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
M
HTT Promax lb7 kit
Replies
0
Views
1K
matt2778
M
M
LLY injector pulse
Replies
0
Views
1K
Matt916LLY
M
D1rty-max
G80/rear axles limit?
Replies
22
Views
4K
CaptPhil
CaptPhil
wilrob
LMM: Replacement Antenna
Replies
4
Views
2K
wilrob
wilrob
8lug
LML Fooling Urea
Replies
73
Views
49K
duratothemax
duratothemax
Parker_
LLY: Tune question
Replies
39
Views
4K
Parker_
Parker_
M
2005 LLY leaking oil from downpipe
Replies
10
Views
3K
Burn Down
Burn Down
L
2005 duramax lly
Replies
25
Views
3K
logan.murphy16
L
B
2017 L5P Alaskan Edition
Replies
19
Views
7K
duratothemax
duratothemax
dirtymax36
LB7: Weird LB7 cyl 7 and white smoke after new injectors
Replies
13
Views
3K
2004LB7
2004LB7
monster50iii
LMM: Questions reqarding a DIY Oil cooler setup (c20elephant please look)
Replies
4
Views
2K
Chevy1925
Chevy1925
0
Lb7 pressure in upper rad hose
Replies
10
Views
2K
Brent@LDS
Brent@LDS
5
C5500 engine question?
Replies
16
Views
3K
57ringo
5
c20elephant
LBZ: Water pump
Replies
27
Views
6K
oscyjack
oscyjack
C
Need help identifying noise
Replies
16
Views
2K
cowboyjl
C
D
Fuel Tank
Replies
0
Views
771
dmaxdiesel0688
D
Micheal Tomac
L5P not available until July
Replies
25
Views
7K
toypuller
T
ryanslb7
LB7: electrical question
Replies
7
Views
2K
jlawles2
J
Vrabel
LLY Long Block
Replies
0
Views
1K
Vrabel
Vrabel
P
LBZ: Lbz vs lmm oil pump
Replies
5
Views
3K
PSConvert
P
2
LB7: Replaced injectors and now have off the wall balance rates.
Replies
9
Views
2K
KyleC4
K
P
CP3 return test
Replies
2
Views
1K
Parfrey
P
Lbzmaxx
Oil input
Replies
15
Views
3K
DAVe3283
DAVe3283
CT2500
Sdp driver side intercooler pipe fitment
Replies
10
Views
2K
1TRIKHD
1TRIKHD
bbolden516
Brian Crower rod discussion
Replies
32
Views
8K
Kunz111
K
A
LBZ: LBZ pouring fuel down the back of the motor
Replies
5
Views
2K
ikeG
ikeG
kavemanrj
Lurching on right turn
Replies
19
Views
5K
oscyjack
oscyjack
M
P0308 and P1244 Intermittent
Replies
4
Views
2K
Chevy1925
Chevy1925
P
Why standoffs on CP3 hardware?
Replies
13
Views
2K
Ne-max
Ne-max
kubitza123
Straight pipe or muffler?
Replies
3
Views
2K
OregonDMAX
OregonDMAX
B
FASS stk-5500bo tank sump
Replies
7
Views
2K
kubitza123
kubitza123
kubitza123
Quiet and best options for 100-150gph lift pump?
Replies
22
Views
8K
kubitza123
kubitza123
A
Help! Lb7 soot and pressure in coolant
Replies
6
Views
3K
Mooseman1969
M
B
lb7 knocking
Replies
15
Views
3K
Troysalm71
Troysalm71
MechanicalReign
LB7: Need a coolant hard line
Replies
3
Views
1K
MechanicalReign
MechanicalReign
Cakes
Not another smoking LB7...
Replies
11
Views
2K
Brent@LDS
Brent@LDS
redws6rocket
Turbo charger experts
Replies
15
Views
3K
duramax55
duramax55
F
Limp Mode
Replies
1
Views
3K
redneck47441
R
G
Help, Part# needed
Replies
3
Views
1K
Noreaster
Noreaster
P
Help
Replies
8
Views
2K
kiwilml
kiwilml
Robby Avery
Finger vanes
Replies
12
Views
4K
Fingers
Fingers
B
LB7: injectors and balance rates
Replies
1
Views
1K
2004LB7
2004LB7
J
Oil Leak
Replies
4
Views
2K
jt24
J
K
LLY: LLY High Idle not working, need some ideas...
Replies
4
Views
2K
ksstang
K
cdbright
LMM: high pitch dieseling sound after 2500 rpm
Replies
7
Views
2K
bmc1025
B
gmduramax
Which turbo should I run?
Replies
31
Views
4K
DangerousDuramax
DangerousDuramax
C
LB7: No crank/no start/ no wts light
Replies
63
Views
11K
Noreaster
Noreaster
C
Injector fuel leak
Replies
10
Views
3K
bbolden516
bbolden516
S
New Truck Maybe
Replies
23
Views
7K
FSUwelder1212
F
JoshH
MAP sensor flange
Replies
10
Views
2K
RickDLance
R
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