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
G
Fuel Injector Limit for cast oval bowl pistons???

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
PureHybrid
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
A
Flo Pro vs. MBRP
Replies
16
Views
10K
AZlml
AZlml
bigedlittle
LLY: LLY Got Hot!!!!!
Replies
19
Views
2K
Burn Down
Burn Down
MaxFarmer
I think I have Theft lock problems
Replies
4
Views
1K
MaxFarmer
MaxFarmer
S
New guy with problem
Replies
2
Views
868
JoshH
JoshH
snowman22
LML Cracked Front Diff..Fixable?
Replies
11
Views
2K
Dozerboy
Dozerboy
Punkin05
Possible ECM failure
Replies
2
Views
980
Punkin05
Punkin05
davig
Pvc?
Replies
9
Views
2K
Chevy1925
Chevy1925
TheBac
LB7: The Rebuild, Ch.2 -- Building slowly
Replies
245
Views
36K
TheBac
TheBac
mopar440cu
LML upgrade suggestions
Replies
10
Views
2K
06gmc
06gmc
kubitza123
What’s a long block LB7 worth including good injectors and CP3?
Replies
3
Views
1K
kubitza123
kubitza123
R
Manual control engine fan
Replies
5
Views
1K
THEFERMANATOR
THEFERMANATOR
N
LB7 injector help
Replies
3
Views
896
Brent@LDS
Brent@LDS
KRODMAX/KS
Cast or log RDL headers and up-pipes
Replies
13
Views
8K
KRODMAX/KS
KRODMAX/KS
O
P0193 after injector replacement
Replies
10
Views
2K
OnTheFritz
O
RobsDmax
Largest Injector On Single 12MM Pump
Replies
20
Views
4K
onebaddmaxxx
O
C
LMM: rod bolts and main cap bolts.
Replies
2
Views
929
CRAWLEN
C
Gutruk
LMM Injector Source from Australia ?
Replies
4
Views
1K
CRAWLEN
C
C
LMM: Super damper install, socal af cam questions
Replies
7
Views
2K
CRAWLEN
C
diesel53
Up pipe crack?
Replies
3
Views
1K
06gmc
06gmc
firefighter13
Where’d you mount your sump on an LML?
Replies
9
Views
9K
Columbus450
Columbus450
Big Chris
LMM: Service 4wd and Co 396 code?
Replies
2
Views
2K
Big Chris
Big Chris
stibuilder
AirDog fuel line parts?
Replies
11
Views
5K
gmduramax
gmduramax
psyco66
Fuel rail remove
Replies
13
Views
13K
fortytilfive
F
T
2008 Duramax fuel problem code p0087
Replies
6
Views
3K
cdbright
cdbright
WVRigrat05
Knock sound in intake
Replies
19
Views
3K
WVRigrat05
WVRigrat05
JoshH
Shop Truck down!
Replies
16
Views
3K
coker6365
coker6365
M
Air flow upgrade
Replies
0
Views
1K
mamumtsllc
M
Troysalm71
369 sxe
Replies
28
Views
6K
07Duramaxx
07Duramaxx
RPierson51
LB7: #1 injector shorted
Replies
94
Views
22K
2004LB7
2004LB7
LBZ
LML LB7 Front Pipe on an LML?
Replies
9
Views
2K
LBZ
LBZ
D
L5P tapping/knocking noise when coasting???
Replies
64
Views
35K
Hambone
Hambone
L
Loud knock maybe fuel knock
Replies
19
Views
3K
Lmmoore85
L
c5fourj
Fuel hose
Replies
6
Views
735
OregonDMAX
OregonDMAX
C
2003 lb7 no start
Replies
7
Views
2K
Robby Avery
Robby Avery
L
lly injector problems
Replies
7
Views
1K
Brent@LDS
Brent@LDS
A
GMC 2500hd duramax fuel issue
Replies
4
Views
1K
Brent@LDS
Brent@LDS
Bustedknuckles
Ball bearing turbos?
Replies
14
Views
3K
Ne-max
Ne-max
Ne-max
Industrial Injection Heads
Replies
3
Views
874
rcr1978
rcr1978
RobsDmax
LB7: LLY Short Block Into 2001 Wiring
Replies
2
Views
948
RobsDmax
RobsDmax
S
P0087 at no load after warm
Replies
7
Views
2K
WVRigrat05
WVRigrat05
brcinfay
2005 C5500 LLY help
Replies
2
Views
843
WVRigrat05
WVRigrat05
D
LB7: Lb7 injector stuck, bent push rod maybe more?
Replies
24
Views
4K
Dukchunter
D
N
09 Lmm recent upgrades and now white smoke.
Replies
19
Views
3K
NC-smokinlmm
NC-smokinlmm
A
s400 vibration
Replies
10
Views
2K
Androes07
A
T
LLY: Turbo Spins Up to High RPM
Replies
5
Views
2K
Robby Avery
Robby Avery
2
LML Dirty oil 300-400 miles after dealer service
Replies
28
Views
4K
Robby Avery
Robby Avery
duratothemax
20w-50 oil
Replies
152
Views
34K
Chevy1925
Chevy1925
L
Rust inhibitor
Replies
5
Views
1K
gassux
G
c5fourj
Turbo talk.... Again
Replies
11
Views
1K
c5fourj
c5fourj
dk2429
P0299 code turbo vane solenoid?
Replies
30
Views
8K
dk2429
dk2429
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