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
Greenmachine07turd
LMM: Trucks killing me any help is appreciated
Replies
47
Views
3K
Greenmachine07turd
Greenmachine07turd
1
Bypass dual stage system
Replies
0
Views
711
1lunger
1
davidlove47
LB7: Unknown Driver, Service 4wd, Lost all gauges except RPM and MPH
Replies
2
Views
513
Awenta
Awenta
MasterN8er
LMM: Mystery Coolant leak
Replies
6
Views
1K
M.A.M.
M.A.M.
0
Crank pin and reluctor wheel question
Replies
3
Views
984
08lmm72mm
0
Duramax racer 8
Plastic Lbz water pump part#
Replies
2
Views
667
JoshH
JoshH
A
LBZ: LBZ vs LMM Cooling Stack
Replies
0
Views
586
AtlM5
A
Bdsankey
Question: Triple Turbo Reccomendations
Replies
19
Views
2K
S Phinney
S
Mogman
Upgrade to electric fan clutch?
Replies
7
Views
2K
TheBac
TheBac
Bdsankey
Allison 5sp: 3.42 vs 3.73
Replies
11
Views
2K
buick455
B
C
Major LB7 problems -- need help
Replies
53
Views
4K
Citidiot90
C
DuramxMan
LB7 Pushrods
Replies
10
Views
1K
ikeG
ikeG
T
01 3500 security light issue
Replies
13
Views
956
TheBac
TheBac
Dozerboy
Would bad head gaskets and etc affect injestor balance rates?
Replies
40
Views
3K
Dozerboy
Dozerboy
Ridin'GMC
Intercooler mount/bushing
Replies
3
Views
1K
juddski88
juddski88
thunder550
Injector hold down bolts stretch?
Replies
51
Views
13K
Citidiot90
C
0
LB7: Air Intakes
Replies
23
Views
2K
Chevy1925
Chevy1925
H
9th Injector Delete 2016 LML
Replies
1
Views
2K
coker6365
coker6365
c5fourj
Bad turbo?
Replies
7
Views
476
c5fourj
c5fourj
dieselman4224
Turbo Rebuild Parts
Replies
2
Views
367
dieselman4224
dieselman4224
D
LMM sluggish/smokey once hot at 2000rpm
Replies
37
Views
3K
juddski88
juddski88
Justmikedmax
LB7: Air coming from return line cp3
Replies
6
Views
2K
Redkliney
R
R
Truck won't start unless primed
Replies
9
Views
1K
Redkliney
R
MasterN8er
LMM: Oil Pressure help
Replies
4
Views
756
Ron Nielson
R
L
Cooling question - a little different
Replies
9
Views
544
Livermoron
L
02ilduramax
LB7: Bigger valves?
Replies
3
Views
449
duramaxzak
duramaxzak
J
Help with Noise at Idle
Replies
19
Views
1K
Jake707
J
fish
DEF Usage
Replies
3
Views
1K
juddski88
juddski88
DieselDemon18
Aftermarket CAC opinions?
Replies
6
Views
534
S Phinney
S
J
Lift Pump and Sump Install Issues
Replies
29
Views
3K
1FastBrick
1FastBrick
DuramaximusPrime
LLY: Questions I have been unable to answer.
Replies
12
Views
1K
Dozerboy
Dozerboy
T
No start condition -- need help
Replies
9
Views
528
gmac32
G
B
wagler mechanical belt tensioner
Replies
37
Views
4K
stealthy_max
stealthy_max
ElReeso
Ticking noise when accelerating
Replies
16
Views
8K
Solo Ascent
S
B
LMM: P0047 but wiring checks out.
Replies
3
Views
2K
badmatt
B
gmasko
LML Service Trailer Brake
Replies
2
Views
1K
NC-smokinlmm
NC-smokinlmm
DPC
LB7: LB7 fuel in coolant, how?
Replies
9
Views
1K
blk smoke lb7
blk smoke lb7
W
LBZ: 4WD Conversion
Replies
97
Views
50K
blk smoke lb7
blk smoke lb7
tenderdurden
Advice for LLY Head Gasket replacement
Replies
18
Views
6K
Chevy1925
Chevy1925
quinton
LLY: ABS light on
Replies
8
Views
949
quinton
quinton
Yngdmax92
Core support
Replies
6
Views
717
blk smoke lb7
blk smoke lb7
Texas Chevy
Bad defuel
Replies
7
Views
1K
Texas Chevy
Texas Chevy
M
Metal ringing noise from oil fill tube
Replies
5
Views
1K
ikeG
ikeG
WolfLMM
Which 5
Replies
12
Views
1K
CDmax16
CDmax16
R
  • Poll
"Service four wheel drive"
Replies
2
Views
784
Redneck0816
R
D
LLY: Light smoke after drive and idling
Replies
8
Views
1K
Burn Down
Burn Down
messejme
Slight leak at fuel rail fitting
Replies
0
Views
368
messejme
messejme
thunder550
LLY: Does this deck surface look ok?
Replies
12
Views
3K
Chevy1925
Chevy1925
Swisstyphoon
P0540 after full EGR delete
Replies
12
Views
7K
GMC_2002_Dmax
GMC_2002_Dmax
B
Crank replacement?
Replies
25
Views
15K
Dozerboy
Dozerboy
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