Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
2004LB7
Thumping noise coming from intake

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

653
8.4K
Threads
653
Messages
8.4K
TheBac
Rolling White
  • TheBac

L5P New

124
3.8K
Threads
124
Messages
3.8K
JoshH
Oil prime
  • JoshH

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
S
Oil Pressure Gauge Help Please
Replies
9
Views
5K
ikeG
ikeG
V
Blocked engine fuel return line
Replies
10
Views
9K
Veikra
V
Kilowatt39
Downpipe change out
Replies
15
Views
3K
Kilowatt39
Kilowatt39
Yaryan92
Mass Air Flow sensor! !!
Replies
5
Views
2K
clrussell
clrussell
lmmcbrown0917
LB7: Max rail psi with dual lb7 cp3s
Replies
13
Views
2K
THEFERMANATOR
THEFERMANATOR
M
Great forum
Replies
0
Views
896
mechman3
M
Henry95
LLY: Prestone coolant flush
Replies
14
Views
4K
Dozerboy
Dozerboy
B
Strange squeaking noise at WOT in higher gears
Replies
0
Views
818
boosted4life
B
BUST'EM 504
LBZ: Profab header question on installation
Replies
4
Views
1K
BUST'EM 504
BUST'EM 504
jliddle
Stainless Diesel 5 blades...
Replies
16
Views
6K
jliddle
jliddle
B
LBZ: WTB exergy 100 over or bigger injector
Replies
11
Views
2K
Blackmax123
B
bombardo_6.6
LLY: LLY fuel problems
Replies
5
Views
1K
Bonestock
Bonestock
H
which LLY upgrades would benefit me?
Replies
3
Views
2K
Rancelot211
Rancelot211
DefiantArms
LLY wife issue
Replies
15
Views
3K
Burn Down
Burn Down
B
will lb7 up pipe bolt directly onto lbz?
Replies
5
Views
3K
plowboy_lbz
plowboy_lbz
CokeZero
LLY: Balance Rates..
Replies
37
Views
9K
c20elephant
c20elephant
C
Front Differential interchange?
Replies
1
Views
1K
Blackmax123
B
Pwinland95
LMM: Lmm HP Levels
Replies
24
Views
3K
NC-smokinlmm
NC-smokinlmm
T
Head gasket on the right way?
Replies
4
Views
1K
hondarider552
hondarider552
Houser04lly
Finally doing headgaskets and headstuds
Replies
50
Views
6K
Josh154
Josh154
Parker_
LMM: So My sis has a lmm
Replies
5
Views
1K
DefiantArms
DefiantArms
T
Couple question (turbo and fuel system)
Replies
11
Views
2K
Josh154
Josh154
malibu795
my twist on a aux oil cooler
Replies
36
Views
15K
malibu795
malibu795
Parker_
LLY: Looking for clutches and tc
Replies
5
Views
1K
OregonDMAX
OregonDMAX
TROJAN366
Hole in Fender well for intake
Replies
6
Views
2K
mikey710
M
G
Injector misfires?!?!
Replies
12
Views
6K
gamudslinger88
G
LBZ1991
LLY Turbo Surprise
Replies
10
Views
2K
LBZ1991
LBZ1991
G
Mystery whine/groan
Replies
3
Views
1K
Griz
G
The Kansan
Right Rear door ajar still on DIC
Replies
0
Views
923
The Kansan
The Kansan
D
A/C not blowing like it was.
Replies
9
Views
2K
Chevy1925
Chevy1925
elliottw
IAH Fires
Replies
0
Views
1K
elliottw
elliottw
J
LB7: Diesel in the oil, injectors ok.
Replies
27
Views
3K
2004LB7
2004LB7
lts1ow
PS Lines and Box Replacement
Replies
17
Views
3K
Dozerboy
Dozerboy
02duramaxfan
Fresh build blue smoke????
Replies
3
Views
1K
02duramaxfan
02duramaxfan
R
Which one
Replies
5
Views
1K
DefiantArms
DefiantArms
Robby Avery
Did a search no luck questions..............
Replies
5
Views
2K
Chevy1925
Chevy1925
B
P02CD after installing tune
Replies
20
Views
6K
TheBac
TheBac
dirtydmax
fuel limp
Replies
9
Views
2K
dirtydmax
dirtydmax
StormtrooperLMM
Lift Pump removal of stock fuel filter
Replies
5
Views
2K
D_R_C
D_R_C
jonathancasey19
Replacement Leaf Springs 2002 2500HD
Replies
14
Views
2K
motoking_1990
motoking_1990
durawhore
05 lly p0238
Replies
5
Views
3K
Chevy1925
Chevy1925
deway2go
LB7: low rail pressure when hot
Replies
13
Views
4K
deway2go
deway2go
Fastorange
Lbz injector stuck in head, need ideas to remove it
Replies
3
Views
4K
Burn Down
Burn Down
F
after install airdog 150 lmm 2009 2500
Replies
3
Views
1K
flex
F
8
MBRP 5" Drone
Replies
13
Views
3K
$chultz38
$
Josh154
Just finished turbo swap
Replies
9
Views
3K
Josh154
Josh154
Forced lmm
LMM: not building boost when warm
Replies
5
Views
2K
Forced lmm
Forced lmm
StormtrooperLMM
LMM: Dual fuel filter instal
Replies
7
Views
2K
TeaBagger2006
TeaBagger2006
StormtrooperLMM
Help!!! Decisions on what next to upgrade
Replies
9
Views
2K
blownblue
blownblue
DefiantArms
Pcv rerouted gone wromg
Replies
4
Views
2K
lmmcbrown0917
lmmcbrown0917
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