Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2K
Threads
29.1K
Messages
2K
Threads
29.1K
Messages
D
LB7: Fuel Rail Pressure Sensor voltage/signal???

LLY New

1.2K
Threads
14.9K
Messages
1.2K
Threads
14.9K
Messages
MMLMM
Bad knock at idle. No throttle response

LBZ New

1K
Threads
12.8K
Messages
1K
Threads
12.8K
Messages
2004LB7
Issues with stalling and fuel rail pressure

LMM New

648
Threads
10K
Messages
648
Threads
10K
Messages
G
Brake controller

LML New

490
Threads
6.7K
Messages
490
Threads
6.7K
Messages
JoshH
LML-LML powertrain swap.
  • JoshH

L5P New

54
Threads
2.8K
Messages
54
Threads
2.8K
Messages
ikeG
2020 l5p duramax knock at idle cold, worse hot
  • ikeG

Transfer Case / Axles / Driveshafts Tech New

258
Threads
3.1K
Messages
258
Threads
3.1K
Messages
2004LB7
263XHD transfer case schematics

Van

16
Threads
303
Messages
16
Threads
303
Messages
rfletes79
Van failed emissions - P0098 intake air temperature sensor 2 circuit high

Part #'s

394
Threads
2.2K
Messages
394
Threads
2.2K
Messages
xringmaster
Vehicle to trailer plug harness part no.

Turbo Talk New

"Nitrous is nice, but it's best to be Blown"
1.9K
Threads
42.7K
Messages
1.9K
Threads
42.7K
Messages
W
LML Stealth 64 Review

General Fuel Pump & Exhaust Questions New

323
Threads
7K
Messages
323
Threads
7K
Messages
clrussell
Now what: Gasoline in diesel

Fluids and Maintenance New

622
Threads
10.3K
Messages
622
Threads
10.3K
Messages
Yngdmax92
Battery maintainer

The Pharmacy

Nitrous, Propane, Meth, oxidizers
171
Threads
3.1K
Messages
171
Threads
3.1K
Messages
None

Sticky threads

chevyburnout1
  • Sticky
Attention LML owners...
Replies
47
Views
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LBZ
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chevyburnout1
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G80 locker spring mod
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JOHNBOY
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LB7: BPU's for the LB7
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DAVe3283
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McRat
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Info: Duramax Valve Lash Tutorial.
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BOBBYDIESEL 14
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mde
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Nozzles change manual
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TheBac
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LML BPUs for the LML
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wilrob
wilrob
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LLY: BPU List for LLY's
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Black HD
B
Kat
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Emergency Relearn on ECM works on LBZ
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nova88
N
McRat
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ABS problems with tires over 34"
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42
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LBZrcks
L
TrentNell
  • Poll
  • Sticky
Info: Injectors poll
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73
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57K
TonOfDalt
T
paint94979
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Fluid Capacities Sticky
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42
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hondarider552
hondarider552
McRat
  • Sticky
Info: Glossary of Terms:
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14
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20K
ferramento
F
McRat
  • Sticky
Info: Intake Tubing
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9
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Rhall
Rhall

Normal threads

S
LML-LML powertrain swap.
Replies
1
Views
33
JoshH
JoshH
fastpunker
LB7: Fuel Rail Pressure Sensor voltage/signal???
Replies
4
Views
3K
droo08
D
G
Brake controller
Replies
2
Views
63
goldenarm_laird
G
Madspeed
  • Redirect
Stuck in 2 gears?
Replies
–
Views
–
N/A
Madspeed
Starts runs like sheet then dies
Replies
14
Views
281
Madspeed
Madspeed
Dm23
LML INJECTORS
Replies
16
Views
551
2004LB7
2004LB7
C
2020 l5p duramax knock at idle cold, worse hot
Replies
40
Views
3K
ikeG
ikeG
M
No start, no codes, this truck is killing me!
Replies
17
Views
410
mojito5000
M
D
2002 LB7 Voltage Issues
Replies
19
Views
2K
mojito5000
M
Mogman
LYY intake horn on LMM turbo?
Replies
8
Views
160
Mogman
Mogman
S
Hazing LB7 - Couple of Injector Questions
Replies
9
Views
379
sneaky98gt
S
07SilveradoHD
HELP No Shift Indicator Line, No Crank No Start
Replies
18
Views
1K
JoshH
JoshH
B
Help?
Replies
3
Views
91
TheBac
TheBac
Goad
Need some technical advice...
Replies
67
Views
2K
S Phinney
S
Dante2795
Issues with stalling and fuel rail pressure
Replies
10
Views
192
2004LB7
2004LB7
W
LML Stealth 64 Review
Replies
2
Views
124
Woody35
W
D
Turbo suggestions for 7.1 build
Replies
16
Views
314
Dustin Ellis
D
J
Battery maintainer
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5
Views
173
Yngdmax92
Yngdmax92
DuramaxRamRod
New L5P
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14
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2K
DuramaxRamRod
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thunder550
Upper oil pan leak, or other leaks?
Replies
7
Views
649
thunder550
thunder550
Toxic
Squeaky steering wheel/column
Replies
0
Views
66
Toxic
Toxic
Pure Diesel
ACDelco filters TP3018
Replies
10
Views
295
Ne-max
Ne-max
C
LML LML Turbo + Upgrades while motors out?
Replies
3
Views
137
scramHD
scramHD
Yngdmax92
2008 lmm p0088
Replies
3
Views
119
Yngdmax92
Yngdmax92
ikeG
Pistons hard to find, anything else??
Replies
12
Views
358
DieselDemon18
DieselDemon18
K
Bad knock at idle. No throttle response
Replies
9
Views
227
MMLMM
MMLMM
Mogman
LMM water pump replace?
Replies
6
Views
180
Mogman
Mogman
C
Def heater?
Replies
5
Views
199
036.6turbo
036.6turbo
B
2007 GMC 3500 HD No crank No start
Replies
15
Views
345
juddski88
juddski88
kiwilml
Any thoughts on 'drop in s300' turbo
Replies
41
Views
3K
Bdsankey
Bdsankey
Mogman
263XHD transfer case schematics
Replies
6
Views
133
2004LB7
2004LB7
J
Now what: Gasoline in diesel
Replies
6
Views
255
clrussell
clrussell
W
BCM or VTD or both?
Replies
2
Views
154
Chevy1925
Chevy1925
A
P0090 After Changing Thermostats
Replies
22
Views
441
Ron Nielson
R
N
Head gaskets or something else?
Replies
15
Views
814
Dozerboy
Dozerboy
D
LMM engine build Injector/ tune issues
Replies
1
Views
81
rcr1978
rcr1978
K
Operating Temperature
Replies
5
Views
127
TheBac
TheBac
T
S&B tank replacement thoughts.
Replies
4
Views
339
Trimox
T
DMAX Slim
LB7 Airdog lift pump install questions
Replies
5
Views
98
DMAX Slim
DMAX Slim
C
Unknown/intermittent boggin down
Replies
18
Views
233
C4izrite
C
M
Injectors from Oregon Fuel Injection
Replies
4
Views
217
mojito5000
M
D
Cp3 problems
Replies
3
Views
120
Dirtymax2101
D
D
VGT turbo controller for lb7??
Replies
16
Views
638
THEFERMANATOR
THEFERMANATOR
07keo02
LB7: Can Cp3 make noise?
Replies
13
Views
5K
2004LB7
2004LB7
J
Weather stripping
Replies
0
Views
96
Jscott
J
L
Lbz Duramax help
Replies
3
Views
111
TheBac
TheBac
Hammeredwriter
Crank no start after injectors
Replies
0
Views
61
Hammeredwriter
Hammeredwriter
M
New owner question
Replies
1
Views
176
TheBac
TheBac
D
Engine shuttering after cranking. Won’t run over 35mph
Replies
3
Views
84
2004LB7
2004LB7
N
LMM Whine during acceleration
Replies
2
Views
225
Ron Nielson
R
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