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
T
P0652 & P2228
Replies
2
Views
1K
taylorbok
T
T
ECM fried
Replies
2
Views
699
TonyLBZ
T
R
2015 or 2015.5? Owners, help me.
Replies
7
Views
2K
M.A.M.
M.A.M.
monster50iii
Trying to wrap my head around boost decreasing as Rpms increase?
Replies
10
Views
993
monster50iii
monster50iii
Lb7x2
Lacking Power 2001 LB7
Replies
16
Views
956
bigboybuilder
bigboybuilder
A
Longer than usual cranking time
Replies
3
Views
549
matthew86
M
J
Questions regarding SAC injectors
Replies
27
Views
5K
gmduramax
gmduramax
ShopSpecialties
Thermostat Bypass Pipe Hose
Replies
8
Views
1K
Bdsankey
Bdsankey
V
Whistling noise around 1000 rpm
Replies
10
Views
1K
J_Stone06
J_Stone06
Sethmiller
Exhaust/Boost Leak?
Replies
4
Views
2K
J_Stone06
J_Stone06
C
Fuel pressure regulator issue?
Replies
4
Views
554
05LLYDMAX
05LLYDMAX
monster50iii
Boost leak test unearthed exhaust valve leak?
Replies
5
Views
952
monster50iii
monster50iii
Sethmiller
High IATM Temps
Replies
4
Views
1K
Bdsankey
Bdsankey
Bdsankey
Borg V2 Race Cover VS Bullseye/Stainless Style Race Cover
Replies
0
Views
295
Bdsankey
Bdsankey
M
Reduced Engine Power duramax
Replies
4
Views
2K
2004LB7
2004LB7
Bigturba
2005 lly crank no start after sitting a month
Replies
20
Views
2K
Bigturba
Bigturba
O
Head Gaskets and Upgrades
Replies
3
Views
329
Dozerboy
Dozerboy
LBZ
What’s in the cp3.......
Replies
9
Views
1K
JoshH
JoshH
D
Fuel pressure code at idle
Replies
4
Views
389
DirtyDusty
D
T
transmission coolant line keep popping lose
Replies
2
Views
345
TheBac
TheBac
M
Driving/shifting questions
Replies
1
Views
451
Chevy1925
Chevy1925
W
Bad Injectors?
Replies
13
Views
1K
gmac32
G
monster50iii
Trying to find o ring part numbers - coolant leak
Replies
4
Views
382
monster50iii
monster50iii
V
VGT Remote Oil Feed
Replies
4
Views
404
valleyduramax
V
G
Weak A/C
Replies
8
Views
818
Chevy1925
Chevy1925
M
2007 Duramax fuel lines
Replies
3
Views
780
mr450kawman
M
O
p1093
Replies
6
Views
841
Ron Nielson
R
Sethmiller
P0107 Code and No Boost
Replies
3
Views
293
TheBac
TheBac
Duramax52513
Injector line leaking?
Replies
9
Views
4K
lexa
lexa
T
Changing radiator hoses
Replies
6
Views
559
DAVe3283
DAVe3283
danzick
1.15 ar for towing
Replies
32
Views
1K
Chevy1925
Chevy1925
0
New to Me '03....with some issues.
Replies
11
Views
465
03jkjk
0
Mogman
Obnoxious smell
Replies
7
Views
697
Mogman
Mogman
Lb7joezay
Ecm frp signal volt
Replies
4
Views
535
Lb7joezay
Lb7joezay
messejme
Race Exhaust Manifold and Up Pipes
Replies
5
Views
472
MarkBroviak
MarkBroviak
OregonDMAX
A/C controls inop
Replies
30
Views
2K
OregonDMAX
OregonDMAX
0
New injectors
Replies
1
Views
616
Bdsankey
Bdsankey
R
6.6 LML Duramax diesel
Replies
3
Views
732
S Phinney
S
D
EGR delete coolant plug
Replies
1
Views
1K
scramHD
scramHD
malibu795
wire schematics for TCM, BCM, ECM, etc
Replies
25
Views
87K
Cmcrice89
C
monster50iii
T51R mod
Replies
1
Views
1K
ryanm91
R
D
Replaced DEF Heater - Reductant System Malfunction Level 5
Replies
7
Views
3K
DPC
DPC
F
Crankshaft
Replies
1
Views
373
Bdsankey
Bdsankey
snowman22
LML "Service Exhaust Fluid System" No DTC's after DPF Re-Install
Replies
6
Views
5K
snowman22
snowman22
O
S369/S488
Replies
11
Views
2K
ouellet5
O
fl0w3n
Considering DD'ing 350k mile LB7?
Replies
292
Views
25K
fl0w3n
fl0w3n
D
Lb7 Injectors
Replies
3
Views
480
Brent@LDS
Brent@LDS
Longrange65
Zero Rail Pressure when cranking
Replies
17
Views
3K
2004LB7
2004LB7
Dozerboy
Lift pump PSI better after doing S&S100overs
Replies
1
Views
239
Ne-max
Ne-max
bigmackmiller
LB7: Dampener
Replies
6
Views
305
Dozerboy
Dozerboy
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