Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
L
LB7 no start 250psi fuel

LLY New

1.3K
17.3K
Threads
1.3K
Messages
17.3K
kidturbo
LLY Ficm

LBZ New

1.2K
14.3K
Threads
1.2K
Messages
14.3K
1FastBrick
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
F
Got a couple of cylinder contribution codes

L5P New

124
3.8K
Threads
124
Messages
3.8K
ikeG
Oil prime
  • ikeG

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

373
7.7K
Threads
373
Messages
7.7K
M
dual tank woes

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
B
Anyone swapped a L5P into a 2011 LML frame
Replies
13
Views
1K
Bstewardtx
B
A
2015 LML DenaliHD keeps moving after coming to a dead stop during redlight
Replies
4
Views
382
gmduramax
gmduramax
K
Lbz turbo upgrade advice
Replies
19
Views
5K
KRODMAX/KS
KRODMAX/KS
M
2004 LB7 pump rub
Replies
4
Views
426
MMLMM
MMLMM
J
Crank but no start
Replies
4
Views
325
Jlopez35
J
Jwatsonlml
2013 lml no crank/no start after pulling trans
Replies
2
Views
391
Jwatsonlml
Jwatsonlml
J
Battery maintainer
Replies
8
Views
1K
2004LB7
2004LB7
Utah builder
Rough idle after new injectors/ engine build
Replies
18
Views
974
Utah builder
Utah builder
M
Front axle actuator
Replies
10
Views
764
2004LB7
2004LB7
dmaxpilon
Boost valve question
Replies
37
Views
2K
dmaxpilon
dmaxpilon
dirty_maxxbob
Looking for compound kit & turbo size
Replies
7
Views
2K
MAXX IT OUT
MAXX IT OUT
TheGryme
Waste Gate?
Replies
2
Views
675
Dirtymaxx03
Dirtymaxx03
fl0w3n
Alternator cavitation sound?
Replies
1
Views
278
darkness
darkness
J
Vibration at low RPM
Replies
19
Views
5K
Hockensmithchaz
H
Y
LB7 - 5" FTE Resonator/Muffler
Replies
1
Views
579
dndj
dndj
thunder550
Upper oil pan leak, or other leaks?
Replies
8
Views
2K
thunder550
thunder550
RMJ_LB7
LB7 Performance Engineering 68 drop in turbo
Replies
0
Views
382
RMJ_LB7
RMJ_LB7
G
No start/no crank/Delay before start issue Help!!!
Replies
5
Views
1K
zakkb787
zakkb787
T
Kodiak AC configuration
Replies
3
Views
278
hhh217
H
Mogman
Lower profile oil fill tube
Replies
8
Views
1K
ZeroGravity58
ZeroGravity58
07SilveradoHD
Female Pins for Glow Plug Module LMM
Replies
0
Views
430
07SilveradoHD
07SilveradoHD
M
Whine during acceleration
Replies
1
Views
1K
Hoser
H
Yngdmax92
2008 lmm p0088
Replies
5
Views
1K
2004LB7
2004LB7
B
Help?
Replies
6
Views
577
BusaGOD
B
B
Thoughts on Running ATF with your Fuel
Replies
17
Views
5K
NC-smokinlmm
NC-smokinlmm
G
LML Fan Clutch Cycling on and off
Replies
5
Views
2K
Cody324
C
WVRigrat05
PCV reroute on stock LML
Replies
1
Views
334
slowlml
slowlml
Madspeed
Starts runs like sheet then dies
Replies
16
Views
1K
Madspeed
Madspeed
Mogman
LYY intake horn on LMM turbo?
Replies
9
Views
868
Mogman
Mogman
C
Remote oil filter
Replies
0
Views
321
ctodd36
C
G
Brake controller
Replies
3
Views
645
Ron Nielson
R
D
Short on FPR sensor wire, ecm pin 42
Replies
1
Views
703
2004LB7
2004LB7
mojito5000
No start, no codes, this truck is killing me!
Replies
17
Views
2K
mojito5000
mojito5000
Goad
Need some technical advice...
Replies
67
Views
4K
S Phinney
S
Dante2795
Issues with stalling and fuel rail pressure
Replies
10
Views
932
2004LB7
2004LB7
W
LML Stealth 64 Review
Replies
2
Views
970
Woody35
W
D
Turbo suggestions for 7.1 build
Replies
16
Views
780
Dustin Ellis
D
DuramaxRamRod
New L5P
Replies
14
Views
4K
DuramaxRamRod
DuramaxRamRod
Pure Diesel
ACDelco filters TP3018
Replies
10
Views
3K
Ne-max
Ne-max
C
LML LML Turbo + Upgrades while motors out?
Replies
3
Views
432
scramHD
scramHD
ikeG
Pistons hard to find, anything else??
Replies
12
Views
662
DieselDemon18
DieselDemon18
K
Bad knock at idle. No throttle response
Replies
9
Views
1K
MMLMM
MMLMM
Mogman
LMM water pump replace?
Replies
6
Views
790
Mogman
Mogman
C
Def heater?
Replies
5
Views
766
036.6turbo
036.6turbo
B
2007 GMC 3500 HD No crank No start
Replies
15
Views
1K
juddski88
juddski88
kiwilml
Any thoughts on 'drop in s300' turbo
Replies
41
Views
10K
Bdsankey
Bdsankey
Mogman
263XHD transfer case schematics
Replies
6
Views
1K
2004LB7
2004LB7
J
Now what: Gasoline in diesel
Replies
6
Views
878
clrussell
clrussell
W
BCM or VTD or both?
Replies
2
Views
530
Chevy1925
Chevy1925
A
P0090 After Changing Thermostats
Replies
22
Views
4K
Ron Nielson
R
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