Correct Timbren Rear Suspension Enhancement System for a 2021 GMC Sierra 1500 with AT4

Question

Question:

Hello, A bit confused on part # I have a 2021 GMC Sierra 1500 AT4 and looking to purchase the correct rear bump stop I look forward to hearing from someone. Thx

asked by: Dan

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Expert Reply:

The correct Timbren Rear Suspension Enhancement System for a 2021 GMC Sierra 1500 with AT4 is part # TGMRCK15S. This is a complete kit that comes with everything you need and is a confirmed fit from the manufacturer for AT4 models.

expert reply by: Conner L

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Answer 1

The factory lift of your 2019 Chevy Silverado 1500 Trail Boss would not require you to use additional spacers to fit a Timbren kit like the part #TGMRCK15S. The best suspension enhancement for your truck is the RoadActive Suspension kit part #RAS4611…

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Answer 2

Thanks for the photo and the Timbren Rear Suspension Enhancement System #TGMRCK15S you mentioned is a good option for helping keep your 2020 Chevy Silverado 1500 level, but the best option is something a little different, the RoadActive Suspension…

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Answer 3

The Timbren Suspension Enhancement System part #T28MR and SumoSprings Solo Custom Helper Springs part #SS45FR are both great options for a 2021 GMC Sierra 1500 AT4. I recommend the SumoSprings as they don't typically ride as rough as the Timbrens…

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Answer 4

Yes, the Timbren Suspension Enhancement System #T28MR will be the best option when it comes to cost-effectiveness. This will fit with your 2021 Chevrolet Silverado 1500 Z71 Trail Boss but you'll want to make sure these fit the gap properly. The…

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Answer 5

These two Timbren rear suspension systems are the same except for two major differences. They are both compatible with your 2021 GMC Sierra 1500. They are each rated at 8,600 lbs and are rated extra heavy duty. The differences are the Timbren Rear…

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Answer 6

The correct Timbren Rear Suspension Enhancement for your 2021 GMC Sierra 1500 AT4 is the Timbren Rear Suspension Enhancement System #TGMRCK15S you were looking at which has an 8600lb load rating, but I have a different option for you. I recommend…

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Answer 7

Yes, the Timbren Suspension Enhancement System part #T28MR which is a fit for a 2021 GMC Sierra 1500 will work on models with the elevation package. I checked with Timbren to confirm this for you as well. The only models which are lifted from the…

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Answer 8

If you are considering Timbrens like the #TDR1500DQ and the SumoSprings like the #SSR-307-47 for your 2022 Ram 1500 4x4, I recommend the SumoSprings #SSR-307-47. The SumoSprings will offer the same quality as the Timbrens in terms of suspension…

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Answer 9

The correct Timbren Rear Suspension Enhancement System for a 2019 Chevrolet Silverado 1500 z71 Trail Boss is part #TGMRCK15S which offers a simple bolt-on install. There will be no spacers or additional parts needed for installation even with the…

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Answer 10

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 11

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 12

For sag from towing a trailer the best recommendation I can make is actually a weight distribution system. Suspension enhancement will help level your truck while towing. But the advantage to a weight distribution system is that it levels the vehicle…

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