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Duramax Hard Parts
Dmax Performance Parts and related discussions.
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Duramax 6.6 Technical
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LB7
New
2.2K
31.6K
Threads
2.2K
Messages
31.6K
LB7 fuel rail plug leak.
Today at 1:16 AM
Jordan715
LLY
New
1.3K
17K
Threads
1.3K
Messages
17K
LLY overheating when idle
Yesterday at 5:07 PM
malibu795
LBZ
New
1.1K
14.1K
Threads
1.1K
Messages
14.1K
N
LBZ Fan Clutch
Friday at 7:41 PM
N2BRK
LMM
749
11.1K
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749
Messages
11.1K
Truck dies at random, no codes
Jan 21, 2024
BLACKMAX1
LML
New
626
8K
Threads
626
Messages
8K
LML service bulletin
Today at 12:16 AM
Chevy1925
L5P
New
108
3.4K
Threads
108
Messages
3.4K
O
glow plugs
Mar 31, 2024
oldwhitehorse
Transfer Case / Axles / Driveshafts Tech
New
287
3.4K
Threads
287
Messages
3.4K
J
2003 duramax 2500 HD 4 wheel drive Strange noise
Apr 3, 2024
Jaysbay
Van
17
310
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17
Messages
310
D
Custom Van Air Intake
Apr 18, 2023
DieselMike70
Part #'s
395
2.2K
Threads
395
Messages
2.2K
2007 LMM Front Diff Fill Plug P/N
Aug 16, 2023
1FastBrick
Turbo Talk
New
"Nitrous is nice, but it's best to be Blown"
1.9K
43.6K
Threads
1.9K
Messages
43.6K
Turbo Vane Position code, do I get a new turbo system?
Friday at 4:50 PM
fajitatone
General Fuel System & Exhaust Questions
363
7.6K
Threads
363
Messages
7.6K
Fleece Performance 2004.5-2007 Duramax PowerFlo In-tank Lift Pump?
Feb 27, 2024
malibu795
Fluids and Maintenance
New
651
10.7K
Threads
651
Messages
10.7K
Got Sludge?
Thursday at 2:25 AM
DAVe3283
The Pharmacy
Nitrous, Propane, Meth, oxidizers
172
3.2K
Threads
172
Messages
3.2K
Nitrous
Jun 5, 2022
Baking83
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LB7:
Blew turbo
Lethal_diesel_lb7
Feb 2, 2019
2
3
Replies
51
Views
4K
Feb 5, 2019
torqued2dmax
J
LB7:
Problems after injector replacement
Jay33089
Feb 2, 2019
2
Replies
26
Views
3K
Feb 5, 2019
bigmackmiller
LB7:
High idle switch
dirtymax95
Feb 7, 2015
2
Replies
22
Views
4K
Jan 23, 2019
MolonLabe420
C
LB7:
Max fuel pressure
Chiqelin
Nov 21, 2016
Replies
15
Views
4K
Jan 21, 2019
JRein
J
C
LB7:
Help Pinpoint 1093 issue
Csibbs
Dec 18, 2018
Replies
13
Views
1K
Dec 29, 2018
Csibbs
C
LB7:
CP3 mounting questions
chevytuf01
Dec 25, 2018
Replies
3
Views
635
Dec 26, 2018
pornstar dancin
LB7:
Project "I have a problem"
clrussell
Jun 26, 2016
47
48
49
Replies
962
Views
127K
Oct 17, 2018
clrussell
J
LB7:
Air dog Fp 150 lift pump
Jakekk1
Oct 4, 2018
Replies
5
Views
932
Oct 4, 2018
2004LB7
7
LB7:
Wicked wheel2?
77cruiser
Sep 22, 2018
Replies
0
Views
790
Sep 22, 2018
77cruiser
7
LB7:
‘03 No Start Without A Little Help
LBZ
Sep 8, 2018
2
3
4
Replies
60
Views
4K
Sep 20, 2018
LBZ
J
LB7:
Rough idle after new injectors
Jakekk1
Sep 9, 2018
Replies
16
Views
3K
Sep 11, 2018
Jakekk1
J
LB7:
Difference in cali emissions lb7
dirty_max
Sep 2, 2018
Replies
7
Views
4K
Sep 2, 2018
dirty_max
LB7:
IHI exhaust leak
ChrisPerry
Aug 28, 2018
Replies
0
Views
637
Aug 28, 2018
ChrisPerry
J
LB7:
Reman injectors
Jakekk1
Aug 23, 2018
Replies
7
Views
1K
Aug 27, 2018
coker6365
T
LB7:
Lb7 carnage again.....
tsd_billy
Aug 12, 2018
Replies
11
Views
1K
Aug 13, 2018
tsd_billy
T
LB7:
Truck not charging need help
bigmackmiller
Aug 4, 2018
Replies
4
Views
741
Aug 5, 2018
bigmackmiller
LB7:
Transfer case grinding?
Jacob tomlinson
May 9, 2018
Replies
2
Views
2K
Aug 2, 2018
Chevy1925
LB7:
Upgraded injector fuel return lines
MAXX IT OUT
Jul 25, 2018
Replies
7
Views
1K
Jul 25, 2018
DAVe3283
LB7:
The Rebuild, Ch.2 -- Building slowly
TheBac
Feb 14, 2010
11
12
13
Replies
245
Views
36K
Jul 18, 2018
TheBac
LB7:
#1 injector shorted
RPierson51
Jul 24, 2015
3
4
5
Replies
94
Views
21K
Jun 23, 2018
2004LB7
LB7:
LLY Short Block Into 2001 Wiring
RobsDmax
Jun 12, 2018
Replies
2
Views
910
Jun 13, 2018
RobsDmax
D
LB7:
Lb7 injector stuck, bent push rod maybe more?
Dukchunter
May 22, 2018
2
Replies
24
Views
4K
Jun 12, 2018
Dukchunter
D
LB7:
2003 LB7 duramax AC causing idle surge
MidnightLB7
May 18, 2018
Replies
9
Views
3K
Jun 5, 2018
DAVe3283
D
LB7:
Lb7 turbo question
dcpjfs432
Jun 2, 2018
Replies
5
Views
1K
Jun 3, 2018
rfletes79
LB7:
Leave it or remove it?
AKlowriderZ71
May 26, 2018
Replies
2
Views
839
Jun 1, 2018
AKlowriderZ71
D
LB7:
I bought a lb7...
dcpjfs432
May 19, 2018
Replies
10
Views
2K
May 21, 2018
dcpjfs432
D
LB7:
Injector balance rates on edge CTS2 insight not working?
MidnightLB7
Apr 25, 2018
Replies
12
Views
5K
May 14, 2018
MidnightLB7
LB7:
AC-Delco or MishiMoto radiator?
dirty_maxxbob
May 10, 2018
Replies
8
Views
2K
May 11, 2018
dirty_maxxbob
LB7:
Fuel milage
Jacob tomlinson
Mar 22, 2018
2
3
Replies
51
Views
5K
Apr 2, 2018
torqued2dmax
LB7:
Low Oil Light
bigmackmiller
Mar 28, 2018
Replies
6
Views
2K
Mar 29, 2018
bigmackmiller
J
LB7:
Head Gasket Job (truck wont crank now)
jake23
Mar 28, 2018
Replies
6
Views
1K
Mar 28, 2018
Chevy1925
T
LB7:
over haul @ 120k miles?
tsd_billy
Nov 8, 2017
Replies
18
Views
3K
Mar 19, 2018
tsd_billy
T
LB7:
Belt squealing
Jacob tomlinson
Mar 5, 2018
Replies
5
Views
1K
Mar 8, 2018
DAVe3283
LB7:
Whats going on??
Jacob tomlinson
Mar 4, 2018
Replies
2
Views
921
Mar 4, 2018
Jacob tomlinson
LB7:
Injector issues
Jacob tomlinson
Mar 1, 2018
Replies
6
Views
948
Mar 2, 2018
Jacob tomlinson
F
LB7:
Block Heater Failures
FishSniper
Mar 1, 2018
Replies
1
Views
769
Mar 1, 2018
DAVe3283
LB7:
New to LB7s
MidnightLB7
Feb 18, 2018
2
Replies
27
Views
3K
Feb 26, 2018
zakkb787
LB7:
S&B to s3xx
bigmackmiller
Feb 10, 2018
Replies
5
Views
928
Feb 11, 2018
bigmackmiller
LB7:
Stiff upper radiator hose
SparkZ03DMAX
Apr 10, 2013
2
3
4
Replies
67
Views
21K
Jan 28, 2018
NC-smokinlmm
L
LB7:
Injector Replacement
Layton
Dec 21, 2017
Replies
8
Views
2K
Jan 22, 2018
Brent@LDS
7
LB7:
Intake heater?
77cruiser
Jan 20, 2018
Replies
11
Views
4K
Jan 21, 2018
d_drcustoms
D
LB7:
LB7 s369sxe
bigmackmiller
Jan 5, 2018
Replies
6
Views
2K
Jan 21, 2018
Antiher03
H
LB7:
No start!
HD4ME
Jan 19, 2018
Replies
7
Views
1K
Jan 20, 2018
2004LB7
H
LB7:
should i do head gaskets while upgrading? when to do head gaskets?
heavyhauler
Jan 6, 2018
Replies
8
Views
1K
Jan 11, 2018
heavyhauler
H
S
LB7:
Duramax start then shuts off
SCHMIDTYlb7
Jan 2, 2018
Replies
12
Views
6K
Jan 3, 2018
Whitetail Addict
H
LB7:
Bent exhaust push rods!
HD4ME
Dec 23, 2017
Replies
6
Views
2K
Dec 23, 2017
HD4ME
H
A
LB7:
Injectors going out, next to impossible to start when outside temperature below 30
Aces
Dec 22, 2017
Replies
7
Views
1K
Dec 23, 2017
Ne-max
W
LB7:
Overheating/coolant leak LB7
WVlogger
Nov 28, 2017
Replies
10
Views
2K
Dec 14, 2017
WVlogger
W
LB7:
LB7 fuel rail pressure wont build
ThatBlueDuramax
Dec 2, 2017
Replies
9
Views
2K
Dec 4, 2017
MAXX IT OUT
7
LB7:
Changing injectors?
77cruiser
Nov 9, 2017
Replies
13
Views
2K
Nov 28, 2017
bigwhitedd
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