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  • GruvenParts Brass Power Seat Height Adjustment Gears - Worm and Spur
  • GruvenParts Brass Power Seat Height Adjustment Gears

GM Truck BRASS Seat Height Adjustment Gears

0.50 LBS

Product Description

Click Here for the Installation Video is PROUD to release this LIFETIME WARRANTIED SOLID BRASS GEAR SET for 2007-2014 GM truck power seat height adjustment mechanisms !  This set includes 1 helical cut solid brass main gear AND a solid brass mating worm drive gear.  Do NOT just replace the spur gear, you need both the brass spur and mating brass worm gear for a bulletproof mechanism.  These gears exactly match the GM plastic versions but are many times stronger so they will not chip, strip, or break.  This is a GREAT WAY to save money AND make your GM truck seat power height adjustment mechanism BULLETPROOF!  We all know that GM will not sell these gears - instead, they make you buy an entire new power seat unit (with more plastic gears that will also soon break or strip).  Don't waste money on more plastic gears, or incomplete gear sets.  The gear set includes EVERYTHING that wears out and replaces them with SOLID BRASS GEARS - LIFETIME WARRANTIED !

The larger helical cut spur gear easily attaches to the main shaft via 24 hour cure epoxy, such as 24 hour JB weld 8265S (readily available at Home Depot, or on Amazon).  You can quickly and easily remove the remnants of the GM plastic gear using a small dremel tool then just clean the underlying shaft before application of epoxy.  The brass worm gear simply replaces the cheap plastic worm gear in the unit.

This product is sold as a set of 2 gears - (1) Brass Spur Gear and (1) Brass Worm gear.  This is enough to fix ONE (1) power height adjustment mechanism.  Please note there are TWO (2) power height adjusters on each seat - one for the seat front and 1 for the seat back.  This does not fix the power forward / aft or seat recline features.

This product fits all 2007-2014 GM Trucks with Power Seats, Including Escalade, Silverado, Avalanche, Tahoe, Suburban, Sierra, Yukon, and Denali, and likely many others.  The part numbers for the seat tracks which these gears fit into are : 22-80-44-17 (228044170, 22-80-44-18 (22804418), 22-80-44-19 (22804419), 22-80-44-20 (22804420), 20-77-91-09 (20779109), 20-77-91-10 (20779110) as well as many others.  This part number list will continually grow !


** Installation Instructions ** 

1. Access bottom of seat structure.  This is easiest by removing power seat entirely from vehicle.  Remove power seat bracket from bottom of seat bottom.

2. Remove the flexible drive shaft for the height adjustment drive box.  You can pull the drive box away from the drive shaft slightly to gain the needed clearance.  The flex drive shaft will fall out.  Please be sure to mark the drive shafts if you are replacing both height gear sets as the drive shafts are different lengths.

3. Remove the Four (4) 1/4" screws holding each height adjustment drive box together.  Remove and discard the plastic worm gear.  Position the main spiral shaft with over-molded plastic spur gear such that the plastic spur gear can be cut off using a dremel wheel or similar.

4. Cut across the width of the plastic spur gear.  Its OK to cut slightly into the underlying steel shaft.  Wear eye protection !  Remove the old plastic spur gear and clean off the underlying steel shaft.

5. Using a 24 hour epoxy such as JB Weld 8265S, thoroughly coat the steel underlying shaft.  Slowly thread on the new brass spur gear, wiping away any excess JB weld.  Once the JB weld dries, it is extremely hard to remove so clean any excess epoxy.  Position the new brass gear such that the metallic washer recess is facing the spirals, just like the OEM layout.  There should be about .050" of main shaft exposed (not including shaft ball end) once new brass gear is installed.  You can also look at the OTHER height mechanism and measure its gear placement.

6. Allow epoxy to fully cure per manufacturers instructions. 

7 Reassembly is reverse of removal.       

Product Reviews

Showing reviews 1-10 of 53 | Next

  1. Part works! 5 Star Review

    Posted by on 22nd Jan 2023

    Shipping was quick and part as promised.great quality. Kind of a hassle to install but cheaper than the dealer. Thanks

  2. Perfect Solution 5 Star Review

    Posted by on 7th Dec 2022

    I purchased this part to replace the non-functioning factory gear on my 2007 Suburban 1500 LT. Driver seat would no longer adjust. The gear was a perfect fit and "easy" to install. A bit of a pain to get the seat out, etc., but that is GM not Gruven. Any way the seat now functions as it should.

  3. Fits & Works 5 Star Review

    Posted by on 14th Nov 2022

    As advertised, works better than OEM!!

  4. Didn't know this part even existed 5 Star Review

    Posted by on 12th Nov 2022

    Went to the dealership they tried to sell me the whole bracket underneath the sheet for $600 So I got on the computer found the part Better than the original.


    Good. And the dealer knows about us, and could offer to sell just the gear but wont. Glad you found us and didnt reward the dealer for that sort of practice !

  5. Top notch quality, best replacement for nylon/plastic GM gears. Fast shipping! 5 Star Review

    Posted by on 10th Nov 2022

    I've now bought 2 sets of these gears to fix the up/down motion of my 2012 Chevy Avalanche driver's seat. GM SHOULD have made them like this originally, but were apparently trying to save money and make as many of their parts out of plastic as possible--especially in the early to late 2000s.

    These gears are top notch quality. A huge upgrade that I won't have to worry about getting stripped out again.

    The shipping was super fast. Both sets were shipped within hours of ordering and showed up quickly.

    Thanks again!

  6. Great Product 5 Star Review

    Posted by on 18th Oct 2022

    Solid brass well machined Followed video for instilation My application up/down on seat 2012 silverado Works great!!

  7. Happy Customer 4 Star Review

    Posted by on 15th Oct 2022

    Happy with purchase were good products

  8. Worked great and saved me a ton of money 5 Star Review

    Posted by on 7th Oct 2022

    We purchased 2 sets of these gears for our 2012 Silverado. They worked well and our seat works great now. The dealer wanted $1,000+ to replace just the seat bottom. No thank you. We a bit of time you can save yourself a ton of money. I do wish there were written instructions with these gears though. Written and illustrated instructions would make a huge difference. Shipping is very fast and gears are well made.

  9. GM electric seat gear 5 Star Review

    Posted by on 5th Sep 2022

    Just as described watch video and you will be up and running and love it

  10. brass spiral gear 5 Star Review

    Posted by on 30th Aug 2022

    The gears are brass and good quality. once you get to them there Easy to install and fit quite nicely. Perfect for replacing the original plastic ones that comes with the vehicle.

Showing reviews 1-10 of 53 | Next

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