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
Kat
alignment issues
Replies
17
Views
3K
CancerPipe
CancerPipe
M
What is the ideal 700+ Street Motor
Replies
30
Views
5K
McRat
McRat
NCT
Exhaust Question
Replies
0
Views
964
NCT
NCT
LBZ
Lift Pump Questions
Replies
26
Views
4K
LBZ
LBZ
McRat
Turn off your A/C.
Replies
18
Views
3K
Cornell
Cornell
Lonnie
Air in fuel system
Replies
6
Views
1K
mvnvltn
mvnvltn
SmokeShow
Valve Adjustment??
Replies
16
Views
22K
mvnvltn
mvnvltn
McRat
Turning a Bank's Intake into true Ram-Air:
Replies
11
Views
3K
LarryJewell
LarryJewell
J
Spinoff of GT42 for $99
Replies
16
Views
2K
Bluemax
Bluemax
bullfrogjohnson
water/meth question
Replies
18
Views
5K
BADDZL03
BADDZL03
McRat
Borg Warner AirWerks S400x Testing has started:
Replies
36
Views
5K
codyn
codyn
camcojb
P009E code on LMM
Replies
21
Views
7K
LBZ
LBZ
B
Crankshaft counter weight locations?
Replies
2
Views
1K
sweetdiesel
sweetdiesel
LB7Diesel
Fuel Pick-Up?
Replies
7
Views
2K
sweetdiesel
sweetdiesel
McRat
New Charger in Testing:
Replies
17
Views
3K
dieselson
dieselson
MaxFarmer
Gearing
Replies
19
Views
3K
nar
nar
NastyNate
HTT Vs. GT4094R
Replies
22
Views
4K
Mike
M
LB7Diesel
Stabilizer Shock?
Replies
15
Views
2K
LarryJewell
LarryJewell
MAXLLY
What About All The Other O-rings/gaskets?
Replies
9
Views
2K
MAXLLY
MAXLLY
LB7Diesel
Oil Psi 120?
Replies
24
Views
8K
Bobo
B
MAXLLY
Crank Key Stock
Replies
3
Views
4K
JOHNBOY
JOHNBOY
dracing70
Intake plenum?
Replies
8
Views
3K
LarryJewell
LarryJewell
sweetdiesel
Aftermarket fluid dampners Y/N?
Replies
8
Views
2K
sweetdiesel
sweetdiesel
SmokeShow
Fuel Return Line
Replies
3
Views
3K
SmokeShow
SmokeShow
sweetdiesel
wait to start wires for comand starts
Replies
0
Views
1K
sweetdiesel
sweetdiesel
Lonnie
Tight spot rotating engine
Replies
26
Views
6K
02freighttrain
02freighttrain
Lonnie
Maximum lift pump pressure?
Replies
18
Views
7K
BIG DIPPER
B
serpa4
Getting a DP, what to coat with???
Replies
6
Views
2K
serpa4
serpa4
bullfrogjohnson
Pitman and Idler Arms?
Replies
12
Views
3K
bullfrogjohnson
bullfrogjohnson
D
gt4088 a/r question
Replies
4
Views
2K
Bluemax
Bluemax
LarryJewell
exhaust manifolds & up pipes
Replies
13
Views
2K
MAXLLY
MAXLLY
LB7Diesel
Funny Smell!!
Replies
25
Views
3K
LarryJewell
LarryJewell
Buccanoles
T-bar/Alignment question
Replies
1
Views
1K
LB7Diesel
LB7Diesel
D
LBZ and bottom end
Replies
3
Views
2K
JoshH
JoshH
cbacon91
tts lift pump help!!!
Replies
12
Views
2K
SIKDMAX
SIKDMAX
jdlover1
Bad Vibrations
Replies
12
Views
5K
jdlover1
jdlover1
D
Really Dumb Question
Replies
4
Views
1K
Durbin
D
Bluemax
Differences between LB7 and LLY bottom end?
Replies
28
Views
15K
Trippin
Trippin
SIKDMAX
Differential fluid: Mobil 1 products....
Replies
4
Views
2K
LBZ
LBZ
bullfrogjohnson
cognito brace instructions?
Replies
3
Views
1K
fordt
fordt
camcojb
at what point does the stock LMM fuel pump need help?
Replies
24
Views
8K
sweetdiesel
sweetdiesel
serpa4
Diamaon down pipe
Replies
10
Views
2K
The Neens
The Neens
JOHNBOY
Rods
Replies
10
Views
2K
bullfrogjohnson
bullfrogjohnson
LBZ
Orfice Size Question.
Replies
3
Views
1K
LarryJewell
LarryJewell
MaxFarmer
5,700 miles after my rebuild, I think I have a leak....
Replies
13
Views
2K
MAXLLY
MAXLLY
dieselson
overheating
Replies
8
Views
2K
sweetdiesel
sweetdiesel
dracing70
Tune library down. Need operating systems.
Replies
6
Views
1K
sweetdiesel
sweetdiesel
serpa4
Long term storage issues?
Replies
9
Views
3K
dynarex
D
Diesel Pilot
Water pump spin-off from other thread
Replies
26
Views
3K
SIKDMAX
SIKDMAX
dracing70
pcv valve problem is my truck ok????????????
Replies
9
Views
7K
LarryJewell
LarryJewell
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