KT Performance » 2003, Chevy/GMC, 3500, Diesel

Products for:

  • (X) Year: 2003
  • (X) Make: Chevy/GMC
  • (X) Model: 3500
  • (X) Engine: Diesel

View Universal items for: 2003, Chevy/GMC, 3500, Diesel


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Items 61-120 of 326
Description: It doesn't matter if you're towing up a mountain, running 9 seconds on the track or pulling your best sled distance ever - get the hose and clamp kit designed to withstand over 100 PSI of boost so...More Details »
Item #: 1046275
Condition: New
Price: $294.00
Sale: $279.00
Save: 5%
Save: $15.00

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Description: The number one transmission killer is heat… Whether you are pulling heavy loads up long-steep grades, through hot-desert areas or just hauling more than you can handle, overheated oil reduces the...More Details »
Item #: 1030606-5/8
Condition: New
Price: $490.00
Sale: $465.00
Save: 5%
Save: $25.00

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Description: This is a NEW Genuine OEM Pre-Programmed unit, manufactured by the OEM supplier. No core charge required. No programming or "flashing" required.
Item #: 281010014
Condition: New
Limited Supply: Only 0 Left!
Price: $1,395.00
Sale: $1,124.40
Save: 19%
Save: $270.60

Description: The Carrillo 6.6L Duramax Pro-H Connecting Rod Set is a must have in your 2001-2010 GM 6.6L Duramax engine build. Since 1963, Carrillo is recognized as the preeminent custom connecting rod...More Details »
Item #: GM-DM66-1>H-76418H-08SET
Condition: New
Price: $3,942.00
Sale: $3,887.40
Save: 1%
Save: $54.60

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Description: These sway bar end links are a Heavy Duty replacement of the factory style end links which are notorious for breaking. Our Sway bar link kits utilize a lower clevis system which takes some of the...More Details »
Item #: 110-90252
Condition: New
Price: $80.00
Sale: $76.00
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Save: $4.00

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Description: Deviant Race Parts LEAK FREE transmission cooler repair lines for 2001-2005 LB7/LLY Duramax equipped Pickups with the Allison 1000 Transmission. •Lifetime warranty •Heavy Duty 1/2" Lines...More Details »
Item #: 73411
Condition: New
Price: $237.50
Sale: $220.00
Save: 7%
Save: $17.50

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Description: Deviant Race Parts LEAK FREE transmission cooler repair lines for 2001-2005 LB7/LLY Duramax equipped Pickups with the Allison 1000 Transmission. •Lifetime warranty •Heavy Duty 5/8" Lines...More Details »
Item #: 73421
Condition: New
Price: $270.00

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Description: The DiabloSport Extreme PowerPuck is one of the most powerful inline devices available today. Using the 'Diablo Dial' you can adjust up to 100 different power levels 'on the fly' which can yield up...More Details »
Item #: P2000
Condition: New
Price: $359.00
Sale: $341.95
Save: 5%
Save: $17.05

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Description: FOR 2001, 2002, 2003, 2004 & 2005 - CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) - 4" ALUMINIZED - PERFORMANCE DIESEL EXHAUST KIT - CATALYTIC CONVERTER BACK DUAL
Item #: K4112A
Condition: New
Price: $720.29
Sale: $356.10
Save: 51%
Save: $364.19

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Description: FOR 2001, 2002, 2003, 2004 & 2005 - CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) - 4" ALUMINIZED - PERFORMANCE DIESEL EXHAUST KIT - CATALYTIC CONVERTER BACK DUAL
Item #: K4112A-RP
Condition: New
Price: $651.69
Sale: $323.28
Save: 50%
Save: $328.41

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Description: FOR 2001, 2002, 2003, 2004 & 2005 - CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) - 4" T409 STAINLESS STEEL - PERFORMANCE DIESEL EXHAUST KIT - CATALYTIC CONVERTER BACK DUAL
Item #: K4112S
Condition: New
Price: $891.79
Sale: $438.15
Save: 51%
Save: $453.64

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Description: FOR 2001, 2002, 2003, 2004 & 2005 - CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) - 4" T409 STAINLESS STEEL - PERFORMANCE DIESEL EXHAUST KIT - CATALYTIC CONVERTER BACK DUAL
Item #: K4112S-RP
Condition: New
Price: $823.19
Sale: $405.33
Save: 51%
Save: $417.86

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Description: FOR 2001, 2002, 2003, 2004 & 2005 - CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) - 4" ALUMINIZED - PERFORMANCE DIESEL EXHAUST KIT - CATALYTIC CONVERTER BACK SINGLE
Item #: K4110A
Condition: New
Price: $531.64
Sale: $265.85
Save: 50%
Save: $265.79

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Description: FOR 2001, 2002, 2003, 2004 & 2005 - CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) - 4" ALUMINIZED - PERFORMANCE DIESEL EXHAUST KIT - CATALYTIC CONVERTER BACK SINGLE
Item #: K4110A-RP
Condition: New
Price: $463.04
Sale: $233.02
Save: 50%
Save: $230.02

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Description: FOR 2001, 2002, 2003, 2004 & 2005 - CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) - 4" T409 STAINLESS STEEL - PERFORMANCE DIESEL EXHAUST KIT - CATALYTIC CONVERTER BACK SINGLE
Item #: K4110S
Condition: New
Price: $634.54
Sale: $315.08
Save: 50%
Save: $319.46

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Description: FOR 2001, 2002, 2003, 2004 & 2005 - CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) - 4" T409 STAINLESS STEEL - PERFORMANCE DIESEL EXHAUST KIT - CATALYTIC CONVERTER BACK SINGLE
Item #: K4110S-RP
Condition: New
Price: $565.94
Sale: $282.26
Save: 50%
Save: $283.68

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Description: Diamond T Enterprises 8 lug to 10 lug hub-centric solid steel adapters milled to specifically fit 2001-2010 Chevy/GMC 3500 dually trucks. Mount 10 lug on 285.75mm semi wheels on your dually truck....More Details »
Item #: 810GM01
Condition: New
Price: $925.00
Sale: $850.00
Save: 8%
Save: $75.00


Description: Multi-position LED switch for EFI Live. Change your EFI Live tunes while driving and have LED light indicating the current position you have selected. The LEDs light up progressively clockwise...More Details »
Item #: DSPBBG
Condition: New
Price: $125.00
Sale: $75.00
Save: 40%
Save: $50.00

Free Shipping on orders over $100

Description: For clean, quiet, aggressive stopping power, install a set of Diamond T Enterprises Performance Brake Pads Today! These semi metallic high performance brake pads are formulated for aggressive...More Details »
Item #: DTE-MD784
Condition: New
Price: $115.45
Sale: $92.36
Save: 20%
Save: $23.09

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Description: Performance Slotted Brake Rotors will help you stay safe. Aggressive driving, stop and go traffic or driving down a steep mountain road can cause excessive heat. At higher braking temperatures...More Details »
Item #: DTE-T55-062
Condition: New
Price: $300.15
Sale: $240.12
Save: 20%
Save: $60.03

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Description: Performance Slotted Brake Rotors will help you stay safe. Aggressive driving, stop and go traffic or driving down a steep mountain road can cause excessive heat. At higher braking temperatures...More Details »
Item #: DTE-T55-075
Condition: New
Price: $332.67
Sale: $266.13
Save: 20%
Save: $66.54

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Description: These Torque Converters are built in the USA with the highest grade components and come with a Lifetime Non-Transferable Warranty for defects in material and workmanship under normal and proper...More Details »
Item #: GS0155
Condition: New
Price: $505.67
Sale: $421.39
Save: 17%
Save: $84.28


Description: These Torque Converters are built in the USA with the highest grade components and come with a Lifetime Non-Transferable Warranty for defects in material and workmanship under normal and proper...More Details »
Item #: GT0110
Condition: New
Price: $1,530.07
Sale: $1,275.06
Save: 17%
Save: $255.01


Description: DieselRx manufactures and supplies glow plugs, both metal sheath and open coil type, for most major brands and diesel engine manufacturers worldwide. DieselRx is the leading U.S. manufacturer of...More Details »
Item #: 58
Condition: New
Price: $17.99
Sale: $11.64
Save: 35%
Save: $6.35
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Description: FOR STOCK TURBO APPLICATIONS FROM 2001-2004 • New Design • Lower EGT's • Faster Spool • Increased Boost • Greatly Improves Throttle Response • Machined billet aluminum •...More Details »
Item #: WWLB7
Condition: New
Price: $259.00

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Description: The EvoHT is a premium hand-held performance tuner from Edge Products. The EvoHT was developed specifically to give you the most power at the best price, with industry leading service and quality...More Details »
Item #: 26000
Condition: New
Not Available
Part is currently out of stock
Price: $473.75
Sale: $379.00
Save: 20%
Save: $94.75

Description: The Evolution CS in-cab controller, monitor and digital gauge display features a full-color, high-resolution 2.4-inch, button-controlled screen. The CS features a rugged case, user-friendly...More Details »
Item #: 85100
Condition: New
The part is on limited supply and has superseded to part number EDG85300 CS Diesel Evolution 2001-10 GM Duramax 6.6L 1994-10 For
This product can not be shipped to CA, CO or AZ.
Price: $623.75
Sale: $499.00
Save: 20%
Save: $124.75


Description: The Evolution CTS in-cab controller, monitor and digital gauge display features a full-color, high-resolution 4.3", touch screen. The CTS comes equipped with a video-in port allowing users to...More Details »
Item #: 85200
Condition: New
Please Call for Availability
The part has been discontinued. Replaced by 16040 FORD DIESEL/GAS EVO HT2 (Diesel 99-15 & Gas 99-15)
This product can not be shipped to CA, CO or AZ.

Call For Price: 1-855-KTPERFORMANCE
Description: 6 On-the-Fly Adjustable Power Levels. Full-color, high-resolution, 2.4 inch button-controlled screen (CS). Up to an Additional 150 HP and 350 ft lb Torque. Increase Fuel Economy. Greatly Improves...More Details »
Item #: 21000
Condition: New
Please Call for Availability
Superceded to par number EDG21400 2001-2004 GM DURAMAX (6.6L) JUICE W/ATTITUDE CS.

Call For Price: 1-855-KTPERFORMANCE
Description: The Attitude CS upgrade kits are for existing Juice and legacy Attitude owners. An upgrade kit allows you to keep your existing Juice product and gives you the added style and control of the all-new Attitude CS.
Item #: 83500
Condition: New
Please Call for Availability
Part has been discontinued but still have small stock.

Call For Price: 1-855-KTPERFORMANCE
Description: 2 position switch for EFI Live. Change your EFI Live tunes while driving. Also included but not pictured is protective wire loom.
Item #: DSP2LB7
Condition: New
Price: $39.99
Sale: $34.99
Save: 13%
Save: $5.00
Free Shipping on orders over $100
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Description: Multi-position switch for EFI Live. Change your EFI Live tunes while driving. Also included but not pictured is protective wire loom.
Item #: DSP5LB7
Condition: New
Price: $44.99
Sale: $39.99
Save: 11%
Save: $5.00
Free Shipping on orders over $100
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Description: Multi-position keylock switch for EFI Live. Change your EFI Live tunes while driving. They are five position switches and come with two keys. The keys are removable in position 1, 3, and 5....More Details »
Item #: DSP5KLLB7
Condition: New
Price: $59.99

Free Shipping on orders over $100
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Description: Includes: -FlashScan V2 interface device -EFILive Scan and Tune software installation CD -2 x AD-2 external input connectors -EFILive OBDII cable (J1962-A to RJ45) -EFILive USB cable (USB-A to...More Details »
Item #: FS2-03
Condition: New
Price: $1,389.00
Sale: $1,299.00
Save: 6%
Save: $90.00


Description: Includes: -FlashScan V2 interface device -EFILive Scan and Tune software installation CD -2 x AD-2 external input connectors -EFILive OBDII cable (J1962-A to RJ45) -EFILive USB cable (USB-A to...More Details »
Item #: FS2-GM
Condition: New
Price: $999.00
Sale: $899.00
Save: 10%
Save: $100.00

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Description: * Endurance Truck Accessories Nerf Bars are easy bolt-on truck accessories that add beauty to your truck while being functional at the same time. Our selection of sturdy 3" SIDE BARS, 4" &...More Details »
Item #: ETA-105BK
Condition: New
Price: $203.41
Sale: $161.94
Save: 20%
Save: $41.47

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Description: * Endurance Truck Accessories Nerf Bars are easy bolt-on truck accessories that add beauty to your truck while being functional at the same time. Side Bars 5 Inch Oval Stainless...More Details »
Item #: ETA-105-OVAL-SS
Condition: New
Price: $367.41
Sale: $291.94
Save: 21%
Save: $75.47

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Description: * Endurance Truck Accessories Nerf Bars are easy bolt-on truck accessories that add beauty to your truck while being functional at the same time. Side Bars 5 Inch Oval Stainless...More Details »
Item #: ETA-109-OVAL-SS
Condition: New
Price: $367.41
Sale: $291.94
Save: 21%
Save: $75.47

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Description: * Endurance Truck Accessories Nerf Bars are easy bolt-on truck accessories that add beauty to your truck while being functional at the same time. Side Bars 6 Inch Oval Stainless More Details »
Item #: ETA-6105-OVAL-SS
Condition: New
Price: $556.45
Sale: $475.80
Save: 14%
Save: $80.65

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Description: * Endurance Truck Accessories Nerf Bars are easy bolt-on truck accessories that add beauty to your truck while being functional at the same time. Side Bars 6 Inch Oval Stainless More Details »
Item #: ETA-6109-OVAL-SS
Condition: New
Price: $556.45
Sale: $475.80
Save: 14%
Save: $80.65

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Description: New, Reman, and Customer Injectors Modified to Flow at Nearly Any Level Unlimited nozzle flow increases via EDM and Hone (if you have the air, we can get you the fuel) Nozzles flow balanced...More Details »
Item #: E01 10102
Condition: New
Price: $2,360.00


Description: New, Reman, and Customer Injectors Modified to Flow at Nearly Any Level Unlimited nozzle flow increases via EDM and Hone (if you have the air, we can get you the fuel) Nozzles flow balanced...More Details »
Item #: E01 10108
Condition: New
Price: $3,796.40


Description: New, Reman, and Customer Injectors Modified to Flow at Nearly Any Level Unlimited nozzle flow increases via EDM and Hone (if you have the air, we can get you the fuel) Nozzles flow balanced...More Details »
Item #: E01 10105
Condition: New
Price: $3,328.40


Description: New, Reman, and Customer Injectors Modified to Flow at Nearly Any Level Unlimited nozzle flow increases via EDM and Hone (if you have the air, we can get you the fuel) Nozzles flow balanced...More Details »
Item #: E01 10106
Condition: New
Price: $3,422.00


Description: New, Reman, and Customer Injectors Modified to Flow at Nearly Any Level Unlimited nozzle flow increases via EDM and Hone (if you have the air, we can get you the fuel) Nozzles flow balanced...More Details »
Item #: E01 10107
Condition: New
Price: $3,515.60


Description: This is a complete set of injectors for the LB7 Duramax. Exergy Perfomance LB7 Duramax injectors From the injector body to the nozzle, these injectors are designed for maximum performance.
Item #: E01 10102
Condition: New
Price: $2,360.00


Description: This is a complete set of injectors for the LB7 Duramax. Exergy Perfomance LB7 Duramax injectors (30% Over Stock) From the injector body to the nozzle, these injectors are designed for maximum performance.
Item #: E01 10105
Condition: New
Price: $3,238.40


Description: The most versatile High Performance Fuel Pump (pump only) on the market.
Item #: FAC09220G
Condition: New
Price: $1,343.55
Sale: $654.55
Save: 51%
Save: $689.00

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Description: Duramax Filter Delete, FASS Fuel Systems revolutionary new accessory for its Duramax line! As many Duramax owners know, the stock fuel filter on their truck is not only expensive to replace, but is...More Details »
Item #: DFD-4000
Condition: New
Price: $159.90
Sale: $77.90
Save: 51%
Save: $82.00

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Description: Wake up your 2001-2004 LB7 with the drop in replacement Fleece Performance LB7 Cheetah Turbocharger. Featuring a Fleece Performance custom 63mm billet compressor wheel and high flow Inconel...More Details »
Item #: FPE-LB7-63
Condition: New
Price: $2,254.88
Sale: $2,147.50
Save: 5%
Save: $107.38


Description: Brighten up your driving experience with this simple upgrade inside your fuse box. Simply install the GM All Lights On Module to allow your high-beams, low-beams and fog lamps to simultaneously...More Details »
Item #: FPE-GM-ALO-37
Condition: New
Price: $20.95
Sale: $19.95
Save: 5%
Save: $1.00
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Description: This is a complete set of injectors for the LB7 Duramax. Fleece Perfomance LB7 Duramax injectors are made from certified reman injectors that are engineered to get the most out of your Duramax...More Details »
Item #: FPE-INJ-SET-LB7-STOCK
Condition: New
Price: $2,880.00


Description: Contents: Dash 6 Oil Feed Line 90 Degree Oil Feed Fitting Engine Block Oil Feed Fitting Turbo Drain Flange Upper Turbo Drain Flange Lower Turbo Drain Flex Extension (2) 3/8 Turbo Drain Bolts...More Details »
Item #: FPE-TURBO-INST-KIT-DMAX
Condition: New
Price: $292.00
Sale: $279.00
Save: 4%
Save: $13.00


Description: Flight Diesel's line of Duramax diesel injectors are state of the art. These injectors are great reliable re-manufactured injectors. We recommend and stock Archoil & Rev-X Diesel additives for...More Details »
Item #: R986435502
Condition: New
Price: $370.00
Sale: $216.00
Save: 42%
Save: $154.00


Description: Flight Diesel's line of Duramax diesel injectors are state of the art. These injectors are great reliable re-manufactured injectors. We recommend and stock Archoil & Rev-X Diesel additives for...More Details »
Item #: R986435502-P30
Condition: New
Price: $370.00
Sale: $276.00
Save: 25%
Save: $94.00


Description: This is a GM factory replacement gear for the CP3 fuel injection pump.
Item #: 97226128
Condition: New
Price: $184.68
Sale: $151.59
Save: 18%
Save: $33.09

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Description: 6 Position Switch Color LED Display High Idle Control Function Easy to Install ACC 12 volt Output SOTF Switch for EFI LIVE & EZ LYNK Illumination with Factory OEM Controls
Item #: GDP-DIGITALSWITCH
Condition: New
Price: $162.49
Sale: $159.99
Save: 2%
Save: $2.50


Description: Genuine OE injectors with a one year unlimited mileage warranty.
Item #: 0986435502P
Condition: New
Price: $304.00
Sale: $271.20
Save: 11%
Save: $32.80


Description: Rear Mud Flaps for trucks with with factory fender flares. Designed and styled to form fit your specific truck, cross-over or SUV, our mud flaps look like they came straight from the factory....More Details »
Item #: 57211
Condition: New
Price: $42.95
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Description: Industrial Injection Race1 injectors are built from Bosch parts, they use their EDM machine to extrude hone the nozzle to get the 100hp gain. We usually see a drop in EGT's along with a gain in...More Details »
Item #: 0986435502R1
Condition: New
Price: $425.00
Sale: $342.00
Save: 20%
Save: $83.00


Items 61-120 of 326

View Universal items for: 2003, Chevy/GMC, 3500, Diesel