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
J_Stone06
Engine hours reset??
Replies
11
Views
2K
J_Stone06
J_Stone06
Michigan_LMM
2020 Federal vs. California emissions
Replies
8
Views
1K
Chevy1925
Chevy1925
B
2015 LML CP4 questions
Replies
2
Views
1K
diesel vein
D
M.A.M.
CP4 diagnose P228C P228B
Replies
16
Views
6K
M.A.M.
M.A.M.
D
LML cp3 conversion troubles
Replies
13
Views
5K
gmac32
G
D
Turbo Underboost
Replies
3
Views
549
ikeG
ikeG
D
Rail pressure / loss of prime
Replies
9
Views
861
Bdsankey
Bdsankey
R
What turbo to run on a stock 05
Replies
4
Views
862
Bdsankey
Bdsankey
S
LBZ Nightmare
Replies
11
Views
1K
Sims
S
GcmBoy217
Meet my 2002 Silverado Crew Cab LB7
Replies
6
Views
450
slowlml
slowlml
S
LML won’t start after EZ-LYNK install
Replies
0
Views
624
Sam Rush
S
motoking_1990
LMM: Max rail pressure issue after headgaskets.
Replies
9
Views
590
coker6365
coker6365
D
Help with 03 duramax CA emissions glow plug/controller issue ☆ problem solved☆
Replies
10
Views
3K
Dirtymaxx88
D
N2BRK
Changed hydroboost unit
Replies
10
Views
400
N2BRK
N2BRK
mopar3
Injectors
Replies
35
Views
2K
mopar3
mopar3
nate.mchugh1986
losing coolant, no leaks or white smoke
Replies
7
Views
1K
dndj
dndj
MHouse
Injector #2, #5, #6, & #7 Issues
Replies
1
Views
3K
2004LB7
2004LB7
S
The dummy
Replies
15
Views
712
dndj
dndj
Psini
Borg Warner S400SX4
Replies
3
Views
418
JoshH
JoshH
C
Weak CP3
Replies
10
Views
1K
dndj
dndj
I
2 cycle oil for a fuel additive?
Replies
11
Views
2K
2004LB7
2004LB7
D
Diesel fueling
Replies
3
Views
424
2004LB7
2004LB7
J
Rear Diff Fluid Change
Replies
23
Views
2K
Jake707
J
JDPlowboy
Coolant bypass/heater hose
Replies
2
Views
563
JDPlowboy
JDPlowboy
Old_School_Admirer
something's wrong with engine
Replies
13
Views
841
TheBac
TheBac
BoostnLLY
Installing connecting rods with motor in truck?
Replies
6
Views
1K
BoostnLLY
BoostnLLY
monster50iii
Considering switching from .91 hoising to 1.0?
Replies
12
Views
813
rcr1978
rcr1978
R
2012 gmc lml overheating
Replies
5
Views
749
Rudykp97
R
AthenaLMM
Bad timing for electrical gremlins...
Replies
9
Views
1K
AthenaLMM
AthenaLMM
L
66 fuel pressure pump leaking
Replies
11
Views
470
Lovsey
L
H
Emission Light
Replies
5
Views
326
gmduramax
gmduramax
In_garage
Free Diesel Virtual Trade Show and Seminar Presentations 8/27-28, 2020
Replies
0
Views
224
In_garage
In_garage
fl0w3n
HVAC system stuck on heater
Replies
20
Views
1K
fl0w3n
fl0w3n
L
LMM no start after head gaskets
Replies
5
Views
722
2004LB7
2004LB7
A
LB7 pump into a LBZ yes no typo
Replies
4
Views
506
Aebarela17
A
K
lmm po301 code
Replies
1
Views
649
Ron Nielson
R
Jfree
LML-0087&CHANGE FUEL FILTER MESSAGE
Replies
2
Views
514
gmac32
G
BoostnLLY
Need part number for coolant tube - picture inside
Replies
4
Views
387
BoostnLLY
BoostnLLY
J
Lb7 poor throttle response, no codes, dash cluster acting up
Replies
4
Views
514
Jacob gibson
J
N2BRK
Electrical problem
Replies
13
Views
675
ShopSpecialties
ShopSpecialties
Jim64
LML Serpentine Belt
Replies
3
Views
984
Tool958
T
Budneeds2beers
Air locker....
Replies
9
Views
511
Budneeds2beers
Budneeds2beers
D
Rolling Coal, P0087 Code, Odd Power Loss Situation, HELP!
Replies
5
Views
638
DPC
DPC
MAXX IT OUT
Injector Balance rates effected by low compression???
Replies
5
Views
725
zakkb787
zakkb787
farmtrucklb7
Twin turbo top kick?
Replies
1
Views
315
Bdsankey
Bdsankey
garrettlbz
LBZ: Perfect turbo for 100% injectors LBZ
Replies
46
Views
6K
56taskforce
56taskforce
B
Turbo Questions for New Build
Replies
0
Views
272
BigTexas68
B
DuramaxRamRod
L5P Drop In Turbos
Replies
26
Views
3K
DuramaxRamRod
DuramaxRamRod
H
Surging when off the throttle?
Replies
11
Views
4K
ChrisPerry
ChrisPerry
M
NO CRANK NO START
Replies
3
Views
555
DAVe3283
DAVe3283
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