TOPDON AFM Plug-In OBD-II Module for Compatible GM V6 & V8 Vehicles
TOPDON AFM Plug-In OBD-II Module for Compatible GM V6 & V8 Vehicles
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TOPDON

TOPDON AFM Plug-In OBD-II Module for Compatible GM V6 & V8 Vehicles

|7 ratings

Key item features

  • Designed for compatible GM gasoline V6 and V8 vehicles equipped with Active Fuel Management (AFM)
  • Plug-and-play installation through the vehicle's OBD-II diagnostic port
  • No cutting, wiring, or permanent modifications required
  • Compact design for discreet installation
  • Automotive-grade construction for long-term durability
  • Easily removable at any time
  • Includes installation instructions
  • Backed by TOPDON customer support

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Customer ratings & reviews

4.9 out of 5 stars
stars
7 ratings7 reviews
How item rating is calculated
  1. 5 stars86% (6)
  2. 4 stars14% (1)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star0% (0)
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Showing 1-3 of 7 reviews

Jul 13, 2026
Reviewer name: Steve W.
Sold byTOPDON USA Inc
5 out of 5 stars
5 out of 5 stars review

Cylinder deactivation

Works as advertised. Now i can stop worrying about premature engine failure. I monitored my cylinder status before i plugged this device in. I was shocked to see how many times the engine switched from v8 to v4, even on short trips. No more, v8 all the time now.

Review from topdon.us
Helpful?6UN4AC087OG820770505374
Jul 28, 2026
Reviewer name: John R.
Sold byTOPDON USA Inc
5 out of 5 stars
5 out of 5 stars review

So far so good

Put on truck and I have a true V8 now as advertised. Thanks

Review from topdon.us
Helpful?6UN4AC087OG820770505374
Jul 19, 2026
Reviewer name: Randy G.
Sold byTOPDON USA Inc
5 out of 5 stars
5 out of 5 stars review

Buy

I noticed how my motor ran smoother,and I had better power

Review from topdon.us
Helpful?6UN4AC087OG820770505374
Current price is $89.99
Price when purchased online
  • Free shipping
  • Free 30-day returns

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Sold and shipped by TOPDON USA
4.958333333333333 out of 5 stars
4.958333333333333 stars out of 5, based on 24 seller reviews(5.0)
Free 30-day returns