GMC Chevrolet Timbren Kits
Timbren SES Kits for GMC trucks, vans, SUVs, and cab chassis vehicles are ideal to provide more load support and stability to your vehicle. The Timbren helper springs provide a better ride and eliminate body roll. They are ideal for vehicles that tow or carry heavy loads. They are easy to install, maintenance free, and guaranteed for the life of the vehicle. We offer low discounted prices, fast shipping, and free shipping with the 48 continental United States.
Click part number to order online!
| GENERAL MOTORS GMC – CHEVROLET | ||||||||
| LIGHT DUTY | Year | 2WD | 4WD | |||||
| PICKUP TRUCK | Front | Rear |
Severe Service Rear |
Front | Rear |
Severe Service Rear |
||
| COLORADO, CANYON | 2015-20 | GMRCCA | — | GMFC4A | GMRCCA | — | ||
| COLORADO, CANYON | 2004-12 | GMFC2 | GMRCC | — | GMFC4 | GMRCC | — | |
| S10 ZR2 | 1994-04 | — | — | — | GMFS10 | GMRS10A | — | |
| S10, S15, SONOMA | 2000-04 | GMFS10 | GMRS10B | — | GMFS10 | GMRS10B | — | |
| S10, S15, SONOMA | 1982-99 | GMFS10 | GMRS10A | — | GMFS10 | GMRS10A | — | |
| 1500 AVALANCHE LS, LT, LTZ | 2007-13 | GMFK15B | GMRYS4 | — | GMFK15B | GMRYS4 | — | |
| 1500 AVALANCHE | GVW 7000 Lb. or less | 2002-06 | GMFK15A | GMRG25C | — | GMFK15A | GMRG25C | — |
| 2500 AVALANCHE | GVW 8600 Lb. | 2002-06 | GMFK25S | GMRSB4S | — | GMFK25S | GMRSB4S | — |
| 1500 SIERRA, SILVERADO | with Adoptive Ride Control | 2019-20 | GMR15MR | — | TBA | GMR15MR | — | |
| 1500 SIERRA, SILVERADO | 2019-20 | GMRCK15MR | — | TBA | GMRCK15S | — | ||
| 1500 SIERRA, SILVERADO | with MagneRide suspension only | 2017-18 | GMRCK15MR | — | GMFK15CB | GMRCK15MR | — | |
| 1500 SIERRA, SILVERADO | 2016-18 | GMRCK15S | GMRTT15S | GMFK15CB | GMRCK15S | GMRTT15S | ||
| 1500 SIERRA, SILVERADO | excluding XFE | 2007-15 | GMFK15CA | GMRCK15S | GMRTT15S | GMFK15CA | GMRCK15S | GMRTT15S |
| 1500 SIERRA, SILVERADO | Reg. Cab or 3 door | 1999-06 | GMFK25S | GMRCK15S | GMRTT15S | GMFK15A | GMRCK15S | GMRTT15S |
| 1500 SIERRA, SILVER., DEN., WT, | Extd. or CrewCab | 1999-06 | GMFK25S | GMRCK15S | GMRTT15S | GMFK15A | GMRCK25S | GMRTT35S |
| 1500 HD SIERRA, SILVERADO |
including CLASSIC |
2001-07 | GMFK25S | GMRCK25S | GMRTT35S | GMFK25S | GMRCK25S | GMRTT35S |
| C1500, K1500 | 1988-99 | GMFC1588H | GMRC25HD | — | GMFK35C | GMRCK25 | GMRCK35MA | |
| C10, K10, | 1973-87 | GMFC15 | GMRC20 | — | GMFK10 | GMRK10 | — | |
| C10, K10, | with rear coil springs | 1963-72 | GMFC15 | GMRC10A | — | — | — | — |
| 2500HD SIERRA, SILVERADO | 2011-20 | GMFK25D | GMRCK25D | GMRTT35D | GMFK25D | GMRCK25D | GMRTT35D | |
| 2500 SIERRA, SILVERADO, 1500HD, 2500HD | 1999-10 | GMFK25S | GMRCK25S | GMRTT35S | GMFK25S | GMRCK25S | GMRTT35S | |
| C2500 | 1988-99 | GMFC1588H | GMRC25HD | GMRTT35C | — | — | — | |
| C20 | 1973-87 | GMFC15 | GMRC20 | GMRTTC30 | — | — | — | |
| C20 | with rear coil springs | 1963-72 | GMFC15 | GMRC10A | — | — | — | — |
| K2500 | with front cast lower control arm | 1996-00 | — | — | — | GMFK25S | GMRCK25 | GMRCK35MA |
| K2500 | with front stamped lower control arm | 1988-98 | — | — | — | GMFK35C | GMRCK25 | GMRCK35MA |
| K20 | 1973-87 | — | — | — | GMFK10 | GMRK10 | GMRTTK30 | |
| 3500HD SIERRA, SILVERADO | 2011-20 | GMFK25D | GMRCK25D | GMRTT35D | GMFK25D | GMRCK25D | GMRTT35D | |
| 3500 SIERRA, SILVERADO | 2001-10 | GMFK25S | GMRCK35S | GMRTT35S | GMFK25S | GMRCK35S | GMRTT35S | |
| C3500 | 1988-00 | GMFC1588H | GMRCK35 | GMRCK35MA | — | — | — | |
| C30 | 1973-87 | GMFC15 | GMRC30 | GMRTTC30 | — | — | — | |
| C30 | 1968-72 | GMFC15 | GMRP30 | — | — | — | — | |
| K3500 | with front cast lower control arm | 1996-00 | — | — | — | GMFK25S | GMRCK35 | GMRCK35MA |
| K3500 | with front stamped lower control arm | 1988-96 | — | — | — | GMFK35C | GMRCK35 | GMRTTK30 |
| K30 | 1977-87 | — | — | — | GMFK10 | GMRK30 | GMRTTK30 | |
| CAB & CHASSIS | ||||||||
| 3500 SIERRA, SILVERADO | 2011-20 | GMFK25D | GMRCK25D | GMRTT35D | GMFK25D | GMRCK25D | GMRTT35D | |
| 3500 SIERRA, SILVERADO, | excl. single rear wheel | 2001-10 | GMFK25S | GMRCK35C | GMRTT35C | GMFK25S | GMRCK35C | GMRTT35C |
| 3500 SIERRA, SILVERADO, | single rear wheel | 2004-10 | GMFK25S | GMRCK35S | GMRTT35C | GMFK25S | GMRCK35S | GMRTT35C |
| C3500, K3500 | with front cast lower control arm | 1996-00 | GMFC1588H | GMRC30 | GMRTTC35 | GMFK25S | GMRC30 | GMRTTC35 |
| C3500, K3500 | with front stamped lower control arm | 1990-96 | GMFC1588H | GMRC30 | GMRTTC35 | GMFK35C | GMRC30 | GMRTTC35 |
| C30, C3500, K30, K3500 | 1973-89 | GMFC15 | GMRC30 | GMRTTC30 | GMFK10 | GMRK30 | GMRTTK30 | |
| 2500HD, 3500HD | OEM/Box Delete 42”frame spacing | 2007-10 | GMFK25S | GMRCK35S | GMRTT35C | — | — | — |
| 3500HD | 34”frame spacing | 2007-10 | GMFK25S | GMRCK35C | GMRTT35C | GMFK25S | GMRCK35C | GMRTT35C |
| C3500HD | with leaf spring front suspension | 1991-04 | GMF35HDA | GMR35HDM | — | — | — | — |
| SEVERE SERVICE for Rear Axle PICKUP and CAB&CHASSIS Tow Truck – Car Carrier – Slide-in Camper – Dump Truck – Aerial Devices |
||||||||
| CHEVROLET – GMC – BUICK – OLDSMOBILE – PONTIAC – SATURN | ||||||
| LIGHT DUTY | Year | 2WD | 4WD | |||
| SUV | Front | Rear | Front | Rear | ||
| HHR | 2006-11 | — | GMRHHR | — | — | |
| AZTEK, RENDEZ VOUS | except air shocks | 2001-07 | — | GMRAZT | — | — |
| SATURN VUE | 2002-07 | — | GMRVUE | — | GMRVUE | |
| EQUINOX, TORRENT | 2005-06 | — | GMRVUE | — | GMRVUE | |
| TRAILBLAZER, ENVOY, BRAVADA, RAINIER | 2002-09 | — | GMRETB | — | GMRETB | |
| BLAZER, JIMMY Classic | old body style | 2002-05 | GMFS10 | GMRJB | GMFS10 | GMRJB |
| S10 BLAZER, JIMMY, ENVOY, BRAVADA | except full size | 1995-01 | GMFS10 | GMRJB | GMFS10 | GMRJB |
| S10 BLAZER, JIMMY, BRAVADA | except full size | 1975-94 | GMFS10 | GMRS10A | GMFS10 | GMRS10A |
| DENALI, ESCALADE, YUKON, TAHOE | excluding XFE | 2007-18 | GMFK15B | GMRYS4 | GMFK15B | GMRYS4 |
| DENALI, ESCALADE | coil rear | 2002-06 | GMFK25S | GMRYS4 | GMFK15A | GMRG25C |
| DENALI, ESCALADE | leaf rear | 2000-01 | GMFC1588H | GMRYT2 | GMFK35C | GMRYT4 |
| DENALI, ESCALADE | coil rear | 2000-06 | GMFK25S | GMRYS4 | GMFK15A | GMRG25C |
| YUKON, YUKON-DENALI, TAHOE, ESCALADE, | leaf rear | 1992-00 | GMFC1588H | GMRYT2 | GMFK35C | GMRYT4 |
| HUMMER H2 | 2003-10 | — | — | GMFK25S | GMRCK25D | |
| HUMMER H3, H3T | 2005-10 | — | — | GMFC4 | GMRETB | |
| SUBURBAN, YUKON XL 1500 | 2007-14 | — | GMRYS4 | GMFK15B | GMRYS4 | |
| SUBURBAN, YUKON XL 1500 | 2000-06 | GMFK25S | GMRYS4 | GMFK15A | GMRYS4 | |
| SUBURBAN, YUKON XL 2500 | 2000-20 | GMFK25S | GMRSB4S | GMFK25S | GMRSB4S | |
| SUBURBAN, JIMMY, K-BLAZER | full size | 1993-99 | GMFC1588H | GMRSB | GMFK35C | GMRSB4 |
| SUBURBAN, JIMMY, K-BLAZER | full size | 1992 | GMFC1588H | GMRC20 | GMFK35C | GMRK10 |
| SUBURBAN, JIMMY, K-BLAZER | full size | 1973-91 | GMFC15 | GMRC20 | GMFK10 | GMRK10 |
| VAN, MOTOR HOME | ||||||
| CITY EXPRESS | Commercial & Passenger Van | 2013-20 | — | DVR05096 | — | — |
| ASTRO, SAFARI | steel rear springs | 1996-05 | GMFAST | GMRASTB | GMFAST4 | GMRASTB |
| ASTRO, SAFAR | commercial application-steel rear springs | 1996-05 | GMFAST | GMRASTBHD | GMFAST4 | GMRASTBHD |
| ASTRO, SAFARI | composite rear springs | 1985-95 | GMFAST | GMRASTR | GMFAST | GMRASTR |
| UPLANDER, TERRAZA,MONTANA SV6, RELAY | 2005-09 | — | GMRAZT | — | GMRUPL | |
| VENTURE, MONTANA, TRANS SPORT, SILHOUETTE | excluding air shocks | 1997-04 | — | GMRAZT | — | GMRREN |
| LUMINA APV, TRANS SPORT, SILHOUETTE | 1990-96 | — | GMRAPV | — | — | |
| LUMINA (Car), GRANDPRIX (Car) | 1992-96 | — | GMRLUM | — | — | |
| G/H1500-CHEVY, EXPRESS, SAVANA | 2003-14 | GMFK15A | GMRG25C | GMFK15A | GMRG25C | |
| G1500-CHEVY, EXPRESS, SAVANA | 1996-02 | GMFC1588H | GMRG25C | — | — | |
| G10/1500 | 1975-96 | GMFG20 | GMRG20 | — | — | |
| G/H2500-CHEVY, EXPRESS, SAVANA | 6 bolt wheel | 2003-09 | GMFK15A | GMRG25C | GMFK15A | GMRG25C |
| G2500-CHEVY, EXPRESS, SAVANA | 8 bolt wheel | 2010-20 | GMFK15A | GMRG35 | — | — |
| G2500-CHEVY, EXPRESS, SAVANA | 6 bolt wheel | 1996-02 | GMFC1588H | GMRG25C | — | — |
| G2500-CHEVY, SAVANA DIESEL | 8 bolt wheel | 1996-02 | GMFC1588H | GMRG35 | — | — |
| G20/2500 | 1975-96 | GMFG20 | GMRG20 | — | — | |
| G3500-CHEVY, EXPRESS, SAVANA | 2003-20 | GMFK15WCA | GMRG35 | GMFK15A | GMRG35 | |
| G3500-CHEVY, EXPRESS, SAVANA | 1997-02 | GMFC1588H | GMRG35 | — | — | |
| G30 / 3500 | box frame – van body | 1975-96 | GMFG20 | GMRG35 | — | — |
| CUTAWAY VAN, MOTOR HOME, | Front | Front | Rear | Rear | ||
| CAB OVER & STRIPPED CHASSIS | Year | Motor Home | Cube Van | Motor Home | Cube Van | |
| 3500, 4500, 5500 | LCF (Low Cab Forward) | 17-20 | — | GMFW4C | — | GMFW4A |
| G3500, G4500 | Cut-away | 2013-20 | GMFG45 | GMFG45 | GMRG45MH | GMRG45 |
| G3500, G4500 | 1 Bolt Rear Bump Stop Bracket | 2003-12 | GMFG45 | GMFG45 | GMRG30 | GMRG30LB |
| G3500, G4500 | 2 Bolt Rear Bump Stop Bracket | 2003-12 | GMFG45 | GMFG45 | — | GMRG30PL |
| G3500 | Channel frame | 1997-02 | GMFC1588H | GMFC1588H | GMRG30 | GMRG30LB |
| G30, G3500 | Channel frame | 1975-96 | GMFG20 | GMFG20 | GMRG30 | GMRG30LB |
| P30,P32, P42, P60 | bump stop over U bolt pad | 1995-99 | — | — | GMRP30MH | GMRP30MH |
| P30,P32, P42, P60 | ind. front suspension (coil springs) | 1975-99 | GMFP30W | GMFP30W | GMRP30 | GMRP30HD |
| P32, P42 | “I” beam front suspension (leaf springs) | 1975-99 | WFRW22 | WFRW22 | GMRP30 | GMRP30HD |