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
0
Lb7 wiring
Replies
0
Views
1K
01 Sierra 4.8
0
T
3 to 4 stutter on built tranny
Replies
37
Views
5K
ieetgluu
I
Chevy1925
Lets talk big injectors
Replies
67
Views
17K
Chad006
Chad006
Lbzmaxx
Bosch c1 connector
Replies
0
Views
1K
Lbzmaxx
Lbzmaxx
07metallicgreen
9th injector removal
Replies
18
Views
15K
CT2500
CT2500
blackLTZ
Fluid leak Inside cab
Replies
10
Views
3K
blackLTZ
blackLTZ
T
LLY: Valve Lash Help!
Replies
10
Views
4K
hondarider552
hondarider552
x MadMAX DIESEL
Differential welding
Replies
35
Views
5K
Chevy1925
Chevy1925
blue09dmaxx
Triples/stock
Replies
22
Views
5K
blue09dmaxx
blue09dmaxx
cjb2283
Exhaust Brake
Replies
2
Views
1K
cjb2283
cjb2283
A
LB7: Turbo horn intake
Replies
0
Views
964
aashton1206
A
S
turbo question
Replies
6
Views
2K
Robby05
Robby05
R
average mileage
Replies
13
Views
2K
TwinStick
TwinStick
J
Would you look at that!
Replies
9
Views
2K
JRein
J
Rico
LML DEF tank delete
Replies
31
Views
52K
wrc7732
W
0
4wd conversion
Replies
16
Views
5K
CarolinaHD
CarolinaHD
Vmyrhaug
front fender removal when working on engine
Replies
7
Views
1K
c20elephant
c20elephant
diesel53
LML Weird Accelerator Pedal shudder under load
Replies
13
Views
4K
messejme
messejme
L
Ficm wiring help ....
Replies
0
Views
1K
llyreddragon
L
Stancedlb7
Leaf spring bushings
Replies
4
Views
1K
hondarider552
hondarider552
SmokeShow
Lifting Off Cab
Replies
42
Views
28K
IOWA LLY
IOWA LLY
coker6303
AirDog and Cat 1R0751 2 micron absolute filter
Replies
229
Views
109K
Vmyrhaug
Vmyrhaug
496 BB
Oil analysis questions...
Replies
39
Views
7K
496 BB
496 BB
C
Need help with LLY codes
Replies
1
Views
1K
TheBac
TheBac
Robby Avery
Lly trouble codes need help please
Replies
2
Views
2K
KyleC4
K
M
Airdog and cat filter
Replies
1
Views
1K
ALLY Fox
ALLY Fox
TROJAN366
Best Water Pump?
Replies
36
Views
16K
Shep2009
Shep2009
TwinStick
Rear End Gear Whine on Decel
Replies
19
Views
4K
Hnkstang50
H
bludelux
Head gaskets
Replies
15
Views
3K
bludelux
bludelux
Y
LLY surging
Replies
6
Views
2K
Yuptown_lly
Y
C
Looking for info on best options for upgrades
Replies
14
Views
2K
THEFERMANATOR
THEFERMANATOR
Kspen90
PS Pump Mods?
Replies
2
Views
2K
Kspen90
Kspen90
bigmackmiller
LBZ: LBZ Starts shakes then dies
Replies
15
Views
2K
bigmackmiller
bigmackmiller
0
LB7: Coolant Problem
Replies
5
Views
1K
Awenta
Awenta
J
truck jumping in 4x4
Replies
4
Views
2K
NC-smokinlmm
NC-smokinlmm
S
Info: Upcoming Crankshafts!
Replies
47
Views
7K
S Phinney
S
skintback
12mm XP series II pump?
Replies
11
Views
2K
GMC_2002_Dmax
GMC_2002_Dmax
R
LB7 Low rail pressure cause smoke?
Replies
10
Views
3K
Rustorbust
R
unionmax481
What size S400 exhaust housing
Replies
13
Views
2K
Ne-max
Ne-max
lmmcbrown0917
"12mm" ddp stroker pump? Anybody running it?
Replies
15
Views
4K
gmduramax
gmduramax
L
LB7: coolant leak
Replies
4
Views
2K
rfletes79
rfletes79
BLACKMAX1
LMM: Isolate failing FPR with dual fuelers?
Replies
24
Views
4K
c20elephant
c20elephant
stibuilder
Another Y Bridge Question
Replies
4
Views
1K
stibuilder
stibuilder
B
Massive fuel leak?
Replies
11
Views
4K
Brent@LDS
Brent@LDS
Yngdmax92
Descisions descions, help me decide
Replies
6
Views
2K
Yngdmax92
Yngdmax92
N
LB7: installing sending unit on 2003 GMC 2500HD
Replies
4
Views
2K
six5creed
six5creed
J
Leaking Oil Seal?
Replies
11
Views
3K
JRein
J
M
ATS vs PPE exhaust manifolds and up pipes
Replies
14
Views
4K
Teamvi
T
J
LBZ: Coolant smell
Replies
9
Views
5K
Jon7891
J
J
Using VPS on aftermarket turbo?
Replies
0
Views
1K
jwei66
J
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