Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
lexa
Thumping noise coming from intake
  • lexa

LLY New

1.3K
17.3K
Threads
1.3K
Messages
17.3K
kidturbo
LLY Ficm

LBZ New

1.2K
14.3K
Threads
1.2K
Messages
14.3K
shakenfake
Service Brake System message

LMM New

767
11.2K
Threads
767
Messages
11.2K
N2BRK
PLEASE HELP!! 07.5 LMM No shift indicator, dome lights, power locks & windows, NO CRANK NO START

LML New

654
8.4K
Threads
654
Messages
8.4K
NC-smokinlmm
Misfire at 1200rpm

L5P New

124
3.8K
Threads
124
Messages
3.8K
Rdomeck
L5P will barely start, then die Please Help

Transfer Case / Axles / Driveshafts Tech New

294
3.5K
Threads
294
Messages
3.5K
TheBac
No 4WD

Van

18
312
Threads
18
Messages
312
M
LGH (detuned LML in a van) Engine Shuts off at full throttle

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
malibu795
WWYD? Turbo time

General Fuel System & Exhaust Questions New

373
7.7K
Threads
373
Messages
7.7K
M
dual tank woes

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
zf6lly
exhaust Tick
Replies
6
Views
2K
zf6lly
zf6lly
T
Help: Buddies LLY Died With A Trailer And Wont ReStart
Replies
5
Views
2K
blk smoke lb7
blk smoke lb7
dirtymax36
LLY: HELP! excessive white smoke at idle on lly
Replies
0
Views
2K
dirtymax36
dirtymax36
Jscherbs
n2o ?'s
Replies
12
Views
3K
joe@HSPDIESEL
joe@HSPDIESEL
M
twins are built
Replies
32
Views
3K
matt78
M
davig
truck won't start
Replies
0
Views
1K
davig
davig
adrenaholc1
LBZ: oil cooler leaking coolant?
Replies
16
Views
25K
matthew
M
mamu
02 hard start while warm
Replies
7
Views
1K
mamu
mamu
metron
LBZ: EGR block plate codes?
Replies
4
Views
2K
btfarm
btfarm
x MadMAX DIESEL
LBZ to LLY fuel system
Replies
3
Views
683
x MadMAX DIESEL
x MadMAX DIESEL
AZBio
LBZ: P0192
Replies
1
Views
2K
AZBio
AZBio
x MadMAX DIESEL
Twin cp3 fuel line
Replies
5
Views
1K
x MadMAX DIESEL
x MadMAX DIESEL
05chevy
LBZ: Reduce engine power
Replies
4
Views
2K
ecc_33
ecc_33
05Monsterdmax
S472 billet towing, need advice on egts
Replies
35
Views
6K
Chevy1925
Chevy1925
B
Maybe posting in wrong cat. But need help
Replies
4
Views
694
duramaxzak
duramaxzak
Magnus
HTT SS 13cm^12 turbine flow
Replies
1
Views
993
JDub
JDub
0
LBZ: Excessive black smoke and low fuel rail pressure code
Replies
1
Views
2K
07bluelbz
07bluelbz
jmaz268
LB7: 01 with Wherli Dual Fueler
Replies
0
Views
690
jmaz268
jmaz268
H
Comparing gtx4294r to gtx4202r
Replies
32
Views
7K
Magnus
Magnus
G
Question: EGR/Intake manifold cleanup?
Replies
0
Views
713
gonemob
G
MAXX IT OUT
LB7: LLY valve covers on LB7
Replies
15
Views
7K
MAXX IT OUT
MAXX IT OUT
chevyburnout1
Where to find compound intake pipe??
Replies
15
Views
2K
chevyburnout1
chevyburnout1
brandon06dmax
s366 over s480 owners
Replies
30
Views
7K
coker6303
coker6303
P
LBZ: What egr delete?
Replies
26
Views
4K
P38LLY
P
slipclutchms
LLY Injector problem? Balance rates crazY!
Replies
17
Views
19K
juddski88
juddski88
maine dmax
Need help, 06 LBZ doing weird stuff
Replies
4
Views
235
maine dmax
maine dmax
WisconsinHick1
Need Part Number
Replies
1
Views
678
duramaxzak
duramaxzak
catman3126
S4xx
Replies
16
Views
3K
blk smoke lb7
blk smoke lb7
POWDR
Diff and T-case annoying question-sorry
Replies
7
Views
2K
IronDX
I
07metallicgreen
DEI coolant additive
Replies
1
Views
2K
sweetdiesel
sweetdiesel
07metallicgreen
5.5" to 5" silicone reducer
Replies
4
Views
2K
jmaz268
jmaz268
bigjake18
P0101 now after cp3 install attempt
Replies
14
Views
2K
bigjake18
bigjake18
sweetdiesel
Nitrous Express experianced people?
Replies
12
Views
4K
SSchmi5519
SSchmi5519
T
LB7: Need help my truck isnt getting any boost
Replies
11
Views
2K
taragean
T
A_T_Ver
Allison 5sp: Deep pan fluid level
Replies
8
Views
4K
PhilsLB7
P
L
Need some help, coolant leak
Replies
1
Views
786
Lofti7
L
F
Steering noise - Sounds like an old door screeching when turning left
Replies
23
Views
12K
mics_54
M
Jackblack99
Question: engine/trans adapter
Replies
2
Views
732
Jackblack99
Jackblack99
kking
LB7: Nick tane conversion.
Replies
5
Views
2K
kking
kking
SmokeShow
Stock Crank Strength and Stability
Replies
30
Views
6K
Fahlin Racing
Fahlin Racing
MechanicalReign
LB7: Lb7 Return Banjo bolt Stripped Need Imput
Replies
17
Views
5K
blk smoke lb7
blk smoke lb7
mike diesel
LLY: 72mm VVT Thread
Replies
18
Views
5K
MarkBroviak
MarkBroviak
T
Need help cutting MBRP ext pipe for ec sb 05 2500hd
Replies
10
Views
2K
Vrabel
Vrabel
dracing70
Got a clearance problem!!!
Replies
19
Views
3K
sweetdiesel
sweetdiesel
J
lmm top end with lly bottom end
Replies
2
Views
1K
[email protected]
J
6cummins
LB7 Urgent help..
Replies
24
Views
6K
6cummins
6cummins
ACiFiC
LB7: Balance Rates Question
Replies
4
Views
2K
ACiFiC
ACiFiC
AKlowriderZ71
Hey guys, need an assist here
Replies
16
Views
3K
ripmf666
ripmf666
J
LLY: Injectors... Noooo!!!
Replies
14
Views
3K
Jonesin33
J
S
Anyone ever had this problem?!?!
Replies
10
Views
2K
Shieldsinc
S
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