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
2004LB7
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
J
Old Marine / Old Truck -- need fuel line help
Replies
5
Views
743
Brent@LDS
Brent@LDS
NevadaLLY
CK-4 Oil change - Delo 400 Isosyn -LLY
Replies
9
Views
1K
NevadaLLY
NevadaLLY
Duramax racer 8
I’m looking for a duramaxtuner 67.7 with the Lb7 style down pipe exhaust house
Replies
0
Views
553
Duramax racer 8
Duramax racer 8
N
CP4 market?
Replies
3
Views
973
kiwilml
kiwilml
zakkb787
6.2 Diesel Fuel Pump Question
Replies
4
Views
699
zakkb787
zakkb787
A
LML Blow by
Replies
9
Views
5K
PureHybrid
PureHybrid
P
Y-Bridge install
Replies
5
Views
2K
Bdsankey
Bdsankey
C
Lml po234 po299
Replies
1
Views
464
scramHD
scramHD
K
Low maf reading
Replies
26
Views
6K
Ron Nielson
R
Dozerboy
How much boost before you float the valves?
Replies
9
Views
2K
Dozerboy
Dozerboy
TheBac
S400sxe as a single?
Replies
21
Views
4K
Bdsankey
Bdsankey
S
Head stud question
Replies
3
Views
607
frankenstien
frankenstien
Brent@LDS
Newly Released LDS CP3 Conversion Kit!!!
Replies
4
Views
888
Brent@LDS
Brent@LDS
DylOrr
Oil pressure on start up; losing prime?
Replies
2
Views
742
DylOrr
DylOrr
Dstaub22
LMM: Electrical issues again
Replies
19
Views
2K
Dstaub22
Dstaub22
04LB7yz
Cylinder 5 Missfire and Balance Rate 15 Bad Injector??
Replies
27
Views
2K
Chevy1925
Chevy1925
messejme
Too much pressure
Replies
8
Views
596
messejme
messejme
D
LMM: Low pressure limp (with specifics)
Replies
12
Views
805
WVRigrat05
WVRigrat05
Trotorx2
Service Stabilitrak message
Replies
16
Views
18K
Trotorx2
Trotorx2
N
Y Bridge bolt holes??
Replies
22
Views
4K
nwohiochevyguy
N
X
Air Dog Install
Replies
0
Views
544
XR-Freak
X
zakkb787
Axle seals leaking
Replies
11
Views
1K
JoshH
JoshH
H
Some blue smoke and potent diesel exhaust smell
Replies
2
Views
630
TheBac
TheBac
04LB7yz
LLY: Where To Draw The Line? - Actual Experiences Wanted
Replies
82
Views
12K
04LB7yz
04LB7yz
kws808
Random Stalling
Replies
40
Views
39K
05LLYDMAX
05LLYDMAX
CHEZELTINE
Fuel in coolant
Replies
12
Views
3K
DAVe3283
DAVe3283
coker6365
High Beam Circuit Not Working
Replies
4
Views
1K
coker6365
coker6365
NevadaLLY
LLY twins? Or bigger VGT?
Replies
60
Views
8K
slowlml
slowlml
NevadaLLY
LLY Intercooler - CSF
Replies
2
Views
990
NevadaLLY
NevadaLLY
WVRigrat05
2015 LML regening non stop
Replies
5
Views
1K
WVRigrat05
WVRigrat05
NevadaLLY
EFI log reading 18psi while mechanical reads 42psi
Replies
11
Views
926
NevadaLLY
NevadaLLY
RPM Motorsports
2020 L5P oil cooler PN#
Replies
5
Views
2K
RPM Motorsports
RPM Motorsports
quinton
Barometric issues
Replies
0
Views
650
quinton
quinton
Tyler.Frazier1992
No Start, No Crank, no PRNDM1
Replies
14
Views
3K
Tyler.Frazier1992
Tyler.Frazier1992
jedenbeck
Swapping nozzles
Replies
11
Views
1K
DPC
DPC
B
LML Twin Fueler and Stealth 64 Install Crank No Start
Replies
12
Views
1K
KyleC4
K
N
Stuck Vanes-Does the Edge CTS2 Reading Desired Vane Position or Actual Vane Position?
Replies
2
Views
2K
ikeG
ikeG
N
Max Hp Capacity of an LBZ vs LLY Turbo?
Replies
4
Views
2K
nskyline34
N
Dstaub22
Engine bay haze after EGR delete LMM
Replies
11
Views
2K
TheBac
TheBac
DuramxMan
LB7 Engine
Replies
4
Views
768
SmokeShow
SmokeShow
H
LB7: Engine injectors losing electrical power.
Replies
7
Views
1K
KyleC4
K
J
2004.5 Glow plug light and another mystery
Replies
0
Views
405
joken
J
J_Stone06
Line (flare) wrench for brake job
Replies
8
Views
945
KyleC4
K
J
2009 LMM won't rev over 2k rpms.
Replies
42
Views
6K
Ron Nielson
R
2
Curious about semi turbos
Replies
8
Views
2K
tkniss
tkniss
Antiher03
LB7: Beating a dead horse
Replies
10
Views
1K
Chevy1925
Chevy1925
Yngdmax92
Tuning options????
Replies
6
Views
2K
duramaximizer
duramaximizer
RMJ_LB7
LB7 previous allison, now 4l80e wiring
Replies
0
Views
446
RMJ_LB7
RMJ_LB7
ZeroGravity58
LMM: Ppe fuel pickup
Replies
5
Views
1K
DuraRI
D
1
Broken crank...
Replies
4
Views
770
DuraRI
D
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