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Best Automotive Replacement Engine Management Systems - Buying Guide

Last Updated: 05/27/2024

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Bestselling Automotive Replacement Engine Management Systems on Amazon

  1. OBDDFM Active Fuel Management AFM/DFM Disable Device, Compatible with GM V8 V6 Engine
  2. Southwest Speed New Range Technology AFM-DFM DISABLER,Blue,Compatible with V6 & V8 GM Motors
  3. OBDCAR AFM/DFM Disabler Active Fuel Management AFM Disable Device Compatible with V6 & V8 GM Motors
  4. Range Technology RA003B AFM/DFM Disabler-Blue
  5. Conoouxl RA003 AFM/DFM Active Fuel Management Disable Device Replacement for V8 V6 Engines(Blue)
  6. AFM Disabler Active Fuel Management Delete Disabler AFM/DFM Disabler Compatible with V6 & V8 GM Moto...
  7. Yesemei Active Fuel Management Disabler Device Disable Delete AFM DFM Function Compatible with GM V6...
  8. AFM/DFM Disabler, Active Fuel Management AFM Disable Device RA003 Compatible with V6 V8 GM Motors (C...
  9. ECUOBD AFM Disabler DFM Disabler Active Fuel Management Compatible with V6 V8 GM Motors
  10. HHQ AFM Disabler 2022 New Technology Active Fuel Management Disabler Compatible with V6 & V8 GM Motors
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  #1

OBDDFM Active Fuel Management AFM/DFM Disable Device, Compatible with GM V8 V6 Engine

Asin: B0BZ889KLK   |   Model: OBDDFM-B-1   |   PartNumber: OBDDFM-B-1

Features

  • AFM/DFM Disabler Compatibles with most V6 & V8 GM Motors.
  • Keep your V6 or V8 GM motors to run in full cylinder mode at all times.
  • Just plug it into your vehicle's OBD-II port and it will immediately start working to eliminate the AFM/DFM system.
  • Will not reprogram your factory ECU, Unplug it to back to factory settings.
  • Please verify if your model is appropriate prior to making a purchase.
  • See more on Amazon...

Just Plug It Into Your Vehicle's Obd-Ii Port And It Will Immediately Start Working To Eliminate The Afm/Dfm System..
Please Verify If Your Model Is Appropriate Prior To Making A Purchase..
Will Not Reprogram Your Factory Ecu, Unplug It To Back To Factory Settings..
Keep Your V6 Or V8 Gm Motors To Run In Full Cylinder Mode At All Times..

Brand: OBDDFM   |   Manufacturer: OBDDFM

Amazon Price: $59.99 | as of 05/27/2024 (9:32am pst) *DETAILS
Availability: In Stock
List Price: $65.99

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  #2

Southwest Speed New Range Technology AFM-DFM DISABLER,Blue,Compatible with V6 & V8 GM Motors

Asin: B089NXGY4K   |   Model: RET-RA003B   |   PartNumber: RET-RA003B   |   Ean: 0689585861307, 0860001618600   |   UPC: 860001618600, 689585861307

Features

  • Brand New Range Technology AFM/DFM Disabler, Blue, Compatible with V6 & V8 GM Motors, Produced by Holley Performance Products (Part #RA003B)
  • The Range AFM/DFM Disabler allows your V6 or V8 GM vehicle to run in full cylinder mode at all times, preventing the Active or Dynamic Fuel Management system from dropping cylinders. Our patented technology is the only product that will disable Active or Dynamic Fuel Management without reprogramming the factory ECU. Full power delivery all the time without factory warranty concerns.
  • Features: Range AFM/DFM Disabler keeps you in full power 100% of the time | Simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM system | The power & control you need in any situation | The Range AFM/DFM Disabler does not reprogram your factory ECU | Leaves no trace - Unplug it to return to factory settings | Fits V6 & V8 General Motors (GM) active or dynamic fuel management vehicles, includes cars, trucks & SUVs | This device does not currently support
  • Specs: Brand: Range Technology | Color: Blue | Emission Code: 7 | Product Type: Tuner
  • See more on Amazon...

Features: Range Afm/Dfm Disabler Keeps You In Full Power 100% Of The Time | Simply Plug Into Your Onboard Obd-Ii Port And It Instantly Begins Working To Eliminate The Afm System | The Power & Control You Need In Any Situation | The Range Afm/Dfm Disabler Does Not Reprogram Your Factory Ecu | Leaves No Trace - Unplug It To Return To Factory Settings | Fits V6 & V8 General Motors (Gm) Active Or Dynamic Fuel Management Vehicles, Includes Cars, Trucks & Suvs | This Device Does Not Currently Support.
Specs: Brand: Range Technology | Color: Blue | Emission Code: 7 | Product Type: Tuner.
The Range Afm/Dfm Disabler Allows Your V6 Or V8 Gm Vehicle To Run In Full Cylinder Mode At All Times, Preventing The Active Or Dynamic Fuel Management System From Dropping Cylinders. Our Patented Technology Is The Only Product That Will Disable Active Or Dynamic Fuel Management Without Reprogramming The Factory Ecu. Full Power Delivery All The Time Without Factory Warranty Concerns..

Brand: Range Technology   |   Manufacturer: HOLLEY PERFORMANCE PRODUCTS

Dimensions: 1.97 x 5.91 x 4.69 inches

Amazon Price: $208.98 | as of 05/27/2024 (9:32am pst) *DETAILS
Availability: In Stock
List Price: $230.95 | Used Price: $207.95

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  #3

OBDCAR AFM/DFM Disabler Active Fuel Management AFM Disable Device Compatible with V6 & V8 GM Motors

Asin: B0BB7YZL93   |   Model: OBDCAR-V6-V8   |   PartNumber: OBDCAR-V6-V8   |   Ean: 0606462451697   |   UPC: 606462451697

Features

  • Compatible with V6 / V8 General Motors (GM) active or dynamic fuel management vehicles, includes cars, trucks, and SUVs.
  • OBDCAR AFM/ DFM Disabler allows your V6/ V8 GM vehicle to run in full cylinder mode at all times, preventing the Active or Dynamic Fuel Management system from dropping cylinders.
  • Fast and easy setup; simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM/DFM system.
  • Will not reprogram your factory ECU, unplug it to return to factory settings.
  • Please confirm the compatibility before ordering it.
  • See more on Amazon...

Fast And Easy Setup; Simply Plug Into Your Onboard Obd-Ii Port And It Instantly Begins Working To Eliminate The Afm/Dfm System..
Please Confirm The Compatibility Before Ordering It..
Will Not Reprogram Your Factory Ecu, Unplug It To Return To Factory Settings..
Obdcar Afm/ Dfm Disabler Allows Your V6/ V8 Gm Vehicle To Run In Full Cylinder Mode At All Times, Preventing The Active Or Dynamic Fuel Management System From Dropping Cylinders..

Brand: OBDCAR   |   Manufacturer: OBDCAR

Amazon Price: $85.99 | as of 05/27/2024 (9:32am pst) *DETAILS
Availability: In Stock

See On Amazon




  #4

Range Technology RA003B AFM/DFM Disabler-Blue

Asin: B084X5V8RR   |   Model: RA003B   |   PartNumber: RA003B   |   Ean: 0860001618600, 0728505768859   |   UPC: 860001618600, 728505768859

Features

  • Leaves no trace. Unplug it to return to factory settings
  • Range AFM/DFM Disabler keeps you in full power 100% of the time.
  • Simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM system.
  • The power and control you need in any situation.
  • See more on Amazon...

Simply Plug Into Your Onboard Obd-Ii Port And It Instantly Begins Working To Eliminate The Afm System..
The Power And Control You Need In Any Situation..
Range Afm/Dfm Disabler Keeps You In Full Power 100% Of The Time..

Brand: Range Technology   |   Manufacturer: Range

Dimensions: 1.00 x 4.00 x 4.00 Inches

See On Amazon




  #5

Conoouxl RA003 AFM/DFM Active Fuel Management Disable Device Replacement for V8 V6 Engines(Blue)

Asin: B0CW8NCXNR   |   Model: RA003   |   PartNumber: RA003

Features

  • Fitment: AFM/DFM Disabler Device RA003 Compatible with most V6 and V8 vehicles.
  • Function: The AFM RA003 keeps your vehicle in V8 mode at all times, helping to give your car the power it needs.
  • Plug and play, no tools required for installation, unplug the product when not in use for a long time.
  • Retain the original ECU, do not program the vehicle ECU, does not affect the other functions of the vehicle, but modify the vehicle to buy with caution.
  • NOTE: V8 mode will keep all cylinders running and water temperature may rise while driving. This product is not currently compatible with 2019+ 5.3L 10-speed or 6.2L 10-speed models.
  • See more on Amazon...

Plug And Play, No Tools Required For Installation, Unplug The Product When Not In Use For A Long Time..
Note: V8 Mode Will Keep All Cylinders Running And Water Temperature May Rise While Driving. This Product Is Not Currently Compatible With 2019+ 5.3L 10-Speed Or 6.2L 10-Speed Models..
Retain The Original Ecu, Do Not Program The Vehicle Ecu, Does Not Affect The Other Functions Of The Vehicle, But Modify The Vehicle To Buy With Caution..
Function: The Afm Ra003 Keeps Your Vehicle In V8 Mode At All Times, Helping To Give Your Car The Power It Needs..

Brand: Conoouxl   |   Manufacturer: Conoouxl

Amazon Price: $33.99 | as of 05/27/2024 (9:32am pst) *DETAILS
Availability: In Stock

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  #6

AFM Disabler Active Fuel Management Delete Disabler AFM/DFM Disabler Compatible with V6 & V8 GM Motors AFM Disabler 5.3 Silverado Chevy Tahoe GMC Sierra GMC Yukon Cadillac Escalade 4.3L 5.3L 6.0L 6.2L

Asin: B0CRGYTJ5C   |   Model: GREENV6V8   |   PartNumber: GREENV6V8

Features

  • This AFM Disabler Compatible with V6 / V8 General Motors (GM) active or dynamic fuel management vehicles, includes cars, trucks, and SUVs.
  • Plug and play. No installation required, simply plug into your vehicle OBD-II port and it instantly begins working to eliminate the AFM system.
  • This AFM/DFM Disabler allows your V6 or V8 vehicle to run in full cylinder mode at all times, help your car get full power.Preventing the Active or Dynamic Fuel Management system from dropping cylinders or more shuddering.(Disable 4 cylinder mode on your car)
  • Unplug it to return to factory settings,Doesn t reprogram or damage the factory ECU & will not void the manufacturer s warranty.
  • Please confirm the compatibility before ordering it.
  • See more on Amazon...

This Afm/Dfm Disabler Allows Your V6 Or V8 Vehicle To Run In Full Cylinder Mode At All Times, Help Your Car Get Full Power.Preventing The Active Or Dynamic Fuel Management System From Dropping Cylinders Or More Shuddering.(Disable 4 Cylinder Mode On Your Car).
Please Confirm The Compatibility Before Ordering It..
Unplug It To Return To Factory Settings,Doesn’T Reprogram Or Damage The Factory Ecu & Will Not Void The Manufacturer’S Warranty..
Plug And Play. No Installation Required, Simply Plug Into Your Vehicle Obd-Ii Port And It Instantly Begins Working To Eliminate The Afm System..

Brand: LYMAYDA   |   Manufacturer: LYMAYDA

Warranty: 1 year warranty

Amazon Price: $39.98 | as of 05/27/2024 (9:32am pst) *DETAILS
Availability: In Stock
List Price: $50.11

See On Amazon




  #7

Yesemei Active Fuel Management Disabler Device Disable Delete AFM DFM Function Compatible with GM V6 V8 Vehicle Car Truck

Asin: B0C6LL8M35   |   Ean: 0767809814411   |   UPC: 767809814411

Features

  • This device is compatible with most GM V6 and V8 engine vehicles trucks,and parts of chevrolet cadillac buick holden pontiac saturn car vehicles
  • This device will keep the vehicle in V8 mode all the time,keeping your car in full cylinder mode all the time, no more shuddering or dropping cylinders
  • Plug the device in and it instantly begins working to disable the AFM DFM system,please unplug the device when you do not use the car for a long time
  • It won't program the ECU of the vehicle, and won't affect other functions of the vehicle,but modified vehicles are cautious to buy
  • Note: keeping V8 mode the water temperature maybe increase during driving, device is not compatible with 2019-on Silverado and Sierra models with 5.3L/ 6.2L engine and 10-speed transmissions
  • See more on Amazon...

Plug The Device In And It Instantly Begins Working To Disable The Afm Dfm System,Please Unplug The Device When You Do Not Use The Car For A Long Time.
Note: Keeping V8 Mode The Water Temperature Maybe Increase During Driving, Device Is Not Compatible With 2019-On Silverado And Sierra Models With 5.3L/ 6.2L Engine And 10-Speed Transmissions.
It Won't Program The Ecu Of The Vehicle, And Won't Affect Other Functions Of The Vehicle,But Modified Vehicles Are Cautious To Buy.
This Device Will Keep The Vehicle In V8 Mode All The Time,Keeping Your Car In Full Cylinder Mode All The Time, No More Shuddering Or Dropping Cylinders.

Brand: Yesemei   |   Manufacturer: YESEMEI

Dimensions: 0.95 x 2.06 x 1.85 inches   |   Weight: 0.13 Pounds

Amazon Price: $64.99 | as of 05/27/2024 (9:32am pst) *DETAILS
Availability: In Stock

See On Amazon




  #8

AFM/DFM Disabler, Active Fuel Management AFM Disable Device RA003 Compatible with V6 V8 GM Motors (Chevy Silverado, Chevy Tahoe, GMC Sierra, GMC Yukon, Cadillac Escalade etc) 4.3L 5.3L 6.0L 6.2L

Asin: B0CW6GGNSD   |   Model: RA003   |   PartNumber: RA003

Features

  • Enhanced Engine Performance Our AFM Disabler deactivates Active Fuel Management (AFM) to enable your vehicle to operate on all cylinders at all times, ensuring a smoother and more consistent driving experience.
  • Compatible with a Wide Range of V6 & V8 General Motors Models Designed to fit a variety of General Motors' V6 and V8 engines equipped with AFM technology, . Note: This AFM/DFM Disabler is NOT currently compatible with 2019+ Silverado and Sierra models equipped with 5.3L / 6.2L motors and 10-speed transmissions.
  • Easy Plug-and-Play Installation Effortlessly upgrade your vehicle with our user-friendly design. Simply plug the AFM disabler into your vehicle s OBD-II port for an instant performance boost without the need for complex tools or professional assistance.
  • Maintains Vehicle Integrity Enjoy the benefits of full engine power without compromising your vehicle s factory settings. Our AFM disabler is non-invasive, fully reversible, and does not leave any trace once removed, preserving your vehicle s warranty and resale value.
  • Reliable and Durable Built with high-quality materials to ensure durability and longevity, our AFM Disabler is a reliable investment for your vehicle. Comes with dedicated customer support and a satisfaction guarantee to assist with any queries or concerns.
  • See more on Amazon...

🚗【Easy Plug-And-Play Installation】Effortlessly Upgrade Your Vehicle With Our User-Friendly Design. Simply Plug The Afm Disabler Into Your Vehicle’S Obd-Ii Port For An Instant Performance Boost Without The Need For Complex Tools Or Professional Assistance..
🚗【Reliable And Durable】Built With High-Quality Materials To Ensure Durability And Longevity, Our Afm Disabler Is A Reliable Investment For Your Vehicle. Comes With Dedicated Customer Support And A Satisfaction Guarantee To Assist With Any Queries Or Concerns..
🚗【Maintains Vehicle Integrity】Enjoy The Benefits Of Full Engine Power Without Compromising Your Vehicle’S Factory Settings. Our Afm Disabler Is Non-Invasive, Fully Reversible, And Does Not Leave Any Trace Once Removed, Preserving Your Vehicle’S Warranty And Resale Value..
🚗【Compatible With A Wide Range Of V6 & V8 General Motors Models】Designed To Fit A Variety Of General Motors' V6 And V8 Engines Equipped With Afm Technology, . Note: This Afm/Dfm Disabler Is Not Currently Compatible With 2019+ Silverado And Sierra Models Equipped With 5.3L / 6.2L Motors And 10-Speed Transmissions..

Brand: CYTROBE   |   Manufacturer: CYTROBE

Warranty: 1 year manufacturer

Amazon Price: $59.99 | as of 05/27/2024 (9:32am pst) *DETAILS
Availability: In Stock

See On Amazon




  #9

ECUOBD AFM Disabler DFM Disabler Active Fuel Management Compatible with V6 V8 GM Motors

Asin: B0BGLV8H6W   |   Model: ECUOBD-4V8/6V8-1   |   PartNumber: ECUOBD-4V8/6V8-1

Features

  • Keeps your car in full cylinder mode all the time, no more shuddering or dropping cylinders.
  • Compatible with V6 / V8 General Motors (GM) active or dynamic fuel management vehicles, includes cars, trucks, and SUVs.
  • No installation required, simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM/DFM system.
  • NOT compatible with 2019+ Silverado and Sierra models equipped with 5.3L / 6.2L motors and 10-speed transmissions.
  • Will not reprogrammed the factory ECU.
  • See more on Amazon...

No Installation Required, Simply Plug Into Your Onboard Obd-Ii Port And It Instantly Begins Working To Eliminate The Afm/Dfm System..
Will Not Reprogrammed The Factory Ecu..
Not Compatible With 2019+ Silverado And Sierra Models Equipped With 5.3L / 6.2L Motors And 10-Speed Transmissions..
Compatible With V6 / V8 General Motors (Gm) Active Or Dynamic Fuel Management Vehicles, Includes Cars, Trucks, And Suvs..

Brand: ECUOBD

Amazon Price: $49.99 | as of 05/27/2024 (9:32am pst) *DETAILS
Availability: In Stock
List Price: $65.99

See On Amazon




  #10

HHQ AFM Disabler 2022 New Technology Active Fuel Management Disabler Compatible with V6 & V8 GM Motors

Asin: B0BCZMNVW3   |   Model: RA003   |   PartNumber: RA003

Features

  • AFM/DFM Disabler keeps you in full power 100% of the time. Simply plug into your onboard OBD-II port and it instantly begins working to eliminate the AFM system
  • Leaves no Trace - Unplug it to return to factory settings. This AFM Disabler does not reprogram your factory ECU. Full power delivery all the time without factory warranty concerns
  • Fits all V6 & V8 General Motors (GM) active or dynamic fuel management vehicles, includes cars, trucks & SUVs
  • Note: This AFM Disabler is not currently compatible with 2019+ 5.3L 10-speed or 6.2L 10-speed models, and keep V8 may cause excessive water temperature in some car
  • Buy with confidence - Our promise: Free return within 6 months if the AFM DFM disabler not working properly
  • See more on Amazon...

Fits All V6 & V8 General Motors (Gm) Active Or Dynamic Fuel Management Vehicles, Includes Cars, Trucks & Suvs.
Buy With Confidence - Our Promise: Free Return Within 6 Months If The Afm Dfm Disabler Not Working Properly.
Note: This Afm Disabler Is Not Currently Compatible With 2019+ 5.3L 10-Speed Or 6.2L 10-Speed Models, And Keep V8 May Cause Excessive Water Temperature In Some Car.
Leaves No Trace - Unplug It To Return To Factory Settings. This Afm Disabler Does Not Reprogram Your Factory Ecu. Full Power Delivery All The Time Without Factory Warranty Concerns.

Brand: HHQ   |   Manufacturer: HHQ Co,Ltd

Dimensions: 0.95 x 2.30 x 1.80 inches

Warranty: One year warranty

Amazon Price: $49.97 | as of 05/27/2024 (9:32am pst) *DETAILS
Availability: In Stock
List Price: $64.97

See On Amazon






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