Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.7K
Threads
2.2K
Messages
31.7K
T
Transmission Dump-shifts, VATS Light On (truck runs and drives).

LLY New

1.3K
17.1K
Threads
1.3K
Messages
17.1K
JoshH
LLY Ficm
  • JoshH

LBZ New

1.1K
14.2K
Threads
1.1K
Messages
14.2K
2004LB7
07 Classic 2500 Hd crank no start

LMM New

755
11.1K
Threads
755
Messages
11.1K
G
Need some guidance

LML New

634
8.2K
Threads
634
Messages
8.2K
Chevy1925
Lml stuck in high idle?

L5P New

112
3.4K
Threads
112
Messages
3.4K
TheBac
In need of some guidance

Transfer Case / Axles / Driveshafts Tech

288
3.4K
Threads
288
Messages
3.4K
J
Service 4wd C0321 code

Van

17
310
Threads
17
Messages
310
D
Custom Van Air Intake

Part #'s

395
2.2K
Threads
395
Messages
2.2K
1FastBrick
2007 LMM Front Diff Fill Plug P/N

Turbo Talk New

"Nitrous is nice, but it's best to be Blown"
1.9K
43.6K
Threads
1.9K
Messages
43.6K
JoshH
67 drop in making noise, s400 time?
  • JoshH

General Fuel System & Exhaust Questions

364
7.6K
Threads
364
Messages
7.6K
PureHybrid
Stroker pump differences

Fluids and Maintenance

651
10.7K
Threads
651
Messages
10.7K
DAVe3283
Got Sludge?

The Pharmacy

Nitrous, Propane, Meth, oxidizers
172
3.2K
Threads
172
Messages
3.2K
Baking83
Nitrous

Sticky threads

M
  • Sticky
LLY Ficm
Replies
888
Views
27K
JoshH
JoshH
paint94979
  • Sticky
Fluid Capacities Sticky
Replies
49
Views
44K
Chevy1925
Chevy1925
JoshH
  • Locked
  • Sticky
2020 oil cooler part numbers
Replies
2
Views
489
Chevy1925
Chevy1925
chevyburnout1
  • Sticky
Attention LML owners...
Replies
47
Views
24K
LBZ
LBZ
chevyburnout1
  • Sticky
G80 locker spring mod
Replies
48
Views
12K
Yngdmax92
Yngdmax92
JOHNBOY
  • Sticky
LB7: BPU's for the LB7
Replies
64
Views
82K
DAVe3283
DAVe3283
bullfrogjohnson
  • Sticky
The $20 LB7 Injector Cup Tool
Replies
40
Views
63K
rickcdewitt
R
McRat
  • Sticky
Info: Duramax Valve Lash Tutorial.
Replies
31
Views
72K
BOBBYDIESEL 14
BOBBYDIESEL 14
mde
  • Sticky
Nozzles change manual
Replies
3
Views
8K
Frogman1
Frogman1
TheBac
  • Sticky
LMM: BPUs for the LMM
Replies
12
Views
4K
Bulldogr6
Bulldogr6
TheBac
  • Sticky
LML BPUs for the LML
Replies
2
Views
8K
AZlml
AZlml
TheBac
  • Sticky
LBZ: BPUs for the LBZ
Replies
1
Views
8K
Ne-max
Ne-max
McRat
  • Sticky
Which Turbocharger is right for me?
Replies
124
Views
93K
wilrob
wilrob
McRat
  • Sticky
LLY: BPU List for LLY's
Replies
23
Views
55K
Black HD
B
Kat
  • Sticky
Emergency Relearn on ECM works on LBZ
Replies
23
Views
70K
nova88
N
McRat
  • Sticky
ABS problems with tires over 34"
Replies
42
Views
55K
LBZrcks
L
TrentNell
  • Sticky
  • Poll
Info: Injectors poll
Replies
73
Views
58K
TonOfDalt
T
McRat
  • Sticky
Info: Glossary of Terms:
Replies
14
Views
20K
ferramento
F
McRat
  • Sticky
Info: Intake Tubing
Replies
9
Views
17K
Rhall
Rhall

Normal threads

Wyatt.bilodeau
Lml stuck in high idle?
Replies
6
Views
80
Chevy1925
Chevy1925
LSxBakakos
67 drop in making noise, s400 time?
Replies
6
Views
192
JoshH
JoshH
NevadaLLY
LLY Limp mode - P0203 and P2149
Replies
14
Views
115
2004LB7
2004LB7
R
07 Classic 2500 Hd crank no start
Replies
8
Views
104
2004LB7
2004LB7
J
2015 LML P0483 Issue
Replies
4
Views
56
Chevy1925
Chevy1925
Bateman1lml
To build or not to build?
Replies
40
Views
532
Chevy1925
Chevy1925
T
Transmission Dump-shifts, VATS Light On (truck runs and drives).
Replies
13
Views
331
TahlulaMax13
T
L
Head gasket build
Replies
62
Views
2K
2004LB7
2004LB7
J
Fuel knock
Replies
10
Views
193
2004LB7
2004LB7
G
Need some guidance
Replies
3
Views
96
GreyFox11
G
N
Lb7 turbo inlet
Replies
7
Views
119
Bdsankey
Bdsankey
D
In need of some guidance
Replies
16
Views
171
TheBac
TheBac
DAVe3283
LB7: SAC-style Injector Life
Replies
221
Views
78K
2004LB7
2004LB7
NC-smokinlmm
2024 Duramax issues?
Replies
100
Views
12K
shakenfake
shakenfake
lutzjk913
03 LB7 security light
Replies
49
Views
8K
beaker966
B
pl_silverado
Need some opinions on 2010 LMM build
Replies
22
Views
473
Bdsankey
Bdsankey
N
Compound p/r understanding
Replies
4
Views
120
malibu795
malibu795
F
2016 LML. Maybe a bad injector?
Replies
36
Views
650
flyinwrenches
F
J
help! locked up lb7 or is it transmission??
Replies
8
Views
204
2004LB7
2004LB7
DieselDaze
LLY Headgaskets/ studs and everything else I should replace...
Replies
25
Views
305
PureHybrid
PureHybrid
56taskforce
Cam change question
Replies
10
Views
275
shakenfake
shakenfake
C
Rocker arm assembly, torque specs
Replies
3
Views
110
1FastBrick
1FastBrick
Mogman
Some LBZ questions...
Replies
22
Views
773
Nate’s Dmax
Nate’s Dmax
Jordan715
lb7 "stutter" under acceleration.
Replies
4
Views
133
Bdsankey
Bdsankey
T
05 LLY Baro wiring diagram
Replies
4
Views
97
Ron Nielson
R
H
LB7 with LMM components
Replies
3
Views
116
Bdsankey
Bdsankey
motoking_1990
LLY issue and Its been a long time [emoji1]
Replies
6
Views
156
motoking_1990
motoking_1990
D
Need help
Replies
2
Views
324
Chevy1925
Chevy1925
K
06 LBZ P0087 Headache
Replies
44
Views
2K
Dozerboy
Dozerboy
M
04 zf6 fuel knock
Replies
9
Views
447
mamumtsllc
M
K
Passenger battery boiling
Replies
13
Views
3K
Wolverine68
W
T
NOX sensor 2018 2500HD Duramax L5P
Replies
2
Views
138
Chevy1925
Chevy1925
C
Fuel rail pressure to high
Replies
19
Views
5K
PureHybrid
PureHybrid
S
Issues after deleting my LML
Replies
6
Views
249
Jakezed22
Jakezed22
2004LB7
LML service bulletin
Replies
35
Views
979
snowman22
snowman22
P
Catastrophic turbo failure - 72mm Danville performance- Now what?
Replies
28
Views
1K
Bdsankey
Bdsankey
T
Cp3 swap
Replies
2
Views
92
Bdsankey
Bdsankey
J
Help Truck Won't Start
Replies
22
Views
4K
Ron Nielson
R
J
Leak and question about my 2018 l5p duramax
Replies
5
Views
290
gmc502
gmc502
shakenfake
Oil pan drain plug crush washer
Replies
4
Views
164
DAVe3283
DAVe3283
T
911 HELP
Replies
18
Views
602
JoshH
JoshH
J
Service 4wd C0321 code
Replies
2
Views
142
Jstamper
J
S
Injector 6 and 7 issue. Lbz
Replies
1
Views
156
2004LB7
2004LB7
P
high pressure fuel leak
Replies
4
Views
157
2004LB7
2004LB7
B
HDMI & 12v Power Supply coming from Fuse Panel
Replies
3
Views
135
BlckMax
B
S
Fuel injector codes
Replies
3
Views
193
Ron Nielson
R
R
weird fuel pressure issues
Replies
5
Views
188
razorryan10
R
Z
Stubborn 2 big connectors
Replies
3
Views
178
Z71JONES
Z
M
Is this a stock turbo?
Replies
4
Views
239
yellowchevy
Y
shakenfake
Service Brake System message
Replies
99
Views
2K
shakenfake
shakenfake
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