Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2K
Threads
28.8K
Messages
2K
Threads
28.8K
Messages
0
New to Me '03....with some issues.

LLY New

1.2K
Threads
14.8K
Messages
1.2K
Threads
14.8K
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dndj
p1093
  • dndj

LBZ New

1K
Threads
12.6K
Messages
1K
Threads
12.6K
Messages
R
Garrett Turbo

LMM New

625
Threads
9.8K
Messages
625
Threads
9.8K
Messages
M
Obnoxious smell

LML New

466
Threads
6.5K
Messages
466
Threads
6.5K
Messages
S
6.6 LML Duramax diesel

L5P New

47
Threads
2.7K
Messages
47
Threads
2.7K
Messages
M.A.M.
HP4 diagnose P228C P228B

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
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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"
1.9K
Threads
42.5K
Messages
1.9K
Threads
42.5K
Messages
Bdsankey
Towing Compounds

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

618
Threads
10.2K
Messages
618
Threads
10.2K
Messages
2004LB7
Changing radiator hoses

The Pharmacy New

Nitrous, Propane, Meth, oxidizers
171
Threads
3.1K
Messages
171
Threads
3.1K
Messages
None

Sticky threads

chevyburnout1
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Attention LML owners...
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mde
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nova88
N
McRat
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TrentNell
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T
paint94979
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Rhall
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Normal threads

T
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2004LB7
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M.A.M.
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437
Chevy1925
Chevy1925
0
New to Me '03....with some issues.
Replies
11
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149
03jkjk
0
M
Obnoxious smell
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7
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96
Mogman
M
O
p1093
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4
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59
dndj
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Yngdmax92
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22
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732
bigmackmiller
bigmackmiller
Lb7joezay
Engine coolant temp
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6
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102
Lb7joezay
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4
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85
Lb7joezay
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Garrett Turbo
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4
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106
rwest001
R
fl0w3n
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33
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559
slowlml
slowlml
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5
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268
MarkBroviak
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OregonDMAX
A/C controls inop
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30
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1K
OregonDMAX
OregonDMAX
0
New injectors
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1
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119
Bdsankey
Bdsankey
R
6.6 LML Duramax diesel
Replies
3
Views
150
S Phinney
S
W
Bad Injectors?
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7
Views
171
Welder
W
D
High EGT's, lack of power, black smoke, poor mpg
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34
Views
671
Burn Down
Burn Down
D
EGR delete coolant plug
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1
Views
787
scramHD
scramHD
malibu795
wire schematics for TCM, BCM, ECM, etc
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25
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68K
Cmcrice89
C
monster50iii
T51R mod
Replies
1
Views
670
ryanm91
R
D
Replaced DEF Heater - Reductant System Malfunction Level 5
Replies
7
Views
126
DPC
DPC
F
Crankshaft
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1
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63
Bdsankey
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J
Rear Diff Fluid Change
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20
Views
294
Jake707
J
snowman22
LML "Service Exhaust Fluid System" No DTC's after DPF Re-Install
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6
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794
snowman22
snowman22
V
Whistling noise around 1000 rpm
Replies
9
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258
2004LB7
2004LB7
O
S369/S488
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11
Views
169
ouellet5
O
fl0w3n
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292
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18K
fl0w3n
fl0w3n
D
Lb7 Injectors
Replies
3
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112
[email protected]
Brent@LDS
Longrange65
Zero Rail Pressure when cranking
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17
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299
2004LB7
2004LB7
Dozerboy
Lift pump PSI better after doing S&S100overs
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1
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109
Ne-max
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bigmackmiller
LB7: Dampener
Replies
6
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129
Dozerboy
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fl0w3n
HVAC system stuck on heater
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17
Views
228
dndj
dndj
B
2005 C5500 Utility Body 4x4 LLY Mods
Replies
0
Views
36
bobbygerm
B
R
P0113 IAT Error when LMM in Reverse
Replies
5
Views
152
Ron Nielson
R
M
Air Conditioning
Replies
2
Views
178
02greysixer
02greysixer
D2theMax
04.5 Duramax LLY getting p0101
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14
Views
219
Chevy1925
Chevy1925
catmenace
2020 Silverado 1500 Ecodiesel anybody going to buy one?
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85
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10K
zakkb787
zakkb787
ShopSpecialties
Thermostat Bypass Pipe Hose
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4
Views
364
TheBac
TheBac
M
Electric fan clutch pinout
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7
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166
artuza
A
03LB704.5LLY
Bought an LLY Cranks no start
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30
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392
03LB704.5LLY
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D
2015.5 LML Coolant Issues
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7
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156
LBZ
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BoostnLLY
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23
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506
BoostnLLY
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Fixed: P0016 and P0698
Replies
0
Views
92
Lparrill
Lparrill
Parker_
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7
Views
139
slowlml
slowlml
T
LB7 power steering fluid leak
Replies
7
Views
150
tkerb92
T
OleBlackyLBZ
Dmaxstore Connecting Rods
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32
Views
522
Chevy1925
Chevy1925
C
Fuel issues
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1
Views
40
Cordrayfarmer1227
C
J
Boost Leak
Replies
2
Views
85
Dozerboy
Dozerboy
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