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Product Description
Click Here for the Installation Video
GruvenParts.com 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 GruvenParts.com 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, Denali, DTS 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
Previous | Showing reviews 51-60 of 64 | Next
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Great Upgrade to Failed Factory Gears
Posted by Rodney V. on 16th May 2020
Very excited about the quality of the parts. I did have to file the shaft down a little so the gear would fit. The youtube video was helpful but the location of the gear was not clear from my recollection. The video said 5 thousandth's however the video of the calipers was 0.05 which is 50 thousandths, so I winged it. Would have been 5 stars if there were better instructions on the installation of the gears but overall very happy with the parts
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EXCELLENT PRODUCT
Posted by RON HOUSER on 27th Feb 2020
I BOUGHT A SET OF THESE SEAT GEARS AND WAS REALLY PLEASED WITH THE PRICE. I LOOKED AT PLASTIC GEARS ON E-BAY AND THEY WERE ONLY $4.00 CHEAPER. IF I HAD BOUGHT THE PLASTIC ONES, I WOULD PROBABLY BE REPAIRING THE SEAT AGAIN IN THE NEAR FUTURE. WITH THESE BRASS GEARS I DON'T NEED TO WORRY ABOUT EVER REPLACEING THEM AGAIN. THERE IS ONE THING I WOULD RECOMMEND, I DID NOT GET ANY INSTRUCTIONS AT ALL. AND THERE SHOULD BE A BREAK DOWN DIAGRAM OF THE LITTLE GEAR BOX SHOWING WHERE EVERYTHING IT SHOULD BE PLACED. MAYBYE THEY JUST FORGOT TO PACKAGE MY INSTRUCTIONS THANKS RON
-- response --
Thanks Ron ! The instructions are printed on the product page, we are also adding a video today, so you will have lots of resources now for instructions. Glad you found us ! The brass gear set includes both the spur and worm gears, both hardened gear brass. I know others sell the cheap plastic ones, or some just sell the spur gear but leave the driving worm gear plastic, which makes no sense. The plastic gears are obviously NOT up to the task of moving the seat around. Stay tuned for more products like this, we are working on metal fwd/aft gear sets too !
Paul@GruvenParts.com
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High quality parts!
Posted by Unknown on 30th Dec 2019
I was impressed with the gears. Exact size as OEM. Fits really nice. I decided to scrap the jb weld idea tho, as that just seems like a shitty way to secure them. Use spring pins instead. Worked great after I got them all together. Customer is very happy. Will definitely order more.
-- Response --
Thanks for the review, and spring pins will also work. But please note, the 24 hour JB weld has an excellent shear strength once fully cured. It does a great job on this for field repairs and should be considered if you dont have access to a drill press/spring pins. We have fully tested it, you cannot break the bond strength unless you put a torch to it once its cured.
Paul@GruvenParts.com
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Great product but......
Posted by Jeff Moehr on 20th Dec 2019
These gears are great, they will last a lifetime. The only thing to make them better would be to give some kind of instructions with the package. This is not a job for the do it your selfers, If you do not have a mechanical understanding of how things work I would not advise it
Other than that great product, I'm looking forward to the new products.
-- Response --
Jeff, there are instructions posted on the website product page, but I understand a video would be even better. Its a great suggestion and we are doing that now, it should be ready soon and the link will also be posted up on the website.
This product is absolutely meant for the DIY'er, its the whole point of this product. Replace cheap plastic gears that you would have to buy an entire $500 seat base to get, and upgrade to metal gears at a fraction of the cost. Its a perfect DIY job. As always you can call or email me directly for any help, I will be happy to walk you thru installation. Its not that bad and so worth NOT ever having to do this again !
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GM sear gears
Posted by Dennis B. on 20th Dec 2019
Product is very well machined. Certainly a great cost alternative to replacing the entire bottom seat track. Had to replace both gears on both front driver and front passenger seats (4 gears total). Two new seat tracks would have been $1,400 installed, but this whole project only cost a couple hundred $’s. Thanks for making better than OEM parts replacements.
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Brass gears for GM power seats 2010 Avalanche
Posted by Michael on 16th Dec 2019
I recommend these replacement gears to anyone having trouble with broken or striped GM power seat gears. I saved $600 by replacing mine, did it myself no problems and I’d never worked on any type power seats. Only takes a couple hours (not counting drying time for E-proxy) They work great and will last from now on. Very Happy with this purchase.l had a question about the gear orientation and Paul e-mailed me the answer that afternoon,Thanks Paul couldn’t have asked for better parts or service.
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Brass Gears for 2010 Suburban
Posted by Paul Verga on 5th Dec 2019
GM should have used these from the beginning but we all know how cheap car makers are. The best alternative to plastic gears. Have being an auto tech for 20 years these replacement gears are great. Follow the directions and let the JB Weld cure, reassemble & enjoy the repaired product. I would order them again in a heart beat if any of the other seat transmission gears break. Thanks for a great product.
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2010 silverado power seat height repair
Posted by Dave on 11th Nov 2019
An excellent product to replace faulty plastic gears that GM used in there power seats. I wanted to install 2 kits in front and rear height adjusters since I was taking the seat assembly out anyway. Very glad I ordered the extra kit as the 2nd height adjuster was starting to fail also. I was able to install the kits fairly easy but for the novice installer a step by step instruction sheet and a lube packet included with the kit would be a necessity I would think. All in all a two thumbs up product made from brass and far superior to the cheap plastic gears available. Great job Guys!
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2010 Tahoe Driver's Seat Gear
Posted by Unknown on 23rd Jun 2019
GM Truck BRASS Seat Height Adjustment Gears worked just like the web page said. Price was very reasonable considering the dealer would only sell the complete seat base with all gears and rods at over $700 plus installation!
-- response --
Thanks for the review ! Yep, no point at all in paying $700+ for another seat base to get more plastic. The only thing failing on that seat base IS the plastic gears, so this resolves the issue, prevents if from ever happening again, and saves you ~$650. Seems like a no brainer :)
Paul@GruvenParts.com
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Great product.
Posted by randy on 25th Mar 2019
Well made and get's the job done. Had to file down the knurls on the shaft to get the new gear on but that allowed me to make it nice and snug. I only used JB weld and working fine so far.
Also, found that if the seat were in the full raised position I had more room to deflect the shaft assembly over to get the gear around (out of) the black transmission box. That part is a little tricky.
Watch for the small parts such as the shim and the washer on the gear. They want to fall and can end up lost in the seat.
Finally, Paul was great and responsive in answering my questions. I think more detailed instructions with photo's could help him in having to deal with customer Q&A. Just a thought Paul. Thanks!