Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
Bdsankey
Sac 65

LLY New

1.3K
17.3K
Threads
1.3K
Messages
17.3K
PureHybrid
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
3.7K
Threads
124
Messages
3.7K
Nate’s Dmax
L5P will barely start, then die Please Help

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
2004LB7
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
knagel
LB7 to LB7 swap
Replies
10
Views
2K
TheBac
TheBac
M
Strange cranking habits
Replies
4
Views
421
dndj
dndj
L
Truck Dies Seconds After Starting
Replies
8
Views
789
dndj
dndj
H
Baffled by P0202, 03, 05, 08 and P2149
Replies
12
Views
2K
AndreIgle
A
W
Lml replacing a lgh
Replies
2
Views
651
Wayne 444
W
A
LMM Coolant leak at oil cooler
Replies
3
Views
1K
08lmm72mm
0
bigbird
Stroker pump vs dual pumps
Replies
29
Views
3K
JoshH
JoshH
A
Stolen duramax found
Replies
28
Views
3K
aaro9991
A
Vmyrhaug
lb7 injector tubes leaking
Replies
8
Views
951
Bdsankey
Bdsankey
ChevyMax56
lly ficm repair suggestions
Replies
2
Views
1K
Ron Nielson
R
S
Worth re bearing bottom end or not?
Replies
8
Views
1K
Lq4chevy
L
L
LBZ Engine Harness
Replies
2
Views
674
Lq4chevy
L
D
LLY No Crank, No Communication after unhooking batteries
Replies
13
Views
624
dtreid
D
J
EGR delete on 2006 LBZ
Replies
5
Views
2K
Chevy1925
Chevy1925
W
Laggy 65mm Turbo
Replies
22
Views
2K
Bdsankey
Bdsankey
R
Going back stock from DEF delete
Replies
6
Views
1K
Lq4chevy
L
T
Diesel fuel availability in KY, TN, NC and SC?
Replies
5
Views
480
nzdaddy_o
N
Yngdmax92
TurboSmart bov
Replies
9
Views
642
hntngkd
hntngkd
C
Vehicle fuel/maintenance log software?
Replies
3
Views
494
DAVe3283
DAVe3283
C
Howdy Yall, looking for recommendations for LMM ECM expertise in the Weatherford Tx/Fort Worth area.
Replies
31
Views
2K
Ron Nielson
R
R
Service emissions after tuned
Replies
1
Views
492
2004LB7
2004LB7
V
Reduced engine power no CEL or codes
Replies
29
Views
4K
07mydmax
0
P
LML rolls coal
Replies
4
Views
988
TheBac
TheBac
R
Bad water pumps?
Replies
1
Views
331
Dozerboy
Dozerboy
Madspeed
no start after injectors and rail pug in dual cp3 block
Replies
3
Views
404
Madspeed
Madspeed
D
Rattle at idle
Replies
13
Views
3K
TheBac
TheBac
R
Pac brake issue
Replies
2
Views
417
darkness
darkness
J
Boost Leakage and Compression test results
Replies
7
Views
838
JMM776
J
D
Insane electrical issues
Replies
4
Views
552
2004LB7
2004LB7
Baking83
Nitrous
Replies
22
Views
2K
Baking83
Baking83
LSxBakakos
Lb7 limits
Replies
48
Views
3K
08lmm72mm
0
THEFERMANATOR
LB7: SAC 45 overs, who is running them?
Replies
138
Views
36K
wirewrangler
wirewrangler
danzick
coolant in the oil....
Replies
73
Views
4K
superswamper003
superswamper003
kubitza123
LB7 fuel line clean up in the valley ??
Replies
12
Views
3K
rfletes79
rfletes79
NevadaLLY
LLY rear axle - weird wear on edge of gear
Replies
21
Views
2K
CDmax16
CDmax16
PIG
LBZ: Duel cp3 idler pulley
Replies
14
Views
4K
othrgrl
othrgrl
danzick
cranking with the key on
Replies
27
Views
2K
danzick
danzick
B
6.6LML bucket of DTC's - help please
Replies
2
Views
488
Ron Nielson
R
Chad006
3794 turbo braking
Replies
31
Views
2K
OleBlackyLBZ
OleBlackyLBZ
M
Exhaust leak
Replies
1
Views
461
2004LB7
2004LB7
danzick
cranking without fuel
Replies
2
Views
609
Bdsankey
Bdsankey
Z
engine issues!!!!
Replies
9
Views
797
TheBac
TheBac
Graden56
Possibly blown head gaskets
Replies
2
Views
571
Graden56
Graden56
Dmax87
Loss of comm. with ECM and tcm?
Replies
25
Views
28K
BigSexy
B
P
(SOLVED) Weird fuel pressure symptoms
Replies
20
Views
13K
dndj
dndj
coppolac
New member injector issue
Replies
4
Views
722
Chevy1925
Chevy1925
T
LB7: Can Injectors be bad but still pass the balance rate test?
Replies
17
Views
6K
2004LB7
2004LB7
B
2013 3500 Silverado diesel
Replies
1
Views
480
TheBac
TheBac
D
LMM cp3 making noise?
Replies
6
Views
733
dominator200
D
T
What's the difference between the LMM and LLY fuel pressure regulators?
Replies
8
Views
624
turbovan
T
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