Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.6K
Threads
2.2K
Messages
31.6K
TheBac
Head gasket build

LLY New

1.3K
17.1K
Threads
1.3K
Messages
17.1K
DAVe3283
LLY Ficm

LBZ New

1.1K
14.1K
Threads
1.1K
Messages
14.1K
shakenfake
Service Brake System message

LMM New

750
11.1K
Threads
750
Messages
11.1K
Z
Stubborn 2 big connectors

LML New

627
8.1K
Threads
627
Messages
8.1K
S
Fuel injector codes

L5P New

108
3.4K
Threads
108
Messages
3.4K
bsmall2800
OBDII "Not Ready" for SMOG TEST

Transfer Case / Axles / Driveshafts Tech

287
3.4K
Threads
287
Messages
3.4K
J
2003 duramax 2500 HD 4 wheel drive Strange noise

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
Y
Is this a stock turbo?

General Fuel System & Exhaust Questions New

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

Fluids and Maintenance New

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
Schwinn68
Airdog 2 replacement motor
Replies
16
Views
11K
Chevy1925
Chevy1925
D
L5P Fass Drop In Filter Set Up
Replies
3
Views
142
dmax_ty
D
K
reinstalling front diff into-LBZ frame
Replies
4
Views
143
karolko
K
D
What's up with all these codes? 2006 LBZ
Replies
3
Views
142
Ron Nielson
R
Dm23
Oil leaking out of the tail pipe
Replies
14
Views
255
Dm23
Dm23
I
Rail Pressure...P1093...
Replies
1
Views
97
Ron Nielson
R
A
LBZ Passenger side return line popping off
Replies
0
Views
112
Acela
A
S
U0101 issues
Replies
2
Views
126
Chevy2005
C
nojokat
Cracked piston
Replies
11
Views
413
Chevy2005
C
gmc502
2016 denali pitman arm nut
Replies
5
Views
188
gmc502
gmc502
T
LB7 - Engine starts then dies - Reusing low pressure fuel hose clamps
Replies
12
Views
236
darkness
darkness
B
158 MPH Max speed?
Replies
6
Views
2K
kaylabryn
K
Dm23
P2610
Replies
3
Views
139
Ron Nielson
R
D
Water pump 2006 7 blade or 8?
Replies
8
Views
225
Bdsankey
Bdsankey
darkness
Injector time…
Replies
27
Views
339
1FastBrick
1FastBrick
R
Shop time to replace a CP4 with CP3
Replies
2
Views
182
Chevy1925
Chevy1925
A
LB7 CRANKS BUT NO START
Replies
29
Views
4K
tyler.johnson08
T
O
coolant fan relay location
Replies
13
Views
262
2004LB7
2004LB7
T
Transfer case range shift
Replies
4
Views
275
2005_LLwhyyy
2
W
Hydroboost trouble shooting?
Replies
7
Views
289
68ss
6
savagemushroom
New Here! LB7 Fuel System Questions large project
Replies
3
Views
176
Bdsankey
Bdsankey
R
2012 GMC LML won’t start, have CP3 upgrade questions
Replies
13
Views
348
TheBac
TheBac
R
Lb7 and LLY UNDERHOOD FUSE PANEL CONNECTIONS!!
Replies
5
Views
112
ryancalcote35
R
J
Gauges and Transmission going crazy
Replies
3
Views
91
aketay
aketay
D
L5P Coolant drain and fill
Replies
4
Views
226
Chevy1925
Chevy1925
A
Low Coolant light.
Replies
2
Views
91
darkness
darkness
G
2015 Duramax exhaust leak
Replies
5
Views
188
Bdsankey
Bdsankey
BLACKMAX1
Truck dies at random, no codes
Replies
4
Views
145
BLACKMAX1
BLACKMAX1
Mogman
Some LBZ questions...
Replies
20
Views
538
Mogman
Mogman
N
LB7 Heads
Replies
5
Views
151
1FastBrick
1FastBrick
N
LB7 Exhaust
Replies
25
Views
498
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
10K
malibu795
malibu795
F
2011 LML turbo removal help (manual calls for dropping transmission?)
Replies
0
Views
95
fishv12
F
K
2005 Chevy kodiak 4500 Shutting Down
Replies
10
Views
195
Ron Nielson
R
Nomad_LBZ
Truck is running on 4 cyl, shot in the dark for help.
Replies
5
Views
306
2004LB7
2004LB7
M
Knocking noise
Replies
13
Views
506
mississippiray
M
B
2018 l5p high county U18A2 help
Replies
23
Views
764
kidturbo
kidturbo
M
engine hesitation/misfire 2012 LML
Replies
2
Views
141
2004LB7
2004LB7
C
CP4 Failure - Fleece Conversion - Upgrade anything else?
Replies
5
Views
294
2004LB7
2004LB7
D
LB7 Coolant in Oil, Help!
Replies
2
Views
173
dgalvin66
D
nojokat
Did I blow it up?
Replies
10
Views
397
Bdsankey
Bdsankey
03Duramax86
P0335
Replies
52
Views
12K
Ron Nielson
R
B
Lly will not prime
Replies
2
Views
174
RVN4ME
RVN4ME
P
S400 downpipe
Replies
0
Views
101
Porno Joe
P
Mogman
How much oil is left in the system?
Replies
1
Views
171
2004LB7
2004LB7
D
LBZ: No Crank/No Start
Replies
39
Views
51K
2004LB7
2004LB7
T
Reliable LML
Replies
6
Views
384
NC-smokinlmm
NC-smokinlmm
PureHybrid
Chinese FICM
Replies
41
Views
1K
2004LB7
2004LB7
Wyatt.bilodeau
P1631 no crank no start
Replies
5
Views
190
Ron Nielson
R
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