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
  • lexa

LLY New

1.3K
17.3K
Threads
1.3K
Messages
17.3K
1FastBrick
LLY Ficm

LBZ New

1.2K
14.3K
Threads
1.2K
Messages
14.3K
shakenfake
Service Brake System message

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

654
8.4K
Threads
654
Messages
8.4K
NC-smokinlmm
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

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
F
LB7: Urgent help needed ASAP! Terrible thing happened after HG job!
Replies
46
Views
9K
blk smoke lb7
blk smoke lb7
TXSarge
LBZ: Vanes cleaned but still not cycling
Replies
7
Views
5K
TXSarge
TXSarge
dirtymax36
LLY: lebonte methanol injection
Replies
1
Views
1K
LBZ
LBZ
bigboytoy426
Massive trans leak
Replies
10
Views
2K
bigboytoy426
bigboytoy426
Drew92
LB7: Unusual high rail pressure issue.
Replies
8
Views
3K
Kappa9012
Kappa9012
TeaBagger2006
Cat delete on a LML
Replies
5
Views
3K
TeaBagger2006
TeaBagger2006
Gello
Lb7 balance rate ?
Replies
6
Views
6K
Gello
Gello
TLyons90
Help: Fuel Tank/Fuel Gauge Question! NOT adding up...
Replies
14
Views
1K
TLyons90
TLyons90
D
BT Diesel Works
Replies
13
Views
2K
dmaxrdnck
D
S
Truck acts like its running out of fuel at normal operation
Replies
1
Views
1K
04D_MAX
04D_MAX
T
Starting Problems - Buzz Sound No Start (Help needed!)
Replies
6
Views
2K
nar
nar
jdlover1
LBZ: Blowing maf sensor
Replies
10
Views
8K
jdlover1
jdlover1
MeanDmax
Billet Crank
Replies
3
Views
2K
CurtisEmery
CurtisEmery
bluecollar
64mm ihi from dts :)
Replies
24
Views
7K
Fasttoys450
Fasttoys450
S
Question: 261 t-case making noise in overdrive
Replies
4
Views
887
Shieldsinc
S
05chevy
LBZ: New nozzle now sounds like powerstroke
Replies
24
Views
4K
05chevy
05chevy
C
Need Purchasing Advice
Replies
5
Views
1K
TLyons90
TLyons90
F
Radiator pin hole leak after doing head gasket job...
Replies
6
Views
1K
fishv12
F
durallymax
LBZ: Knock,1&4 High Bal, No FRP, Bad Fuel, No Air Filter
Replies
16
Views
2K
durallymax
durallymax
Mpsoldier
lly surge
Replies
13
Views
3K
Mpsoldier
Mpsoldier
MAXX IT OUT
LB7: Injectors
Replies
21
Views
4K
hondarider552
hondarider552
Ne-max
Lb7 S366 Issue
Replies
9
Views
2K
blk smoke lb7
blk smoke lb7
Janimal444
Bleeding Fuel System after Factory Filter Delete
Replies
1
Views
1K
jevanb
jevanb
JackPine47
s366 safe for my truck?
Replies
23
Views
3K
JackPine47
JackPine47
Grizz3500
Questionable Balance Rates
Replies
0
Views
897
Grizz3500
Grizz3500
S
LB7: What are these marks in cylinders?
Replies
5
Views
2K
AKlowriderZ71
AKlowriderZ71
F
LB7 Blown head gasket and/or injector cups Part 2 after closed thread!~
Replies
127
Views
26K
catman3126
catman3126
F
LB7: Heater hose routing can't remember where it was???
Replies
4
Views
2K
fishv12
F
07metallicgreen
s466 vs 472 with 2.6 cover
Replies
5
Views
2K
LWATSON
LWATSON
02greysixer
Allison 5sp: Transfer case fluid
Replies
20
Views
11K
workin' diesel
W
D
Question: Garrett VVT Turbine Wheels
Replies
3
Views
1K
Dashman
D
G
How to fix 0087
Replies
0
Views
689
GraveMAL
G
jdlover1
LLY: heater core bypass
Replies
1
Views
2K
Evan@InglewoodTrans
Evan@InglewoodTrans
S
Info: 600hp DD lbz build ?s
Replies
17
Views
6K
Shieldsinc
S
bevi
breaks
Replies
10
Views
2K
S Phinney
S
W
Turbo Question
Replies
1
Views
946
dirty_max
dirty_max
SSchmi5519
LLY Nitrous Test
Replies
68
Views
11K
quinton
quinton
P
Whitish/grayish smoke stock LML???
Replies
9
Views
5K
Pipefitter198
P
quinton
Lly wire gremlins!!
Replies
6
Views
1K
quinton
quinton
Gello
Lb7 tapping under load
Replies
11
Views
2K
Jackblack99
Jackblack99
Sledhead
Shredding Tires
Replies
13
Views
2K
DaveB
DaveB
Kappa9012
LB7: dirty injectors
Replies
12
Views
3K
tyrat
tyrat
tyrat
white smoke high mileage lb7
Replies
1
Views
1K
tyrat
tyrat
F
LB7: Fuel line banjo bolt going to heads outside of valve cover part number
Replies
4
Views
1K
fishv12
F
ikeG
How much in overlow bottle?
Replies
5
Views
2K
07metallicgreen
07metallicgreen
S
Help: Hole in downpipe and bottom end power loss
Replies
13
Views
6K
Shieldsinc
S
x MadMAX DIESEL
What are my options? Diff question
Replies
12
Views
2K
x MadMAX DIESEL
x MadMAX DIESEL
K
LB7 LLY Water pump fix-is there a solution?
Replies
58
Views
14K
beanpole209
beanpole209
C
Poset-DPF pressure sensor hardline
Replies
2
Views
1K
Cougar281
C
thunder550
LLY: Factory hard fuel line diameter?
Replies
18
Views
6K
xtremebikr04
xtremebikr04
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