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
TheBac
LB7 vs LLY injector flow rates/amounts
Replies
2
Views
2K
Redbowties88
Redbowties88
speedmetal6.6
LBZ: where to mount a lift pump?
Replies
2
Views
2K
ripmf666
ripmf666
Jared Duramax
Napa Water Pumps
Replies
7
Views
4K
ripmf666
ripmf666
Chevy1925
Confused on where to start lookin/testing
Replies
10
Views
1K
Chevy1925
Chevy1925
wes06dmax
Pressure Test The System
Replies
13
Views
5K
x MadMAX DIESEL
x MadMAX DIESEL
Tank222
People with lmm blow off vavles.
Replies
12
Views
6K
Tank222
Tank222
REDHOSS02
LMM: Heads!
Replies
5
Views
2K
REDHOSS02
REDHOSS02
Redbowties88
LLY/LBZ MAF differences
Replies
39
Views
16K
Redbowties88
Redbowties88
bullfrogjohnson
Swapping Valve Springs In Truck
Replies
18
Views
2K
madmatt
madmatt
SHOTZY
Required rail pressure??
Replies
4
Views
819
SHOTZY
SHOTZY
trailshredder
LB7 Tear Down shopping list
Replies
3
Views
2K
trailshredder
trailshredder
MAXLLY
Info: Oil Pump vibrations???
Replies
12
Views
2K
MAXLLY
MAXLLY
C
LBZ: Reluctor rings
Replies
3
Views
2K
jpowel29
jpowel29
8
AirDog Owners
Replies
12
Views
3K
Redbone
Redbone
JD Dave
Glow Plug Delete Pic
Replies
20
Views
5K
JoshH
JoshH
paint94979
S400 line kit
Replies
19
Views
3K
paint94979
paint94979
Dieselmax
Turbo kit for possible engine build...
Replies
8
Views
2K
Dieselmax
Dieselmax
mudygmc
cleaning solvent?
Replies
3
Views
2K
mudygmc
mudygmc
C
Cleaning fuel rails and lines
Replies
5
Views
1K
sweetdiesel
sweetdiesel
M
LMM: Boot gos boom
Replies
9
Views
3K
Iceman56
Iceman56
C
Injector return lines
Replies
2
Views
1K
Cougar281
C
JMK777
Exhaust housings
Replies
12
Views
2K
JMK777
JMK777
wdino73
Any Injector Tips
Replies
4
Views
843
wdino73
wdino73
TrentNell
New Sticks Finally arived !!!
Replies
20
Views
3K
juddski88
juddski88
S
Removing Stock turbo off LLY
Replies
6
Views
2K
Otts
Otts
REDHOSS02
LB7: cp3 rebuild!
Replies
1
Views
4K
madmatt
madmatt
trailshredder
Head Gaskets or Injector Cups?
Replies
10
Views
4K
REDHOSS02
REDHOSS02
SHOTZY
Cheetah owners
Replies
3
Views
977
bml2200
B
jdlover1
LLY: Wheres this connector plug in?
Replies
2
Views
1K
jdlover1
jdlover1
McRat
Crankshaft ID: LBZ vs. LLY
Replies
11
Views
6K
ripmf666
ripmf666
Car RamRod
LLY: Could it be something else?
Replies
20
Views
3K
TheBac
TheBac
duratothemax
VVT inlet v-band
Replies
3
Views
2K
bullfrogjohnson
bullfrogjohnson
skintback
Injector copper washer thickness?
Replies
11
Views
3K
Ben46a
Ben46a
dmaxvaz
Htt 16 cm stainless exhaust hsg?
Replies
17
Views
4K
dmaxvaz
dmaxvaz
T
LB7: part number please
Replies
3
Views
2K
tomc983
T
maine dmax
RDL up-pipes with new manifolds?
Replies
3
Views
1K
seth999
seth999
0
htt ?????
Replies
21
Views
4K
x MadMAX DIESEL
x MadMAX DIESEL
emiller3
Head Gaskets
Replies
1
Views
702
emiller3
emiller3
S
LB7: turbo
Replies
1
Views
1K
hondarider552
hondarider552
M
Help: Saturn Part
Replies
0
Views
957
MadMaxx61
M
C-Power
LB7: Low rail pressure
Replies
15
Views
8K
C-Power
C-Power
JMK777
LB7: Injector tips
Replies
8
Views
2K
Vrabel
Vrabel
JD Dave
Opinions on setting up dual lift pumps.
Replies
20
Views
4K
CurtisEmery
CurtisEmery
C
Changing Pistons & Rods
Replies
4
Views
2K
Cougar281
C
Righteyeblind
Turbonetics turbos
Replies
2
Views
1K
dmaxvaz
dmaxvaz
TheBac
LB7: Engine overhaul kit?
Replies
12
Views
8K
ripmf666
ripmf666
juddski88
Question: how to machine out a compressor cover
Replies
16
Views
3K
juddski88
juddski88
mudygmc
lb7 injector issues?
Replies
0
Views
2K
mudygmc
mudygmc
ktreadwell
FPR on LLY Duramax
Replies
12
Views
4K
ktreadwell
ktreadwell
M
Need opinions!
Replies
13
Views
4K
paint94979
paint94979
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