Difference Between Timbrens TGMRCK15S & TGMRTT15S For 2017 & 2021 Chevy Silverado 1500

Question:

whats the difference between a Timbren GMRSTT15 and GMRCK15S. I'm trying to see if the one on my 2017 Chevy Silverado ex cab 4+4 will fit my 2021 Chevy Silverado crew cab 4+4 rst thanks

asked by: Scott C

Expert Reply:

So to answer your first question, both of these Timbrens will fit on both a 2017 and 2021 Chevy Silverado 1500 (so long as your truck does not have the Adaptive Ride Control). The biggest difference is what type of vehicle they are designed for.

The # TGMRTT15S is designed for service or work vehicles (like tow trucks, for example) and are much stiffer than needed for a standard passenger pick-up truck. So what I assume you have, and can use on both trucks, are the Timbren Rear Suspension Enhancement System # TGMRCK15S.

expert reply by: Kyle S