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
R
LB7: Seeking Wisdom on LB7 Injector Job...
Replies
10
Views
2K
Brent@LDS
Brent@LDS
C
LMM: wiring diagrams for lmm
Replies
13
Views
6K
TheBac
TheBac
D
02 Duramax is there a better injector ???
Replies
3
Views
1K
warriorcustoms
W
jmdorris
Fleece 63mm/68mm or DT 64mm?
Replies
65
Views
7K
WolfLMM
WolfLMM
dirtymax36
LLY: No rail pressure randomly upon start issue
Replies
3
Views
1K
briencolgan
briencolgan
Chevy1925
Thermostat thought...
Replies
42
Views
4K
THEFERMANATOR
THEFERMANATOR
M
Lbz u0101 no start?
Replies
4
Views
2K
Slick03Max
S
AgLiftPilot
LB7: Lopey Idle - P0193 Code
Replies
7
Views
8K
wilsondiesel
wilsondiesel
Wturnbo
LLY turbo on LBZ?
Replies
12
Views
3K
hondarider552
hondarider552
J_Stone06
P0678 Glow Plug 8 Control Circuit
Replies
5
Views
3K
tjburke75
T
dk2429
Bad injector/head gasket symptoms
Replies
3
Views
4K
WVRigrat05
WVRigrat05
kirkland
High boost whistle/scream
Replies
26
Views
11K
Mrelite1987gmc
M
ledwards89
LBZ: VVT Sensor wiring?
Replies
10
Views
2K
ledwards89
ledwards89
L
Lift pumps
Replies
60
Views
9K
Nickracer9
N
duramaxnate
LMM: 09 LMM Weird No Start Issue
Replies
4
Views
2K
duramaxnate
duramaxnate
N
Help me solve this mystery please?
Replies
11
Views
2K
nharroll
N
M
2005 gmc lly. vacuum surging issue
Replies
0
Views
886
Mrelite1987gmc
M
KRODMAX/KS
Oil level indicator
Replies
10
Views
3K
JoshH
JoshH
frankenstien
Fuel system ? bypassing lift pump
Replies
2
Views
2K
frankenstien
frankenstien
BLACKMAX1
Torched head info wanted
Replies
0
Views
828
BLACKMAX1
BLACKMAX1
Trotorx2
P2463 P0420 Reduced engine power
Replies
14
Views
17K
beach_33
beach_33
Yngdmax92
Lly turbo build
Replies
24
Views
5K
Josh154
Josh154
catman3126
Service 4wd and a new t case/encoder motor
Replies
5
Views
1K
Muff
Muff
N2BRK
Some notes on CP3 swap upgrade
Replies
10
Views
2K
Muff
Muff
cumminsman202
High rail pressure
Replies
11
Views
3K
cumminsman202
cumminsman202
W
03 lb7 oil in coolant
Replies
24
Views
7K
Budneeds2beers
Budneeds2beers
D
Belt and Tensioner issues at 5000+rpm
Replies
26
Views
4K
MarkBroviak
MarkBroviak
T
LMM: S475 over stock
Replies
11
Views
3K
Dozerboy
Dozerboy
J_Stone06
U0106 Loss of Comm with GPCM
Replies
10
Views
8K
J_Stone06
J_Stone06
ThatBlueDuramax
LB7: Lb7 Up pipes and manifolds
Replies
2
Views
821
ThatBlueDuramax
ThatBlueDuramax
moneypitt
LML Change fuel filter?
Replies
9
Views
5K
NC-smokinlmm
NC-smokinlmm
OregonDMAX
LB7: Lb7 no start story
Replies
26
Views
4K
OregonDMAX
OregonDMAX
blue09dmaxx
467.7
Replies
20
Views
4K
kiwilml
kiwilml
N
New member needing help!
Replies
5
Views
1K
2004LB7
2004LB7
JHForman
LB7: Intermittent ac issue
Replies
9
Views
4K
Nutznky
N
JoshH
LBZ CP3 problems
Replies
17
Views
19K
chambersj
chambersj
joshd472
P0205
Replies
2
Views
2K
joshd472
joshd472
jraymer
LMM and P0336
Replies
7
Views
4K
jraymer
jraymer
L
Battery Warmer Thoughts?
Replies
12
Views
2K
2004LB7
2004LB7
dk2429
Glow plugs
Replies
27
Views
3K
bmc1025
B
S
DuraMax Mechanical injection
Replies
22
Views
8K
Awenta
Awenta
hetzler_l33
LB7: Looking to get an LB7
Replies
32
Views
4K
hetzler_l33
hetzler_l33
Novak
Switching Fuel Additive
Replies
20
Views
6K
Dozerboy
Dozerboy
M.A.M.
Oil drain-upper or lower pan?
Replies
6
Views
902
moparkxracer
moparkxracer
B
need info on fuel tank lines
Replies
1
Views
1K
Awenta
Awenta
N2BRK
Cp3 swapped; coolant leaks
Replies
4
Views
1K
N2BRK
N2BRK
V
LLY: 2005 Duramax mystery T connector
Replies
10
Views
3K
JoshH
JoshH
Dvierra86
Compression check -- thoughts?
Replies
16
Views
2K
TheBac
TheBac
R
LBZ: found the source of my electrical problems
Replies
5
Views
2K
Chucky797
C
V
LLY: Aux Power feed
Replies
1
Views
1K
TheBac
TheBac
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