engine Light: In some cases, installing the intake kit may trigger the check engine light due to changes in air/fuel mixture sensors.

3. Reduced Fuel Economy: The increased air flow can also lead to increased fuel consumption, potentially reducing the vehicle's fuel economy.

4. Higher Cost: The intake kit is a more expensive aftermarket part compared to the stock intake system.

The L4112951 intake kit for the Hummer H2 (2003-2009) can provide noticeable improvements in engine performance, horsepower, and torque. However, the complex installation process, potential check engine light, reduced fuel economy, and higher cost are important factors to consider before making a purchase. Ultimately, the decision to buy the intake kit depends on individual priorities and preferences, such as the desire for improved engine performance versus the inconvenience and cost of the installation process.

If you are an experienced mechanic or are willing to pay for professional installation, and you prioritize improved engine performance over the potential cons, then the L4112951 intake kit for the Hummer H2 (2003-2009) could be a worthwhile investment. However, if you are not mechanically inclined, or if the cost and potential issues outweigh the benefits for you, then it may be best to consider other aftermarket modifications or to stick with the stock intake system.

Details:

part #: l4112951 prices

• $469.86-$477.50

specifications airfueldepo:

• for models: H2
• for makes: Hummer
• for years: 2003-2009
• mpn: L4112951
• part type: Intake
• universal fitment: Performance/custom
• weight: 12.10
• manufacturer warranty: Yes
• product style: 77 Series Kits
• filter material: Cotton Gauze
• finish: Polished
• air filter outlet shape: Round
• air filter height: 7.5 In
• upc: 657896496914

offer airfueldepo:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: March 14, 2026
• quantity: 5

general airfueldepo:

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

returns airfueldepo:

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

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• credit card: Mastercard
• other
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shipping airfueldepo:

• class: Standard
• carrier: UPS
• cost: $0.00
• type: Fixed
• transit: 4-7 Days
• service: UPS Ground

seller airfueldepo:

• rating: 96.8%
• # reviews: 526
• city: Compton, California

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