Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
2004LB7
Thumping noise coming from intake

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
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
F
Got a couple of cylinder contribution codes

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
B
Lly turbo
Replies
15
Views
2K
mike diesel
mike diesel
S
2003 LB7 with the dreaded white smoke at idle
Replies
11
Views
8K
cwolfley
cwolfley
S
Main Cap Walk
Replies
102
Views
16K
jkholder09
J
ScreaminDuramax
HydroBoost Gas Cylinder?
Replies
5
Views
2K
ScreaminDuramax
ScreaminDuramax
thunder550
S475 vs S480 over stock
Replies
37
Views
20K
jnieberlein
jnieberlein
J17HENRY
manley rods
Replies
29
Views
7K
antwon88
A
Burn Down
NON Emissions LB7 Up-pipe fit an LML?
Replies
7
Views
7K
RickDLance
R
M
lposes power on hard acceleration
Replies
6
Views
2K
jkholder09
J
dirtymax36
LLY: Kennedy Dual Pumps?
Replies
3
Views
1K
dirtymax36
dirtymax36
0
LB7 Problems
Replies
3
Views
949
Brent@LDS
Brent@LDS
S
LMM crank in a LLY
Replies
5
Views
2K
jkholder09
J
T
Rearend axle spline count?
Replies
1
Views
2K
ikeG
ikeG
LbzDMax07
What's this plug?
Replies
3
Views
1K
LbzDMax07
LbzDMax07
thunder550
Are plastic fuel filters really that bad?
Replies
41
Views
8K
MarkBroviak
MarkBroviak
LbzDMax07
Turbo coolant line after vvt removal
Replies
8
Views
2K
mike diesel
mike diesel
S
LLY: Another broken crank this weekend
Replies
14
Views
5K
schulte
S
Dozerdog74
LBZ: EGR Delete
Replies
4
Views
2K
joe@HSPDIESEL
joe@HSPDIESEL
Robby Avery
Turbo questions
Replies
1
Views
1K
onebaddmaxxx
O
B
LBZ: intercooler distance question
Replies
1
Views
930
Hot COCOAL
H
C
Lb7 No Start/No Fuel Problem
Replies
6
Views
2K
Chip2004HD
C
thunder550
Twin guys, let's see your passenger fender liners
Replies
34
Views
4K
plowboy_lbz
plowboy_lbz
B
LBZ: New Pump & Injectors - same low rail pressure (P0087)
Replies
8
Views
4K
Bikey
B
A_T_Ver
New Borg Warners
Replies
0
Views
1K
A_T_Ver
A_T_Ver
BLACKMAX1
P0622 Generator Field F Ctrl Circ Error
Replies
19
Views
12K
aumus71
A
LbzDMax07
S400 Oil feed location
Replies
8
Views
2K
moparkxracer
moparkxracer
Ne-max
LB7 Rail Pressure Issue
Replies
4
Views
1K
AKlowriderZ71
AKlowriderZ71
Firefightkev
turbine housing.
Replies
9
Views
2K
Firefightkev
Firefightkev
x MadMAX DIESEL
Waste gate on big turbine
Replies
31
Views
3K
jkholder09
J
B
speedo and tach won't work after injector install
Replies
4
Views
1K
twalterdmax
T
M
Winter Storage
Replies
3
Views
2K
Mainecobra
M
03dmaxkolb
W.O.T all the sudden no power!
Replies
15
Views
3K
ecc_33
ecc_33
BARBER
LB7 s475 over stock kit troubles
Replies
21
Views
6K
BARBER
BARBER
motoking_1990
Wrong Dipstick
Replies
14
Views
2K
motoking_1990
motoking_1990
b_r_a_d_79
Balance rates issue
Replies
18
Views
2K
b_r_a_d_79
b_r_a_d_79
Taylor-34
Bought a LML work truck, need advice on injectors,Cp4,exh...etc
Replies
28
Views
5K
e46_330i
e46_330i
dracing70
lmm boost issues "vanes"
Replies
17
Views
5K
clrussell
clrussell
whitey
Question: Cheetah
Replies
7
Views
2K
bml2200
B
duratothemax
LML 2011-2014 engine differences???
Replies
4
Views
3K
jkholder09
J
thunder550
Block water drain plug - washer?
Replies
5
Views
3K
thunder550
thunder550
MissMaxx
Help?! Popping out of gear/or t case banging out when launching?
Replies
6
Views
2K
MissMaxx
MissMaxx
whitey
Bolts
Replies
0
Views
1K
whitey
whitey
Dmaxbro!
Guillotine for lly ????
Replies
3
Views
2K
Dmaxbro!
Dmaxbro!
z71havinfun
LB7: Driveshaft swap issue
Replies
5
Views
2K
z71havinfun
z71havinfun
A. Stock Lbz
fass blue fuel line
Replies
4
Views
1K
A. Stock Lbz
A. Stock Lbz
02bigstrokin
Piston options
Replies
81
Views
17K
DaveB
DaveB
O
white smoke from headgaskets or hydrolock?
Replies
31
Views
4K
NJ_LLY
NJ_LLY
chrisuns
Wiseco steel pistons
Replies
50
Views
15K
x MadMAX DIESEL
x MadMAX DIESEL
2001-GMC-LB7
LMM: New 4" Exhaust Installed on Extended Van!!!
Replies
2
Views
7K
ShopSpecialties
ShopSpecialties
Firefightkev
return oil line
Replies
7
Views
2K
c20elephant
c20elephant
CaptPhil
Cracked turbine housing
Replies
39
Views
9K
Evan@InglewoodTrans
Evan@InglewoodTrans
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