Rear Suspension Enhancement for 2021 Chevy Colorado 4x4

Question

Question:

Have 2021 Crew Cab ZR2 Diesel Colorado 4x4. Want a SUMO type product that will provide minimum sag in rear under load. Constant bed load of about 300#. Additional occasional tongue weight of no more than 400#. Distance between top of leaf pack and bottom of frame is 7-1/4. U bolt Center/Center dimension is 3-3/4. Thanks.

asked by: Ray P

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Expert Reply:

For your 2021 Chevy Colorado 4x4 we have the Timbren rear suspension kit part # TABSOSR as a confirmed fit that would do an excellent job reducing the sag you are experiencing. SumoSprings does not have a kit for your truck at this time but the Timbrens are essentially the same design as it's a jounce type bumper designed to replace the bump stop.

expert reply by: Jameson C

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Answer 1

Due to the design of the Timbren Rear Suspension Enhancement System #TTORTAC4A on your 2002 Toyota Tacoma the screw that would normally sit in that position is welded on as you do not have access to the head of the screw when it is installed on your…

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Answer 2

The Timbren Active Off-Road Bumpstops part #TABSOSR which are a fit for a 2007 Toyota Tacoma are designed so that there is more space between the spring and frame to allow the suspension to articulate freely when off-road. If you're looking for a…

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Answer 3

There is an interesting amount of Timbren kits that fit your 2022 Toyota Tacoma long bed. The part #TABSTRFK is a standard duty kit that comes with a U-bolt flip kit helps with ground clearance. #T72FR is a severe service kit for 3 leaf springs which…

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Answer 4

To add a 1" spacer #A25723-90AH00 to the Timbren Active Off-Road Bumpstops #TABSOSR you were looking at for your 2014 Toyota Tundra you will need to purchase two grade 5 or 8 3/8" x 2-1/2" F/T UNC bolts from your local hardware store.…

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Answer 5

The Timbren Active Off-Road Bumpstops - Rear Suspension - 3,600 lbs #TABSTRFK have bump stops and mounts that are 5-1/2 inches tall overall and u-bolts that are 8-1/4 inches long and 3-3/4 inches on center. I've attached a photo to assist. These…

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Answer 6

The Timbren Springs #T28MR has an overall height of 5-11/16". With your 2021 GMC AT4 having the factory lift you will want to measure the distance from inside the cup on your current jounce bumper to the pad on the axle. We do have a 1"…

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Answer 7

For your 2018 Chevy Colorado ZR2 Diesel I recommend RoadActive Suspension #RAS4617. This system will provide extra support when towing and/or carrying loads in the truck bed as well as help with overall stability all without affecting the unloaded…

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Answer 8

We do have the Timbren Rear Suspension Enhancement System #TTORTUN4 for your 2005 Toyota Tacoma Pre-Runner 2wd. This kit has a rated capacity of 6,000lbs to reduce sag and improve stability. We also have the Timbren Active Off-Road Bumpstops #TABSOSR…

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Answer 9

The Timbren Active Off-Road Bumpstops #TABSOSR referenced in your question feature an assembled height of 4-5/8 inches. I have attached a short video review on this kit along with the written installation instructions that you can check out as well.

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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

Since the pin weight of your camper is 2.1k, I recommend going with the LoadLifter 5000 opposed to the 7500. While technically there is not reason you couldn't use the 7500 kit, it really is not necessary for a camper like yours. Generally the…

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Answer 12

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Rear Suspension Enhancement for 2021 Chevy Colorado 4x4

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