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
Chevy1925
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
clrussell
Im keeping this one
Replies
267
Views
38K
clrussell
clrussell
036.6turbo
LML This sucks
Replies
9
Views
2K
CaptPhil
CaptPhil
N2BRK
AC Delco Upper Engine and Fuel Injector Cleaner
Replies
5
Views
3K
CarolinaHD
CarolinaHD
R
Injector return lines
Replies
15
Views
3K
tjs82
tjs82
L
Wiring Harness mounted on fender insert
Replies
3
Views
1K
2004LB7
2004LB7
Rancelot211
Lbz coolant line size
Replies
3
Views
2K
malibu795
malibu795
B
Duramax fuel line replacement
Replies
34
Views
10K
frankenstien
frankenstien
Bbuchanan11
6an feed line too small?
Replies
22
Views
3K
Utahski
Utahski
C
LMM: danville 67mm stg2 or 72mm stg2
Replies
21
Views
3K
torqued2dmax
torqued2dmax
frankenstien
LLY: Fuel system re-routing and fittings
Replies
3
Views
2K
frankenstien
frankenstien
Cakes
Major fuel leak underload?
Replies
19
Views
6K
DAVe3283
DAVe3283
J
LML Indirect injector labor hours
Replies
11
Views
14K
AZlml
AZlml
Spank
LMM: Mileage doesn’t make sense
Replies
9
Views
1K
2004LB7
2004LB7
Henry95
LLY: Frame difference
Replies
3
Views
1K
THEFERMANATOR
THEFERMANATOR
duramaxnate
Anyone seen this before?
Replies
7
Views
2K
duramaxnate
duramaxnate
J
LB7: Air dog Fp 150 lift pump
Replies
5
Views
1K
2004LB7
2004LB7
HeavyDuty204
LML Rad and Fuel Filter Head
Replies
2
Views
847
HeavyDuty204
HeavyDuty204
THEFERMANATOR
Mobil oil sale
Replies
0
Views
784
THEFERMANATOR
THEFERMANATOR
wilrob
Axle Dump
Replies
49
Views
15K
raceghost
raceghost
tjs82
Coolant pipe coating
Replies
8
Views
1K
tjs82
tjs82
max57
S366sx-E Size
Replies
1
Views
795
MAXX IT OUT
MAXX IT OUT
J
2014 LML EGR, DEF, DPF delete
Replies
1
Views
991
AZlml
AZlml
C
LMM: What Grade headstuds to use
Replies
21
Views
3K
CRAWLEN
C
C
LMM: Injector size
Replies
34
Views
6K
Nickracer9
N
Rudy1
DEF positioning Sensor code
Replies
0
Views
818
Rudy1
Rudy1
R
Injector testing/balance rates with blown engine?
Replies
7
Views
1K
Chevy1925
Chevy1925
citadel
Upper Valve cover bolt size
Replies
3
Views
3K
citadel
citadel
L
Mileage drop after Banks Intercooler tube
Replies
4
Views
952
monster50iii
monster50iii
Duramax'n
Losing power......
Replies
9
Views
942
N2BRK
N2BRK
DDiesell
Crank position relearn?
Replies
16
Views
9K
DDiesell
DDiesell
duramaxnate
LLY: P0670 affect EGR Monitor?
Replies
1
Views
757
ChrisPerry
ChrisPerry
thuddylikessmoke
P0301 and high balance rate
Replies
1
Views
773
thuddylikessmoke
thuddylikessmoke
Cabbaaage
Fuel Rail Removal
Replies
1
Views
1K
quinton
quinton
citadel
LLY Injector Question
Replies
8
Views
987
Brent@LDS
Brent@LDS
O
16 LML cp3 conversation and delete
Replies
14
Views
3K
zakkb787
zakkb787
R
LLY: Quick shock injector cleaner
Replies
10
Views
6K
NC-smokinlmm
NC-smokinlmm
S
Dual Cp3 issue stock over 14mm in valley
Replies
5
Views
905
2004LB7
2004LB7
Summitsmoke403
FICM harness
Replies
0
Views
627
Summitsmoke403
Summitsmoke403
7
LB7: Wicked wheel2?
Replies
0
Views
834
77cruiser
7
J
LML Nut in coolant
Replies
2
Views
878
kiwilml
kiwilml
Philv
Just got a new code
Replies
2
Views
642
zakkb787
zakkb787
I
2003 lb7 keeps giving maf code.
Replies
8
Views
984
THEFERMANATOR
THEFERMANATOR
P
After head gasket replacement issues
Replies
26
Views
7K
THEFERMANATOR
THEFERMANATOR
mbc230
Air Conditioning Noise
Replies
0
Views
512
mbc230
mbc230
MolonLabe420
Can't keep IC pipes on
Replies
20
Views
2K
RickDLance
R
R
LLY: Difference Between Axle Lube and Gear Lube?
Replies
8
Views
2K
Novak
Novak
LBZ
LB7: ‘03 No Start Without A Little Help
Replies
60
Views
4K
LBZ
LBZ
Henry95
LLY: Alternator plug
Replies
2
Views
770
Henry95
Henry95
b.d.keathley
15.5 LML losing coolant slowly
Replies
23
Views
4K
b.d.keathley
b.d.keathley
J
08 lmm limp mode issues
Replies
10
Views
2K
Blackmax123
B
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