Light Duty Suspension Products June 2015
Timbren ® SES Suspension Enhancement Systems
GM Light Duty Pickup Trucks Continued
Timbren ® Suspension Enhancement Systems
Model
Year
2WD Front
2WD Rear
4WD Front
4WD Rear
Remarks
1988-00 GMFC1588H GMRCK35
— — —
— — —
C30, C3500
1973-87 GMFC15 1968-72 GMFC15
GMRC30 GMRP30 GMRCCA GMRCC
GMFC2A
GMFC4A GMFC4 GMFK25S GMFK35C GMFK10 GMFK10 GMFK25S GMFK35C GMFS10 GMFS10 GMFS10
GMRCCA GMRCC GMRCK25 GMRCK25 GMRK10 GMRK30 GMRCK35 GMRCK35 GMRS10A GMRS10B GMRS10A
COLORADO, CANYON
2015
2004-12 GMFC2
1996-00 — 1988-98 — 1970-87 — 1970-87 — 1996-00 — 1988-96 —
— — — — — —
K20, K2500
With front cast lower control arm With front stamped lower control arm
K30, K350 K30, K3500
With front cast lower control arm With front stamped lower control arm
1994-04 —
—
S10 ZR2
2000-04 GMFS10 1975-99 GMFS10
GMRS10B GMRS10A
S10, S15, SONOMA
Cab and Chassis, Conventional Model Year
2WD Front
2WD Rear
4WD Front
4WD Rear
Remarks
2007-10 GMFK25S
GMRCK35S
GMFK25S
GMRCK35S GMRCK25D GMRCK35S GMRCK35C
3500 HD
3500 SIERRA, SILVERADO 2011-15 GMFK25D
GMRCK25D GMFK25D
2006-10 GMFK25S 2001-10 GMFK25S
GMRCK35S GMRCK35C
GMFK25S GMFK25S GMFK25S GMFK35C GMFK10
Single rear wheel
Excluding single rear wheel
1996-00 GMFC1588H GMRC30 1990-96 GMFC1588H GMRC30
GMRC30 GMRC30 GMRK30
C30, C3500, K30, K3500
With front cast lower control arm With front stamped lower contl arm
1973-89 GMFC15 1991-04 GMF35HDA
GMRC30
GMR35HDM —
—
C3500 HD
With leaf spring front suspension
Severe Service - Pickup and Cab & Chassis Model Year
2WD Front
2WD Rear
4WD Front
4WD Rear
Remarks
2011-15 GMFK25D
GMRTT35D
GMFK25D
GMRTT35D
2500, 3500 SIERRA, SILVERADO C/K, 20/30, 2500/3500
2001-10 GMFK25S
GMRTT35S
GMFK25S
GMRTT35S
Pickup style Pickup style
1990-00 GMFC1588H GMRCK35MA GMFK25S
GMRCK35MA
1990-00 GMFC1588H GMRTTC35
GMFK25S GMFK25S GMFK10
GMRTTC35 GMRTT35C GMRTTK30
C/K, 30/3500 C/K,30/3500
Cab & Chassis style Cab & Chassis style
2001-09 GMFK25S 1975-89 GMFC15
GMRTT35C GMRTTC30
C20/2500, C30,3500, K30/3500
Medium and Heavy Duty - Cab and Chassis, Conventional Model Year 2WD Front
2WD Rear
4WD Front
4WD Rear
Remarks
2005-09 GMF55AWD —
GMRC55 GMRC55 GMRC55 GMRC70 GMRC55
GMRTKM GMRTKM GMRTKM
4500, 5500, 6500, 7500
All wheel drive
2003-09 GMFTK 2003-09 GMFTKLP
— — — —
Excluding all wheel drive
6500
LoPro
C50, C60, C70, C6000, C7000 1973-90 GMFC70
—
1991-02 GMFTK
GMRTKM
TOPKICK & KODIAK C60, C70, C6000, C7000
Except LoPro
1991-02 GMFTKLP
—
GMRC55
GMRTKM
LoPro
Medium and Heavy Duty - Cab Forward Model Year T5500, T6500, T7500, T8500 1997-09 GMFTK
2WD Front
2WD Rear
4WD Front
4WD Rear
Remarks
— — —
GMRC55 GMRW35 GMRW4A
GMRTKM GMRW55 GMRW55
1998-09 GMFW4C 1988-09 GMFW4C
W35, W3500 W4/4000/4500, W5,5000,5500
1988-96 GMFW7
—
RES0S1
(d) URMDB
W7, 7000
(d)
(d) drilling required, (p) professional installation required, (w) welding required, (wd) welding/drilling required, (b/o) bolt-on
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