Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
2004LB7
2003 no start condition

LLY New

1.3K
17.3K
Threads
1.3K
Messages
17.3K
R
Crank but no start

LBZ New

1.2K
14.3K
Threads
1.2K
Messages
14.3K
2004LB7
Truck wont rev much past 2k rpm no codes

LMM New

767
11.2K
Threads
767
Messages
11.2K
N2BRK
PLEASE HELP!! 07.5 LMM No shift indicator, dome lights, power locks & windows, NO CRANK NO START

LML New

652
8.4K
Threads
652
Messages
8.4K
1FastBrick
Got a couple of cylinder contribution codes

L5P New

124
3.7K
Threads
124
Messages
3.7K
Nate’s Dmax
L5P will barely start, then die Please Help

Transfer Case / Axles / Driveshafts Tech New

294
3.5K
Threads
294
Messages
3.5K
TheBac
No 4WD

Van

18
312
Threads
18
Messages
312
M
LGH (detuned LML in a van) Engine Shuts off at full throttle

Part #'s

396
2.3K
Threads
396
Messages
2.3K
K
Crossmember part # or replacement

Turbo Talk

"Nitrous is nice, but it's best to be Blown"
1.9K
43.7K
Threads
1.9K
Messages
43.7K
malibu795
WWYD? Turbo time

General Fuel System & Exhaust Questions New

372
7.7K
Threads
372
Messages
7.7K
TheBac
DEF Fluid in fuel tank

Fluids and Maintenance

652
10.7K
Threads
652
Messages
10.7K
OleBlackyLBZ
Starfire Fluid Built Trans

The Pharmacy

Nitrous, Propane, Meth, oxidizers
172
3.2K
Threads
172
Messages
3.2K
Baking83
Nitrous
T
Good compression - Bad balance rate
Replies
13
Views
405
Trgglynn
T
A
Question on harmonic balancer bolt
Replies
13
Views
494
TheBac
TheBac
shakenfake
Intercooler boot o-ring
Replies
4
Views
290
shakenfake
shakenfake
N2BRK
Valley Charger
Replies
19
Views
853
Bdsankey
Bdsankey
R
Need some guidance
Replies
5
Views
290
jlawles2
J
F
P0090 2007 LBZ. Won't clear even when engine not running.
Replies
4
Views
379
Fmt2bx
F
K
LML falling on its face, losing all power at around 22-2300 rpm,
Replies
13
Views
5K
nate2112
nate2112
R
White smoke on start
Replies
3
Views
329
NC-smokinlmm
NC-smokinlmm
1FastBrick
Fleece Performance 2004.5-2007 Duramax PowerFlo In-tank Lift Pump?
Replies
48
Views
7K
malibu795
malibu795
L
LBZ Coolant leak dripping on front driveshaft
Replies
14
Views
6K
mr450kawman
M
nate2112
LML Bogging Around 2300-2500 RPMS
Replies
6
Views
322
nate2112
nate2112
B
Increasing Rail Pressure to Control Idle Haze
Replies
12
Views
536
blueshift
B
Schwinn68
Airdog 2 replacement motor
Replies
16
Views
11K
Chevy1925
Chevy1925
D
L5P Fass Drop In Filter Set Up
Replies
3
Views
288
dmax_ty
D
K
reinstalling front diff into-LBZ frame
Replies
4
Views
247
karolko
K
D
What's up with all these codes? 2006 LBZ
Replies
3
Views
286
Ron Nielson
R
Dm23
Oil leaking out of the tail pipe
Replies
14
Views
490
Dm23
Dm23
I
Rail Pressure...P1093...
Replies
1
Views
238
Ron Nielson
R
A
LBZ Passenger side return line popping off
Replies
0
Views
247
Acela
A
S
U0101 issues
Replies
2
Views
418
Chevy2005
C
nojokat
Cracked piston
Replies
11
Views
581
Chevy2005
C
gmc502
2016 denali pitman arm nut
Replies
5
Views
396
gmc502
gmc502
T
LB7 - Engine starts then dies - Reusing low pressure fuel hose clamps
Replies
12
Views
564
darkness
darkness
B
158 MPH Max speed?
Replies
6
Views
3K
kaylabryn
K
Dm23
P2610
Replies
3
Views
305
Ron Nielson
R
D
Water pump 2006 7 blade or 8?
Replies
8
Views
403
Bdsankey
Bdsankey
darkness
Injector time…
Replies
27
Views
671
1FastBrick
1FastBrick
R
Shop time to replace a CP4 with CP3
Replies
2
Views
533
Chevy1925
Chevy1925
A
LB7 CRANKS BUT NO START
Replies
29
Views
6K
tyler.johnson08
T
O
coolant fan relay location
Replies
13
Views
839
2004LB7
2004LB7
T
Transfer case range shift
Replies
4
Views
401
2005_LLwhyyy
2
W
Hydroboost trouble shooting?
Replies
7
Views
558
68ss
6
savagemushroom
New Here! LB7 Fuel System Questions large project
Replies
3
Views
400
Bdsankey
Bdsankey
R
2012 GMC LML won’t start, have CP3 upgrade questions
Replies
13
Views
689
TheBac
TheBac
R
Lb7 and LLY UNDERHOOD FUSE PANEL CONNECTIONS!!
Replies
5
Views
269
ryancalcote35
R
J
Gauges and Transmission going crazy
Replies
3
Views
190
aketay
aketay
D
L5P Coolant drain and fill
Replies
4
Views
986
Chevy1925
Chevy1925
A
Low Coolant light.
Replies
2
Views
178
darkness
darkness
G
2015 Duramax exhaust leak
Replies
5
Views
313
Bdsankey
Bdsankey
BLACKMAX1
Truck dies at random, no codes
Replies
4
Views
298
BLACKMAX1
BLACKMAX1
N2BRK
LB7 Heads
Replies
5
Views
323
1FastBrick
1FastBrick
N2BRK
LB7 Exhaust
Replies
25
Views
785
KEVINL
KEVINL
ecc_33
head gasket issues after water pump replacement?
Replies
23
Views
13K
nojokat
nojokat
SickLL7Crenshaw
Stock injector size discussion...size matters
Replies
61
Views
11K
malibu795
malibu795
F
2011 LML turbo removal help (manual calls for dropping transmission?)
Replies
0
Views
193
fishv12
F
K
2005 Chevy kodiak 4500 Shutting Down
Replies
10
Views
406
Ron Nielson
R
Nomad_LBZ
Truck is running on 4 cyl, shot in the dark for help.
Replies
5
Views
503
2004LB7
2004LB7
M
Knocking noise
Replies
13
Views
852
mississippiray
M
B
2018 l5p high county U18A2 help
Replies
23
Views
3K
kidturbo
kidturbo
M
engine hesitation/misfire 2012 LML
Replies
2
Views
344
2004LB7
2004LB7
You must log in or register to post here.
Top Bottom