Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.1K
30.2K
Threads
2.1K
Messages
30.2K
superswamper003
coolant in the oil....

LLY New

1.2K
15.4K
Threads
1.2K
Messages
15.4K
ChevyMax56
lly ficm repair suggestions

LBZ New

1.1K
13.4K
Threads
1.1K
Messages
13.4K
S
Worth re bearing bottom end or not?

LMM New

702
10.5K
Threads
702
Messages
10.5K
2004LB7
Exhaust leak

LML New

558
7.4K
Threads
558
Messages
7.4K
0
Going back stock from DEF delete

L5P New

73
2.9K
Threads
73
Messages
2.9K
7
L5P INJECTOR QUESTION

Transfer Case / Axles / Driveshafts Tech New

273
3.3K
Threads
273
Messages
3.3K
CDmax16
LLY rear axle - weird wear on edge of gear

Van

17
309
Threads
17
Messages
309
R
2006 3500 express van turbo diesel cooling system

Part #'s

394
2.2K
Threads
394
Messages
2.2K
xringmaster
Vehicle to trailer plug harness part no.

Turbo Talk New

"Nitrous is nice, but it's best to be Blown"
1.9K
43.3K
Threads
1.9K
Messages
43.3K
OleBlackyLBZ
3794 turbo braking

General Fuel System & Exhaust Questions New

345
7.3K
Threads
345
Messages
7.3K
T
What's the difference between the LMM and LLY fuel pressure regulators?

Fluids and Maintenance

638
10.5K
Threads
638
Messages
10.5K
LBZ
Front end lube
  • LBZ

The Pharmacy New

Nitrous, Propane, Meth, oxidizers
172
3.2K
Threads
172
Messages
3.2K
Baking83
Nitrous

Sticky threads

chevyburnout1
  • Sticky
Attention LML owners...
Replies
47
Views
22K
LBZ
LBZ
chevyburnout1
  • Sticky
G80 locker spring mod
Replies
48
Views
9K
Yngdmax92
Yngdmax92
JOHNBOY
  • Sticky
LB7: BPU's for the LB7
Replies
64
Views
80K
DAVe3283
DAVe3283
bullfrogjohnson
  • Sticky
The $20 LB7 Injector Cup Tool
Replies
40
Views
61K
rickcdewitt
R
McRat
  • Sticky
Info: Duramax Valve Lash Tutorial.
Replies
31
Views
67K
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
3K
Bulldogr6
Bulldogr6
TheBac
  • Sticky
LML BPUs for the LML
Replies
2
Views
7K
AZlml
AZlml
TheBac
  • Sticky
LBZ: BPUs for the LBZ
Replies
1
Views
7K
Ne-max
Ne-max
McRat
  • Sticky
Which Turbocharger is right for me?
Replies
124
Views
89K
wilrob
wilrob
McRat
  • Sticky
LLY: BPU List for LLY's
Replies
23
Views
54K
Black HD
B
Kat
  • Sticky
Emergency Relearn on ECM works on LBZ
Replies
23
Views
68K
nova88
N
McRat
  • Sticky
ABS problems with tires over 34"
Replies
42
Views
54K
LBZrcks
L
TrentNell
  • Sticky
  • Poll
Info: Injectors poll
Replies
73
Views
58K
TonOfDalt
T
paint94979
  • Sticky
Fluid Capacities Sticky
Replies
42
Views
42K
hondarider552
hondarider552
McRat
  • Sticky
Info: Glossary of Terms:
Replies
14
Views
20K
ferramento
F
McRat
  • Sticky
Info: Intake Tubing
Replies
9
Views
16K
Rhall
Rhall

Normal threads

danzick
coolant in the oil....
Replies
73
Views
992
superswamper003
superswamper003
R
Going back stock from DEF delete
Replies
5
Views
236
08lmm72mm
0
kubitza123
LB7 fuel line clean up in the valley ??
Replies
12
Views
2K
rfletes79
rfletes79
NevadaLLY
LLY rear axle - weird wear on edge of gear
Replies
21
Views
584
CDmax16
CDmax16
PIG
LBZ: Duel cp3 idler pulley
Replies
14
Views
3K
othrgrl
othrgrl
ChevyMax56
lly ficm repair suggestions
Replies
0
Views
65
ChevyMax56
ChevyMax56
S
Worth re bearing bottom end or not?
Replies
5
Views
405
Squaremaxfan
S
danzick
cranking with the key on
Replies
27
Views
328
danzick
danzick
B
6.6LML bucket of DTC's - help please
Replies
2
Views
93
Ron Nielson
R
boostwhore
3794 turbo braking
Replies
31
Views
544
OleBlackyLBZ
OleBlackyLBZ
M
Exhaust leak
Replies
1
Views
60
2004LB7
2004LB7
danzick
cranking without fuel
Replies
2
Views
267
Bdsankey
Bdsankey
Dm23
L5P INJECTOR QUESTION
Replies
11
Views
409
77cruiser
7
Z
engine issues!!!!
Replies
9
Views
238
TheBac
TheBac
Graden56
Possibly blown head gaskets
Replies
2
Views
125
Graden56
Graden56
Dmax87
Loss of comm. with ECM and tcm?
Replies
25
Views
19K
BigSexy
B
P
(SOLVED) Weird fuel pressure symptoms
Replies
20
Views
354
dndj
dndj
coppolac
New member injector issue
Replies
4
Views
146
Chevy1925
Chevy1925
Unhingedaz
L5P fuel system upgrade
Replies
6
Views
201
Unhingedaz
Unhingedaz
T
LB7: Can Injectors be bad but still pass the balance rate test?
Replies
17
Views
3K
2004LB7
2004LB7
B
2013 3500 Silverado diesel
Replies
1
Views
80
TheBac
TheBac
D
LMM cp3 making noise?
Replies
6
Views
106
dominator200
D
T
What's the difference between the LMM and LLY fuel pressure regulators?
Replies
8
Views
163
turbovan
T
Baking83
Nitrous
Replies
20
Views
397
Baking83
Baking83
LB7_01DURAMAX
Injector problem
Replies
12
Views
226
LB7_01DURAMAX
LB7_01DURAMAX
T
Piecing together an LLY, where is the wire connector the fuel pressure sensor?
Replies
0
Views
95
turbovan
T
baggedLB7
Rolled my truck.
Replies
9
Views
270
baggedLB7
baggedLB7
T
Has anyone run LMM Injectors in an LLY?
Replies
6
Views
130
turbovan
T
McRat
LLY vs LBZ Reluctor Wheel.
Replies
19
Views
18K
turbovan
T
brown bear
serpentine belt comes off
Replies
37
Views
10K
Baking83
Baking83
D
06 express van throwing codes going into limp mode
Replies
0
Views
50
Dvanski
D
Graden56
New code thrown
Replies
1
Views
79
Ron Nielson
R
W
Best aftermarket alternator, and how big?
Replies
11
Views
201
TheBac
TheBac
C
Cp3 removal
Replies
4
Views
185
Dozerboy
Dozerboy
8
2004 LLY Crank no start need help!
Replies
6
Views
191
79LT1Monte
79LT1Monte
Dozerboy
GM set to buy back some trucks.....
Replies
4
Views
2K
Dean E
Dean E
AugieM
Front end lube
Replies
4
Views
191
LBZ
LBZ
I
which exhaust manifold to replace on LBZ
Replies
45
Views
1K
RickDLance
R
P
Need help with lift pump sump, nowhere to install
Replies
43
Views
593
pavetim
P
R
Did LML def and complete EGR delete new radiator and Intercooler and still overheating
Replies
28
Views
636
RickDLance
R
OleBlackyLBZ
New or Re-Build Steering Box
Replies
24
Views
556
OleBlackyLBZ
OleBlackyLBZ
M
Reman injectors
Replies
2
Views
118
2004LB7
2004LB7
MAXX IT OUT
Going back to stock or stay aftermarket
Replies
26
Views
2K
MAXX IT OUT
MAXX IT OUT
M
hazing or smoking at idle lose of oil out exhaust
Replies
25
Views
417
malkintent
M
MAXX IT OUT
LB7: Ficm problems???
Replies
58
Views
38K
dndj
dndj
M
68mm
Replies
10
Views
204
gmduramax
gmduramax
M
Y Bridge
Replies
7
Views
171
BLACKMAX1
BLACKMAX1
M
LMM "Home Mods"
Replies
4
Views
191
gmduramax
gmduramax
P
What to do with fuel filter
Replies
15
Views
272
2004LB7
2004LB7
U
No start issue
Replies
3
Views
100
2004LB7
2004LB7
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