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
jpowel29
Mishimoto Aluminum Radiator
Replies
18
Views
5K
06DDLBZ
0
T
Lmm whine..video attached
Replies
7
Views
4K
KyleC4
K
T
First post, first dmax, first wanna set it on fire feeling
Replies
6
Views
2K
bludelux
bludelux
C
Front Diff Lift mod
Replies
8
Views
2K
Chevy1925
Chevy1925
Z
LLY: Need help installing Y Bridge on LLY
Replies
53
Views
15K
countrycorey
countrycorey
Bill H
aftermarket oil filter system
Replies
3
Views
4K
jlawles2
J
Z
LLY: how to remove LLY Turbo?
Replies
20
Views
5K
Dozerboy
Dozerboy
Dominic_StarliteDiesel
LLY: Wtb: Gtx4508
Replies
3
Views
1K
WVRigrat05
WVRigrat05
O
LLY: smell, smoke hard throttle
Replies
6
Views
1K
oldwrench
O
2
LB7: Im at a loss, please help
Replies
5
Views
2K
TLyons90
TLyons90
F
High frequency vibration at 1500 rpm
Replies
0
Views
1K
fjcruiser8
F
eaust96
LLY: God I love LLY's
Replies
22
Views
4K
petros floros
P
R
def ?
Replies
3
Views
1K
TLyons90
TLyons90
W
Duramax morning startup
Replies
1
Views
1K
TheBac
TheBac
kubitza123
MA motor mounts and Transfer case brace = driveline vibration felt now??
Replies
6
Views
2K
WVRigrat05
WVRigrat05
dman777
Mit usa lift pump help!!!!!
Replies
10
Views
3K
N2BRK
N2BRK
X
How should I proceed!?
Replies
5
Views
1K
aklbz
aklbz
LWATSON
Shout out to Levi!!!
Replies
6
Views
2K
Turbo Performance
Turbo Performance
Troysalm71
Lml turbo removal
Replies
9
Views
15K
Troysalm71
Troysalm71
oscyjack
LMM: Original suspension height measurements
Replies
2
Views
1K
oscyjack
oscyjack
Chevy1925
Mini spool for open diff ???
Replies
2
Views
1K
Chevy1925
Chevy1925
J
LB7: Lb7 turbo leaking coolant
Replies
5
Views
2K
BlkMax
BlkMax
zf>allison
biggest nozzles on stock injectors?
Replies
24
Views
7K
S Phinney
S
T
LLY: no go over 2000 rpm
Replies
12
Views
4K
2004LB7
2004LB7
Dave69
Drop in compressor wheel for stock lb7
Replies
8
Views
2K
zakkb787
zakkb787
JeremyDon88
New look.
Replies
6
Views
1K
JeremyDon88
JeremyDon88
wilsondiesel
Billet slide collar or one piece?
Replies
11
Views
2K
IOWA LLY
IOWA LLY
1champagne_dmax
LBZ: Big Single Looking for more
Replies
7
Views
2K
dmaxerLLY
dmaxerLLY
1953drtelco
Canadian LBZ---Any Issues?
Replies
5
Views
2K
1953drtelco
1953drtelco
wilsondiesel
Traction control/stabilitrak disable??
Replies
41
Views
13K
WVRigrat05
WVRigrat05
Troysalm71
Smoke
Replies
8
Views
1K
Troysalm71
Troysalm71
8lug
blown out dipstick
Replies
35
Views
14K
Chad006
Chad006
BrandonLLY
Air dog 4G questions
Replies
6
Views
3K
BrandonLLY
BrandonLLY
2007LBZ
Stripped Oil Drain Plug Head
Replies
27
Views
6K
whitetrash21
whitetrash21
K
Shutter/Slip when taking off from stop
Replies
6
Views
2K
ksstang
K
jonathancasey19
03+ Newer Seats in 01-02
Replies
5
Views
2K
jonathancasey19
jonathancasey19
G
LB7: Fuel leak only when tank is full.
Replies
8
Views
2K
gsx4speed
G
J
Ike towing test - Gm does it again
Replies
15
Views
6K
Chavez91
Chavez91
LBZ
Cat Adapter for the 15/16
Replies
14
Views
2K
NC-smokinlmm
NC-smokinlmm
BHoward6.6
LML AirDog mounting options
Replies
12
Views
3K
BHoward6.6
BHoward6.6
TheBac
Dayco SFI balancer?
Replies
22
Views
4K
TheBac
TheBac
Black_Cloud
Machine Shop Prep
Replies
15
Views
2K
Black_Cloud
Black_Cloud
LBZ
Hey Nerds......Wireless Charging
Replies
18
Views
3K
LBZ
LBZ
M
new to duramax
Replies
0
Views
1K
mossy
M
Lance LB7
Transfer case issue
Replies
12
Views
3K
oscyjack
oscyjack
M
2004 speedometer
Replies
9
Views
2K
THEFERMANATOR
THEFERMANATOR
thedirtyD
lb7 downpipe
Replies
4
Views
2K
thedirtyD
thedirtyD
firechaser1141
Broke up pipe bolts
Replies
10
Views
5K
cntry125
cntry125
Sledhead
LB7: Injectors, bent rods, or?
Replies
17
Views
5K
danzick
danzick
K
LBZ: Which Harmonic balancer?
Replies
5
Views
2K
TheDirty06
T
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