LEMASSON
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AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
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AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
This device fully disables Active Fuel Management (AFM) and Dynamic Fuel Management (DFM) systems, allowing your engine to run on all cylinders V6/V8 mode at all times, enhancing performance and reliability.
AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L
Item #: 88207338

AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra

78% of respondents would recommend this to a friend

Item #: 88207338

XPF 8051

Price Details

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*All items will import from US

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Order now and get it around Thursday, October 08
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This device fully disables Active Fuel Management (AFM) and Dynamic Fuel Management (DFM) systems, allowing your engine to run on all cylinders V6/V8 mode at all times, enhancing performance and reliability.
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What Stands Out

Enhanced Performance
Disables Active Fuel Management, ensuring your GM engine operates at full capacity for improved acceleration and responsiveness.
Broad Compatibility
Designed for a wide range of GM vehicles, including popular models like Silverado and Escalade, providing versatility for various drivers.
User-Friendly Installation
Easy to install without professional help, allowing users to quickly enhance their vehicle's performance with minimal effort.

Product Details

Shop AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L online at a best price in Wallis and Futuna Islands. B0D8PXMWNV

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Product Technical Details

Manufacturer‎LEMASSON
Brand‎LEMASSON
Model‎Active Fuel Management Disabler for GM Vehicles
Item Weight‎2.11 ounces
Package Dimensions‎3.7 x 2.99 x 1.14 inches
Item model number‎RA003
Exterior‎Painted
Manufacturer Part Number‎RA003

What's in the box

1 * AFM Disabler

Who Should Buy?

Suitable For
  • Truck Enthusiasts

    Users who modify their trucks and want improved performance will benefit from disabling AFM.

  • Towing Professionals

    Individuals regularly towing heavy loads will find better response and power without AFM affecting engine performance.

  • Fuel Economy Seekers

    Drivers seeking to maximize fuel efficiency during regular driving can achieve clearer performance with AFM disabled.

Not Suitable For
  • Fuel Conscious Drivers

    Users focused solely on fuel economy may not benefit from losing AFM, which optimizes efficiency at times.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the AFM Disabler?

    Answer: The AFM Disabler is designed to deactivate the Active Fuel Management system in GM vehicles, specifically for V6 and V8 engines like the 5.3 Silverado. By disabling this feature, it helps to prevent engine hiccups and improves engine performance by maintaining consistent power delivery. This is particularly useful for those who engage in towing or require more power during acceleration, ensuring a smoother driving experience.
  • Question: How does the AFM Disabler installation process work?

    Answer: Installing the AFM Disabler typically involves plugging it into your vehicle's OBD-II port, which is generally located under the dashboard. This straightforward installation allows users to quickly disable the AFM system without extensive mechanical knowledge. It’s perfect for vehicle owners looking to enhance performance without needing specialized tools or services.
  • Question: Will the AFM Disabler affect fuel economy?

    Answer: Using the AFM Disabler may have a neutral or even positive impact on fuel economy when used appropriately. Since it prevents the engine from switching to a less efficient four-cylinder mode, it can help maintain optimal power and efficiency during heavy acceleration or towing scenarios. Each vehicle may respond differently, but many users report enhanced performance and responsive driving.
  • Question: Which vehicles are compatible with the AFM Disabler?

    Answer: The AFM Disabler is compatible with a range of GM vehicles, particularly those equipped with V6 and V8 engines, such as the 5.3 Silverado, Chevy Avalanche, Tahoe, and GMC Sierra models. Before purchasing, it’s important to verify your vehicle model and engine type to ensure compatibility and optimal performance.
  • Question: Is the AFM Disabler safe to use?

    Answer: Yes, the AFM Disabler is safe for use and does not cause any damage to the vehicle's engine or performance systems. It’s a non-invasive solution that does not compromise the vehicle’s integrity, a preferred choice for many drivers looking to enhance engine responsiveness and overall performance without modifying the factory settings.
  • Question: Can the AFM Disabler be removed easily?

    Answer: The AFM Disabler can be easily removed when needed, restoring your vehicle to its original configuration. This flexibility allows users to switch back and forth depending on their driving needs without hassle. It’s ideal for those who may want to revert to the factory settings when selling the vehicle or for diagnostic purposes.
  • Question: What benefits can I expect from using the AFM Disabler?

    Answer: Using the AFM Disabler offers several benefits, including improved throttle response, enhanced engine performance, and a smoother driving experience. Especially beneficial for towing, it helps maintain power and reduces engine strain. Users often notice better acceleration and overall responsiveness, making it a great enhancement for both daily driving and recreational use.
  • Question: Are there any drawbacks to using the AFM Disabler?

    Answer: While the AFM Disabler provides numerous benefits, one potential drawback is the loss of 'fuel-saving' features that the Active Fuel Management system offers. Drivers may notice a slight increase in fuel consumption in light driving scenarios if they prioritize performance over efficiency. It’s important to consider your driving habits to determine if the benefits outweigh the drawbacks.
  • Question: Will the AFM Disabler trigger any warning lights on my dashboard?

    Answer: Generally, the AFM Disabler is designed to operate without triggering any dashboard warning lights. However, it’s always good practice to monitor your vehicle for any unusual behavior after installation. If any lights do appear, checking compatibility and installation accuracy can help ensure everything is functioning correctly.
  • Question: Where can I buy the AFM Disabler?

    Answer: You can purchase the AFM Disabler, including the AFMDFM Disabler compatible with GM V6 V8 models, from Ubuy. Ubuy offers a wide range of automotive products and accessories, ensuring quality and convenience for your needs.

LEMASSON Engine Management Systems ‎RA003 Editorial Review

AFM Disabler, AFM/DFM Disabler, Active Fuel Management Disabler Compatible with GM V6 V8 AFM Disabler 5.3 Silverado, Chevy Avalanche Tahoe GMC Sierra Yukon Denali Cadillac Escalade 4.3L 5.3L 6.0L 6.2L offers an effective solution for those frustrated with the Active Fuel Management system. Many users have reported a straightforward installation process, making it accessible for anyone looking to disable the V4 mode without complicated modifications. Though some reviews mention intermittent issues after initial success, the overall sentiment remains positive, highlighting its value as a budget-friendly alternative. Users recommend relocating the device for better visibility during installation and operation, especially in bright conditions.

Customer Reviews & Ratings

122 customers ratings
  • 5 Star
    59%
  • 4 Star
    11%
  • 3 Star
    6%
  • 2 Star
    4%
  • 1 Star
    20%

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Pros

  • Easy to install with basic tools
  • Effectively disables V4 mode as promised
  • Compact design fits well in engine bay
  • Users suggest relocating for better visibility
  • Budget-friendly option for AFM problems

Cons

  • LED lights could be brighter for daytime visibility

Platform Trust & Buyer Confidence

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4.2/5 9477 reviews
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Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
AC
Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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XPF 8051

Order now and get it around Thursday, October 08

QTY:

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Fastest cross-border delivery

Features & Benefits

  • Compatible with various Chevrolet, GMC, Cadillac, and Buick models.
  • Completely deactivates AFM/DFM for better engine performance.
  • Helps prevent costly lifter-related engine repairs.
  • Engineered for minimal battery drain, ensuring reliability.
  • Plug-and-play installation—get up and running in minutes.
  • Enhances both performance and reliability of your engine.

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