Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
lexa
Thumping noise coming from intake
  • lexa

LLY New

1.3K
17.3K
Threads
1.3K
Messages
17.3K
1FastBrick
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

654
8.4K
Threads
654
Messages
8.4K
NC-smokinlmm
Misfire at 1200rpm

L5P New

124
3.8K
Threads
124
Messages
3.8K
Rdomeck
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
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
diesel53
Ifs front gear removal help
Replies
7
Views
2K
juddski88
juddski88
Big Chris
More LMM VVT issues
Replies
11
Views
2K
Big Chris
Big Chris
0
Bigger injectors to lower EGTS
Replies
39
Views
9K
Chevy1925
Chevy1925
W
Coolant Filtration?
Replies
33
Views
9K
workin' diesel
W
O
LBZ: Starting issue
Replies
3
Views
1K
duramax hd
duramax hd
Andrew
LBZ: i know i know
Replies
26
Views
3K
Andrew
Andrew
jneal
LML build test
Replies
80
Views
24K
sawmilldmax
sawmilldmax
DieselDummy
Factory GM parts
Replies
2
Views
1K
MadMaxx61
M
H
low rail pressure
Replies
30
Views
9K
JoshH
JoshH
Whitetail Addict
Block heater ?
Replies
15
Views
6K
AKMAX
AKMAX
dmaxbitt
LBZ: LBZ Help!
Replies
20
Views
4K
cafryer
cafryer
C.bowles2
Oil leak under turbo
Replies
3
Views
2K
baddaddition
baddaddition
TexasRob
LLY: Sun Roof Fuse
Replies
2
Views
1K
hopkins_fam
hopkins_fam
M
LB7: best injectors
Replies
16
Views
4K
magnethead494
M
young582
Lmm won't start?
Replies
42
Views
6K
Kappa9012
Kappa9012
T
Comparing turbo size / differences
Replies
5
Views
2K
nwpadmax
nwpadmax
B
Hard Start / No Start LB7
Replies
1
Views
785
motoking_1990
motoking_1990
young582
Dtc codes ?
Replies
1
Views
827
young582
young582
dirtymax36
LLY: making very bad clunk and click noise in 4x4 only
Replies
3
Views
2K
Yellow Jacket
Yellow Jacket
N
cranking issues
Replies
10
Views
2K
jdlover1
jdlover1
A
LBZ: HELP please lbz problem
Replies
27
Views
3K
AUSDMAX
A
MMLMM
Copper washers on Injector nozzels...
Replies
15
Views
5K
Kappa9012
Kappa9012
O
Ca emissions to federal glowplug swap??
Replies
6
Views
4K
onebaddmaxxx
O
H
LB7 slight surging
Replies
14
Views
2K
HASTINGSRJ
H
DieselDummy
CC/LB drive shaft
Replies
2
Views
2K
DieselDummy
DieselDummy
C
Sputtering!!???
Replies
1
Views
1K
jkholder09
J
catman3126
LB7 Glowplug issue
Replies
18
Views
13K
dmaxbowtie
dmaxbowtie
Devon
Stock 05 Lly drops rail real hard full throttle(limp mode?)
Replies
9
Views
2K
Low366Dmax
Low366Dmax
R
Need help
Replies
6
Views
1K
ryanelwood
R
Cww
LB7 FASS150 install question
Replies
16
Views
4K
tgebes
tgebes
SparkZ03DMAX
LB7 Downpipe?
Replies
33
Views
10K
Bersaglieri
Bersaglieri
martinup88
P0299 intermittent under boost
Replies
0
Views
2K
martinup88
martinup88
H
Egr delete kit
Replies
11
Views
2K
TLyons90
TLyons90
R
excessive smoke
Replies
25
Views
4K
xtremebikr04
xtremebikr04
x MadMAX DIESEL
Short oil fill
Replies
5
Views
2K
Muff
Muff
H
Picking an A/R for primary/high pressure turbo...
Replies
48
Views
7K
Hot COCOAL
H
Lb7 heaven
pressurized coolant
Replies
9
Views
2K
Lb7 heaven
Lb7 heaven
S
twins question
Replies
10
Views
2K
03spoolindmax
03spoolindmax
C.bowles2
Turbo noise problem
Replies
2
Views
1K
TLyons90
TLyons90
Cknight199
Iat2 sensor question
Replies
4
Views
1K
DIESELMAFIAPER.LB7
DIESELMAFIAPER.LB7
tobyk321
LLY head gasket
Replies
2
Views
1K
redrob
R
M
blue smoke at warm/cold idle
Replies
45
Views
14K
magnethead494
M
Cww
Little white smoke at idle the goes away
Replies
2
Views
1K
Cww
Cww
blue09dmaxx
S472/5 towing
Replies
54
Views
7K
blue09dmaxx
blue09dmaxx
red1977
tune 60 hp injectors.
Replies
8
Views
3K
DIESELMAFIAPER.LB7
DIESELMAFIAPER.LB7
Muff
Egt and Drive pressure comparison
Replies
10
Views
2K
ikeG
ikeG
THduramax
Are all stock G-80 diffs the same?
Replies
20
Views
4K
BHoward6.6
BHoward6.6
z71havinfun
Pass lock/security wiring
Replies
0
Views
1K
z71havinfun
z71havinfun
P
Help: Dead Truck - Glow Plug Module Maybe
Replies
16
Views
6K
PhilsLB7
P
O
instart no restart on great running engine (new Injectors)
Replies
12
Views
3K
chipper2004
C
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