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

$99.99
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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
    L/folding mirror motor and gear.

    Posted by jack brooks on 14th Jul 2018

    Installation instructions were complete and product worked as advertised.

  • 4
    works great but a little noisy

    Posted by john on 5th Jul 2018

    Replace parts fit perfectly. Lubed everything up and reinstalled. Works perfectly and fast. A little noisier than with the plastic gear but seems solid and will last which is the important part. The only hard part was opening the housing but that has nothing to do with these parts. Hint: I used a drill press and socket to compress the sping and rotate the retaining ring

  • 5
    Finally got to it

    Posted by Jason DeClercq on 4th Jul 2018

    Mirror motor hasn't worked since i bought the truck a year and a half ago... bought the kit 3 months ago. finally installed the kit last night with the help of the instructions on this site. worked great. i bought for both sides to save a bit down the road, i may end up changing the other side sooner than later as they now close at different rates lol. probably end up doing it before it gets cold up here in Canada

  • 5
    works better than stock

    Posted by BJ Ray on 28th Jun 2018

    the part was easy to install, and is faster than stock when opening and closing. one side went out and a purchased parts for both sides. they are a bit louder than the stock motors but that may be due to the brass gears rather than plastic. i recommend them for sure

  • 5
    Excellent Support

    Posted by Jim Knight on 24th Jun 2018

    I purchased the motor and drive gear to repair my passenger side folding mirror motor. I had a little trouble removing the mirror. I called and Paul explained the best way to remove it and even double checked to ensure I had some tape installed to prevent the mirror from falling after it released. I one some difficulty with the spring retainer removal and install but managed to check it done. This is a great kit and anyone can do it by following the detailed steps in Paul's instructions.

  • 5
    Only horse in the race!

    Posted by Dana Smallwood on 19th Jun 2018

    I recently replaced the driver's folding mirror motor & gears in my 2007 Silverado 4 door ext cab truck. About a two hour job following the video instruction. When completed, I was happy to see, not only did the mirror function flawlessly, but opened & folded in half the time of the passenger side. Bought both mirror motors & plan on replacing passenger side this week. Maybe it'll help that ole' Phillie catch up!

  • 5
    Great fix for a %%&*%&*% GM folding mirror

    Posted by WW on 18th Jun 2018

    These guys nailed it. My 2010 GMC Denali mirror would not fold. You could hear the motor whirring but no folding. I bought the prefixed gear and new motor. The instructions are very good follow closely and it will come out perfectly. I will say that there was a small thrust washer under the worm gear on the motor that the instructions do not address. Transfer it from the old one to the new one. Grinding the lugs off the lower ring is a bit of a chore but it can be done with a good grinder. Over 5 stars

  • 5
    Thanks ,Saved me a bunch of money and frustration

    Posted by Unknown on 15th Jun 2018

    Gear and motor worked just as stated in ad! Saved me $450.00 Glad there are honest people that will help you fix thing for a great price, instead of trying to rip you off !!!!! Instructions very helpful right on point!!! Thanks again Gruvenparts you are real great people!!!!

  • 5
    Mirror repair

    Posted by Doug Murdock, Murdock and Son Automotive on 15th Jun 2018

    The kits work very well. Good Instructions. We will definitly recommend this repair to all our customers with this problem.

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