Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2K
Threads
28.8K
Messages
2K
Threads
28.8K
Messages
M
No start, no codes, this truck is killing me!

LLY New

1.2K
Threads
14.8K
Messages
1.2K
Threads
14.8K
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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
56taskforce
LBZ: Perfect turbo for 100% injectors LBZ

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
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Attention LML owners...
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G80 locker spring mod
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mde
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nova88
N
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ABS problems with tires over 34"
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TrentNell
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TonOfDalt
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paint94979
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Normal threads

garrettlbz
LBZ: Perfect turbo for 100% injectors LBZ
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46
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56taskforce
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Bdsankey
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54
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1K
Bdsankey
Bdsankey
B
Turbo Questions for New Build
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0
Views
23
BigTexas68
B
M
No start, no codes, this truck is killing me!
Replies
4
Views
58
mojito5000
M
MAXX IT OUT
Injector Balance rates effected by low compression???
Replies
3
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97
MAXX IT OUT
MAXX IT OUT
DuramaxRamRod
L5P Drop In Turbos
Replies
26
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737
DuramaxRamRod
DuramaxRamRod
H
Surging when off the throttle?
Replies
11
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2K
ChrisPerry
ChrisPerry
M
NO CRANK NO START
Replies
3
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70
DAVe3283
DAVe3283
T
P0652 & P2228
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2
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48
taylorbok
T
T
ECM fried
Replies
2
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81
TonyLBZ
T
R
2015 or 2015.5? Owners, help me.
Replies
7
Views
202
M.A.M.
M.A.M.
monster50iii
Trying to wrap my head around boost decreasing as Rpms increase?
Replies
10
Views
262
monster50iii
monster50iii
1
Looking for complete tune info.
Replies
2
Views
114
$chultz38
$
Lb7x2
Lacking Power 2001 LB7
Replies
16
Views
268
bigboybuilder
bigboybuilder
A
Longer than usual cranking time
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97
matthew86
M
monster50iii
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8
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172
monster50iii
monster50iii
J
Questions regarding SAC injectors
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27
Views
441
gmduramax
gmduramax
ShopSpecialties
Thermostat Bypass Pipe Hose
Replies
8
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457
Bdsankey
Bdsankey
V
Whistling noise around 1000 rpm
Replies
10
Views
325
Johnston11106
Johnston11106
Sethmiller
Exhaust/Boost Leak?
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4
Views
138
Johnston11106
Johnston11106
C
Fuel pressure regulator issue?
Replies
4
Views
84
05LLYDMAX
05LLYDMAX
monster50iii
Boost leak test unearthed exhaust valve leak?
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5
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141
monster50iii
monster50iii
catman3126
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3
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79
catman3126
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Bdsankey
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Bdsankey
Bdsankey
M
Reduced Engine Power duramax
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54
2004LB7
2004LB7
Bigturba
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20
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229
Bigturba
Bigturba
I
2 cycle oil for a fuel additive?
Replies
8
Views
182
gmac32
G
fl0w3n
How long would you run these injectors?
Replies
48
Views
850
fl0w3n
fl0w3n
O
Head Gaskets and Upgrades
Replies
3
Views
59
Dozerboy
Dozerboy
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Replies
9
Views
281
JoshH
JoshH
D
Fuel pressure code at idle
Replies
4
Views
106
DirtyDusty
D
T
transmission coolant line keep popping lose
Replies
2
Views
91
TheBac
TheBac
J
EGR delete on 2006 LBZ
Replies
0
Views
92
Jscott
J
M
Driving/shifting questions
Replies
1
Views
71
Chevy1925
Chevy1925
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2011 LML engine issue
Replies
4
Views
108
2004LB7
2004LB7
W
Bad Injectors?
Replies
13
Views
293
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
85
valleyduramax
V
G
Weak A/C
Replies
8
Views
163
Chevy1925
Chevy1925
M
2007 Duramax fuel lines
Replies
3
Views
120
mr450kawman
M
O
p1093
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6
Views
114
Ron Nielson
R
Sethmiller
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3
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72
TheBac
TheBac
Yngdmax92
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kidturbo
kidturbo
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RickL5P
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Duramax52513
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lexa
lexa
T
Changing radiator hoses
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6
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113
DAVe3283
DAVe3283
Chevy1925
Venturi catch can setup
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32
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Chevy1925
danzick
1.15 ar for towing
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32
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504
Chevy1925
Chevy1925
0
New to Me '03....with some issues.
Replies
11
Views
180
03jkjk
0
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