Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.2K
31.9K
Threads
2.2K
Messages
31.9K
lexa
Thumping noise coming from intake

LLY New

1.3K
17.4K
Threads
1.3K
Messages
17.4K
1FastBrick
LLY Ficm

LBZ New

1.2K
14.3K
Threads
1.2K
Messages
14.3K
TheBac
WEIRD SHAKES AT IDLE???

LMM

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

654
8.4K
Threads
654
Messages
8.4K
2004LB7
Misfire at 1200rpm

L5P New

124
3.8K
Threads
124
Messages
3.8K
Rdomeck
L5P will barely start, then die Please Help

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 New

397
2.3K
Threads
397
Messages
2.3K
gmc502
2016 alternator 2 pin connector P/N

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 New

653
10.7K
Threads
653
Messages
10.7K
1FastBrick
Which trans fluid ?

The Pharmacy

Nitrous, Propane, Meth, oxidizers
172
3.2K
Threads
172
Messages
3.2K
Baking83
Nitrous
D
Edge Insight CTS2 accuracy
Replies
2
Views
1K
Dmax0789
D
burgess.jase7291
LLY: Diablosport intune i1000 on lly
Replies
5
Views
2K
burgess.jase7291
burgess.jase7291
D
Turbo question
Replies
2
Views
934
Dkatubi06
D
T
Head gasket
Replies
23
Views
4K
DefiantArms
DefiantArms
lmmcbrown0917
LB7: Lb7 p0341 big problems.
Replies
7
Views
4K
motoking_1990
motoking_1990
L
01 2500hd crewcab duramax silverado code:p0089
Replies
1
Views
1K
lifebeginsafterdeath
L
Houser04lly
WTB: LB7 Passenger Side Up Pipe
Replies
1
Views
972
minerigger
minerigger
P
DEF tank location and removal
Replies
5
Views
2K
Powellbr
P
B
S483 compounds question
Replies
32
Views
6K
boosted4life
B
burgess.jase7291
LLY: 05 duramax wont accel over 2000 rpm?
Replies
24
Views
5K
burgess.jase7291
burgess.jase7291
duramax on fire
3 codes came up at once
Replies
2
Views
948
duramax on fire
duramax on fire
0
SDP Twins or Danville 68mm Daily Driver
Replies
36
Views
6K
Utahski
Utahski
W
oil cooler issue
Replies
6
Views
2K
OregonDMAX
OregonDMAX
brokesmoker
LLY: LLY Max rail pressure help
Replies
5
Views
2K
brokesmoker
brokesmoker
Fastorange
Should cp3 return fuel wile pumping primer???
Replies
3
Views
1K
JoshH
JoshH
DefiantArms
couple of LBZ Turbo questions
Replies
9
Views
2K
yellowchevy
Y
E
Huge Fuel Leak
Replies
35
Views
6K
elliss12
E
jonathancasey19
Borg-Warner's New S300SX-E (S369)
Replies
34
Views
12K
prostreeter600
prostreeter600
T
LBZ: upgrades while i have the motor out?
Replies
12
Views
2K
Teamvi
T
burgess.jase7291
LLY: Will a LB7 cp3 work on a LLY?
Replies
8
Views
3K
burgess.jase7291
burgess.jase7291
blue09dmaxx
Twins or single
Replies
53
Views
8K
nick31
nick31
Fastorange
Need help, lbz hard start/no start
Replies
9
Views
2K
Fastorange
Fastorange
Fastorange
Lbz loses prime, injector stuck open?????
Replies
3
Views
2K
Fastorange
Fastorange
burgess.jase7291
LLY: Will LB7 cp3 work on LLy
Replies
0
Views
1K
burgess.jase7291
burgess.jase7291
DefiantArms
Help Choosing Parts
Replies
10
Views
2K
Dan@PPE
D
R
Lmm semi complete engine for sale!!!
Replies
6
Views
2K
rollingthecoal
R
UGAfsuFAN
Hydroboost swap
Replies
1
Views
2K
gmduramax
gmduramax
S
Extremely loud motor
Replies
24
Views
4K
THEFERMANATOR
THEFERMANATOR
kenp313
LB7: Glow plug wiring question?
Replies
4
Views
1K
kenp313
kenp313
W
Truck surging at idle after installing new FPR
Replies
29
Views
8K
Cattractor
C
J
LML Exhaust
Replies
0
Views
1K
J.pouchet
J
battlegraduate09
2015 duramax feedback and opinions wanted
Replies
12
Views
3K
battlegraduate09
battlegraduate09
2004LB7
Stronger front driveshaft
Replies
8
Views
2K
2004LB7
2004LB7
G
Lmm locked up
Replies
36
Views
4K
Gonefishing44
G
MAXX IT OUT
LB7: High pressure fuel block
Replies
2
Views
911
MAXX IT OUT
MAXX IT OUT
gaphillips75
06 lbz loosing coolant
Replies
31
Views
11K
IOWA LLY
IOWA LLY
Rancelot211
Adding line level converter
Replies
1
Views
1K
Rancelot211
Rancelot211
F
New Turbo and still NO boost. HELP!!!
Replies
81
Views
20K
Cornell
Cornell
JoshH
Duramax race van project
Replies
183
Views
37K
whitetrash21
whitetrash21
carl.swoyer
LLY: Engine code from onstar P0670
Replies
3
Views
2K
Rancelot211
Rancelot211
DPC
Fiberglass hoods
Replies
7
Views
2K
DPC
DPC
ChrisPerry
Lb7 cp3???
Replies
3
Views
1K
Brent@LDS
Brent@LDS
Lbz_cody
Fuel cell and lift pump?
Replies
5
Views
1K
Lbz_cody
Lbz_cody
Micheal Tomac
Lucas 15w40 Magnum CI-4 oil
Replies
1
Views
2K
PureHybrid
PureHybrid
D
LB7: Massive HP fuel leak
Replies
2
Views
1K
JLB7
J
TwinStick
This Can't be Right. Front Diff or T-Case?
Replies
7
Views
2K
TwinStick
TwinStick
zf>allison
ac delete pully doesn't line up
Replies
15
Views
2K
zf>allison
zf>allison
K
2001 duramax problem with coolant pressurized
Replies
20
Views
4K
Kbagg
K
dmaxdallas
Fast Ticking at Full Load, Injector Seal?
Replies
25
Views
8K
dmaxdallas
dmaxdallas
02ilduramax
LB7: stock bore size
Replies
4
Views
3K
02ilduramax
02ilduramax
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