Duramax Hard Parts

Dmax Performance Parts and related discussions.

LB7 New

2.1K
31.1K
Threads
2.1K
Messages
31.1K
2004LB7
Crank no start P2146

LLY New

1.3K
15.8K
Threads
1.3K
Messages
15.8K
R
Engine Codes while towing Heavy.

LBZ New

1.1K
13.8K
Threads
1.1K
Messages
13.8K
Chevy1925
Starter is grinding intermittently.

LMM New

736
11K
Threads
736
Messages
11K
Chevy1925
2007.5 Chevy 2500 4x4 6.6 LMM Duramax 100,000 miles. More problems.....

LML New

589
7.7K
Threads
589
Messages
7.7K
T
Lml no power
  • tbj

L5P New

93
3.1K
Threads
93
Messages
3.1K
kidturbo
L5P Weakest Links

Transfer Case / Axles / Driveshafts Tech New

280
3.4K
Threads
280
Messages
3.4K
JoshH
Duramax 4WD Issue

Van

17
310
Threads
17
Messages
310
D
Custom Van Air Intake

Part #'s

394
2.2K
Threads
394
Messages
2.2K
xringmaster
Vehicle to trailer plug harness part no.

Turbo Talk New

"Nitrous is nice, but it's best to be Blown"
1.9K
43.5K
Threads
1.9K
Messages
43.5K
T
LB7 stock turbo longevity and upgrade options?

General Fuel System & Exhaust Questions

360
7.4K
Threads
360
Messages
7.4K
0
How much should I trust FASS filtration?

Fluids and Maintenance New

647
10.7K
Threads
647
Messages
10.7K
2004LB7
A/C oil

The Pharmacy

Nitrous, Propane, Meth, oxidizers
172
3.2K
Threads
172
Messages
3.2K
Baking83
Nitrous

Sticky threads

paint94979
  • Sticky
Fluid Capacities Sticky
Replies
45
Views
43K
MGKelly
M
JoshH
  • Locked
  • Sticky
2020 oil cooler part numbers
Replies
2
Views
237
Chevy1925
Chevy1925
chevyburnout1
  • Sticky
Attention LML owners...
Replies
47
Views
23K
LBZ
LBZ
chevyburnout1
  • Sticky
G80 locker spring mod
Replies
48
Views
10K
Yngdmax92
Yngdmax92
JOHNBOY
  • Sticky
LB7: BPU's for the LB7
Replies
64
Views
81K
DAVe3283
DAVe3283
bullfrogjohnson
  • Sticky
The $20 LB7 Injector Cup Tool
Replies
40
Views
62K
rickcdewitt
R
McRat
  • Sticky
Info: Duramax Valve Lash Tutorial.
Replies
31
Views
69K
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
4K
Bulldogr6
Bulldogr6
TheBac
  • Sticky
LML BPUs for the LML
Replies
2
Views
8K
AZlml
AZlml
TheBac
  • Sticky
LBZ: BPUs for the LBZ
Replies
1
Views
8K
Ne-max
Ne-max
McRat
  • Sticky
Which Turbocharger is right for me?
Replies
124
Views
91K
wilrob
wilrob
McRat
  • Sticky
LLY: BPU List for LLY's
Replies
23
Views
55K
Black HD
B
Kat
  • Sticky
Emergency Relearn on ECM works on LBZ
Replies
23
Views
69K
nova88
N
McRat
  • Sticky
ABS problems with tires over 34"
Replies
42
Views
54K
LBZrcks
L
TrentNell
  • Sticky
  • Poll
Info: Injectors poll
Replies
73
Views
58K
TonOfDalt
T
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

kidturbo
L5P Weakest Links
Replies
30
Views
388
kidturbo
kidturbo
JAG91761
Engine Codes while towing Heavy.
Replies
9
Views
113
Ron Nielson
R
Dozerboy
Starter is grinding intermittently.
Replies
1
Views
51
Chevy1925
Chevy1925
B
wrench and gear light
Replies
0
Views
34
bwedge
B
T
2007.5 Chevy 2500 4x4 6.6 LMM Duramax 100,000 miles. More problems.....
Replies
15
Views
215
Chevy1925
Chevy1925
N
2005 lly
Replies
55
Views
412
nitrochad
N
W
Remote oil cooler & bypass filter?
Replies
7
Views
88
Bdsankey
Bdsankey
Dm23
L5P INJECTOR QUESTION
Replies
12
Views
2K
Big_Poppa
B
DefiantArms
Ways to do an oil system flush
Replies
10
Views
180
clrussell
clrussell
M
Duramax 4WD Issue
Replies
12
Views
259
JoshH
JoshH
T
Lml no power
Replies
46
Views
672
tbj
T
W
LB7 stock turbo longevity and upgrade options?
Replies
12
Views
279
turbovan
T
Fastshovelhead
TrakMotive XTENDED Travel CV Axles GM-8026XTT 2500HD
Replies
26
Views
662
gmc502
gmc502
DefiantArms
HSP Y Bridge oring
Replies
0
Views
48
DefiantArms
DefiantArms
GregJ77
Crank no start P2146
Replies
20
Views
232
2004LB7
2004LB7
G
Bad ficm
Replies
6
Views
104
2004LB7
2004LB7
G
LLY Rear Engine Coolant Leak
Replies
5
Views
355
Dozerboy
Dozerboy
770JOHNNYW
lmm p0102
Replies
11
Views
3K
skyboy062
S
S
2003 6.6 Silverado H.D Duramax code PO802
Replies
3
Views
78
TheBac
TheBac
L
SoCal Lb7 Duramax
Replies
2
Views
120
DAVe3283
DAVe3283
0
Drive pressure leak
Replies
8
Views
195
Bdsankey
Bdsankey
Wyatt.bilodeau
Blown turbo lly?
Replies
34
Views
420
1FastBrick
1FastBrick
Mogman
The stand alone TCCM 08 LMM, the last hurdle
Replies
14
Views
781
Coryend
C
T
Crank no start no codes
Replies
0
Views
41
TommyZyvoloski
T
LSxBakakos
Lb7 current 67mm drop in vs s400
Replies
6
Views
135
LSxBakakos
LSxBakakos
Fastshovelhead
LB7 Y-BRIDGE MODIFIED
Replies
40
Views
705
Bdsankey
Bdsankey
Dm23
Another issue with coolant.
Replies
14
Views
288
Dm23
Dm23
Ironworker15
Lbz Broken crank
Replies
9
Views
215
ikeG
ikeG
M
LLY: Webasto/Espar heater instal
Replies
13
Views
3K
Gumby83
G
danzick
A/C oil
Replies
3
Views
111
2004LB7
2004LB7
M
LLY Fuel Rate Low?
Replies
10
Views
2K
saswanny
S
D
LLY: upper radiator hose collapsed when engine is cold
Replies
4
Views
3K
TheBac
TheBac
D
sheared crank pin cranks, no start
Replies
14
Views
253
1FastBrick
1FastBrick
S
I turned onto reduce power then looked under truck
Replies
29
Views
457
JoshH
JoshH
E
Boost issue... Wondering if I have engine issues.
Replies
6
Views
858
Steve9
S
Dm23
Upper radiator hose. Coolant leak.
Replies
9
Views
123
Dm23
Dm23
R
VSE Turbo
Replies
0
Views
80
Ron Nielson
R
S
Reduced Power
Replies
31
Views
406
Bdsankey
Bdsankey
BigTex1968
Rebuild????
Replies
19
Views
337
Steve9
S
T
LBZ Glow Plug diagnosis
Replies
5
Views
769
Ron Nielson
R
D
How much should I trust FASS filtration?
Replies
15
Views
253
08lmm72mm
0
mtxcaleb
Scr doc dpf delete
Replies
2
Views
198
mtxcaleb
mtxcaleb
Pcfl.Vlly.DMaxxed
Please help! coolant leak!
Replies
4
Views
242
mtxcaleb
mtxcaleb
J
2006 GMC 6.6L Codes
Replies
5
Views
97
gmduramax
gmduramax
Big Chris
GT3788VA on a 2008 3500
Replies
4
Views
93
Bdsankey
Bdsankey
baggedLB7
Rolled my truck.
Replies
16
Views
990
baggedLB7
baggedLB7
J
Emissions
Replies
4
Views
147
2004LB7
2004LB7
R
Transmission control module issue
Replies
17
Views
524
1FastBrick
1FastBrick
robstu85
Bought LB7 04/13. Won't start 04/16.
Replies
23
Views
466
robstu85
robstu85
briencolgan
Allison leak top of tranny on rear
Replies
29
Views
779
briencolgan
briencolgan
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