Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
Bdsankey
Sac 65

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
ikeG
Oil prime
  • ikeG

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
JustinM
One broken head bolt
Replies
8
Views
1K
JustinM
JustinM
silvrmax04
ADII low pressure light
Replies
3
Views
448
silvrmax04
silvrmax04
R
Long shot
Replies
48
Views
7K
Bdsankey
Bdsankey
2004LB7
Cruise control & U0140
Replies
3
Views
401
Chevy1925
Chevy1925
Supermoto68
Magnaflow 5” full system feedback ?
Replies
20
Views
1K
Supermoto68
Supermoto68
02ilduramax
Stainless diesel s485
Replies
3
Views
1K
diesel-max
diesel-max
Dante2795
4wd not engaging but actuator works
Replies
3
Views
671
Mike L.
Mike L.
S
p0400
Replies
0
Views
361
sfcrodabn
S
Sethmiller
Help! MAF problems
Replies
12
Views
999
Sethmiller
Sethmiller
D
Coolant hoses breaking
Replies
5
Views
846
scramHD
scramHD
Dm23
Recommendations for injector install in SoCal?
Replies
15
Views
786
1FastBrick
1FastBrick
D
04 Lb7 won’t start
Replies
18
Views
1K
slowlml
slowlml
sawmilldmax
Knock at low rpm
Replies
2
Views
791
sawmilldmax
sawmilldmax
Mogman
2008 LMM dual alternator idler
Replies
4
Views
2K
2004LB7
2004LB7
Mike L.
Oil Prices
Replies
5
Views
717
Dozerboy
Dozerboy
OleBlackyLBZ
Do I need a Fuel Sump?
Replies
7
Views
410
OleBlackyLBZ
OleBlackyLBZ
S
LML-LML powertrain swap.
Replies
12
Views
1K
Wayne mix
W
P
Over heated to 217 D
Replies
5
Views
594
gmduramax
gmduramax
MasterN8er
2009 Mystery Coolant leak
Replies
11
Views
731
Dozerboy
Dozerboy
K
LB7: Crank no start sometimes
Replies
0
Views
161
Kit
K
G
2016 LML intermittent gauge loss and no crank, no start
Replies
9
Views
2K
036.6turbo
036.6turbo
E
Wipers turn engine off...
Replies
2
Views
295
Ron Nielson
R
slowlml
Lb7 high idle.
Replies
5
Views
487
77cruiser
7
bonomax
LB7: 2001 5 speed allison tcm ground issue. in need of ground wire diagram of body harness
Replies
6
Views
7K
Mike L.
Mike L.
D
2006 3500 express van turbo diesel cooling system
Replies
5
Views
473
Ron Nielson
R
Supermoto68
2009 better MPG
Replies
12
Views
875
Ron Nielson
R
R
lly triples
Replies
5
Views
406
razorryan10
R
J_Stone06
S400 series over 4094 suggestions
Replies
38
Views
4K
J_Stone06
J_Stone06
Jmoney
lb7 turbo intake horn is it worth the money and time on a stock lb7
Replies
16
Views
4K
THEFERMANATOR
THEFERMANATOR
dbaswell
Federal mandated 8 year warranty
Replies
5
Views
1K
THEFERMANATOR
THEFERMANATOR
ikeG
School me on CP3 conversions
Replies
12
Views
2K
Dallas S
D
Mogman
LBZ, LMM MAF??
Replies
6
Views
708
Mogman
Mogman
W
Exergy Fuel Additive
Replies
2
Views
823
Dozerboy
Dozerboy
Mogman
LMM heater hose options??
Replies
9
Views
1K
Mogman
Mogman
Lethal_diesel_lb7
LB7: Turbo reviews?
Replies
12
Views
2K
J_Stone06
J_Stone06
J_Stone06
Leak off WIF sensor
Replies
12
Views
2K
J_Stone06
J_Stone06
Dm23
LML INJECTORS
Replies
25
Views
3K
Josh154
Josh154
B
Any suggestions on upgrade or replacement parts while having motor dissasembled?
Replies
3
Views
481
Josh154
Josh154
R
Fuel in crankcase, lots of fuel!
Replies
13
Views
2K
LB7_01DURAMAX
LB7_01DURAMAX
Dozerboy
Water pump to block oring info
Replies
5
Views
362
Dozerboy
Dozerboy
V
LLY: flywheel housing bolt size?
Replies
6
Views
2K
DAVe3283
DAVe3283
V
2016 LML No start
Replies
3
Views
710
zakkb787
zakkb787
V
What's your favorite mod?
Replies
23
Views
2K
LB7_01DURAMAX
LB7_01DURAMAX
M
Oil bypass question
Replies
6
Views
786
Dozerboy
Dozerboy
Harbin_22
Mobil M1-303A Filter Differences
Replies
3
Views
3K
BoiseRob
BoiseRob
MAXX IT OUT
Air filters for High CFM air flow?
Replies
14
Views
1K
MAXX IT OUT
MAXX IT OUT
Harbin_22
LMM Mega Fuse Wiring Layout
Replies
10
Views
6K
Harbin_22
Harbin_22
Mogman
Alternator lead?
Replies
7
Views
2K
Ron Nielson
R
D
LML compression test
Replies
4
Views
2K
Dustin_360
D
B
Anyone swapped a L5P into a 2011 LML frame
Replies
13
Views
1K
Bstewardtx
B
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