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
2004LB7
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
Zmanhaus
U1800
Replies
2
Views
2K
Zmanhaus
Zmanhaus
D
LBZ: LbZ new turbo no boost
Replies
12
Views
2K
clrussell
clrussell
rennat_2006
LBZ: 1200* steady flat ground towing
Replies
37
Views
9K
nskyline34
N
Robby Avery
Finally bought my first turbo............
Replies
91
Views
14K
Robby Avery
Robby Avery
Pwinland95
LLY: Fuel pressure issue
Replies
5
Views
669
KyleC4
K
N
Compound Turbo Setup for 1,500whp
Replies
22
Views
4K
nskyline34
N
S
LB7: Sending unit questions
Replies
1
Views
937
TheBac
TheBac
S
CP4 pump warranty wuestion
Replies
8
Views
3K
shenysz71
S
clrussell
LML Misfire/ rattle under high load
Replies
17
Views
5K
RickyG491
R
x MadMAX DIESEL
Helicoil turbo flange
Replies
7
Views
1K
TheBac
TheBac
K
LBZ balance rates
Replies
1
Views
855
LBZ
LBZ
L
Stock LML turbo on lbz?
Replies
19
Views
6K
Bdsankey
Bdsankey
COMP461
Dry Sump for the Duramax.
Replies
102
Views
21K
TonyThailand
T
briencolgan
LB7: Hard start when cold?
Replies
3
Views
1K
2004LB7
2004LB7
BoostnLLY
Anyone have a pair of stock LLY Injectors?
Replies
0
Views
463
BoostnLLY
BoostnLLY
I
LBZ: Starter Continuous Click + Glow Plugs
Replies
14
Views
1K
ippielb
I
B
Twin set up
Replies
3
Views
901
Ne-max
Ne-max
MAXX IT OUT
Factory style replacement exhaust manifold
Replies
3
Views
1K
KyleC4
K
C
LB7: check engine light
Replies
11
Views
2K
KyleC4
K
elliottw
Getting LML back on the road
Replies
2
Views
871
Brent@LDS
Brent@LDS
D
LMM: Heater Bypass Hose
Replies
1
Views
848
Bdsankey
Bdsankey
lts1ow
LLY: Injector Numero 7
Replies
13
Views
2K
mechman3
M
02ilduramax
Intercooler difference
Replies
2
Views
921
Bdsankey
Bdsankey
AthenaLMM
Emissions delete... pros? cons?
Replies
43
Views
8K
Bdsankey
Bdsankey
garrettlbz
LBZ: Wagler twisted pedestal
Replies
10
Views
3K
Ne-max
Ne-max
sik 07
2005 LBZ losing power
Replies
6
Views
1K
sik 07
sik 07
A
Broken Crank?
Replies
7
Views
1K
JayPrimo
J
snowman22
LML Cleaning the DPF Filter
Replies
8
Views
5K
gmc502
gmc502
K
Titan tank and sumps
Replies
14
Views
2K
xtremebikr04
xtremebikr04
S
Van failed emissions - P0098 intake air temperature sensor 2 circuit high
Replies
3
Views
1K
rfletes79
rfletes79
2
LMM: F1 diesel
Replies
8
Views
945
slowlml
slowlml
B
Best replacement wheel bearing/hub
Replies
14
Views
6K
HWI
HWI
J
Mechanic/ Injectors
Replies
0
Views
585
jojo
J
M
Replacing Engine Backing Plate on a LBZ
Replies
9
Views
9K
Brent@LDS
Brent@LDS
Dstaub22
LMM: Draining coolant for egr delete
Replies
8
Views
2K
lutzjk913
lutzjk913
LBZ
Lost Another Air Dog
Replies
9
Views
2K
baggedLB7
baggedLB7
bigmackmiller
Fuel Line Question
Replies
3
Views
740
bigmackmiller
bigmackmiller
D
Help please!! Cp4 issues
Replies
33
Views
4K
dylon333
D
M
Lb7 long cranking to start
Replies
9
Views
2K
DAVe3283
DAVe3283
D
Dura hoe build
Replies
2
Views
862
dylon333
D
Muff
Lower oil pan for twins
Replies
2
Views
801
kiwilml
kiwilml
F
LMM: 3500HD dually driveline vibration
Replies
2
Views
779
weazel
weazel
W
Fleece In tank lift pump
Replies
2
Views
1K
Ne-max
Ne-max
cdbright
LLY: AGAIN my buddies LLY
Replies
4
Views
1K
cdbright
cdbright
Brent@LDS
LLY Engine Harness!!!
Replies
0
Views
1K
Brent@LDS
Brent@LDS
motoking_1990
LLY: LLY turbo port and polish? Yellowchevy where are you!!! Lol
Replies
12
Views
2K
yellowchevy
Y
Bdsankey
LB7: Hard/Rough Starts Cold
Replies
24
Views
3K
Bdsankey
Bdsankey
DuramxMan
Why go with a Van thermostat housing?
Replies
5
Views
1K
MAXX IT OUT
MAXX IT OUT
garrettlbz
P0202 and truck is missing
Replies
1
Views
759
rfletes79
rfletes79
B
Motortrend's 2020 Duramax vs 2019 Cummins comparison
Replies
5
Views
2K
PureHybrid
PureHybrid
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