Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
Chevy1925
LB7 no start 250psi fuel

LLY New

1.3K
17.3K
Threads
1.3K
Messages
17.3K
kidturbo
LLY Ficm

LBZ New

1.2K
14.3K
Threads
1.2K
Messages
14.3K
1FastBrick
Truck wont rev much past 2k rpm no codes

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

652
8.4K
Threads
652
Messages
8.4K
F
Got a couple of cylinder contribution codes

L5P New

124
3.8K
Threads
124
Messages
3.8K
2004LB7
Oil prime

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
bigmackmiller
PCV reroute to exhaust
Replies
9
Views
3K
Bdsankey
Bdsankey
R
Newbie
Replies
9
Views
1K
slowlml
slowlml
N2BRK
Silicone heater hoses
Replies
25
Views
2K
2004LB7
2004LB7
K
EGT Probe's
Replies
3
Views
798
TheBac
TheBac
Chevy1925
Adding tension to your dayco tensioner
Replies
27
Views
4K
duramaxzak
duramaxzak
J
2006 GMC Duramax any truth to the stories
Replies
7
Views
2K
Jncrawford18
J
Blaine
LML Air Dog - Cab & Chasis
Replies
2
Views
893
Chad006
Chad006
Dante2795
Very Low oil pressure(4psi)
Replies
3
Views
3K
Ron Nielson
R
J
LLY: 2006 GMC 3500 LLY idle jumping
Replies
11
Views
1K
Jncrawford18
J
C
Glow Plug Deletion Question
Replies
5
Views
868
CamaroDMax
C
F
2016 LML Burned to the ground
Replies
12
Views
2K
Pure Diesel
Pure Diesel
L
2004 broken glow plug
Replies
6
Views
2K
ldiorio
L
zakkb787
LBZ cold side boot size at intercooler
Replies
2
Views
1K
zakkb787
zakkb787
frankenstien
LLY: 6 codes during cold weather, few not sure about
Replies
18
Views
5K
frankenstien
frankenstien
Brent@LDS
SAC00 Stock LB7 Injectors NOW AVAILABLE!!
Replies
2
Views
1K
Brent@LDS
Brent@LDS
2
LMM: Hsp dhd parts
Replies
2
Views
2K
TheBac
TheBac
Dm23
Factory fuel filter with compounds??
Replies
5
Views
860
FROGMAN524
FROGMAN524
ikeG
Allison 5sp: 2007 LLY prime issues
Replies
21
Views
3K
ikeG
ikeG
H
LLY swap fuel knock. Need help
Replies
7
Views
1K
hhh217
H
Bdsankey
02 LB7 CCSB HVAC Control Panel Issues
Replies
23
Views
2K
Hambone
Hambone
graystonelbz
Sump or Not
Replies
69
Views
13K
graystonelbz
graystonelbz
M
LLY Injector Harness Repair Kit
Replies
3
Views
1K
Brent@LDS
Brent@LDS
I
Turbo not lighting in 1ST GEAR ONLY after new turbo install
Replies
6
Views
1K
2004LB7
2004LB7
L
2012 3500 turbo failure at 13,000 miles
Replies
8
Views
1K
ikeG
ikeG
C
LMM: PCV Valve Question
Replies
5
Views
2K
Ron Nielson
R
C
CP4 Failure... WTH
Replies
31
Views
5K
Dozerboy
Dozerboy
02ilduramax
LB7: lb7 heads
Replies
7
Views
1K
ironmax
ironmax
MolonLabe420
LB7: Think Im in Limp Mode
Replies
20
Views
3K
MolonLabe420
MolonLabe420
Chevy1925
Lets talk heads
Replies
47
Views
9K
gmduramax
gmduramax
ZeroGravity58
LMM: Wiring diagrams
Replies
5
Views
4K
ZeroGravity58
ZeroGravity58
Slammed2007Lbz
Correct way to install uppipe gaskets?
Replies
5
Views
5K
BlueLB7
B
S
480 over stock lb7
Replies
3
Views
749
SFLB7
S
02ilduramax
twins
Replies
16
Views
2K
02ilduramax
02ilduramax
Micheal Tomac
LML LML short block potential
Replies
5
Views
1K
Chevy1925
Chevy1925
P
Smoke from engine bay common issue?
Replies
7
Views
3K
036.6turbo
036.6turbo
M
Heat shield question
Replies
4
Views
872
mac2881994
M
Janimal444
LML CP4 Problems
Replies
151
Views
72K
blackLTZ
blackLTZ
briencolgan
LB7: Home heating oil gaff
Replies
9
Views
2K
gmduramax
gmduramax
R
Dumb question probably but why does the duramax not have individual intake runners?
Replies
0
Views
482
rickcdewitt
R
C
Lbz injector problems
Replies
9
Views
2K
cencal_dmax
C
DURAMXD
Question: Cowl Clearance with a Twisted Pedestal and Large S400
Replies
7
Views
667
Ne-max
Ne-max
Micheal Tomac
Which billet crank?
Replies
4
Views
573
stealthy_max
stealthy_max
Diezel
LMM: U Joints
Replies
6
Views
2K
Harbin_22
Harbin_22
S
Dual cp3 blowing out front seal!
Replies
3
Views
647
Robby Avery
Robby Avery
melms23
LML Starter grind
Replies
2
Views
984
melms23
melms23
T
Lly needs help skip at idle
Replies
0
Views
665
Torxdrive
T
B
LML battery and mega fuse issue
Replies
2
Views
1K
BigbrettLML
B
frankenstien
LLY: Questionable turbo play??
Replies
14
Views
2K
frankenstien
frankenstien
2
Lb7 quick start?
Replies
20
Views
8K
Awenta
Awenta
darkone98
LLY Rail pressure issues
Replies
6
Views
1K
darkone98
darkone98
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