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
juddski88
Valve seals???
Replies
6
Views
3K
ripmf666
ripmf666
knagel
no heat with snow plow
Replies
7
Views
2K
knagel
knagel
McRat
LBZ: LBZ compression tester
Replies
20
Views
7K
SIKDMAX
SIKDMAX
RENODMAX
Bolt broke off for my oil feed on my GT40
Replies
29
Views
4K
RENODMAX
RENODMAX
DIRTYMAX1
garrett gt 3794
Replies
13
Views
11K
jonathancasey19
jonathancasey19
D
d-max deck hight
Replies
9
Views
1K
Diesel power
D
bobxr50
Duramax pedestals t3 t4
Replies
25
Views
7K
Turbo Buick 6
Turbo Buick 6
slowlmm
Aftermarket oil pumps
Replies
12
Views
3K
Dzlnut
Dzlnut
K
LLY head gaskets
Replies
0
Views
2K
kmax05
K
D
My LLY's 2nd T-stat
Replies
4
Views
1K
Killerbee
Killerbee
McRat
Bonneville Engine:
Replies
88
Views
9K
keith2500hd
K
aggar
LBZ: P0128 code
Replies
2
Views
7K
aggar
aggar
bronson
I thought it would have been louder
Replies
50
Views
5K
ruffmanatv
ruffmanatv
G
Help: Seat heat quit working
Replies
0
Views
830
ghlacy
G
6speedduramax
From A5K back to Stock LB7 turbo question
Replies
2
Views
1K
Rhall
Rhall
T
banks bighead
Replies
5
Views
2K
sweetdiesel
sweetdiesel
Ben46a
HTT Promax "McRat" exhaust housing size.
Replies
1
Views
2K
Gmclbz
Gmclbz
serpa4
Will you see a boost increase with banks?
Replies
17
Views
2K
Killerbee
Killerbee
tobyk321
Question: clock spring
Replies
13
Views
2K
tobyk321
tobyk321
RENODMAX
MF'ing LB7 downpipe bolts
Replies
38
Views
10K
RENODMAX
RENODMAX
JS2TZU
LLY: MBRP exhaust system
Replies
4
Views
2K
Turbo Buick 6
Turbo Buick 6
Oilfield_Mafia
Modify a VGT?
Replies
19
Views
4K
Brayden
Brayden
custom8726
3rd Boost tube in three months??
Replies
13
Views
3K
Killerbee
Killerbee
SmokeShow
LB7: Water Pump Leak??
Replies
10
Views
15K
rapidfiredura
R
WSUcowboy
911 Help!!!
Replies
14
Views
3K
WolfLMM
WolfLMM
D
LLY Magnaflow & Downpipe Question
Replies
8
Views
3K
Alligator
A
skintback
Question: Rear end ?
Replies
18
Views
2K
redneck6123
R
Ben46a
LLY: Having fueling issues on LLY
Replies
2
Views
1K
Ben46a
Ben46a
Turbo Buick 6
Stock turbo dimensions
Replies
9
Views
2K
ripmf666
ripmf666
gmduramax
Ultra low sulfer diesel and pistons
Replies
5
Views
1K
redneckbuckeye
R
LTS Max
How far can the Dmax block go?
Replies
19
Views
3K
duramax3388
duramax3388
LB7Diesel
LBZ: Fass lift pump now probs.
Replies
12
Views
4K
Diesel Dragon
D
Rhall
Block Heater/Antifreeze heater
Replies
8
Views
5K
Bluemax
Bluemax
J
how much to build your motor
Replies
136
Views
11K
paint94979
paint94979
slowlmm
Help: ECM problems
Replies
10
Views
3K
slowlmm
slowlmm
Josh2002cc
LB7: Dealer says injectors not covered, pdf of tech 2 included.
Replies
29
Views
4K
RKTMech
RKTMech
ZeroGravity58
Question: how many are running just one battery?
Replies
11
Views
2K
ZeroGravity58
ZeroGravity58
slowlmm
Help: So I was driveing down the road when !
Replies
10
Views
1K
slowlmm
slowlmm
Lonnie
Using LLY bridge without EGR components
Replies
17
Views
3K
Turbo Buick 6
Turbo Buick 6
LB7Diesel
LB7: Injector issue or not?
Replies
6
Views
2K
MACKIN
MACKIN
RENODMAX
I NEED FED LB7 PASS side up-pipe
Replies
9
Views
2K
RENODMAX
RENODMAX
LarryJewell
Low sulfer fuel and lubricity additives
Replies
29
Views
6K
03demax
03demax
JS2TZU
transmission fluid capacity
Replies
16
Views
46K
Dirtbikindad393
D
juddski88
Knife-edging the crank??
Replies
20
Views
3K
Turbo Buick 6
Turbo Buick 6
DieselDaze
2 Stroke Additive in a Dmax?
Replies
24
Views
5K
Fat_Robi
Fat_Robi
Lonnie
LLY frontpipe options
Replies
13
Views
2K
LBZ
LBZ
TYREBOYZ_DEMAXIN
Head gasket and head stud ?'s
Replies
30
Views
2K
TYREBOYZ_DEMAXIN
TYREBOYZ_DEMAXIN
6speedduramax
more twin turbo questions
Replies
59
Views
9K
wingnut96
wingnut96
slowlmm
Info: Oil coolers ?
Replies
36
Views
3K
MAXLLY
MAXLLY
SteveFord
Intercooler from Kodiak
Replies
3
Views
1K
Killerbee
Killerbee
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