Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.8K
Threads
2.2K
Messages
31.8K
Bdsankey
Lb7 idle surge in park

LLY New

1.3K
17.3K
Threads
1.3K
Messages
17.3K
S
Ran LLY Truck Dry

LBZ New

1.1K
14.3K
Threads
1.1K
Messages
14.3K
JoshH
Connector
  • JoshH

LMM New

759
11.2K
Threads
759
Messages
11.2K
Dean E
Coolant flush on the LMM

LML New

644
8.3K
Threads
644
Messages
8.3K
1FastBrick
LML EGR Parts needed

L5P New

117
3.5K
Threads
117
Messages
3.5K
2004LB7
L5P will barely start, then die Please Help

Transfer Case / Axles / Driveshafts Tech New

289
3.5K
Threads
289
Messages
3.5K
K
CC/LB single piece driveshaft

Van

17
310
Threads
17
Messages
310
D
Custom Van Air Intake

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
Lennydmaxguy
Stealth 64 Rebuild?

General Fuel System & Exhaust Questions New

369
7.6K
Threads
369
Messages
7.6K
TheBac
Haze and heavy diesel smell

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

Sticky threads

M
  • Sticky
LLY Ficm
Replies
953
Views
33K
DuramaxNWA
D
paint94979
  • Sticky
Fluid Capacities Sticky
Replies
49
Views
44K
Chevy1925
Chevy1925
JoshH
  • Locked
  • Sticky
2020 oil cooler part numbers
Replies
2
Views
582
Chevy1925
Chevy1925
chevyburnout1
  • Sticky
Attention LML owners...
Replies
47
Views
24K
LBZ
LBZ
chevyburnout1
  • Sticky
G80 locker spring mod
Replies
48
Views
12K
Yngdmax92
Yngdmax92
JOHNBOY
  • Sticky
LB7: BPU's for the LB7
Replies
64
Views
83K
DAVe3283
DAVe3283
bullfrogjohnson
  • Sticky
The $20 LB7 Injector Cup Tool
Replies
40
Views
64K
rickcdewitt
R
McRat
  • Sticky
Info: Duramax Valve Lash Tutorial.
Replies
31
Views
73K
BOBBYDIESEL 14
BOBBYDIESEL 14
mde
  • Sticky
Nozzles change manual
Replies
3
Views
8K
Frogman1
Frogman1
TheBac
  • Sticky
LMM: BPUs for the LMM
Replies
12
Views
4K
Bulldogr6
Bulldogr6
TheBac
  • Sticky
LML BPUs for the LML
Replies
2
Views
8K
AZlml
AZlml
TheBac
  • Sticky
LBZ: BPUs for the LBZ
Replies
1
Views
8K
Ne-max
Ne-max
McRat
  • Sticky
Which Turbocharger is right for me?
Replies
124
Views
93K
wilrob
wilrob
McRat
  • Sticky
LLY: BPU List for LLY's
Replies
23
Views
55K
Black HD
B
Kat
  • Sticky
Emergency Relearn on ECM works on LBZ
Replies
23
Views
70K
nova88
N
McRat
  • Sticky
ABS problems with tires over 34"
Replies
42
Views
55K
LBZrcks
L
TrentNell
  • Sticky
  • Poll
Info: Injectors poll
Replies
73
Views
59K
TonOfDalt
T
McRat
  • Sticky
Info: Glossary of Terms:
Replies
14
Views
21K
ferramento
F
McRat
  • Sticky
Info: Intake Tubing
Replies
9
Views
17K
Rhall
Rhall

Normal threads

Rdomeck
L5P will barely start, then die Please Help
Replies
45
Views
759
2004LB7
2004LB7
Dalton mulhollem
Lb7 idle surge in park
Replies
9
Views
126
Bdsankey
Bdsankey
4
Battery Issues
Replies
9
Views
149
NC-smokinlmm
NC-smokinlmm
S
Connector
Replies
5
Views
96
JoshH
JoshH
S
Ran LLY Truck Dry
Replies
7
Views
211
Shane H
S
F
LML EGR Parts needed
Replies
3
Views
4K
1FastBrick
1FastBrick
Yngdmax92
L5p swap... Anybody know DIESEL ATTITUDE
Replies
27
Views
9K
Tommy's Auto
T
MTNMAX
glow plugs
Replies
18
Views
246
MTNMAX
MTNMAX
T
Parts advice for new seals
Replies
3
Views
88
TAJ
T
K
LB7 with 40 engine codes
Replies
35
Views
388
Kodiak440
K
D
In need of some guidance
Replies
29
Views
519
Chevy1925
Chevy1925
Dean E
Coolant flush on the LMM
Replies
10
Views
167
Dean E
Dean E
B
Lost communication/ no crank
Replies
2
Views
95
JoshH
JoshH
J
Slow to turn over...
Replies
10
Views
230
2004LB7
2004LB7
Gman1965
Knox sensor
Replies
3
Views
91
Chevy1925
Chevy1925
Chandler3825
Haze and heavy diesel smell
Replies
1
Views
79
TheBac
TheBac
R
L5P injectors require back pressure to operate?
Replies
2
Views
96
Chevy1925
Chevy1925
Jbendris
Electrical issues
Replies
4
Views
586
Rdomeck
Rdomeck
Dm23
L5P INJECTOR QUESTION
Replies
13
Views
4K
Rdomeck
Rdomeck
F
2005 lly duramax map sensor/wiring issue
Replies
14
Views
162
2004LB7
2004LB7
N
LLY Coolant Leak (Front Driver's Side)
Replies
0
Views
67
Npushor
N
Chevy1925
CC/LB single piece driveshaft
Replies
42
Views
14K
kaylabryn
K
L
Crank no start no codes
Replies
2
Views
88
landon7320
L
DirtymaxLB71904
White steam coming from pcv tube
Replies
2
Views
114
DirtymaxLB71904
DirtymaxLB71904
N
Some help for a local
Replies
8
Views
259
JoshH
JoshH
C
LBZ/LLY Cab swap
Replies
10
Views
199
Carsonmf14
C
R
Coolant temp sensor
Replies
2
Views
71
Ron Nielson
R
pl_silverado
Need some opinions on 2010 LMM build
Replies
24
Views
639
1FastBrick
1FastBrick
T
LB7 Fuel Filter Issue?
Replies
5
Views
138
Bdsankey
Bdsankey
L
LB7 fuel issues
Replies
3
Views
77
mojito5000
mojito5000
T
NOX sensor 2018 2500HD Duramax L5P
Replies
20
Views
580
TexanKirk1
T
L
LB7 build/ LLY swap
Replies
11
Views
260
Bdsankey
Bdsankey
OleBlackyLBZ
P00F6 LML issues
Replies
1
Views
81
Ron Nielson
R
0
LBZ water pump time, what all do I need?
Replies
12
Views
234
07mydmax
0
J
Injector blowby LB7
Replies
34
Views
536
Bdsankey
Bdsankey
ikeG
Oil prime
Replies
16
Views
374
ikeG
ikeG
T
LB7: Injector Cup/Copper washers
Replies
9
Views
5K
JG_2004DM
J
J
06 with 80k on it. Drop in MPG
Replies
10
Views
209
jeeperaz
J
K
06 LBZ P0087 Headache
Replies
46
Views
2K
TheBac
TheBac
OleBlackyLBZ
Starfire Fluid Built Trans
Replies
13
Views
270
OleBlackyLBZ
OleBlackyLBZ
J
2011 LML 2500 4wd P040F and P041C
Replies
3
Views
96
Jeff2500HD
J
N
Accelerator replacement
Replies
29
Views
369
N2BRK
N
H
Axle keeps coming out of the cup
Replies
3
Views
85
Chevy1925
Chevy1925
DirtymaxLB71904
Strange coolant leak
Replies
10
Views
234
JoshH
JoshH
J
Lb7 p2146 p0206 p0204 p0201 p0207
Replies
1
Views
60
2004LB7
2004LB7
T
No Crank no start
Replies
2
Views
91
Theguy2c
T
K
Won't Stay Running
Replies
13
Views
170
kmcmillion
K
Unhingedaz
L5P fuel system upgrade
Replies
7
Views
2K
decathlin
D
C
Duramax cam sensor
Replies
5
Views
94
TheBac
TheBac
LSxBakakos
Fuel starvation under WOT
Replies
8
Views
149
LSxBakakos
LSxBakakos
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