Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2K
Threads
28.7K
Messages
2K
Threads
28.7K
Messages
fl0w3n
A/C controls inop

LLY New

1.2K
Threads
14.7K
Messages
1.2K
Threads
14.7K
Messages
B
2005 C5500 Utility Body 4x4 LLY Mods

LBZ New

1K
Threads
12.6K
Messages
1K
Threads
12.6K
Messages
Burn Down
High EGT's, lack of power, black smoke, poor mpg

LMM New

623
Threads
9.8K
Messages
623
Threads
9.8K
Messages
2004LB7
Whistling noise around 1000 rpm

LML New

466
Threads
6.5K
Messages
466
Threads
6.5K
Messages
W
Bad Injectors?

L5P New

47
Threads
2.7K
Messages
47
Threads
2.7K
Messages
Dozerboy
L5p swap... Anybody know DIESEL ATTITUDE

Transfer Case / Axles / Driveshafts Tech New

255
Threads
3.1K
Messages
255
Threads
3.1K
Messages
J
Rear Diff Fluid Change

Van

16
Threads
303
Messages
16
Threads
303
Messages
rfletes79
Van failed emissions - P0098 intake air temperature sensor 2 circuit high

Part #'s

393
Threads
2.2K
Messages
393
Threads
2.2K
Messages
jonathancasey19
3rd Brake Light Part No

Turbo Talk New

"Nitrous is nice, but it's best to be Blown"
1.8K
Threads
42.5K
Messages
1.8K
Threads
42.5K
Messages
R
T51R mod

LM2 (3.0L) New

4
Threads
103
Messages
4
Threads
103
Messages
zakkb787
2020 Silverado 1500 Ecodiesel anybody going to buy one?

General Fuel Pump & Exhaust Questions

315
Threads
6.9K
Messages
315
Threads
6.9K
Messages
RMJ_LB7
Do I really need 4"??

Fluids and Maintenance New

617
Threads
10.2K
Messages
617
Threads
10.2K
Messages
02greysixer
Air Conditioning

The Pharmacy New

Nitrous, Propane, Meth, oxidizers
172
Threads
3.1K
Messages
172
Threads
3.1K
Messages
2004LB7
Bad Injectors?

Sticky threads

chevyburnout1
  • Sticky
Attention LML owners...
Replies
47
Views
19K
LBZ
LBZ
chevyburnout1
  • Sticky
G80 locker spring mod
Replies
48
Views
7K
Yngdmax92
Yngdmax92
JOHNBOY
  • Sticky
LB7: BPU's for the LB7
Replies
64
Views
78K
DAVe3283
DAVe3283
McRat
  • Sticky
Info: Duramax Valve Lash Tutorial.
Replies
31
Views
61K
BOBBYDIESEL 14
BOBBYDIESEL 14
mde
  • Sticky
Nozzles change manual
Replies
3
Views
8K
Frogman1
Frogman1
TheBac
  • Sticky
LMM: BPUs for the LMM
Replies
12
Views
3K
Bulldogr6
Bulldogr6
TheBac
  • Sticky
LML BPUs for the LML
Replies
2
Views
7K
AZlml
AZlml
TheBac
  • Sticky
LBZ: BPUs for the LBZ
Replies
1
Views
7K
Ne-max
Ne-max
McRat
  • Sticky
Which Turbocharger is right for me?
Replies
124
Views
87K
wilrob
wilrob
McRat
  • Sticky
LLY: BPU List for LLY's
Replies
23
Views
53K
Black HD
B
Kat
  • Sticky
Emergency Relearn on ECM works on LBZ
Replies
23
Views
65K
nova88
N
McRat
  • Sticky
ABS problems with tires over 34"
Replies
42
Views
53K
LBZrcks
L
TrentNell
  • Poll
  • Sticky
Info: Injectors poll
Replies
73
Views
57K
TonOfDalt
T
paint94979
  • Sticky
Fluid Capacities Sticky
Replies
42
Views
41K
hondarider552
hondarider552
McRat
  • Sticky
Info: Glossary of Terms:
Replies
14
Views
20K
ferramento
F
McRat
  • Sticky
Info: Intake Tubing
Replies
9
Views
16K
Rhall
Rhall

Normal threads

OregonDMAX
A/C controls inop
Replies
28
Views
1K
fl0w3n
fl0w3n
W
Bad Injectors?
Replies
1
Views
2
2004LB7
2004LB7
W
Bad Injectors?
Replies
1
Views
2
Welder
W
messejme
Race Exhaust Manifold and Up Pipes
Replies
4
Views
175
Bdsankey
Bdsankey
D
High EGT's, lack of power, black smoke, poor mpg
Replies
34
Views
636
Burn Down
Burn Down
D
EGR delete coolant plug
Replies
1
Views
774
scramHD
scramHD
malibu795
wire schematics for TCM, BCM, ECM, etc
Replies
25
Views
68K
Cmcrice89
C
monster50iii
T51R mod
Replies
1
Views
654
ryanm91
R
Yngdmax92
L5p swap... Anybody know DIESEL ATTITUDE
Replies
13
Views
332
Dozerboy
Dozerboy
M.A.M.
HP4 diagnose P228C P228B
Replies
11
Views
404
RickL5P
R
D
Replaced DEF Heater - Reductant System Malfunction Level 5
Replies
7
Views
125
DPC
DPC
F
Crankshaft
Replies
1
Views
59
Bdsankey
Bdsankey
J
Rear Diff Fluid Change
Replies
20
Views
288
Jake707
J
R
6.6 LML Duramax diesel
Replies
2
Views
88
REBELDEVIL
R
snowman22
LML "Service Exhaust Fluid System" No DTC's after DPF Re-Install
Replies
6
Views
765
snowman22
snowman22
V
Whistling noise around 1000 rpm
Replies
9
Views
248
2004LB7
2004LB7
O
S369/S488
Replies
11
Views
159
ouellet5
O
fl0w3n
Considering DD'ing 350k mile LB7?
Replies
292
Views
18K
fl0w3n
fl0w3n
D
Lb7 Injectors
Replies
3
Views
107
[email protected]
Brent@LDS
Longrange65
Zero Rail Pressure when cranking
Replies
17
Views
289
2004LB7
2004LB7
Dozerboy
Lift pump PSI better after doing S&S100overs
Replies
1
Views
106
Ne-max
Ne-max
bigmackmiller
LB7: Dampener
Replies
6
Views
124
Dozerboy
Dozerboy
fl0w3n
How long would you run these injectors?
Replies
23
Views
434
fl0w3n
fl0w3n
fl0w3n
HVAC system stuck on heater
Replies
17
Views
224
dndj
dndj
B
2005 C5500 Utility Body 4x4 LLY Mods
Replies
0
Views
34
bobbygerm
B
R
P0113 IAT Error when LMM in Reverse
Replies
5
Views
143
Ron Nielson
R
M
Air Conditioning
Replies
2
Views
174
02greysixer
02greysixer
D2theMax
04.5 Duramax LLY getting p0101
Replies
14
Views
215
Chevy1925
Chevy1925
catmenace
2020 Silverado 1500 Ecodiesel anybody going to buy one?
Replies
85
Views
10K
zakkb787
zakkb787
ShopSpecialties
Thermostat Bypass Pipe Hose
Replies
4
Views
362
TheBac
TheBac
M
Electric fan clutch pinout
Replies
7
Views
162
artuza
A
03LB704.5LLY
Bought an LLY Cranks no start
Replies
30
Views
392
03LB704.5LLY
03LB704.5LLY
D
2015.5 LML Coolant Issues
Replies
7
Views
153
LBZ
LBZ
BoostnLLY
LLY Oil Cooler..Again
Replies
23
Views
493
BoostnLLY
BoostnLLY
Lparrill
Fixed: P0016 and P0698
Replies
0
Views
91
Lparrill
Lparrill
Parker_
Sourcing own piping for a s300
Replies
7
Views
132
slowlml
slowlml
T
LB7 power steering fluid leak
Replies
7
Views
142
tkerb92
T
OleBlackyLBZ
Dmaxstore Connecting Rods
Replies
32
Views
521
Chevy1925
Chevy1925
C
Fuel issues
Replies
1
Views
39
Cordrayfarmer1227
C
J
Boost Leak
Replies
2
Views
80
Dozerboy
Dozerboy
Leadfoot
L5P interchangeability?
Replies
32
Views
11K
juddski88
juddski88
B
Want to delete my def tank lml
Replies
7
Views
242
deadliftdiesels
D
0
P-1094 code and hard starting
Replies
9
Views
43
2004LB7
2004LB7
S
Lly hard start and throwing codes
Replies
8
Views
2K
05Duramaxx
0
super diesel
Oil cooling
Replies
1K
Views
180K
jkoprowski
J
C
Newer oil cooler
Replies
1
Views
57
2004LB7
2004LB7
DRAelectrician
DDP 66mm
Replies
12
Views
289
OleBlackyLBZ
OleBlackyLBZ
danzick
1.15 ar for towing
Replies
17
Views
266
Bdsankey
Bdsankey
2
How often to change serpentine belt ?
Replies
10
Views
211
TheBac
TheBac
OleBlackyLBZ
Which Intercooler?
Replies
11
Views
287
OleBlackyLBZ
OleBlackyLBZ
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