Timbren 1999 Chevrolet Silverado 1500 RWD Rear Suspension Enhancement System

Timbren Suspension Kits (SES Kits) are designed to enhance the suspension of your vehicle. Easiest to use: Rubber cushions absorb road shocks and automatically adjust to uneven loads or road conditions. Easiest to maintain: There are no airlines or fittings to allow leaks. Simply bolt the kit on and you are set for a lifetime of trouble free suspension.Easiest to install: There are no holes to drill, no airlines to route and SES Kits can be installed in a matter of minutes using basic hand tools. The softer ride quality of todays trucks and the mediocre suspensions found on most trailers can cause excessive trailer sway, instability and suspension settling.Timbrens high performance suspension packages will ensure added safety and peace of mind. Suspension Enhancement System; Weight Capacity 8600 lbs.; Rear; Rear Kit

• Leaders In Rubber Spring Technology Since 1965
• Eliminate Vehicle Squatting & Sagging
• Cushion Road Shocks
• Lifetime Warranty
• Improve Handling

Upgrade your truck’s rear suspension with the Timbren GMRCK15S Suspension Enhancement System. Designed for select Chevrolet Silverado 1500 and GMC Sierra 1500 applications, this rear kit helps reduce squatting, sagging, and suspension settling when carrying heavy loads or towing a trailer. With a weight capacity of up to 8,600 pounds, it provides additional support while helping maintain improved vehicle stability and handling.
Timbren SES Kits use durable rubber springs that absorb road shocks and automatically adjust to changing loads and road conditions. The system works without airlines, compressors, fittings, or other components that can leak, making it a low-maintenance alternative to traditional air suspension. The progressive spring design helps cushion impacts and can reduce trailer sway and instability caused by soft factory suspension systems.
Installation is designed to be straightforward, with no drilling or air lines to route. The Timbren GMRCK15S mounts using basic hand tools and can typically be installed in minutes, helping you spend less time in the garage and more time on the road. Its rugged construction is engineered for dependable, long-term performance in demanding towing and hauling conditions.
Backed by Timbren’s leadership in rubber spring technology since 1965, this rear Suspension Enhancement System offers a practical way to improve load support, ride control, and towing confidence. The kit includes Timbren’s lifetime warranty and is designed for select 1999 and 2011 Chevrolet Silverado 1500 and GMC Sierra 1500 applications. Verify vehicle configuration and fitment before installation.

Features:

• Rear Suspension Enhancement System designed for select Chevrolet Silverado 1500 and GMC Sierra 1500 applications

• Weight Capacity: Supports loads up to 8,600 pounds

• Load Support: Helps reduce vehicle squatting, sagging, and suspension settling

• Ride Control: Rubber springs cushion road shocks and adjust automatically to changing loads

• Maintenance: Requires no airlines, compressors, or fittings that can leak

• Installation: Bolt-on design installs without drilling or routing air lines

• Handling: Helps improve stability, handling, and towing confidence

• Durability: Backed by a lifetime warranty

• Technology: Timbren rubber spring technology developed since 1965

Fitment:
Chevrolet Silverado 1500 Base 1999
Chevrolet Silverado 1500 Base 2000
Chevrolet Silverado 1500 Base 2001
Chevrolet Silverado 1500 Base 2002
Chevrolet Silverado 1500 Base 2003
Chevrolet Silverado 1500 Base 2004
Chevrolet Silverado 1500 Base 2005
Chevrolet Silverado 1500 Custom 2016
Chevrolet Silverado 1500 Custom 2017
Chevrolet Silverado 1500 Custom 2018
Chevrolet Silverado 1500 High Country 2014
Chevrolet Silverado 1500 High Country 2015
Chevrolet Silverado 1500 High Country 2016
Chevrolet Silverado 1500 High Country 2017
Chevrolet Silverado 1500 High Country 2018
Chevrolet Silverado 1500 Hybrid 2004
Chevrolet Silverado 1500 Hybrid 2005
Chevrolet Silverado 1500 Hybrid 2006
Chevrolet Silverado 1500 Hybrid 2009
Chevrolet Silverado 1500 Hybrid 2010
Chevrolet Silverado 1500 Hybrid 2011
Chevrolet Silverado 1500 Hybrid 2012
Chevrolet Silverado 1500 Hybrid 2013
Chevrolet Silverado 1500 LS 1999
Chevrolet Silverado 1500 LS 2000
Chevrolet Silverado 1500 LS 2001
Chevrolet Silverado 1500 LS 2002
Chevrolet Silverado 1500 LS 2003
Chevrolet Silverado 1500 LS 2004
Chevrolet Silverado 1500 LS 2005
Chevrolet Silverado 1500 LS 2006
Chevrolet Silverado 1500 LS 2007
Chevrolet Silverado 1500 LS 2008
Chevrolet Silverado 1500 LS 2009
Chevrolet Silverado 1500 LS 2010
Chevrolet Silverado 1500 LS 2011
Chevrolet Silverado 1500 LS 2012
Chevrolet Silverado 1500 LS 2013
Chevrolet Silverado 1500 LS 2015
Chevrolet Silverado 1500 LS 2016
Chevrolet Silverado 1500 LS 2017
Chevrolet Silverado 1500 LS 2018
Chevrolet Silverado 1500 LT 1999
Chevrolet Silverado 1500 LT 2000
Chevrolet Silverado 1500 LT 2001
Chevrolet Silverado 1500 LT 2002
Chevrolet Silverado 1500 LT 2003
Chevrolet Silverado 1500 LT 2004
Chevrolet Silverado 1500 LT 2005
Chevrolet Silverado 1500 LT 2006
Chevrolet Silverado 1500 LT 2007
Chevrolet Silverado 1500 LT 2008
Chevrolet Silverado 1500 LT 2009
Chevrolet Silverado 1500 LT 2010
Chevrolet Silverado 1500 LT 2011
Chevrolet Silverado 1500 LT 2012
Chevrolet Silverado 1500 LT 2013
Chevrolet Silverado 1500 LT 2014
Chevrolet Silverado 1500 LT 2015
Chevrolet Silverado 1500 LT 2016
Chevrolet Silverado 1500 LT 2017
Chevrolet Silverado 1500 LT 2018
Chevrolet Silverado 1500 LTZ 2007
Chevrolet Silverado 1500 LTZ 2008
Chevrolet Silverado 1500 LTZ 2009
Chevrolet Silverado 1500 LTZ 2010
Chevrolet Silverado 1500 LTZ 2011
Chevrolet Silverado 1500 LTZ 2012
Chevrolet Silverado 1500 LTZ 2013
Chevrolet Silverado 1500 LTZ 2014
Chevrolet Silverado 1500 LTZ 2015
Chevrolet Silverado 1500 LTZ 2016
Chevrolet Silverado 1500 LTZ 2017
Chevrolet Silverado 1500 LTZ 2018
Chevrolet Silverado 1500 SS 2003
Chevrolet Silverado 1500 SS 2004
Chevrolet Silverado 1500 SS 2005
Chevrolet Silverado 1500 SS 2006
Chevrolet Silverado 1500 SSV 2015
Chevrolet Silverado 1500 SSV 2016
Chevrolet Silverado 1500 SSV 2017
Chevrolet Silverado 1500 SSV 2018
Chevrolet Silverado 1500 WT 2002
Chevrolet Silverado 1500 WT 2003
Chevrolet Silverado 1500 WT 2004
Chevrolet Silverado 1500 WT 2005
Chevrolet Silverado 1500 WT 2006
Chevrolet Silverado 1500 WT 2007
Chevrolet Silverado 1500 WT 2008
Chevrolet Silverado 1500 WT 2009
Chevrolet Silverado 1500 WT 2010
Chevrolet Silverado 1500 WT 2011
Chevrolet Silverado 1500 WT 2012
Chevrolet Silverado 1500 WT 2013
Chevrolet Silverado 1500 WT 2014
Chevrolet Silverado 1500 WT 2015
Chevrolet Silverado 1500 WT 2016
Chevrolet Silverado 1500 WT 2017
Chevrolet Silverado 1500 WT 2018
Chevrolet Silverado 1500 XFE 2010
Chevrolet Silverado 1500 XFE 2011
Chevrolet Silverado 1500 XFE 2012
Chevrolet Silverado 1500 XFE 2013
Chevrolet Silverado 1500 Z71 2004
Chevrolet Silverado 1500 Z71 Off-Road 2005
Chevrolet Silverado 1500 Classic Hybrid 2007
Chevrolet Silverado 1500 Classic LS 2007
Chevrolet Silverado 1500 Classic LT 2007
Chevrolet Silverado 1500 Classic SS 2007
Chevrolet Silverado 1500 Classic WT 2007
Chevrolet Silverado 1500 HD Base 2005
Chevrolet Silverado 1500 HD LS 2001
Chevrolet Silverado 1500 HD LS 2002
Chevrolet Silverado 1500 HD LS 2003
Chevrolet Silverado 1500 HD LS 2005
Chevrolet Silverado 1500 HD LT 2001
Chevrolet Silverado 1500 HD LT 2002
Chevrolet Silverado 1500 HD LT 2003
Chevrolet Silverado 1500 HD LT 2005
Chevrolet Silverado 1500 HD LT 2006
Chevrolet Silverado 1500 HD Classic LT 2007
Chevrolet Silverado 1500 LD Custom 2019
Chevrolet Silverado 1500 LD LT 2019
Chevrolet Silverado 1500 LD WT 2019
GMC Sierra 1500 Base 2002
GMC Sierra 1500 Base 2003
GMC Sierra 1500 Base 2004
GMC Sierra 1500 Base 2005
GMC Sierra 1500 Base 2014
GMC Sierra 1500 Base 2015
GMC Sierra 1500 Base 2016
GMC Sierra 1500 Base 2017
GMC Sierra 1500 Base 2018
GMC Sierra 1500 C3 2001
GMC Sierra 1500 Denali 2002
GMC Sierra 1500 Denali 2003
GMC Sierra 1500 Denali 2004
GMC Sierra 1500 Denali 2005
GMC Sierra 1500 Denali 2006
GMC Sierra 1500 Denali 2007
GMC Sierra 1500 Denali 2008
GMC Sierra 1500 Denali 2009
GMC Sierra 1500 Denali 2010
GMC Sierra 1500 Denali 2011
GMC Sierra 1500 Denali 2012
GMC Sierra 1500 Denali 2013
GMC Sierra 1500 Denali 2014
GMC Sierra 1500 Denali 2015
GMC Sierra 1500 Denali 2016
GMC Sierra 1500 Denali 2017
GMC Sierra 1500 Denali 2018
GMC Sierra 1500 HT 2002
GMC Sierra 1500 Hybrid 2005
GMC Sierra 1500 Hybrid 2006
GMC Sierra 1500 Hybrid 2009
GMC Sierra 1500 Hybrid 2010
GMC Sierra 1500 Hybrid 2011
GMC Sierra 1500 Hybrid 2012
GMC Sierra 1500 Hybrid 2013
GMC Sierra 1500 SL 1999
GMC Sierra 1500 SL 2000
GMC Sierra 1500 SL 2001
GMC Sierra 1500 SL 2002
GMC Sierra 1500 SL 2003
GMC Sierra 1500 SL 2006
GMC Sierra 1500 SL 2007
GMC Sierra 1500 SL 2008
GMC Sierra 1500 SL 2009
GMC Sierra 1500 SL 2010
GMC Sierra 1500 SL 2011
GMC Sierra 1500 SL 2012
GMC Sierra 1500 SL 2013
GMC Sierra 1500 SLE 1999
GMC Sierra 1500 SLE 2000
GMC Sierra 1500 SLE 2001
GMC Sierra 1500 SLE 2002
GMC Sierra 1500 SLE 2003
GMC Sierra 1500 SLE 2004
GMC Sierra 1500 SLE 2005
GMC Sierra 1500 SLE 2006
GMC Sierra 1500 SLE 2007
GMC Sierra 1500 SLE 2008
GMC Sierra 1500 SLE 2009
GMC Sierra 1500 SLE 2010
GMC Sierra 1500 SLE 2011
GMC Sierra 1500 SLE 2012
GMC Sierra 1500 SLE 2013
GMC Sierra 1500 SLE 2014
GMC Sierra 1500 SLE 2015
GMC Sierra 1500 SLE 2016
GMC Sierra 1500 SLE 2017
GMC Sierra 1500 SLE 2018
GMC Sierra 1500 SLT 1999
GMC Sierra 1500 SLT 2000
GMC Sierra 1500 SLT 2001
GMC Sierra 1500 SLT 2002
GMC Sierra 1500 SLT 2003
GMC Sierra 1500 SLT 2004
GMC Sierra 1500 SLT 2005
GMC Sierra 1500 SLT 2006
GMC Sierra 1500 SLT 2007
GMC Sierra 1500 SLT 2008
GMC Sierra 1500 SLT 2009
GMC Sierra 1500 SLT 2010
GMC Sierra 1500 SLT 2011
GMC Sierra 1500 SLT 2012
GMC Sierra 1500 SLT 2013
GMC Sierra 1500 SLT 2014
GMC Sierra 1500 SLT 2015
GMC Sierra 1500 SLT 2016
GMC Sierra 1500 SLT 2017
GMC Sierra 1500 SLT 2018
GMC Sierra 1500 WT 2002
GMC Sierra 1500 WT 2003
GMC Sierra 1500 WT 2004
GMC Sierra 1500 WT 2005
GMC Sierra 1500 WT 2006
GMC Sierra 1500 WT 2007
GMC Sierra 1500 WT 2008
GMC Sierra 1500 WT 2009
GMC Sierra 1500 WT 2010
GMC Sierra 1500 WT 2011
GMC Sierra 1500 WT 2012
GMC Sierra 1500 WT 2013
GMC Sierra 1500 XFE 2010
GMC Sierra 1500 XFE 2011
GMC Sierra 1500 XFE 2012
GMC Sierra 1500 XFE 2013
GMC Sierra 1500 Classic Denali 2007
GMC Sierra 1500 Classic Hybrid 2007
GMC Sierra 1500 Classic SL 2007
GMC Sierra 1500 Classic SLE 2007
GMC Sierra 1500 Classic SLT 2007
GMC Sierra 1500 Classic WT 2007
GMC Sierra 1500 HD SLE 2001
GMC Sierra 1500 HD SLE 2002
GMC Sierra 1500 HD SLE 2003
GMC Sierra 1500 HD SLE 2005
GMC Sierra 1500 HD SLE 2006
GMC Sierra 1500 HD SLT 2001
GMC Sierra 1500 HD SLT 2002
GMC Sierra 1500 HD SLT 2003
GMC Sierra 1500 HD SLT 2005
GMC Sierra 1500 HD SLT 2006
GMC Sierra 1500 HD Classic SLE 2007
GMC Sierra 1500 HD Classic SLT 2007
GMC Sierra 1500 Limited Base 2019
GMC Sierra 1500 Limited SLE 2019