Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
2004LB7
Crank NO Start 2002 2500HD LB7

LLY New

1.3K
17.4K
Threads
1.3K
Messages
17.4K
kidturbo
LLY Ficm

LBZ New

1.2K
14.3K
Threads
1.2K
Messages
14.3K
TheBac
WEIRD SHAKES AT IDLE???

LMM

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
2004LB7
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

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 New

397
2.3K
Threads
397
Messages
2.3K
gmc502
2016 alternator 2 pin connector P/N

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 New

653
10.7K
Threads
653
Messages
10.7K
1FastBrick
Which trans fluid ?

The Pharmacy

Nitrous, Propane, Meth, oxidizers
172
3.2K
Threads
172
Messages
3.2K
Baking83
Nitrous
sweetdiesel
Lb7 fuel rail info
Replies
100
Views
27K
ChevyTruckGuy78
ChevyTruckGuy78
770JOHNNYW
LB7: Fuel return line wanted
Replies
11
Views
2K
770JOHNNYW
770JOHNNYW
kjp800
LLY: Injector o-ring size
Replies
1
Views
3K
Vrabel
Vrabel
W
Boost Guage
Replies
10
Views
3K
workin' diesel
W
D
Mechanical Duramax hp
Replies
7
Views
3K
othrgrl
othrgrl
BUST'EM 504
  • Locked
How do I get a hold of Duratothemax
Replies
7
Views
3K
BUST'EM 504
BUST'EM 504
dracing70
new lb7 problem
Replies
16
Views
4K
dracing70
dracing70
dirttymaxx
2.6 turbo
Replies
26
Views
7K
dirttymaxx
dirttymaxx
REDHOSS02
01 rear rotors!
Replies
6
Views
1K
CamaroZ
C
J
LLY: bypass leak
Replies
3
Views
1K
jcherbert1
J
JD Dave
Front Diff problems.
Replies
14
Views
4K
dirttymaxx
dirttymaxx
M
turbo differences?
Replies
3
Views
1K
duramaxsandwich
duramaxsandwich
s3gulit
Ported CP3 fitting (?)
Replies
1
Views
689
DIESELMAFIAPER.LB7
DIESELMAFIAPER.LB7
M
Curious
Replies
9
Views
1K
ChevyTruckGuy78
ChevyTruckGuy78
x MadMAX DIESEL
AC indicater Blinking
Replies
6
Views
3K
x MadMAX DIESEL
x MadMAX DIESEL
djms
Arp studs
Replies
5
Views
1K
djms
djms
DIESELMAFIAPER.LB7
rail fittings on lb7?
Replies
20
Views
3K
Mike_S
Mike_S
JMK777
IHI rebuild
Replies
13
Views
7K
ChevyTruckGuy78
ChevyTruckGuy78
ChevyTruckGuy78
LB7: lb7 y bridge gasket part numbers
Replies
2
Views
1K
ChevyTruckGuy78
ChevyTruckGuy78
SparkZ03DMAX
Pro-Fab are jerks!!
Replies
4
Views
1K
SparkZ03DMAX
SparkZ03DMAX
D
The tear down
Replies
91
Views
10K
Diesel power
D
marcusrushing90
Part description and bad o-rings
Replies
23
Views
3K
marcusrushing90
marcusrushing90
Swisstyphoon
Question: need MAF-Sensor part #
Replies
3
Views
2K
dmaxfireman
dmaxfireman
A
Need immediate help with glow plug replacement LLY vs. LBZ
Replies
2
Views
2K
anymanusa
A
kx500
s400
Replies
17
Views
3K
othrgrl
othrgrl
juddski88
Exhaust manifold Bolt pattern
Replies
1
Views
2K
dirttymaxx
dirttymaxx
M
Parker Racor filter
Replies
6
Views
5K
jdlover1
jdlover1
GeneralTJI
My fix for keeping bridge inlet pipe secure (w/ egr delete)
Replies
15
Views
3K
DetailsUnlimited
DetailsUnlimited
Vasbinder
Altenator bearings gone bad
Replies
0
Views
519
Vasbinder
Vasbinder
02bigstrokin
forged pistons?
Replies
76
Views
10K
othrgrl
othrgrl
S
Engine Power is Reduced
Replies
8
Views
24K
spudstud
S
SparkZ03DMAX
Allison 5sp: Tapshifter Prices?
Replies
32
Views
4K
carpenca
carpenca
DetailsUnlimited
Annoying Turbo whistle Help?
Replies
13
Views
9K
DetailsUnlimited
DetailsUnlimited
Trotorx2
LBZ: Towing performance
Replies
18
Views
4K
RENODMAX
RENODMAX
B
engine question
Replies
9
Views
1K
buckmasterjr
B
Car RamRod
someting interesting that I found while swaping a Kodiak Max
Replies
4
Views
811
Car RamRod
Car RamRod
bullfrogjohnson
WPE Mod Truck Dmax
Replies
19
Views
5K
ecc_33
ecc_33
Micheal Tomac
Has anyone cracked a Mahle forged piston?
Replies
3
Views
2K
05smoker
05smoker
W
LBZ: LB7 Intake Heater Voltage?
Replies
6
Views
4K
Micheal Tomac
Micheal Tomac
D
Help in the Houston, Tx gulfcoast area
Replies
6
Views
1K
duramax02
D
D
Triples
Replies
41
Views
7K
Colt
C
Chevy1925
Finally gettin twins!!!!
Replies
160
Views
16K
Sledhead
Sledhead
juddski88
Cummins II 220% over CP3 - can I use it?
Replies
7
Views
1K
J Spruill
J
Vrabel
LB7: Well, more bad injectors!
Replies
0
Views
990
Vrabel
Vrabel
TAGLARRY
Allison 6sp: TRANSYND for $25.00 per gallon
Replies
3
Views
6K
paoutdoorsman
paoutdoorsman
B
Cooling system question
Replies
4
Views
3K
Bagged93gmc
B
D
differance between LBZ and LB7 CP3
Replies
5
Views
2K
ripmf666
ripmf666
blackdirtymax
Motor build????
Replies
45
Views
7K
jdlover1
jdlover1
R
Duramax head gasket
Replies
20
Views
15K
whitetrash21
whitetrash21
BUST'EM 504
Help: Truck stuck in 4 low help
Replies
15
Views
16K
Colt
C
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