US Diesel Parts » 2003, Chevy GMC, 6.6L Duramax LB7

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  • (X) Year: 2003
  • (X) Make: Chevy GMC
  • (X) Engine: 6.6L Duramax LB7

View Universal items for: 2003, Chevy GMC, 6.6L Duramax LB7


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Items 1-60 of 314
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


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 - 2004 Chevy GMC 6.6L Duramax Truck
Item #: 18024
Condition: New
Price: $74.95

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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: 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: $356.95
Save: 13%
Save: $55.00

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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: 2001 - 2004 Chevy GMC 6.6L Duramax 2500 3500 LB7
Item #: 321055
Condition: New
Price: $524.39
Sale: $346.10
Save: 34%
Save: $178.29

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Description: 2001 - 2006 Chevy GMC 6.6L Duramax with stock 3.5" Exhaust
Item #: 60020
Condition: New
Price: $468.51
Sale: $362.03
Save: 23%
Save: $106.48

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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: $891.79
Sale: $588.58
Save: 34%
Save: $303.21

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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: $823.19
Sale: $543.31
Save: 34%
Save: $279.88

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Description: 2001 - 2005 Chevy GMC 6.6L Duramax 2500 3500
Item #: K4112A
Condition: New
Price: $720.29
Sale: $475.39
Save: 34%
Save: $244.90

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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: $651.69
Sale: $430.12
Save: 34%
Save: $221.57

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Description: 2001 - 2005 Chevy GMC 6.6L Duramax 2500 3500
Item #: K4110A
Condition: New
Price: $531.64
Sale: $350.88
Save: 34%
Save: $180.76

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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: $463.04
Sale: $305.61
Save: 34%
Save: $157.43

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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: $806.04
Sale: $531.99
Save: 34%
Save: $274.05

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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: $737.44
Sale: $486.71
Save: 34%
Save: $250.73

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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: $720.29
Sale: $475.39
Save: 34%
Save: $244.90

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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: $651.69
Sale: $430.12
Save: 34%
Save: $221.57

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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: $586.23
Sale: $386.91
Save: 34%
Save: $199.32

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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: $529.17
Sale: $349.25
Save: 34%
Save: $179.92

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Description: 2001 - 2007 Chevy GMC 6.6L Duramax
Item #: 321040
Condition: New
Price: $248.21
Sale: $163.82
Save: 34%
Save: $84.39

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Description: 2001 - 2005 Chevy GMC 6.6L Duramax 2500 3500 Stainless, Cat Back, Dual
Item #: K4112S
Condition: New
Price: $891.79
Sale: $588.58
Save: 34%
Save: $303.21

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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: $823.19
Sale: $543.31
Save: 34%
Save: $279.88

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Description: 2001 - 2005 Chevy GMC 6.6L Duramax 2500 3500
Item #: K4110S
Condition: New
Price: $634.54
Sale: $418.80
Save: 34%
Save: $215.74

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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: $565.94
Sale: $373.52
Save: 34%
Save: $192.42

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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: $1,025.55
Sale: $676.86
Save: 34%
Save: $348.69

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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: $956.95
Sale: $631.59
Save: 34%
Save: $325.36

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Description: 2001 - early 2007 Chevy GMC 6.6L Duramax 2500 3500 LB7 LLY LBZ
Item #: K4114S
Condition: New
Price: $699.87
Sale: $461.91
Save: 34%
Save: $237.96

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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: $668.84
Sale: $441.43
Save: 34%
Save: $227.41

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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: $1,108.00
Sale: $731.28
Save: 34%
Save: $376.72

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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: $356.95
Save: 13%
Save: $55.00

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Description: 2001 - 2004 GM 6.6L LB7 Duramax Diesel
Item #: FPE-LB7-63
Condition: New
Price: $2,254.88
Sale: $2,147.50
Save: 5%
Save: $107.38


Description: 2001 - 2004 Chevy GMC 6.6L Duramax LB7
Item #: 62G
Condition: New
Price: $27.70
Sale: $25.27
Save: 9%
Save: $2.43
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Description: 2001 - 2004 Chevy GMC 6.6L Duramax LB7
Item #: 65384
Condition: New
Price: $18.00
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Description: 2001 - 2003 Chevy GMC 6.6L Duramax LB7 Discontinued - Please call for options.
Item #: HTS107
Condition: New
Price: $408.16
Sale: $357.14
Save: 13%
Save: $51.02

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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 2001-2004 Chevy GMC Duramax 6.6L LB7 Part# 2029304248
Item #: 2029304248
Condition: New
Price: $3,322.00
Sale: $3,155.90
Save: 5%
Save: $166.10

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Items 1-60 of 314

View Universal items for: 2003, Chevy GMC, 6.6L Duramax LB7