Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2K
Threads
28.8K
Messages
2K
Threads
28.8K
Messages
bigboybuilder
Lacking Power 2001 LB7

LLY New

1.2K
Threads
14.8K
Messages
1.2K
Threads
14.8K
Messages
DAVe3283
NO CRANK NO START

LBZ New

1K
Threads
12.7K
Messages
1K
Threads
12.7K
Messages
T
ECM fried

LMM New

631
Threads
9.9K
Messages
631
Threads
9.9K
Messages
Johnston11106
Whistling noise around 1000 rpm

LML New

470
Threads
6.6K
Messages
470
Threads
6.6K
Messages
M.A.M.
2015 or 2015.5? Owners, help me.

L5P New

49
Threads
2.7K
Messages
49
Threads
2.7K
Messages
$
Looking for complete tune info.

Transfer Case / Axles / Driveshafts Tech

256
Threads
3.1K
Messages
256
Threads
3.1K
Messages
J
Rear Diff Fluid Change

Van

16
Threads
303
Messages
16
Threads
303
Messages
rfletes79
Van failed emissions - P0098 intake air temperature sensor 2 circuit high

Part #'s

393
Threads
2.2K
Messages
393
Threads
2.2K
Messages
jonathancasey19
3rd Brake Light Part No

Turbo Talk New

"Nitrous is nice, but it's best to be Blown"
1.9K
Threads
42.6K
Messages
1.9K
Threads
42.6K
Messages
Bdsankey
Towing Compounds

LM2 (3.0L)

4
Threads
103
Messages
4
Threads
103
Messages
zakkb787
2020 Silverado 1500 Ecodiesel anybody going to buy one?

General Fuel Pump & Exhaust Questions New

316
Threads
6.9K
Messages
316
Threads
6.9K
Messages
JoshH
What’s in the cp3.......

Fluids and Maintenance New

620
Threads
10.3K
Messages
620
Threads
10.3K
Messages
G
2 cycle oil for a fuel additive?

The Pharmacy

Nitrous, Propane, Meth, oxidizers
171
Threads
3.1K
Messages
171
Threads
3.1K
Messages
None

Sticky threads

chevyburnout1
  • Sticky
Attention LML owners...
Replies
47
Views
19K
LBZ
LBZ
chevyburnout1
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G80 locker spring mod
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JOHNBOY
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LB7: BPU's for the LB7
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64
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DAVe3283
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McRat
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Info: Duramax Valve Lash Tutorial.
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31
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mde
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LMM: BPUs for the LMM
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12
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TheBac
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LML BPUs for the LML
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2
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wilrob
wilrob
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23
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Black HD
B
Kat
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nova88
N
McRat
  • Sticky
ABS problems with tires over 34"
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42
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LBZrcks
L
TrentNell
  • Poll
  • Sticky
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73
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57K
TonOfDalt
T
paint94979
  • Sticky
Fluid Capacities Sticky
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42
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hondarider552
hondarider552
McRat
  • Sticky
Info: Glossary of Terms:
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14
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20K
ferramento
F
McRat
  • Sticky
Info: Intake Tubing
Replies
9
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16K
Rhall
Rhall

Normal threads

M
NO CRANK NO START
Replies
3
Views
33
DAVe3283
DAVe3283
T
P0652 & P2228
Replies
2
Views
33
taylorbok
T
Bdsankey
Towing Compounds
Replies
40
Views
754
Bdsankey
Bdsankey
T
ECM fried
Replies
2
Views
76
TonyLBZ
T
R
2015 or 2015.5? Owners, help me.
Replies
7
Views
188
M.A.M.
M.A.M.
monster50iii
Trying to wrap my head around boost decreasing as Rpms increase?
Replies
10
Views
243
monster50iii
monster50iii
1
Looking for complete tune info.
Replies
2
Views
97
$chultz38
$
DuramaxRamRod
L5P Drop In Turbos
Replies
23
Views
611
Kunz111
K
Lb7x2
Lacking Power 2001 LB7
Replies
16
Views
260
bigboybuilder
bigboybuilder
A
Longer than usual cranking time
Replies
3
Views
93
matthew86
M
monster50iii
Considering switching from .91 hoising to 1.0?
Replies
8
Views
167
monster50iii
monster50iii
J
Questions regarding SAC injectors
Replies
27
Views
430
gmduramax
gmduramax
ShopSpecialties
Thermostat Bypass Pipe Hose
Replies
8
Views
453
Bdsankey
Bdsankey
V
Whistling noise around 1000 rpm
Replies
10
Views
321
Johnston11106
Johnston11106
Sethmiller
Exhaust/Boost Leak?
Replies
4
Views
137
Johnston11106
Johnston11106
C
Fuel pressure regulator issue?
Replies
4
Views
79
05LLYDMAX
05LLYDMAX
monster50iii
Boost leak test unearthed exhaust valve leak?
Replies
5
Views
137
monster50iii
monster50iii
catman3126
P2599 Code
Replies
3
Views
74
catman3126
catman3126
Sethmiller
High IATM Temps
Replies
4
Views
81
Bdsankey
Bdsankey
Bdsankey
Borg V2 Race Cover VS Bullseye/Stainless Style Race Cover
Replies
0
Views
71
Bdsankey
Bdsankey
M
Reduced Engine Power duramax
Replies
4
Views
52
2004LB7
2004LB7
Bigturba
2005 lly crank no start after sitting a month
Replies
20
Views
223
Bigturba
Bigturba
I
2 cycle oil for a fuel additive?
Replies
8
Views
180
gmac32
G
fl0w3n
How long would you run these injectors?
Replies
48
Views
844
fl0w3n
fl0w3n
O
Head Gaskets and Upgrades
Replies
3
Views
55
Dozerboy
Dozerboy
LBZ
What’s in the cp3.......
Replies
9
Views
277
JoshH
JoshH
D
Fuel pressure code at idle
Replies
4
Views
103
DirtyDusty
D
T
transmission coolant line keep popping lose
Replies
2
Views
86
TheBac
TheBac
J
EGR delete on 2006 LBZ
Replies
0
Views
84
Jscott
J
M
Driving/shifting questions
Replies
1
Views
67
Chevy1925
Chevy1925
ChevyMax56
2011 LML engine issue
Replies
4
Views
105
2004LB7
2004LB7
W
Bad Injectors?
Replies
13
Views
286
gmac32
G
monster50iii
Trying to find o ring part numbers - coolant leak
Replies
4
Views
60
monster50iii
monster50iii
V
VGT Remote Oil Feed
Replies
4
Views
82
valleyduramax
V
G
Weak A/C
Replies
8
Views
161
Chevy1925
Chevy1925
M
2007 Duramax fuel lines
Replies
3
Views
117
mr450kawman
M
O
p1093
Replies
6
Views
111
Ron Nielson
R
Sethmiller
P0107 Code and No Boost
Replies
3
Views
70
TheBac
TheBac
Yngdmax92
L5p swap... Anybody know DIESEL ATTITUDE
Replies
27
Views
1K
kidturbo
kidturbo
M.A.M.
HP4 diagnose P228C P228B
Replies
15
Views
610
RickL5P
R
Duramax52513
Injector line leaking?
Replies
9
Views
2K
lexa
lexa
T
Changing radiator hoses
Replies
6
Views
110
DAVe3283
DAVe3283
Chevy1925
Venturi catch can setup
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32
Views
2K
Chevy1925
Chevy1925
danzick
1.15 ar for towing
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32
Views
501
Chevy1925
Chevy1925
0
New to Me '03....with some issues.
Replies
11
Views
178
03jkjk
0
Mogman
Obnoxious smell
Replies
7
Views
122
Mogman
Mogman
Lb7joezay
Engine coolant temp
Replies
6
Views
123
Lb7joezay
Lb7joezay
Lb7joezay
Ecm frp signal volt
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4
Views
93
Lb7joezay
Lb7joezay
R
Garrett Turbo
Replies
4
Views
134
rwest001
R
messejme
Race Exhaust Manifold and Up Pipes
Replies
5
Views
281
MarkBroviak
MarkBroviak
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