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 4.8 Rated by 30,000+ GM Owners

AurenceX™ AFM/DFM Disabler

AurenceX™ AFM/DFM Disabler

Below 22 psi of oil pressure, the AFM lifter's locking pin slips and thefailure begins. AurenceX holds all eight lifters above that line, everydrive, so it never starts. Plugs into your OBD-Il port in 60 seconds. No tuner, no battery drain, no thrown codes.

 

check_circle 10-second plug & play — no tools needed

check_circle Prevents lifter failure & engine shudder

check_circle Zero ECU modifications — fully reversible

check_circle Full V8 power locked 24/7

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AurenceX™ AFM/DFM Disabler

AurenceX™ AFM/DFM Disabler

Regular price $59.99
Regular price $59.99 Sale price $167.98
SAVE 64% Sold out
  • files/DM_20260716122500_001.jpg

    I was fed up with my Tahoe constantly switching between V4 and V8 modes—it felt really awkward. So, I decided to give this product a try, and it works exactly as advertised. There’s no more throttle lag, and the driving experience is much smoother. Plus, the installation took only about 10 seconds.

    Jason R.
  • files/DM_20260716122500_002.jpg

    My 2016 Silverado (5.3L engine) had been plagued by an annoying shudder for months—it was particularly noticeable when cruising at speeds between 40 and 50 mph. After installing this device, the shudder vanished immediately. Now, the truck drives much more smoothly, and the power delivery is far more consistent.

    Kevin M.
  • files/DM_20260716122500_003.jpg

    I bought this for my Sierra primarily to prevent potential future lifter issues. While I didn't expect a massive transformation, the truck's ride quality during cruising has indeed become smoother. Installation was simple—plug-and-play—yet the improvement is clearly noticeable.

    Sean P.

    Why Choose AurenceX™

    Engineered For Full-Cylinder Performance
    Keeps your engine running smoothly

    Plug & Play Design, No Setup Required
    Works instantly with no tools

    Fully Safe For Your ECU And Warranty
    Operates without interference or risk

    Supports Long-Term Engine Performance
    Maintains smooth, consistent power

    Trusted By 30,000+ Drivers Worldwide
    Chosen for reliable performance

    How to Use

    1. Locate Your OBD-II Port
    Find it under your dashboard on the driver’s side.

    2. Plug In The Device
    Insert it into the port. No tools or setup required.

    3. Start Your Vehicle
    The device activates automatically and begins working instantly.

    4. Drive With Full Performance
    Enjoy smoother, more consistent power with no engine shudder.

    Shipping & Delivery

    Shipping & Delivery

    We provide insured and tracked shipping for every order. You’ll receive a tracking number via email as soon as your order is on the way.

    Orders are processed within 2–3 business days. Once shipped, delivery typically takes 5–15 business days depending on your location.

    📩 support@aurencex.com

    Our Guarantee

    We’re confident your engine runs smoother and more consistent with AurenceX™, which is why we offer a 60-day money-back guarantee. Drive with confidence, or get a full refund.

    📩 support@aurencex.com

    View full details

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    Does It Fit Your Vehicle?

    2025 upgraded version — fits 80+ GM models across Chevy, GMC, Cadillac, Buick, Pontiac, Holden, and more

    Chevrolet  29 models
    Chevrolet compatible vehicles 1 Chevrolet compatible vehicles 2 Chevrolet compatible vehicles 3
    GMC  13 models
    GMC compatible vehicles
    Cadillac  12 models
    Cadillac compatible vehicles
    Buick  7 models
    Buick compatible vehicles
    Pontiac  9 models
    Pontiac compatible vehicles
    Holden  10 models
    Holden compatible vehicles
    Saab, Saturn, Isuzu & Suzuki  8 models
    Saab Saturn Isuzu Suzuki compatible vehicles

    Get The Reliable Performance You Paid For

    Prevent catastrophic lifter failure and expensive repairs. This simple solution restores smooth V8 power and protects your engine without voiding your warranty.

    check_circle Avoid $5,000+ engine repairs and lifter failure.

    check_circle Experience smooth power without the annoying shudder

    check_circle Protect your resale value with 100% reversibility.

    Lifter Failure

    The constant switching between V8 and V4 mode wears down your lifters prematurely. LT engines are notorious for this — it's not a matter of if, but when.

    Engine Shudder

    Feel that rough vibration when your truck shifts to 4-cylinder mode? That shudder isn't normal driving — it's your engine under stress every single time it cycles down.
    $

    $5,000+ Engine Repair

    When lifters fail, you're looking at a full engine teardown or replacement. Truck owners pay thousands — or junk the engine entirely for $300 at a salvage yard.
    🏷️
    $59.99
    |
    Cheap insurance vs.
    a $5,000+ engine replacement

      Install in 10 Seconds — No Tools Required

      Plug it in. Green light blinks. You're protected. That's it.

      1
      Find OBD-II Port

      Find Your OBD-II Port

      Located under your dashboard on the driver's side. It's a standard 16-pin port — every GM truck and SUV has one.

      2
      Plug In Disabler

      Plug In the Aurencex™ Disabler

      Line it up with the port and push it in. No wiring, no programming, no professional skills needed.

      3
      Green Light Confirmation

      Green Light = Full V8 Protection

      The green LED blinks to confirm it's active. Your engine is now locked in full-cylinder V8 mode — no more V4 drops, no more shudder, no more lifter stress.

      4
      Drive With Confidence

      Drive With Confidence

      Keep it plugged in and forget about it. Your V8 stays a V8 — on hills, on highways, everywhere. Unplug anytime to return to factory settings instantly.

      OFF
      ON
      OFF
      ON
      ON
      OFF
      ON
      OFF

      FACTORY · AFM ACTIVE · 4 OF 8 CYLINDERS DEACTIVATED

      ON
      ON
      ON
      ON
      ON
      ON
      ON
      ON

      WITH AurenceX · ALL 8 FIRING · ZERO LIFTER CYCLING

      Hold all 8 lifters above the 22 psi line.

      AurenceX blocks the command the ECM sends to deactivate cylinders, so the AFM lifters never cycle and oil pressure never drops below the line. The locking pin never slips. The camshaft never gets scored.

      It's the same principle a $1,500 dealer 'AFM delete' kit uses, except you don't pull the engine, and you don't pay for new lifters, valley plates, gaskets, or 20 hours of shop labor.

      What you'd actually compare us to — straight.

      If you're shopping AFM solutions, these are your four choices. We're not the cheapest. We're the one you keep installed for the life of the truck.

      // AFM_DEFEAT_SOLUTIONS · COMPARISON MATRIX ● UPDATED MAY 2026
      COMPARE ON RECOMMENDED AurenceX™ ELY-7100 · SKU-11 $30 Amazon Resistor GENERIC WORKAROUND Custom ECM Tune NO TUNER / HP LIVE OEM 'AFM Delete' Kit DEALER OR SHOP LABOR
      ALL-IN PRICE $25 – $45 $600 – $1,100PARTS + 10+ HRS LABOR ✕ $3,800 – $7,200PARTS + 10+ HRS LABOR
      INSTALL TIME ~5 minutes 2–4 hoursTUNER REQUIRED 2–4 daysSHOP TIME
      COVERS AFM + DFM AFM only · 2013– Both Both
      THROWS DRL / CODES? Often, on 2014+ No, if tuned right No
      VOID IN WARRANTY? Gray area Yes · ECM flashed Yes · engine opened
      REVERSIBLE AT TRADE-IN Yes Re-flash required Permanent
      SUPPORT IF IT FAILS None Tuner-dependent Shop warranty (1–2 yr)

      Smooth & Consistent Power on Every Drive

      No more shuddering, hesitation, or gear hunting when you cruise. The moment you press the pedal, it responds with smooth, reliable power without delay.

      Aurencex™ vs. Mechanical AFM Delete Kits

      Same protection. A fraction of the cost and hassle.

      Aurencex™
      Delete Kits
      Plug into OBD-II port — done in 10 seconds
      Complex installation requires a shop
      No engine disassembly
      Requires full engine teardown
      Unplug to restore factory — leaves no trace
      Permanent — can't undo without more labor
      Zero ECU modifications
      ECU reprogramming may void warranty
      ~$59.99
      One-time cost
      $1,500–$3,000+
      Parts + labor

      Why 30,000 Truck Owners Trust Aurencex™ Disabler

      The simplest way to protect your GM V6/V8 engine from AFM/DFM damage.

      Full V8 Power icon

      Full V8 Power, 24/7

      Locks your engine in full-cylinder mode at all times. No more random V4 drops on hills, highways, or at idle. All 8 cylinders firing, always.

      Prevents Lifter Failure icon

      Prevents Lifter Failure

      Stops the constant cylinder cycling that destroys lifters on LT engines. Prolong your engine's life — or avoid catastrophic failure completely.

      100% Safe icon

      100% Safe — Zero ECU Changes

      Never touches your factory computer programming. Unplug it anytime to return to stock settings instantly. No trace, no risk.

      Smoother Ride icon

      Smoother Ride, Better Sound

      Eliminates the shudder and rough vibration caused by cylinder deactivation. Enjoy consistent acceleration and a fuller exhaust note.

      2025 Upgraded Compatibility icon

      2025 Upgraded Compatibility

      Works with Silverado, Sierra, Tahoe, Yukon, Suburban, Escalade, Camaro, Corvette, and dozens more GM V6/V8 models from 2004–2022.

      🛡 Protect Your Engine
      🔧 Install in Seconds
      $ Save Thousands
      🚗 Keep Your Truck Strong

      Join 8,000+ GM owners who protect their engines with Aurencex™ Disabler.

      • No issues, no codes. Does what it’s supposed to. Easy to install and take off if needed. Throttle feels a bit better and mileage didn’t change. Worth it.

        Kevin S. ✓ Verified Buyer

      • Truck feels stronger, shifts smoother, and no hesitation when towing. Been running it for a while with no issues.

        Ryan K. ✓ Verified Buyer

      • Glad I picked it up. No problems so far. Used to get in and mess with settings, now I just get in and drive.

        Daniel M. ✓ Verified Buyer

      • After dealing with lifter issues around 100k miles, I didn’t want to risk it again. Put this on my 2015 Silverado and it’s been running smoother since.

        Marcus L. ✓ Verified Buyer

        Everything you need to know before you buy.

        Frequently Asked Questions

        Will this damage my truck or modify the ECU?

        Absolutely not. The Aurencex™ disabler never changes your original ECU programming. It's 100% safe for your vehicle. Simply unplug it and your truck returns to factory default settings instantly — no trace, no changes.

        How do I install it? Do I need tools or a mechanic?

        No tools and no mechanic needed. Find your OBD-II port under the dashboard, plug the device in, and wait for the green light to blink. The entire install takes about 10 seconds.

        What does it actually do for my engine?

        It keeps your engine running in full V6/V8 mode at all times by disabling the AFM/DFM cylinder deactivation system. This prevents the constant V8-to-V4 cycling that causes lifter wear, engine shudder, and rough acceleration. You get full power, smoother driving, and long-term engine protection.

        Is it compatible with my vehicle?

        The 2025 upgraded version fits most GM V6/V8 vehicles with AFM or DFM — including Silverado, Sierra, Tahoe, Yukon, Suburban, Escalade, Camaro, Corvette, Colorado, Canyon, and many Buick, Cadillac, and Pontiac models from 2004–2022. Check the compatibility list above or contact us with your year and model.

        Do I need to keep it plugged in while driving?

        Yes — keep it plugged into the OBD-II port to maintain full-cylinder mode. It doesn't draw extra power from your vehicle. Think of it as set-it-and-forget-it protection.

        Will this damage my truck or modify the ECU?

        We offer a 100% satisfaction guarantee. If you have any quality issues or aren't happy with the product, contact us anytime for a full refund or free exchange. No hassle, no questions.

        Satisfaction Guarantee icon

        100% Satisfaction Guarantee

        If you're not completely happy with your AurenceX™ AFM Disabler, contact us anytime for a full refund or free exchange. No hassle, no questions asked. We stand behind every unit we sell.

        Stop AFM Damage Before It Starts

        $59.99 now or $5,000+ later. Protect your GM engine with a 10-second plug-in — no tools, no mechanic, no ECU changes.

        Free Shipping Easy Returns 9,000+ Sold
        • 5 stars: 52 (91%)
        • 4 stars: 2 (4%)
        • 3 stars: 1 (2%)
        • 2 stars: 0 (0%)
        • 1 star: 2 (4%)
        A
        Anonymous

        Très satisfait. Excellent produit. Fait exactement le travail. Mon camion GMC 2015 avec moteur 5.3 reste toujours à V 8 meilleures consommation, accélération, vitesse régulière. Très content de mon achat.

        P
        Preston W.

        Been using this on my Silverado for a couple weeks now and I can definitely tell the difference. The truck feels more stable, especially at constant speeds where it used to feel a bit uneven. No warning lights or issues at all, just a smoother and more comfortable driving experience. Simple product that actually does what it claims.

        D
        Dominic A.

        I wasn't planning to buy anything like this, but after reading about long-term engine wear I decided to give it a try. After installing it on my Yukon, the engine feels more consistent and the drive is smoother overall. Nothing complicated, just plug it in and forget about it. For me, it's worth it just for the peace of mind.

        K
        Kyle N.

        Bought this for my 2014 Sierra after reading about common AFM complaints. Even though my truck wasn't that bad, I can tell the difference now. It just feels more stable and predictable when driving, especially at steady speeds.

        B
        Ben K.

        Didn't want to mess with tuning or anything complicated, so this was a good option. Plugged it in and immediately noticed smoother driving. No issues so far after a couple weeks, and?everything feels more consistent behind the wheel.

        M
        Marcus H.

        Got this mainly because I plan to keep my Yukon long term and wanted to avoid future issues. After installing, I noticed the driving feel is smoother, especially when maintaining speed. Its not dramatic, but it makes the truck feel more refined overall.

        S
        Scott R.

        I drive a lot for work and the small vibrations started to get annoying over time. This fixed that for me. The truck feels more comfortable now on long drives and I don't notice those little interruptions anymore.

        A
        Aaron W.

        I’ve had my Tahoe for a few years and always noticed something felt slightly off when the engine switched modes. After using this, that feeling is completely gone. The truck just runs the same all the time now, which I actually prefer.

        D
        Dylan P.?

        I wasn’t expecting a huge difference, but after a few days of driving I can tell the engine behavior is much more consistent. No more random transitions or slight shaking at certain speeds. It just feels more solid. Definitely worth it if those little things bother you like they did me.

        T
        Trevor M.?

        My Sierra always had this subtle hesitation when lightly accelerating, nothing major but annoying once you notice it. Installed this and that feeling is gone now. The truck just drives smoother overall, especially on longer trips. Super simple setup and no warning lights at all.

        C
        Colin S.

        I bought this after reading about AFM issues and didn’t want to deal with expensive repairs later on. My 2017 Tahoe didn’t have major problems yet, but I could feel small inconsistencies when cruising. Since installing it, everything feels steady and more natural. It’s one of those things you don’t realize you need until you try it.

        N
        Nate J.

        Been driving my 2015 Silverado daily and the constant switching used to make it feel kind of off, especially in traffic. After plugging this in, the whole drive feels way more stable and predictable. It's not some crazy power boost, just smoother and more consistent, which is exactly what I wanted. Took seconds to install and I haven't touched it since.

        O
        Owen H.

        I��ve tried a few small upgrades on my Tahoe and this is one of the easiest. Took seconds to install and the driving feel is noticeably smoother, especially during normal daily driving.

        M
        Mason T.

        This doesn't completely change the truck, but it definitely improves the overall feel. Everything is smoother and more predictable now. For such an easy install, it's worth it.

        T
        Travis E.?

        My Sierra used to feel a bit uneven when holding a steady speed, especially on the highway. After installing this, it feels much more consistent and easier to drive smoothly.

        C
        Cody G.

        Got this mostly for peace of mind and ended up liking the smoother drive as well. The truck feels more stable overall and doesn't have that slight inconsistency it used to.

        J
        Jordan F.

        Been using it for about a month now and everything has been solid. No error codes, no issues, just a smoother driving experience. It's one of those set it and forget it products.

        L
        Luke D.

        My Yukon had a very slight vibration that the dealer said was normal, but it still bothered me. After installing this, that feeling is gone. The drive feels cleaner and more consistent now.

        C
        Chris

        Still haven't received my order

        J
        John King

        I'm hoping it's working as advertised -- but with electronics, computers etc. how does one actually know.
        Thanks

        P
        Perry Lawrence

        Good product at a good price.

        A
        Anonymous

        It works great!

        D
        Doug

        So far so good...

        J
        John Occhialini

        The l8ghts on the modual only shows two lights when car is in motion im not sure if it works but I do notice smoother acceleration

        C
        Chris

        It doesn’t work

        P
        Patrick Hobbs

        Works great thank you 😊

        A
        Anonymous

        Nice