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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 41-50 of 68 | Next
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2011 Suburban seat issue solved with Gruven gear kit
Posted by Roger on 6th Apr 2021
i had just bought my 2011 Suburban and found the front seat would not move up or down on the front of the seat, all it would do it click, click, click when touch the switch. I knew a new or used seat bottom would be an expensive fix until i googled my problem and i found a video that talked about a problem Chevy had with 2007-2015 Suburban/Tahoe etc. and that's with i found Gruven Parts in Atlanta Ga area. So i ordered the kit and followed the video instructions and installed my kit and away we go!!! Happy Trails again!!!!! Thanks to Gruven for filling in the gap for Chevy! FIVE STARS from me!
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A must for this repair...
Posted by Eddie Negron on 29th Jan 2021
Installation is relatively simple and straightforward. The installation kit should include a filler gauge type of measurement to set the main gear at .005". Overall great quality.
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Challenging, but worth the effort GM folding Mirror fix, Seat lift gear.
Posted by Andrew A Thuernagle on 18th Jan 2021
The gear set is excellent. The video and instruction was also excellent with the step by step process. The first mirror took about two hours, the second took half hour. The seat lift gear took about 3 hours, It might be helpful for some to know that the seat tilt gear may also be upgraded with the same brass set while doing the project on some models. Thanks for everything.
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High Ridin Again!
Posted by David on 5th Jan 2021
I am so thankful for the two brass replacements gear set that Gruven makes. Without them I would have had to purchase a complete assembly from the junk yard or dealer and they Still would have had the plastic gear.
The YouTube video provides detailed instructions on how to install the gears. Everything went smoothly and it was as enjoyable to install as it is to drive at the right seat elevation once again!
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Great Product
Posted by TJ Murphy on 6th Dec 2020
Perfect fit!! Pretty easy install!!!
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seat height adjustment
Posted by Michael Slagle on 27th Nov 2020
Installed as shown on you tube. Works as advertised. Saves me from having to purchase a drivers seat.
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Great
Posted by Unknown on 26th Nov 2020
I am extremely satisfied with this product. It arrived in about two days and was double packaged. When installing it the fit was great and I needed to use a rubber mallet to get it on all the way. It is definitely made with quality and will last for a long time. Thank you Gruven Parts for making these parts.
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Great product that whould have been OEM!
Posted by Unknown on 5th Oct 2020
Gears went in easy and work great. Wish GM used these from the factory but so glad someone is making a quality repair part.
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Worked great!
Posted by Martin on 24th Sep 2020
This saved me a lot of money. Have to replace both gears. I would recommend taking the seat of the frame to make it easier. One of them is hard to access. Also make sure you clean out the gear housing real good. I had a small piece of broken plastic I missed that gave me problems till I figured out what it was. Take your time and follow the instructions. The video was helpful. This product worked great and high quality. Would definitely recommend.
response --
Thanks Martin, glad you got the seat height working again. FYI we're now working on the fwd/aft gears as well, so we will have the entire seat covered !
Paul@GruvenParts.com
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Great Product
Posted by Barry Cole on 6th Aug 2020
This item fixed my seat like new. Better than new because the gears are made of brass and I will never have to fix it again. Parts fit perfectly with no modification needed. Thanks for a great product that is a permanent solution to GM plastic gears. Well done!