GM 20847794 Air Box Cleaner Duramax 3500HD 6.6L

( Brand: Gm ), ( Manufacturer Part Number: 20847794 ), ( Type: Air Filter Housing ), ( Oe/oem Part Number: 23467660, Duramax, Diesel, 6.6l, Lml ), ( Manufacturer Warranty: No Warranty ), ( Color: Black ), ( Items Included: Intake Air Box ), ( Air Flow Meter: Not Guaranteed ), ( Material: Plastic ), ( Country Of Origin: United States )

Review GM Air Cleaner Box 3500hd 6.6l Duramax fits SILVERADO SIERRA LML 2011–2012

The GM Part Number 20847794 is a crucial component for maintaining the optimal performance of your 2011-2012 Silverado 3500HD and Sierra 3500HD with the LML 6.6L Duramax engine. This part is specifically designed as an Air Box Cleaner.

The Air Box Cleaner is a vital piece of the engine's intake system. Its primary function is to ensure that the air filter remains clean and free from debris, dust, and other contaminants that can negatively impact engine performance. The cleaner helps to remove these contaminants effectively by directing a powerful stream of compressed air through the air filter, eliminating the need for manual cleaning.

This product is made of high-quality materials to ensure durability and reliability. The silver color adds a touch of elegance to the engine compartment. Its design is precise and detailed, ensuring a perfect fit for your vehicle. The installation process is straightforward, and it can be done without professional assistance.

The Air Box Cleaner is an essential investment for any Silverado 3500HD or Sierra 3500HD owner with the LML 6.6L Duramax engine. Regular use of this component helps to prolong the life of the air filter and improve engine performance. It is a simple yet effective way to enhance the overall driving experience and ensure the longevity of your vehicle.

In summary, the GM Part Number 20847794 is a high-quality Air Box Cleaner specifically designed for the 2011-2012 Silverado 3500HD and Sierra 3500HD with the LML 6.6L Duramax engine. Its function is to keep the air filter clean and free from contaminants, ensuring optimal engine performance and longevity. It is made of durable materials, easy to install, and a valuable investment for any truck owner.

Air box cleaners are essential accessories for maintaining the performance and fuel efficiency of diesel engines, particularly those with large displacement engines like the 6.6L Duramax LML found in the 2011-2012 Chevrolet Silverado 3500HD and GMC Sierra 3500HD. The GM part number 20847794 is a popular choice for this application. In this response, we will discuss the pros and cons of buying this air box cleaner.

1. Improves engine performance: A clean air filter ensures that the engine receives clean air, which is essential for optimal engine performance.

2. Increases fuel efficiency: A dirty air filter can restrict airflow, which can lead to decreased fuel efficiency. A clean air filter allows the engine to breathe more easily, improving fuel economy.

3. Reduces engine wear: A clean air filter helps to prevent dirt and debris from entering the engine, reducing the amount of wear and tear on engine components.

4. Improves engine power: A clean air filter allows the engine to receive more oxygen, which can lead to increased power output.

5. Easy to install: The GM air box cleaner is a straightforward installation process, which can be done in a relatively short amount of time.

1. Cost: The GM air box cleaner is not an inexpensive accessory, and some customers may find the price to be a deterrent.

2. Frequent maintenance: While the air filter itself may not need to be changed frequently, the air box cleaner will need to be serviced regularly to ensure it continues to function properly.

3. May not be necessary for all drivers: Drivers who do not regularly drive in dusty or dirty conditions may not see a significant improvement in engine performance or fuel efficiency by using an air box cleaner.

The GM 20847794 air box cleaner for the 2011-2012 Chevrolet Silverado 3500HD and GMC Sierra 3500HD is an excellent investment for those who regularly drive in dusty or dirty conditions. It can help to improve engine performance, increase fuel efficiency, reduce engine wear, and improve engine power. However, it comes with a cost and requires regular maintenance. For those who do not drive in such conditions, the benefits may not outweigh the cost. Ultimately, the decision to purchase this air box cleaner depends on individual driving habits and preferences.

If you regularly drive in dusty or dirty conditions and are looking for a way to improve engine performance, increase fuel efficiency, reduce engine wear, and improve engine power, then the GM 20847794 air box cleaner is a worthwhile investment. However, if you do not regularly drive in such conditions or are concerned about the cost and maintenance requirements, it may be worth considering other options or waiting until the need arises.

Details:

USED 2011 2012 Air Cleaner Box Housing Silverado Sierra 3500HD LML 6.6L Duramax 20847794 As Shown. Please See all Photos And Compare All Connectors Fitment. Air Box Housing is in GREAT USED conditions.

part #: 20847794 prices

• $199.99-$209.00

specifications aicleaer:

• for models: Lml, Silverado, Sierra
• for years: 2011-2012
• brand: Gm
• mpn: 20847794
• type: Air Filter Housing
• oe/oem part number: 23467660, Duramax, Diesel, 6.6l, Lml
• manufacturer warranty: No Warranty
• color: Black
• items included: Intake Air Box
• air flow meter: Not Guaranteed
• material: Plastic
• country of origin: United States

general aicleaer:

• Car Truck Parts Accessories > Air Fuel Delivery > Air Filter Housings
• condition: Used

seller aicleaer:

• rating: 100.0%
• # reviews: 641
• city: Lancaster, California

payments aicleaer:

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

shipping aicleaer:

• service: USPS Ground Advantage
• cost: $0.00
• class: Standard
• transit: 5-11 Days
• carrier: USPS
• type: Calculated

returns aicleaer:

• policy: No Returns

offer aicleaer:

• quantity: 1
• sold: 0
• started: March 15, 2026
• best offers: True
• options: Ship-to-home
• availability: In Stock

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