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 

Fitment check

Will it fit my vehicle?

Select your vehicle and we’ll match it to the AurenceX™ product that fits.

Not sure? Contact support before ordering.

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AurenceX™ AFM/DFM Disabler

AurenceX™ AFM/DFM Disabler

$69.99
$69.99 $167.98
SAVE 58% Sold out
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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.

Kevin M.
 

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

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.

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

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 6-8 business days depending on your location.

📩 support@aurencex.com

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PREMIUM QUALITY

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PREMIUM QUALITY

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PREMIUM QUALITY

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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

Not sure if your vehicle is compatible?
Contact us with your year and model — we'll confirm for free.

Trusted by Over 30,000 Drivers Worldwide 

    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.
    🏷️
    $69.99
    |
    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 ✓ $69.99 $25 – $45 $600 – $1,100PARTS + 10+ HRS LABOR ✕ $3,800 – $7,200PARTS + 10+ HRS LABOR
    INSTALL TIME ✓ 60 seconds ~5 minutes ✕ 2–4 hoursTUNER REQUIRED ✕ 2–4 daysSHOP TIME
    COVERS AFM + DFM ✓ Both, auto-detect ✕ AFM only · 2013– ✓ Both ✓ Both
    THROWS DRL / CODES? ✓ No ✕ Often, on 2014+ ✓ No, if tuned right ✓ No
    VOID IN WARRANTY? ✓ No · reversible Gray area ✕ Yes · ECM flashed ✕ Yes · engine opened
    REVERSIBLE AT TRADE-IN ✓ Unplug, done ✓ Yes Re-flash required ✕ Permanent
    SUPPORT IF IT FAILS ✓ Lifetime · ASE tech ✕ None Tuner-dependent Shop warranty (1–2 yr)

    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
    ~$69.99
    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

     What Truck Owners Are Saying 

    • 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 

      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.

      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.

      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.

      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.

      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.

      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.

      Stop AFM Damage Before It Starts

      $69.99 now or $5,000+ later. Protect your GM engine with a 10-second plug-in — no tools, no mechanic, no ECU changes.

      Fast Shipping Easy Returns 9,000+ Sold