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

654
8.4K
Threads
654
Messages
8.4K
F
Got a couple of cylinder contribution codes

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

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
OnixMax
LB7 Voltage Dip
Replies
24
Views
7K
OnixMax
OnixMax
Harbin_22
Duraflite in an LMM?
Replies
80
Views
15K
DieselmafiaLLY
DieselmafiaLLY
S
looking for some help
Replies
0
Views
1K
samfaucette
S
motoking_1990
BOV questions
Replies
31
Views
5K
S Phinney
S
LWATSON
Fuelab lift pumps
Replies
68
Views
14K
LBZ
LBZ
B
LLY: headgasket replacement
Replies
68
Views
15K
chandler583
C
M
dsp5 switch
Replies
3
Views
2K
mhauser
M
L
Cat filter/adaptor + Raptor lift pump??
Replies
17
Views
9K
JoshH
JoshH
F
coolant loss
Replies
5
Views
3K
chandler583
C
W
Noisy LLY Duramax
Replies
19
Views
7K
Veikra
V
D
04 trucks?
Replies
63
Views
9K
Awenta
Awenta
lucas6.6
DHD Centerlink Brace
Replies
9
Views
2K
lucas6.6
lucas6.6
H
Balance rates wont show.
Replies
6
Views
3K
Brent@LDS
Brent@LDS
H
How to get into contact with Bill
Replies
14
Views
2K
OregonDMAX
OregonDMAX
White Duramax
Starts then dies immediately
Replies
9
Views
7K
295PRO
295PRO
JDPlowboy
Cleaning upper valve covers
Replies
10
Views
2K
JoshH
JoshH
Rancelot211
Suncoast 1054 and Danville bmw 3794
Replies
4
Views
1K
Rancelot211
Rancelot211
whitey
DP Gauge
Replies
10
Views
2K
chevyburnout1
chevyburnout1
thunder550
Removing crank bolt with engine on stand
Replies
23
Views
4K
RPM Motorsports
RPM Motorsports
T
04 LB7 Injector Cups?
Replies
15
Views
8K
TDmkr496
T
295PRO
Intake heater lb7
Replies
2
Views
2K
295PRO
295PRO
Muff
LB7: Tcase 261-263 breakage
Replies
23
Views
4K
TheBac
TheBac
catman3126
LB7 Low rail pressure and other problems
Replies
10
Views
4K
catman3126
catman3126
dirtydmax
Question: Wastegate location
Replies
4
Views
1K
dirtydmax
dirtydmax
andy-stevenson
Valve Springs
Replies
5
Views
1K
dirtydmax
dirtydmax
paint94979
Size differences on BorgWarner vs. Garrett
Replies
5
Views
3K
Burn Down
Burn Down
D
New injector problem
Replies
9
Views
2K
S Phinney
S
D
injectors
Replies
9
Views
1K
Muff
Muff
Rancelot211
lmm lower boot help
Replies
5
Views
1K
Rancelot211
Rancelot211
Muff
LLY turbine wheel
Replies
16
Views
6K
Muff
Muff
Dave L Weaver
LB7: Balance rate question
Replies
10
Views
1K
JR WEAVER
JR WEAVER
ALLY Fox
LLY replaced #2, now #8 is going bad and #2 high?
Replies
13
Views
2K
c20elephant
c20elephant
yamaha537
manifold removal
Replies
6
Views
3K
yamaha537
yamaha537
J
EGR elimination help
Replies
12
Views
3K
ty_LBZ
ty_LBZ
Firefightkev
pto/high idle
Replies
2
Views
1K
Firefightkev
Firefightkev
LBZ1991
heated seats problem
Replies
14
Views
3K
mechman3
M
D
Need Advice please on my diesel nightmare!
Replies
8
Views
2K
dieselinfomaniac
D
DIESELMAFIAPER.LB7
lly won't cold start
Replies
16
Views
9K
THEFERMANATOR
THEFERMANATOR
dirty max 2500
piston inspection..
Replies
11
Views
2K
Awenta
Awenta
DirtyLMM08
LMM: HELP!! - LMM won't crank, truck is stuck at work
Replies
15
Views
6K
DirtyLMM08
DirtyLMM08
D
Help!!! Did an oil change and NO CRANK
Replies
12
Views
2K
Awenta
Awenta
H
LB7: White smoke after injectors and cp3 pump installed
Replies
18
Views
6K
JoshH
JoshH
S
set of LLY injectors
Replies
1
Views
935
smokinscott
S
M
LLY: Easy mods
Replies
2
Views
1K
chandler583
C
S
Alternate HP fuel line routing for dual fueler
Replies
24
Views
5K
quadracer37
quadracer37
L
Tank Size Question
Replies
11
Views
53K
dirtymax36
dirtymax36
Duramaxduner
02 LB7 U joint replacement?
Replies
7
Views
3K
c20elephant
c20elephant
blue09dmaxx
Egr delete
Replies
9
Views
3K
RickDLance
R
ty_LBZ
LBZ: GM head gasket part #
Replies
5
Views
1K
ty_LBZ
ty_LBZ
D
Lucas Injector cleaner
Replies
3
Views
2K
IronDX
I
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