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GruvenParts.com Strengthened Spur Gear for 2007+ GM Trucks Folding Mirror Assembly

$99.99
(639 reviews) Write a Review
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Description

GM Power Folding Mirror Repair Kit (Billet Steel)

Stop replacing $1,000 mirrors with the same flawed parts. The factory power-folding mirrors on GM trucks and SUVs fail because of a single, inexpensive plastic gear. When that gear cracks, dealers charge upwards of $700–$1,200 for a full mirror assembly that carries the exact same defect.

GruvenParts.com provides a permanent, engineered solution: high-strength Billet Steel gears and high-torque motors designed to outlast the vehicle.

The Engineering Gap: OEM Failure vs. GruvenParts Solution

Feature

 

OEM Factory Unit / Boost Auto

 

GruvenParts Billet Solution

Gear Material

 

Thin, fragile plastic spur gear.

 

High-strength Billet Steel (integral spiral shaft).

Failure Mode

 

Fatigue cracking from age or minor impact.

 

Virtually indestructible; tested to 5,000+ cycles.

Motor Specs

 

Low-torque; prone to burnout.

 

High-torque custom motor for smooth operation.

Grounding

 

Externally grounded (Incompatible with metal).

 

Internally grounded to prevent BCM short circuits.

Cost

 

$700 - $1,200 (Full assembly).

 

Under $100 (DIY Gear/Motor Kit).

Critical Technical Note: Why the Motor Matters

You cannot simply install a metal gear onto the factory GM motor. The OEM motor circuit is not designed for a conductive metal gear; attempting to "mix and match" will short out your Body Control Module (BCM). Every GruvenParts kit includes our custom-engineered, internally grounded motor to ensure electrical safety and increased torque.

Choosing Your Repair Path

Path 1: DIY Gear & Motor Kit The most cost-effective choice for those comfortable with a workbench repair.

  • Includes: 1 or 2 Billet Steel Gears and High-Torque Motors.
  • Best For: Owners looking for a permanent fix at the lowest price point.
  • Compatibility: Fits 2007–Present GM Non-Tow Mirrors (Silverado, Sierra, Tahoe, Yukon, Suburban, Acadia, Traverse, Enclave, Escalade).

Path 2: Pre-Assembled Drive Unit (Core Exchange)

Skip the internal assembly and swap the entire drive unit.

  • Includes: A fully rebuilt motor drive unit with the steel gear and motor already installed and tested.
  • Process: Requires a $30 core deposit. Send us your rebuildable old unit to receive your refund.
  • Note: Due to high demand and core availability, lead times can vary (approx. 4–6 weeks). For the fastest turnaround, you may send your unit in for a same-day rebuild.

Application & Fitment

This kit is designed for Standard (Non-Towing) Power Folding Mirrors on the following 2007–Present models:

  • Chevy: Silverado, Tahoe, Suburban, Avalanche, Traverse.
  • GMC: Sierra, Yukon, Denali, Acadia.
  • Cadillac/Buick: Escalade, Enclave.

Warranty: This product carries a Limited Lifetime Warranty. If the gear or motor fails under normal operating conditions, we will replace it free of charge—you only pay shipping.

Installation & DIY Support Library

We’ve documented the repair process across all compatible GM generations. Select the guide below that matches your vehicle's year and model.

2007–2013 Trucks & SUVs (and 2014 Tahoe/Suburban)

Includes Silverado, Sierra, Tahoe, Suburban, Yukon, and Escalade.

  • Video Walkthrough – Watch the full step-by-step disassembly and gear replacement.
  • PDF Guide – Downloadable instructions for your workbench.

2014–2018 Silverado & Sierra

Note: These models use updated plastics in the mirror frame, but the internal drive unit remains compatible.

2015–2019 Tahoe, Suburban & Yukon

GMC Acadia, Chevy Traverse, Saturn Outlook

Expert Installation Tips & FAQ

To ensure a successful repair and protect your vehicle's electronics, please review these critical requirements before beginning your installation:

  • The "No-Mix" Rule (Electrical Safety): Never attempt to install the Billet Steel gear using the original OEM motor. The factory motor is externally grounded; using it with a metal gear will create a short circuit and permanently damage your Body Control Module (BCM). You must use the internally grounded motor provided in our kits.
  • Mirror Type Verification: These parts are specifically engineered for Standard (Non-Tow) Mirrors. If your mirror extends outward for towing, these gears will not fit. Click here for our Towing Mirror Gear Page.
  • 2014+ Pickup Differences: If you own a 2014 or newer Silverado/Sierra, the mirror frame plastics differ from earlier generations. While the internal drive unit is identical, the housing disassembly requires a slightly different approach. Please refer specifically to our 2014-2018 PDF Guide.
  • The "Core" Condition (Option 2): If purchasing the pre-assembled drive unit, your returned "core" must be in rebuildable condition. We can only accept units where the motor or spur gear is the point of failure. If the main plastic housing or frame of your drive unit is physically shattered, it cannot be rebuilt or refunded.
  • Tool Tip: We recommend having a basic set of trim removal tools and a small socket set. Take photos during disassembly to ensure wire routing remains clear for the re-install.

**** NEED SPARE POWER FOLDING NON-TOW MIRROR PARTS ? PLEASE CLICK HERE FOR THE SPARE PARTS PAGE ****

639 Reviews

  • 5
    AWESOME Instructions - very detailed !

    Posted by Colin on 10th Nov 2019

    It took some time to do the first one; had to redo after re-installation - had some play in mirror (inadvertently offset the inner spline gear from collar) . Second one went very smoothly and much quicker. Found a easy trick to press off the lock washer - used my drill press, simply centered the square top of 1" socket in the chuck triple splines and with gentle, controlled pressure, then used channel lock plyers to turn spring/washer and ... voila !!! -- response -- Thanks Colin, and yes any sort of press works great. I use the small table arbor press from harbor freight and its perfect (and cheap). You can also squeeze oranges when you are done :) Seriously - be safe with this step, wear eye protection, and if you are at all unsure about the stability of the spring and retainer, go ahead and run some wire around the spring to contain it in the event and not let if fly out if something were to slip off. I know alot of people are using the 1" PVC pipe length to just lean on it and compress/turn in the field and that s fine but take precautions as its a heavy spring. Eye protection is essential and wire tire the spring if unsure. Paul@gruvenparts.com

  • 4
    chevy truck mirror

    Posted by Richard Essik on 6th Nov 2019

    I purchased the motor and gear for my truck mirror. A slight problem with the gear was addressed by the company. Without the excellent repair direction's I'm not sure I could have completed the repair. With the new parts the mirror works better and faster than the original.

  • 5
    Amazing How to Video

    Posted by PATRICK FRANKS on 5th Nov 2019

    Part worked excellent, The video was Amazing, Just the right amount of detail for DIY Thanks!

  • 5
    Works Great

    Posted by Unknown on 4th Nov 2019

    This was the perfect option for repairing the folding mirror on my father’s 09 GMC Sierra.

  • 5
    Mirrors fixed

    Posted by mike vance on 4th Nov 2019

    Can’t say enough good things about it. It works great and the instructions were easy to follow.

  • 5
    Mirror motor and shaft

    Posted by Unknown on 1st Nov 2019

    I bought the new motor and shaft with brass gear already assembled, fit perfectly. I watched the youtube video, it gives you all the information you need to remove and install the mirror assembly.

  • 5
    GRUVENPARTS.COM STRENGTHENED SPUR GEAR FOR 2007-2014 GM TRUCKS FOLDING MIRROR ASSEMBLY

    Posted by Unknown on 29th Oct 2019

    Instructions were great as were the parts. I had no problems installing the parts myself

  • 5
    Works awesome

    Posted by Unknown on 27th Oct 2019

    I bought the unit already put together and super easy to install. Works quicker and smoother than original installed.

  • 5
    mirrors

    Posted by mark buzza on 24th Oct 2019

    very fast on getting parts hear went in fast

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