Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
lexa
Thumping noise coming from intake

LLY New

1.3K
17.4K
Threads
1.3K
Messages
17.4K
1FastBrick
LLY Ficm

LBZ New

1.2K
14.3K
Threads
1.2K
Messages
14.3K
TheBac
WEIRD SHAKES AT IDLE???

LMM

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

654
8.4K
Threads
654
Messages
8.4K
2004LB7
Misfire at 1200rpm

L5P New

124
3.8K
Threads
124
Messages
3.8K
Rdomeck
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 New

397
2.3K
Threads
397
Messages
2.3K
gmc502
2016 alternator 2 pin connector P/N

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 New

653
10.7K
Threads
653
Messages
10.7K
1FastBrick
Which trans fluid ?

The Pharmacy

Nitrous, Propane, Meth, oxidizers
172
3.2K
Threads
172
Messages
3.2K
Baking83
Nitrous
b.d.keathley
2015 duramax mods
Replies
16
Views
7K
b.d.keathley
b.d.keathley
R
p1238?
Replies
2
Views
2K
roxyfever
R
S
LB7: Diesel fuel in crankcase
Replies
10
Views
5K
SMDiesel1
S
B
LBZ mod help!
Replies
3
Views
2K
dunnc1991
D
SWatkins
Cold start/glow plug question
Replies
2
Views
1K
SWatkins
SWatkins
Ridin'GMC
Rear axle shaft
Replies
2
Views
1K
Ridin'GMC
Ridin'GMC
V
Weird issues with dipaco fuel return lines
Replies
1
Views
798
x MadMAX DIESEL
x MadMAX DIESEL
DefiantArms
What do these wires go to?
Replies
9
Views
1K
clrussell
clrussell
SickLL7Crenshaw
Schaeffers Roll Call
Replies
17
Views
4K
Tonyt63
T
770JOHNNYW
lml gtx42 install?
Replies
8
Views
2K
770JOHNNYW
770JOHNNYW
grizzly1719
Injection control module tripping off half of my injectors
Replies
6
Views
2K
grizzly1719
grizzly1719
millerman04
Finally found problem
Replies
3
Views
1K
TeaBagger2006
TeaBagger2006
kenp313
head gasket -.020 over bore
Replies
5
Views
2K
kenp313
kenp313
superswamper003
PCV kicking my arse...
Replies
17
Views
2K
superswamper003
superswamper003
D
Ported or aftermarket turbo horn?
Replies
11
Views
4K
Dura-anon
D
C
LBZ: Porting rail fitting
Replies
36
Views
10K
1SloLMM
1SloLMM
D
Help. Proper injector cup install.
Replies
10
Views
9K
PureHybrid
PureHybrid
wtnoah333
Looking at upgrading my 2001 lb7 original turbo?
Replies
8
Views
2K
Yngdmax92
Yngdmax92
770JOHNNYW
need a complete engine.
Replies
7
Views
1K
770JOHNNYW
770JOHNNYW
GreaseMonkey
Is this a ticking time bomb?
Replies
5
Views
2K
NC-smokinlmm
NC-smokinlmm
mbc230
Coolant Leak
Replies
20
Views
6K
c20elephant
c20elephant
kenp313
main and rod bearing sizes
Replies
9
Views
2K
kenp313
kenp313
Summitsmoke403
cfs 7103 intercooler good? bad?
Replies
1
Views
884
Summitsmoke403
Summitsmoke403
x MadMAX DIESEL
Wrist pins
Replies
1
Views
860
codyn
codyn
Idahodmax
Edge juice w/ attitude and efi live
Replies
9
Views
3K
superswamper003
superswamper003
M
Another fuel filter housing question
Replies
2
Views
1K
Maddness
M
P
LBZ: Occasional low power and black smoke
Replies
16
Views
32K
tjmjjbjt
T
gmasko
Rear Axle Crack
Replies
19
Views
3K
gmasko
gmasko
0
Wicked Diesel CP3 help
Replies
3
Views
1K
x MadMAX DIESEL
x MadMAX DIESEL
M
LMM: Need a LMM DPF
Replies
4
Views
1K
chrisop91
C
N
Coolant leak driver side!!!!
Replies
7
Views
25K
c20elephant
c20elephant
Idahodmax
Efi live not downshifting???
Replies
14
Views
2K
IOWA LLY
IOWA LLY
J
tuning question
Replies
24
Views
3K
DMAXchris
DMAXchris
UGAfsuFAN
Autometer Gauges
Replies
5
Views
1K
Max Attitude
Max Attitude
Idahodmax
Need suggestions
Replies
29
Views
2K
JoshH
JoshH
Black_Cloud
Fuel Issues. Truck is down.
Replies
7
Views
1K
juddski88
juddski88
MarylandDmax
Steering and Suspension help
Replies
9
Views
2K
c20elephant
c20elephant
fastpunker
LB7: Fuel Rail Pressure Sensor voltage/signal???
Replies
3
Views
5K
JoshH
JoshH
P
rear axle bolts coming loose
Replies
7
Views
2K
pannenter
P
kiwilml
S400 Turbo Failure
Replies
13
Views
3K
kiwilml
kiwilml
D
Help! Piston Ring setup
Replies
8
Views
4K
slipclutchms
slipclutchms
L
Crankcase Pressure
Replies
22
Views
8K
LR Pat
L
CancerPipe
LB7: Possible bad turbo?
Replies
4
Views
2K
CancerPipe
CancerPipe
LLYDMAX13
Industrial injection 42% cp3
Replies
12
Views
2K
PureHybrid
PureHybrid
booxr800
Need addvice
Replies
27
Views
3K
booxr800
booxr800
conrad9691
Lbz upgrades
Replies
4
Views
2K
04chase
0
D
Assembling motor. Need answers!!
Replies
65
Views
8K
Robby Avery
Robby Avery
S
LBZ: duramax down
Replies
2
Views
1K
steven_koenke
S
Robby Avery
Need help with u joints please......................
Replies
13
Views
5K
Robby Avery
Robby Avery
DPC
Dropping rail with 3 CP3s?
Replies
47
Views
5K
ikeG
ikeG
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