US Diesel Parts » 2004, Chevy GMC, 6.6L Duramax LLY

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  • (X) Year: 2004
  • (X) Make: Chevy GMC
  • (X) Engine: 6.6L Duramax LLY

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Items 1-60 of 301
Description: Chevy, Dodge, Ford and GMC Applications. See full list below.
Item #: 40420
Condition: New
Price: $549.00
Sale: $449.00
Save: 18%
Save: $100.00

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Description: 2001 - 2007 Chevy/GMC LB7, LLY, LBZ For Juice with Attitude, Evolution or Insight and now compatible with all CS/CTS & CS2/CTS2 devices!
Item #: 28500
Condition: New
Price: $56.07
Sale: $54.95
Save: 2%
Save: $1.12

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Description: 2001-2019 GM 2500HD 3500HD
Item #: 121612
Condition: New
Price: $56.94

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Description: For trucks with RPO Code: FT2, FT3, FT4, FT5, FT6 or FT7 (Kit# C1212) *See Notes Below* 01-06 Chevy 2500 Pickup 4WD 01-10 Chevy 2500HD Pickup 4WD 01-10 Chevy 3500 Pickup 4WD...More Details »
Item #: C1212
Condition: New
Price: $159.95

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Description: For trucks with RPO Code: RPO Code: FK2, FK3, FF6, FF7, FF8, or FF9 (Kit# C1213) *See Notes Below* 01-06 Chevy 2500 Pickup 4WD 01-10 Chevy 2500HD Pickup 4WD 01-10 Chevy 3500...More Details »
Item #: C1213
Condition: New
Price: $159.95

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Description: 2001 - 2005 Chevy / GMC 6.6L Duramax - LB7 & LLY SIZE: 2-1/16" (52.4mm) TYPE: Mechanical RANGE: 0-35 PSI More Details »
Item #: 8304
Condition: New
Price: $92.95

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Description: 2001 - 2005 Chevy / GMC 6.6L Duramax - LB7 & LLY SIZE: 2-1/16" (52.4mm) TYPE: Mechanical RANGE: 0-60 PSI More Details »
Item #: 8305
Condition: New
Price: $92.95

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Description: 2001 - 2005 Chevy / GMC 6.6L Duramax - LB7 & LLY SIZE: 2-1/16" (52.4mm) TYPE: Digital Stepper Motor RANGE: 0-30 PSI More Details »
Item #: 8360
Condition: New
Price: $257.95

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Description: 2001 - 2005 Chevy / GMC 6.6L Duramax - LB7 & LLY SIZE: 2-1/16" (52.4mm) TYPE: Digital Stepper Motor RANGE: 0-1600 °F More Details »
Item #: 8344
Condition: New
Price: $227.95

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Description: 2001 - 2005 Chevy / GMC 6.6L Duramax - LB7 & LLY SIZE: 2-1/16" (52.4mm) TYPE: Digital Stepper Motor RANGE: 0-2000 °F More Details »
Item #: 8345
Condition: New
Price: $227.95

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Description: 2001 - 2005 Chevy / GMC 6.6L Duramax - LB7 & LLY 2003 - 2007 Dodge 5.9L Cummins compatible Fits factory fuel rail. Designed to match Chevy and GMC OEM gauges. Includes 8 ft. tubing...More Details »
Item #: 8386
Condition: New
Price: $229.95

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Description: 2001 - 2005 Chevy / GMC 6.6L Duramax - LB7 & LLY SIZE: 2-1/16" (52.4mm) TYPE: Air-Core Short Sweep Electric RANGE: 100-250 °F More Details »
Item #: 8349
Condition: New
Price: $92.95

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Description: 2001 - 2005 Chevy / GMC 6.6L Duramax - LB7 & LLY SIZE: 2-1/16" (52.4mm) TYPE: Digital Stepper Motor RANGE: 100-260 °F More Details »
Item #: 8357
Condition: New
Price: $187.95

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Description: 2004.5-2012 GM 6.6L Duramax - 1994-2003 Ford 7.3L, Navistar T444E - 2003-2010 Ford 6.0L - 2006-2010 4.5 L LCF - 2011-2012 Ford 6.7L F-250/550 - 1994-1999 Navistar DT466E, I530E -...More Details »
Item #: AP0068
Condition: New
Price: $37.17
Sale: $33.45
Save: 10%
Save: $3.72
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Description: 2001 - 2015 Chevy GMC 6.6L Duramax 1999 - 2015 GM Gas Superchips has engineered the F5 Flashpaq performance tuner to be easy to use and also be one of the most compatible electronic upgrades...More Details »
Item #: 2845
Condition: New
Price: $411.95
Sale: $349.95
Save: 15%
Save: $62.00

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Description: For trucks with RPO Code: FT2, FT3, FT4, FT5, FT6 or FT7 (Kit# C31) *See Notes Below* 01-10 Chevy 2500HD Pickup 4WD 01-10 Chevy 3500HD Pickup 4WD 01-10 GMC 2500HD Pickup 4WD...More Details »
Item #: C31
Condition: New
Price: $895.00

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Description: For trucks with RPO Code: FK2 - FK3 - FF6 - FF7 - FF8 - FF9. (Kit# C32) *See Notes Below* 01-10 Chevy 2500HD Pickup 4WD 01-10 Chevy 3500HD Pickup 4WD 01-10 GMC 2500HD Pickup 4WD...More Details »
Item #: C32
Condition: New
Price: $895.00

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Description: 2004 - 2010 Chevy GMC 6.6L Duramax 2500 3500 LLY, LBZ & LMM
Item #: 321056
Condition: New
Price: $253.93
Sale: $167.59
Save: 34%
Save: $86.34

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Description: 2001 - 2006 Chevy GMC 6.6L Duramax with stock 3.5" Exhaust
Item #: 60020
Condition: New
Price: $329.26

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 Down Pipe Back, Aluminized, Dual, Quiet Tone
Item #: K4115A
Condition: New
Price: $763.35
Sale: $503.81
Save: 34%
Save: $259.54

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 Down Pipe Back, Aluminized, Dual, Quiet Tone, No Muffler
Item #: K4115A-RP
Condition: New
Price: $704.63
Sale: $465.06
Save: 34%
Save: $239.57

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Description: 2001 - 2005 Chevy GMC 6.6L Duramax 2500 3500
Item #: K4112A
Condition: New
Price: $616.55
Sale: $406.92
Save: 34%
Save: $209.63

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Description: 2001 - 2005 Chevy GMC 6.6L Duramax 2500 3500 Aluminized, Cat Back, No Muffler
Item #: K4112A-RP
Condition: New
Price: $557.83
Sale: $368.17
Save: 34%
Save: $189.66

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Description: 2001 - 2005 Chevy GMC 6.6L Duramax 2500 3500
Item #: K4110A
Condition: New
Price: $455.07
Sale: $300.35
Save: 34%
Save: $154.72

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Description: 2001 - 2005 Chevy GMC 6.6L Duramax 2500 3500 Cat Back, Aluminized, NO Muffler
Item #: K4110A-RP
Condition: New
Price: $396.35
Sale: $261.59
Save: 34%
Save: $134.76

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 Down Pipe Back, Aluminized, Duals
Item #: K4116A
Condition: New
Price: $689.95
Sale: $455.37
Save: 34%
Save: $234.58

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 Down Pipe Back, Aluminized, Duals, No Muffler
Item #: K4116A-RP
Condition: New
Price: $631.23
Sale: $416.61
Save: 34%
Save: $214.62

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 LB7, LLY, LBZ 4" aluminized turbo back off road exhaust system with Quiet Tone front pipe
Item #: K4113A
Condition: New
Price: $616.55
Sale: $406.92
Save: 34%
Save: $209.63

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 Diamond Eye 4" aluminized turbo back off road exhaust system with "Quiet Tone" front pipe & muffler delete pipe
Item #: K4113A-RP
Condition: New
Price: $557.83
Sale: $368.17
Save: 34%
Save: $189.66

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 LB7, LLY, LBZ 4" aluminized down pipe back off road exhaust system
Item #: K4114A
Condition: New
Price: $513.79
Sale: $339.10
Save: 34%
Save: $174.69

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 LB7, LLY, LBZ 4" aluminized down pipe back off road exhaust with muffler delete pipe
Item #: K4114A-RP
Condition: New
Price: $455.07
Sale: $300.35
Save: 34%
Save: $154.72

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Description: 2001 - 2007 Chevy GMC 6.6L Duramax
Item #: 321040
Condition: New
Price: $212.46
Sale: $140.22
Save: 34%
Save: $72.24

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Description: 2001 - 2005 Chevy GMC 6.6L Duramax 2500 3500 Stainless, Cat Back, Dual
Item #: K4112S
Condition: New
Price: $763.35
Sale: $503.81
Save: 34%
Save: $259.54

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Description: 2001 - 2005 Chevy GMC 6.6L Duramax 2500 3500 Stainless, Cat Back, Dual, No Muffler
Item #: K4112S-RP
Condition: New
Price: $704.63
Sale: $465.06
Save: 34%
Save: $239.57

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Description: 2001 - 2005 Chevy GMC 6.6L Duramax 2500 3500
Item #: K4110S
Condition: New
Price: $543.15
Sale: $358.48
Save: 34%
Save: $184.67

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Description: 2001 - 2005 Chevy GMC 6.6L Duramax 2500 3500 Cat Back, Stainless, No Muffler
Item #: K4110S-RP
Condition: New
Price: $484.43
Sale: $319.72
Save: 34%
Save: $164.71

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 Down Pipe Back, Stainless, Dual
Item #: K4116S
Condition: New
Price: $877.85
Sale: $579.38
Save: 34%
Save: $298.47

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 Down Pipe Back, Stainless, Duals, No Muffler
Item #: K4116S-RP
Condition: New
Price: $819.13
Sale: $540.63
Save: 34%
Save: $278.50

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 LB7 LLY LBZ
Item #: K4114S
Condition: New
Price: $601.87
Sale: $397.23
Save: 34%
Save: $204.64

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 LB7 LLY LBZ Diamond Eye 4" stainless down pipe back off road exhaust system with muffler & Cat delete pipes.
Item #: K4114S-RP
Condition: New
Price: $572.51
Sale: $377.86
Save: 34%
Save: $194.65

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 Down Pipe Back, Stainless Steel , Dual, Quiet Tone 6-Year Warranty
Item #: K4115S
Condition: New
Price: $625.96

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Description: 2001-2006 1500 HD Silverado/Sierra 1/2 ton pickup 2001-2010 2500 HD Silverado/ Sierra 3/4 ton pickup 2001-2006 2500 NON-HD Silverado/ Sierra 3/4 ton pickup, Avalanche, Suburban, and Yukon XL...More Details »
Item #: 192HF
Condition: New
Price: $2,037.52

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Description: 2001-2010 2500 HD Silverado/ Sierra Dually Pickup This suspension kit comes with the upgraded FOX Shocks in place of the base kit NX2 Shocks. More Details »
Item #: 192HDF
Condition: New
Price: $2,094.46

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Description: 2001-2006 1500 HD Silverado/Sierra 1/2 ton pickup 2001-2010 2500 HD Silverado/ Sierra 3/4 ton pickup 2001-2006 2500 NON-HD Silverado/ Sierra 3/4 ton pickup, Avalanche, Suburban, and Yukon XL...More Details »
Item #: 192H
Condition: New
Price: $1,757.51

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Description: 2001-2010 2500 HD Silverado/ Sierra Dually Pickup More Details »
Item #: 192HD
Condition: New
Price: $1,814.45

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Description: Flashpaq F5 California Edition Ford (Gas 99-15 and 1999-2010 6.4L, 6.0l, 7.3L Diesel) GM (Gas 99-15 and Diesel 01-10 ) Dodge (Gas 98-14 and 2003-2012 6.7L, 5.9L Diesel)
Item #: 4845
Condition: New
Price: $411.95
Sale: $349.95
Save: 15%
Save: $62.00

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Description: 2004.5 - 2005 GM 6.6L LLY Duramax Diesel 2006 - 2007 GM 6.6L LBZ Duramax Diesel 2007 - 2010 GM 6.6L LMM Duramax Diesel
Item #: FPE-VNT63-BW
Condition: New
Price: $2,405.59
Sale: $2,289.13
Save: 5%
Save: $116.46

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Description: 2004.5 - 2005 GM 6.6L LLY Duramax Diesel 2006 - 2007 GM 6.6L LBZ Duramax Diesel 2007 - 2010 GM 6.6L LMM Duramax Diesel
Item #: FPE-VNT63-BW-HX40
Condition: New
Price: $2,482.34
Sale: $2,364.13
Save: 5%
Save: $118.21

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Description: 2001 - 2010 Chevy GMC 6.6L Duramax
Item #: R4SBC133
Condition: New
Price: $439.00

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Description: 2001 - 2010 Chevy GMC 6.6L Duramax LB7, LLY, LBZ, LMM
Item #: R4SBC136
Condition: New
Price: $455.00

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Description: 2001 - 2010 6.6L Duramax - LB7, LLY, LBZ and LMM (Preset @ 8 psi)
Item #: A6SABC409
Condition: New
Price: $739.00

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Description: 2001 - 2015 Allison Equipped GM Trucks
Item #: FPE-ALILKR
Condition: New
Price: $187.95
Sale: $179.00
Save: 5%
Save: $8.95

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Description: 2001 - 2005 GM 6.6L LB7/LLY Duramax with Allison Transmission
Item #: FPE-TL-LB7-LLY
Condition: New
Price: $282.45
Sale: $269.00
Save: 5%
Save: $13.45

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Description: 2001 - 2005 GM 6.6L LB7 and LLY Duramax Diesel The Amp'd (no switch) allows for settings of Stock Power, 50% Increase or 100% Increase. Amp'd kits are also available with switch that...More Details »
Item #: 28855-D
Condition: New
Price: $318.95
Sale: $295.95
Save: 7%
Save: $23.00

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Description: 2001 - Current Chevy GMC 6.6L Duramax LB7, LLY, LBZ, LMM, LML, 2500, 3500 Including Kodiak, Topkick C4500, C5500
Item #: 230-4202
Condition: New
Price: $1,849.67

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Description: 2001 - Current Chevy GMC 6.6L Duramax LB7, LLY, LBZ, LMM, LML, 2500, 3500 Including Kodiak, Topkick, C4500, C5500
Item #: 230-4201
Condition: New
Price: $685.64

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Description: Chevy GMC Duramax 6.6L
Item #: 230-6301
Condition: New
Price: $233.36

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Description: ATS Aurora 3000 Turbo System 2004-2005 Chevy / GMC Duramax 6.6L LLY Part# 2029304290
Item #: 2029304290
Condition: New
Price: $3,322.00
Sale: $2,840.31
Save: 14%
Save: $481.69

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Description: ATS Aurora 4000 Turbo System 2004-2005 Chevy GMC Duramax 6.6L LLY Part# 2029404290
Item #: 2029404290
Condition: New
Price: $3,682.00
Sale: $3,148.11
Save: 14%
Save: $533.89

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Description: ATS Aurora 5000 Turbo System 2004-2005 Chevy GMC Duramax 6.6L LLY Part# 2029504290
Item #: 2029504290
Condition: New
Price: $3,998.24
Sale: $3,418.50
Save: 14%
Save: $579.74

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Items 1-60 of 301

View Universal items for: 2004, Chevy GMC, 6.6L Duramax LLY