Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
lexa
Thumping noise coming from intake
  • lexa

LLY New

1.3K
17.3K
Threads
1.3K
Messages
17.3K
1FastBrick
LLY Ficm

LBZ New

1.2K
14.3K
Threads
1.2K
Messages
14.3K
2004LB7
WEIRD SHAKES AT IDLE???

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
Bdsankey
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 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
N
LBZ: what need to install s475
Replies
21
Views
4K
mb1
mb1
juddski88
LBZ injector issue
Replies
16
Views
3K
dmax711
dmax711
T
P2459
Replies
0
Views
2K
Tall1
T
06dmax
glow plug control module?
Replies
7
Views
3K
MACKIN
MACKIN
TXSarge
DP back cut off for CAT?
Replies
4
Views
1K
TXSarge
TXSarge
M
Lbz y bridge
Replies
6
Views
2K
matt78
M
TROJAN366
Strange knock?
Replies
19
Views
2K
TROJAN366
TROJAN366
quinton
Lmm injectors to lly
Replies
22
Views
7K
RPM Motorsports
RPM Motorsports
S
LB7: This really pissed me off
Replies
17
Views
3K
S Phinney
S
Darin13
Breather tube?
Replies
2
Views
1K
blk smoke lb7
blk smoke lb7
Grizzly5531
P0341 and P0374
Replies
22
Views
23K
AubleAK
AubleAK
dieseladdiction23
A/c question
Replies
2
Views
1K
dieseladdiction23
dieseladdiction23
D
Triple turbo choice
Replies
116
Views
11K
adeso
adeso
24vchevy
Cylinder head porting and flow
Replies
24
Views
7K
Kutchey2
K
Kappa9012
LB7: Need help/opinions
Replies
10
Views
1K
Kappa9012
Kappa9012
K
Please help! Lb7 has big problems
Replies
10
Views
2K
kcabbie
K
THduramax
Coolant leaking out if weep hole
Replies
1
Views
2K
Chevy1925
Chevy1925
metron
Coolant filtration system
Replies
6
Views
3K
trashygasman
trashygasman
03badmaxxx
OEM Fender Flairs
Replies
9
Views
800
kivetts04dmax
kivetts04dmax
tgebes
03 Cummins Running Rich
Replies
0
Views
958
tgebes
tgebes
JohnnyWalker22
Help: Coolent Leak
Replies
26
Views
6K
catman3126
catman3126
JHForman
LB7: Fuel sending sensor
Replies
1
Views
841
hondarider552
hondarider552
darkone98
LLY: Limp Mode?
Replies
8
Views
4K
darkone98
darkone98
mytmousemalibu
Info: CP3....Its insides! EXPOSED!!!
Replies
53
Views
9K
nar
nar
bittles313
LBZ: DTC question
Replies
4
Views
1K
bittles313
bittles313
T
Engine just shut off
Replies
4
Views
2K
TonOfDalt
T
Mile_high
Piston damage
Replies
4
Views
2K
Mile_high
Mile_high
The Funk
engine build thread
Replies
20
Views
3K
The Funk
The Funk
NC-smokinlmm
Broken LB7 fuel line...
Replies
16
Views
3K
blk smoke lb7
blk smoke lb7
JHForman
anyone rebuilt their lift pump electric motor?
Replies
13
Views
5K
slipclutchms
slipclutchms
B
more responsive at lower operating temps ?
Replies
12
Views
2K
B1 596
B
K
LB7: Loss of power/fuel milage
Replies
4
Views
2K
kcabbie
K
S
Help: looking for a member (FINGERS)
Replies
5
Views
2K
Fingers
Fingers
RobsDmax
LB7: Is This Signs Of Pump Rub
Replies
3
Views
2K
RobsDmax
RobsDmax
ChevyDieselLLY
Big Triple or Big Twins
Replies
33
Views
6K
dmaxman06
dmaxman06
adeso
oil heater
Replies
7
Views
3K
adeso
adeso
farmtrucklb7
What charger for 2.8 sledpull class
Replies
26
Views
4K
quadracer37
quadracer37
Devon
Question: Pedistal spacer needed for s472?
Replies
9
Views
2K
quadracer37
quadracer37
timlb703
lly no pressure help
Replies
9
Views
2K
S Phinney
S
LWATSON
Difference in heads
Replies
6
Views
5K
LWATSON
LWATSON
Fingers
Oval Chamber Pistons
Replies
5
Views
2K
SmokeShow
SmokeShow
sneezer03dmax
DIY Twin over Stock Question
Replies
19
Views
4K
Dirtymaxx03
Dirtymaxx03
EDP
Gauging interest in adjustable timing keys
Replies
2
Views
1K
EDP
EDP
Devon
LLY: Elevated idle doesn't work?
Replies
15
Views
10K
juddski88
juddski88
M
LLY: please help!
Replies
9
Views
3K
dangfire
dangfire
The Funk
hard block
Replies
14
Views
2K
sweetdiesel
sweetdiesel
T
Will MBRP Cool Dual system fit 05 duramax with 3" lowering shackles installed?
Replies
3
Views
1K
GMC_2002_Dmax
GMC_2002_Dmax
jgt1982
wanna make 650-700hp
Replies
41
Views
17K
RENODMAX
RENODMAX
dieseladdiction23
injector/head gasket job
Replies
9
Views
2K
LWATSON
LWATSON
WisconsinHick1
Question: Aftermarket Intercooler?
Replies
15
Views
2K
christopherglenn
C
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