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
1FastBrick
LLY Ficm

LBZ New

1.2K
14.3K
Threads
1.2K
Messages
14.3K
1FastBrick
Truck wont rev much past 2k rpm no codes

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
blue09dmaxx
Cast billet double bat tct
Replies
15
Views
2K
blue09dmaxx
blue09dmaxx
tgebes
Bad fpr?
Replies
12
Views
2K
tgebes
tgebes
Rerywilson277
tcase popping
Replies
6
Views
3K
blitzin247
blitzin247
OnixMax
Pigtail/connector part numbers?
Replies
2
Views
946
OnixMax
OnixMax
D
leaking anti freeze
Replies
4
Views
1K
deer hunter
D
chevyburnout1
LMM: P0101 and snow ingestion permanent fix???
Replies
11
Views
4K
DIESELMAFIAPER.LB7
DIESELMAFIAPER.LB7
D
LML Oil Pressure and towing.
Replies
3
Views
5K
hondarider552
hondarider552
BHoward6.6
LBZ: Broke my crank
Replies
121
Views
24K
Fingers
Fingers
DieselD
Brake Pedal Vibration
Replies
8
Views
7K
knagel
knagel
z71havinfun
ok turbo guru's...
Replies
2
Views
3K
z71havinfun
z71havinfun
BudTX
ARP Headstuds Needed?
Replies
8
Views
2K
BudTX
BudTX
Kansas2500hd
Oil overfill, rough running, diesel everywhere
Replies
4
Views
3K
Kansas2500hd
Kansas2500hd
D
Hey guys help needed lb 7 heat not working
Replies
32
Views
6K
Dirtytothemax
D
hopkins_fam
LLY: P0181
Replies
4
Views
3K
bmfx1
B
W
Injector Help Needed
Replies
2
Views
903
wormshoe
W
B
LBZ: Keep breaking starters, anyone else?
Replies
5
Views
3K
bmos37
B
J
09 LMM won't crank cold with key FOB
Replies
5
Views
2K
TLyons90
TLyons90
TexasRob
Fuel temp sensor
Replies
2
Views
2K
TexasRob
TexasRob
0
LLY: Lly knock with white smoke
Replies
18
Views
5K
00f3fiddy
0
V
Need new lmm long block
Replies
2
Views
1K
Vortectoy
V
R
2003 LB7 wont start more than a couple times a day
Replies
1
Views
859
the freeze
T
bigjohn
Need advise on egr delete
Replies
16
Views
4K
LBZ
LBZ
LBZ
LML LML CP3 Timed???
Replies
22
Views
8K
bluessmax
bluessmax
2
Cost of cut and coat pistons?
Replies
12
Views
2K
Noreaster
Noreaster
S
Fuel Gauge
Replies
4
Views
1K
Stoneman
S
rivergoer
New here..HP/TQ estimate
Replies
33
Views
6K
baggedLB7
baggedLB7
T
LB7: Low Rail Pressure code after ported fuel rail fitting & bullet
Replies
5
Views
2K
TRUBBS
T
C
Lbz to lly conversion no start
Replies
18
Views
4K
Chad30w
C
D
Help no start
Replies
13
Views
2K
xtremebikr04
xtremebikr04
BobbyBDirtyMax
LLY: How much can a stock bottom end LLY take?
Replies
108
Views
27K
DieselmafiaLLY
DieselmafiaLLY
E
Fuel filter housings
Replies
4
Views
1K
02greysixer
02greysixer
rivergoer
funny story
Replies
5
Views
2K
rivergoer
rivergoer
V
Where to buy glowplug control module?
Replies
6
Views
3K
Veikra
V
A_T_Ver
LLY: p0642 and horrible throttle response
Replies
10
Views
8K
dieselboy04'
dieselboy04'
Harbin_22
Will a front diff interchange from a gasser?
Replies
5
Views
2K
TLyons90
TLyons90
Fingers
Where did your piston crack?
Replies
33
Views
7K
TDFDiesel
TDFDiesel
Muff
Fuel sender/Gauge
Replies
2
Views
1K
Dozerboy
Dozerboy
beanpole209
LB7: Completely gelled up!
Replies
50
Views
11K
allen8106
A
F
LB7: Small amount of pressure left in coolant tank after 6hrs after HG job
Replies
8
Views
2K
fishv12
F
V
LLY: Stock Turbo Mods
Replies
30
Views
11K
yellowchevy
Y
DIESELMAFIAPER.LB7
lbz boost or sensor issue
Replies
11
Views
3K
DIESELMAFIAPER.LB7
DIESELMAFIAPER.LB7
Dozerdog74
Drive pressure a little high.
Replies
19
Views
4K
Muff
Muff
L
LLY: Coolant leak
Replies
2
Views
1K
IOWA LLY
IOWA LLY
O
How to tell if its cp3 or injectors
Replies
8
Views
7K
brewmax
brewmax
Diesel_Addiction
LLY: Intercooler Boot Clamp Size?
Replies
6
Views
4K
Diesel_Addiction
Diesel_Addiction
C
Injectors
Replies
3
Views
937
TLyons90
TLyons90
mudygmc
screaching type whistle when building boost?
Replies
10
Views
6K
NC-smokinlmm
NC-smokinlmm
Kansas2500hd
06 lly knock at 1300-1700 rpm
Replies
56
Views
8K
armymedic1986
A
JDPlowboy
Installing an air dog on a cab and chassis
Replies
5
Views
2K
JDPlowboy
JDPlowboy
Harbin_22
Got my new turbos on.
Replies
45
Views
7K
sickdiesel
sickdiesel
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