Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
Chevy1925
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
PureHybrid
Oil prime

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
zakkb787
AC Delco blower motor part number for 02?
Replies
3
Views
1K
zakkb787
zakkb787
S
2005 LLY. PLEASE HELP!!!! excessive smoke
Replies
17
Views
3K
Sourdough
S
Wikid
Remote Oil line for valley turbo
Replies
0
Views
651
Wikid
Wikid
The Kansan
Metal in oil..What do you guys think???
Replies
19
Views
3K
NC-smokinlmm
NC-smokinlmm
H
Allison 5sp: Trans Fluid??
Replies
5
Views
4K
LB7 1stimer
L
B
LBZ extreme whistle issue
Replies
23
Views
7K
WolfLMM
WolfLMM
Lbzmaxx
Rough idle?!
Replies
8
Views
2K
DMAXchris
DMAXchris
J
LBZ: Lbz fuel line
Replies
2
Views
2K
TheBac
TheBac
ChrisPerry
LB7: Do head gaskets too?
Replies
11
Views
2K
WVRigrat05
WVRigrat05
F
Diesel Additive in an LMM?
Replies
23
Views
3K
BoiseRob
BoiseRob
Bonestock
Help! LLY buddy in a bind.
Replies
1
Views
1K
Bonestock
Bonestock
S
Code Reader plug-in is located Where....???
Replies
10
Views
4K
JoshH
JoshH
RIDMAX
U1301 code question
Replies
0
Views
2K
RIDMAX
RIDMAX
oscyjack
Boost leak test- hot side pipe ID?
Replies
30
Views
12K
jelweldr177
jelweldr177
jelweldr177
Egts
Replies
8
Views
2K
jelweldr177
jelweldr177
T
LB7: '03 LB7 Value with Trans
Replies
8
Views
2K
036.6turbo
036.6turbo
Bartrick
LMM: Code p0234 help
Replies
10
Views
4K
Bartrick
Bartrick
J_Stone06
Now what??
Replies
15
Views
2K
J_Stone06
J_Stone06
K
LML Lml fuel rails and can they be flushed or cleaned out?
Replies
2
Views
2K
kvw4x4
K
SteveFord
LML lift pump
Replies
22
Views
6K
nick31
nick31
770JOHNNYW
LLY: Looking for opinions
Replies
2
Views
1K
aashton1206
A
B
DPF delete for a squad
Replies
15
Views
3K
OregonDMAX
OregonDMAX
F
Thinking about S300 on LML looking for opinions
Replies
11
Views
4K
FSUwelder1212
F
S
LBZ: LBZ Blowing blue on cold start up?
Replies
10
Views
4K
ty_LBZ
ty_LBZ
jamietrippy
04 chevy 2500hd lb7 help
Replies
14
Views
2K
jamietrippy
jamietrippy
6
Need some ideas
Replies
33
Views
4K
6.6lb7duramax
6
Black_Cloud
Even more problems. Is my FICM fried?
Replies
4
Views
2K
Black_Cloud
Black_Cloud
R
Weird noise
Replies
3
Views
1K
torqued2dmax
torqued2dmax
C
Gates Powergrip
Replies
6
Views
1K
ChrisPerry
ChrisPerry
Bjoh24
Oil pressure
Replies
7
Views
1K
JRein
J
Wikid
Alternator bad?
Replies
5
Views
2K
TLyons90
TLyons90
D1rty-max
69/484
Replies
15
Views
3K
D1rty-max
D1rty-max
Houser04lly
P2138 & p2140
Replies
0
Views
1K
Houser04lly
Houser04lly
quinton
LLY: Turbo rebuilders
Replies
3
Views
1K
quinton
quinton
Pwinland95
LB7: Lb7 Turbo Oil Leak
Replies
5
Views
2K
Pwinland95
Pwinland95
firechaser1141
Tips to install new exhaust manifolds and up pipes
Replies
16
Views
6K
BlkMax
BlkMax
T
How to measure injector lpm on lb7
Replies
3
Views
1K
delong_1
delong_1
CentolaCCSB
Lift pump question
Replies
4
Views
1K
wilsondiesel
wilsondiesel
V
Diesel Select brand refurbished injectors
Replies
15
Views
3K
Veikra
V
hntngkd
Cleaning fuel rails
Replies
14
Views
4K
stibuilder
stibuilder
E
LB7 sluggish no power until 3rd gear
Replies
22
Views
3K
JRein
J
MechanicalReign
LB7: Need passenger side manifold Columbus ohio area
Replies
1
Views
925
MechanicalReign
MechanicalReign
danzick
changing fuel filters with time?
Replies
7
Views
1K
THEFERMANATOR
THEFERMANATOR
zakkb787
S&B filter: new filter or clean?
Replies
4
Views
1K
TLyons90
TLyons90
V
Need Hydroboost seal kit, sellers won't ship to canada
Replies
15
Views
3K
Veikra
V
prostreeter600
Who's running TRIPLES and how do you like em verses compounds
Replies
119
Views
24K
dordtrecht5
dordtrecht5
M
LMM: Coolant adapter plate
Replies
5
Views
2K
TheBac
TheBac
zakkb787
Possible power numbers?/pointers and thoughts
Replies
39
Views
4K
zakkb787
zakkb787
Chad006
Thinking maybe Nitrous
Replies
10
Views
3K
Chad006
Chad006
B
LB7 4 inch exhaust - Flo Pro or MBRP?
Replies
26
Views
5K
Blackmax123
B
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