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
RobsDmax
LB7: Antenna Delete
Replies
7
Views
3K
lotsofmiles
L
catman3126
LB7 drop in wheel
Replies
16
Views
8K
aashton1206
A
gofishen2
  • Poll
No crank
Replies
5
Views
3K
IOWA LLY
IOWA LLY
K
Non VGT turbos and exhaust
Replies
9
Views
5K
Kunz111
K
dirtymax36
LLY: WORKS turbochargers' SXE374/74 new to the market.
Replies
5
Views
2K
S Phinney
S
J_Stone06
Leak from shaft seal?
Replies
10
Views
2K
TheBac
TheBac
oscyjack
Anyone seen these? FFR Tie rods
Replies
5
Views
921
Chevy1925
Chevy1925
Tothemax
Lowered truck vibrations
Replies
16
Views
2K
Tothemax
Tothemax
melms23
Dual Cp3 rail fitting
Replies
2
Views
1K
melms23
melms23
monster50iii
thinking of ditching the vgt....
Replies
24
Views
8K
FSUwelder1212
F
Noreaster
Budget build rods
Replies
7
Views
2K
zakkb787
zakkb787
J
2009 GMC LMM coolant loss questions?
Replies
4
Views
1K
NC-smokinlmm
NC-smokinlmm
K
Need part# for drivers side headlight on 2014 GMC 3500hd Denali
Replies
7
Views
1K
TheBac
TheBac
diesel53
LBZ: tuning/adjustments 100 over injectors
Replies
3
Views
1K
diesel53
diesel53
oscyjack
Happy 4th
Replies
6
Views
872
oscyjack
oscyjack
citadel
LLY electrical questions
Replies
4
Views
1K
joecool752
J
Robby05
Injector return line leak
Replies
1
Views
1K
Robby05
Robby05
A
LB7: Built Allison
Replies
0
Views
1K
aashton1206
A
Wikid
LBZ: Cold side intercooler boot
Replies
2
Views
1K
Wikid
Wikid
citadel
LLY: Underhood Temps
Replies
0
Views
850
citadel
citadel
Madspeed
Biggest twin setup and tow
Replies
36
Views
6K
Madspeed
Madspeed
2003dmax6701
LMM: Need help
Replies
7
Views
1K
2003dmax6701
2003dmax6701
WiggyHD
Low power, boost surge, lot's of smoke...
Replies
3
Views
1K
torqued2dmax
torqued2dmax
J
LBZ: Strange problem NEED help
Replies
0
Views
728
john deer
J
K
LML oil leaking from drivers side intercooler boot
Replies
1
Views
2K
oscyjack
oscyjack
S
LML Low Boost...maybe?
Replies
6
Views
3K
shooter5635
S
A
LB7: Five spd Allison
Replies
3
Views
995
aashton1206
A
B
lly no start
Replies
8
Views
1K
TheBac
TheBac
2006coalroller
Lml fuel mileage drop why?
Replies
1
Views
2K
monster50iii
monster50iii
F
LML Intake bridge
Replies
2
Views
1K
FC5452
FC5452
ChrisPerry
LB7: # on injector body?
Replies
4
Views
1K
ChrisPerry
ChrisPerry
frankenstien
slop in rearoutput shaft of transfer case?(vid)
Replies
14
Views
3K
frankenstien
frankenstien
J
LMM: Seem to be loosing fuel prime
Replies
6
Views
1K
jsborn
J
C
LBZ fuel return o-rings
Replies
2
Views
1K
Brent@LDS
Brent@LDS
L
08 LMM Battery replacement frequency
Replies
38
Views
13K
ty_LBZ
ty_LBZ
1994duramaxLBZ
LBZ: Rear Axle Seal and some other weird stuff
Replies
0
Views
963
1994duramaxLBZ
1994duramaxLBZ
S
Crash
Replies
4
Views
1K
Budneeds2beers
Budneeds2beers
hntngkd
Turbosmart BOV
Replies
0
Views
649
hntngkd
hntngkd
WVRigrat05
EGR pipe to bell housing
Replies
8
Views
1K
Blackmax123
B
X
Hello! Im New to the duramax, need help
Replies
6
Views
2K
Xtsix
X
MAXX IT OUT
Question: Swapping Fan Clutchs
Replies
86
Views
24K
malibu795
malibu795
D
LMM: Shut off while driving. Intermittent crank but no start
Replies
7
Views
3K
NC-smokinlmm
NC-smokinlmm
J_Stone06
Water in rear doors
Replies
2
Views
962
J_Stone06
J_Stone06
M
First Post - need help 0087
Replies
7
Views
1K
TheBac
TheBac
J
LB7: Died on the road and won't fire?!
Replies
23
Views
4K
Jules1525
J
beach_33
P0087 low fuel rail
Replies
7
Views
1K
trashygasman
trashygasman
USMC_53
Lb7 injectors
Replies
4
Views
1K
WolfLMM
WolfLMM
stibuilder
Full Power train replacement first start up.
Replies
1
Views
908
2004LB7
2004LB7
S
CP3 Conversion in Australia?
Replies
0
Views
1K
Sulphur1
S
G
03 LB7 wont start after injector and CP3 replacement
Replies
20
Views
6K
duramax on fire
duramax on fire
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