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KT Performance » 2003, Chevy/GMC, 2500, Diesel
Products for:
- Year: 2003
- Make: Chevy/GMC
- Model: 2500
- Engine: Diesel
View Universal items for: 2003 Chevy/GMC 2500 Diesel
Browse Products
Description: S&S Motorsports Diesel Fuel Injector, 45% over stock injectors with stock nozzles.
****You will need to order 8 to do a whole engine****
Item #: LB7-45SAC
Condition:
New
Free Ground Shipping
Price: $443.30
Description: S&S Motorsports Diesel Fuel Injector, 65% over stock injectors with stock nozzles.
****You will need to order 8 to do a whole engine****
Item #: LB7-65SAC
Condition:
New
Free Ground Shipping
Price: $429.00
Description: S&S Motorsports Diesel Fuel Injector, 100% over stock injectors.
****You will need to order 8 to do a whole engine****
Item #: LB7-100SAC
Condition:
New
Free Ground Shipping
Price: $455.00
Description: 1 ea ½? Return Hose Assembly (118-01E1-0)
1 ea ½? Feed Hose Assembly (118-01E3-0)
1 ea 5/8? Suction Hose Assembly (118-01E2-0)
1 ea Pump Power Harness
1 ea Wiring Harness
Item #: 11804
Condition:
New
Price: $289.05
Description: The Aeromotive diesel lift pump was developed to solve some key issues in the diesel lift pump market, most notably the ¼ tank issue, the pressure control issue, and motor shaft seal failures....More Details »
Item #: 11801
Condition:
New
Free Ground Shipping
Price: $2,056.29
![aFe - aFe Power BladeRunner Exhaust Manifold for Chevy/GMC (2001-16) V8-6.6L [td] Duramax, Ported Ductile Iron](/images/T25408161)
![aFe - aFe Power BladeRunner Exhaust Manifold for Chevy/GMC (2001-16) V8-6.6L [td] Duramax, Ported Ductile Iron](https://ktperformance.net/images/T143847229.jpg)
Description: aFe Power BladeRunner Exhaust Manifold for Chevy/GMC V8-6.6L [td] Duramax, Ported Ductile Iron
Details
•Outflows the factory exhaust manifolds by 6%, improving performance and throttle...More Details »
Item #: 46-40024
Condition:
New
Free Ground Shipping
Price: $1,012.99
Sale: $843.99
Save: 17%
Save: $169.00
![aFe - aFe Power Magnum FORCE Stage-2 Cold Air Intake System for Chevy/GMC (2001-04) V8-6.6L [td] LB7 Duramax, Pro 5R](https://ktperformance.net/images/T25021002.jpg)
Description: aFe Power Magnum FORCE Stage-2 Cold Air Intake System for Chevy/GMC V8-6.6L [td] LB7 Duramax, Pro 5R
This Stage 2 cold air intake system produces 12 HP and 28 lbs. x ft. of torque and outflows...More Details »
Item #: 54-10782
Condition:
New
Free Ground Shipping
Price: $568.99
Sale: $473.99
Save: 17%
Save: $95.00
![aFe - aFe Power Momentum HD Cold Air Intake System for Chevy/GMC (2001-04) V8-6.6L [td] LB7 Duramax, Pro 10R](https://ktperformance.net/images/T109296530.jpg)
Description: aFe Power Momentum HD Cold Air Intake System for Chevy/GMC V8-6.6L [td] LB7 Duramax, Pro 10R
Bringing you the next generation of intakes, the Momentum HD sealed air intake system is designed...More Details »
Item #: 50-74001
Condition:
New
Free Ground Shipping
Price: $625.99
Sale: $520.99
Save: 17%
Save: $105.00
Description: All necessary mounting brackets
All of the hardware needed for installation
Internal jounce bumper prevents damage when driving with an empty air bag
2 air springs
Air lines
Schrader valve
Fully-illustrated installation guide
Item #: 88275
Condition:
New
Free Ground Shipping
Price: $653.98
Sale: $583.91
Save: 11%
Save: $70.07
NEW!
Description: • 4 Bearing Motor with Intermediate Shaft
• Larger Ports Over Previous Pumps
• Diaphragm Fuel Pressure Regulator
• Demand Flow Design
• Reduced Aeration From Low Flow Return
•...More Details »
Item #: A7SPBC259
Condition:
New
Price: $815.00
Sale: $788.00
Save: 3%
Save: $27.00
Free Shipping
Description: AirDog II-5G DF-165-5G Fuel System for Chevy/GMC 6.6L Duramax
This is the AirDog II-5G DF-165-5G fuel system for the 2001-2010 Chevy/GMC Duramax 6.6L Diesel. This diesel lift pump mounts to the...More Details »
Item #: A7SABC509
Condition:
New
Price: $980.99
Sale: $816.00
Save: 17%
Save: $164.99
Free Shipping
Description: American Force Blade
Item #: AFTJ76D22-1-21
Condition:
New
Please Call for Availability
American Force Blade
8"x6.5"
Polished Finish
Free Ground Shipping
Description: American Force Independence
8"x6.5"
Polished Finish
Item #: AFTJ11D22-1-21
Condition:
New
Please Call for Availability
Free Ground Shipping
Description: American Force Octane
Item #: AFTJ74D22-1-21
Condition:
New
Please Call for Availability
8x6.5 Lug Pattern
20x12
Polished Finish
Free Ground Shipping
Description: If your building an extremely high horsepower engine you need to start with the strong foundation, ARP (Automotive Racing Products) is already known for their quality fasteners. The Custom Aged 625...More Details »
Item #: 230-4202
Condition:
New
Free Ground Shipping
Price: $2,200.00
Sale: $1,999.95
Save: 9%
Save: $200.05
Description: If your building a high horsepower engine you need to start with the strong foundation, ARP (Automotive Racing Products) is known for their quality fasteners. These studs have strength up to 190,000psi.
Item #: 230-4201
Condition:
New
Free Ground Shipping
Price: $840.00
Sale: $759.95
Save: 10%
Save: $80.05
Description: If your building a high horsepower engine you need to start with the strong foundation, ARP (Automotive Racing Products) is known for their quality fasteners. Kit includes cross bolts.
Item #: 230-5401
Condition:
New
Free Ground Shipping
Price: $330.00
Sale: $299.95
Save: 9%
Save: $30.05
Description: This billet steel input shaft is made to fix a weak link in your GM Duramax truck with Allison transmission.
Item #: 3049104248
Condition:
New
Price: $951.99
Sale: $793.00
Save: 17%
Save: $158.99
Description: The ATS Billet output shaft is part of the back bone of your transmission. It is the first hard part to bring power into the transmission and transmit that power to the wheels. With no dampening...More Details »
Item #: 3049204248
Condition:
New
Price: $594.99
Sale: $495.00
Save: 17%
Save: $99.99
Description: ATS manufactured Allison C4 clutch pack for Chevy/GMC 2001-2008
Item #: 3139944248
Condition:
New
Please Call for Availability
Description: 2001-2010 Allison C5 clutch pack
Item #: 3088054248
Condition:
New
Price: $365.99
Sale: $304.50
Save: 17%
Save: $61.49
Description: ATS Allison Co-Pilot Transmission Controller for Chevy/GMC 6.6L Duramax, LB7/LLY, 5-Speed
The Co-Pilot for the 2001-05 Allison 1000 makes it possible to transfer increased power levels over...More Details »
Item #: 6019004248
Condition:
New
Please Call for Availability
Description: ATS Extra Deep Transmission Pan - Allison LCT1000/2000 Automatic Deep Pan Features Include:
Deep filter and gasket necessary for the install
Holds an extra 5 quarts of fluid over stock...More Details »
Item #: 3019004248
Condition:
New
Price: $447.99
Sale: $372.75
Save: 17%
Save: $75.24
Description: Standard in all transmission packages, and available individually, is the ATS Five Star Torque Converter. This torque converter is built to handle daily driving and towing duties while delivering...More Details »
Item #: 3029514248
Condition:
New
Price: $1,766.99
Sale: $1,471.75
Save: 17%
Save: $295.24
Description: Standard in all transmission packages, and available individually, is the ATS Five Star Torque Converter. This torque converter is built to handle daily driving and towing duties while delivering...More Details »
Item #: 3029524248
Condition:
New
Price: $1,766.99
Sale: $1,471.75
Save: 17%
Save: $295.24
Description: Standard in all transmission packages, and available individually, is the ATS Five Star Torque Converter. This torque converter is built to handle daily driving and towing duties while delivering...More Details »
Item #: 3029534248
Condition:
New
Price: $1,766.99
Sale: $1,471.75
Save: 17%
Save: $295.24
Description: ATS Allison Five Star Torque Converter for Chevy/GMC 6.6L Duramax 2100-2500 RPM Stall Speed with 300mm Housing Allison LCT1000
Five Star Viskus Clutch Drive Torque Converter HIGH STALL for the...More Details »
Item #: 3029554248
Condition:
New
Price: $2,053.99
Sale: $1,710.99
Save: 17%
Save: $343.00
Description: Standard in all transmission packages, and available individually, is the ATS Five Star Torque Converter. This torque converter is built to handle daily driving and towing duties while delivering...More Details »
Item #: 3029454248
Condition:
New
Price: $1,647.99
Sale: $1,372.69
Save: 17%
Save: $275.30
Description: Cooler line fitting, Late Allison 2003-Present.
Item #: 3140054272
Condition:
New
Price: $36.99
Sale: $35.00
Save: 5%
Save: $1.99
Description: This Billet Output Shaft fits GM 6.6L Duramax 4x4 Trucks with Duramax Engine and Allison LCT-1000 Transmissions.
Item #: 3049304248
Condition:
New
Price: $900.99
Sale: $750.00
Save: 17%
Save: $150.99
Description: ATS Allison Performance Valve Body for Chevy/GMC 2003-2005 6.6L Duramax LCT1000 5-Speed.
Item #: 3039004272
Condition:
New
Price: $1,029.99
Sale: $857.68
Save: 17%
Save: $172.31
Description: ATS Allison Pressure Regulator Valve for Chevy/GMC 2001-2004 6.6L Duramax.
Item #: 3030104248
Condition:
New
Price: $121.99
Sale: $101.49
Save: 17%
Save: $20.50
Description: Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative diesel truck performance products-over 600 products for one-stop...More Details »
Item #: 3039044248
Condition:
New
Price: $185.99
Sale: $154.50
Save: 17%
Save: $31.49
Description: ATS TripleLok Torque Converter for Chevy/GMC 6.6L Duramax
Item #: 3029304248
Condition:
New
Price: $1,522.99
Sale: $1,268.75
Save: 17%
Save: $254.24
Description: ATS Aurora 3000 AFR Turbocharger, Duramax Includes new wastegate actuator (Aftermarket Factory Replacement). If you want a turbo that has a clean install, faster spool time, and greater tow...More Details »
Item #: 2023024248
Condition:
New
Price: $2,905.99
Sale: $2,421.05
Save: 17%
Save: $484.94
Description: All ATS transmissions are designed to handle extreme power and heavy loads, and then dyno tested to ensure reliable functionality and high performance. ATS transmissions eliminate the factory...More Details »
Item #: 3099134272
Condition:
New
Price: $5,761.14
Sale: $4,800.95
Save: 17%
Save: $960.19
Description: All ATS transmissions are designed to handle extreme power and heavy loads, and then dyno tested to ensure reliable functionality and high performance. ATS transmissions eliminate the factory...More Details »
Item #: 3099154272
Condition:
New
Price: $5,761.14
Sale: $4,800.95
Save: 17%
Save: $960.19
Description: All ATS transmissions are designed to handle extreme power and heavy loads, and then dyno tested to ensure reliable functionality and high performance. ATS transmissions eliminate the factory...More Details »
Item #: 3099234272
Condition:
New
Price: $6,973.06
Sale: $5,810.88
Save: 17%
Save: $1162.18
Description: All ATS transmissions are designed to handle extreme power and heavy loads, and then dyno tested to ensure reliable functionality and high performance. ATS transmissions eliminate the factory...More Details »
Item #: 3099254272
Condition:
New
Price: $6,973.06
Sale: $5,810.88
Save: 17%
Save: $1162.18
Description: All ATS transmissions are designed to handle extreme power and heavy loads, and then dyno tested to ensure reliable functionality and high performance. ATS transmissions eliminate the factory...More Details »
Item #: 3099334272
Condition:
New
Price: $7,929.18
Sale: $6,607.65
Save: 17%
Save: $1321.53
Description: All ATS transmissions are designed to handle extreme power and heavy loads, and then dyno tested to ensure reliable functionality and high performance. ATS transmissions eliminate the factory...More Details »
Item #: 3099354272
Condition:
New
Price: $7,929.18
Sale: $6,607.65
Save: 17%
Save: $1321.53
Description: All ATS transmissions are designed to handle extreme power and heavy loads, and then dyno tested to ensure reliable functionality and high performance. ATS transmissions eliminate the factory...More Details »
Item #: 3099434272
Condition:
New
Price: $10,365.18
Sale: $8,637.65
Save: 17%
Save: $1727.53
Description: All ATS transmissions are designed to handle extreme power and heavy loads, and then dyno tested to ensure reliable functionality and high performance. ATS transmissions eliminate the factory...More Details »
Item #: 3099454272
Condition:
New
Price: $10,365.18
Sale: $8,637.65
Save: 17%
Save: $1727.53
Description: All ATS transmissions are designed to handle extreme power and heavy loads, and then dyno tested to ensure reliable functionality and high performance. ATS transmissions eliminate the factory...More Details »
Item #: 3099554272
Condition:
New
Price: $11,406.58
Sale: $9,505.48
Save: 17%
Save: $1901.10
Description: All ATS transmissions are designed to handle extreme power and heavy loads, and then dyno tested to ensure reliable functionality and high performance. ATS transmissions eliminate the factory...More Details »
Item #: 3099634272
Condition:
New
Price: $11,625.82
Sale: $9,688.18
Save: 17%
Save: $1937.64
Description: All ATS transmissions are designed to handle extreme power and heavy loads, and then dyno tested to ensure reliable functionality and high performance. ATS transmissions eliminate the factory...More Details »
Item #: 3099654272
Condition:
New
Price: $12,667.20
Sale: $10,556.00
Save: 17%
Save: $2111.20
Description: The New 24 Pin ATS Co-Pilot for 2001-05 GM, 5 speed Allison 1000 and 6.6L Duramax, Controls Transmission Pressure and TCC lock up based on Boost Pressure(MAP), Vehicle Speed(VSS) and Throttle Position(TPS)
Item #: 6019244248
Condition:
New
Price: $1,410.99
Sale: $1,175.00
Save: 17%
Save: $235.99
Description: Controls Transmission Pressure, TCC and Exhaust Brake Based on MAP, VSS, TPS. ***Customer supplies Sensors ****
Item #: 6019044248
Condition:
New
Price: $1,269.99
Sale: $1,175.00
Save: 7%
Save: $94.99
Description: ATS Protector Rear Differential Cover for AAM 14-Bolt 11.5 Inch. Cast aluminum construction with a black powder coat finish. Kit.
Item #: 4029156248
Condition:
New
Price: $336.99
Sale: $280.68
Save: 17%
Save: $56.31
Description: Up Pipe Kit, Direct Replacement, Both Driver and Passenger Sides, 6.6L Duramax, Includes Hardware and Gaskets.
Item #: 2041384248
Condition:
New
Price: $669.99
Sale: $558.25
Save: 17%
Save: $111.74
Description: Five Star Features and Benefits:
*Patented Square Tab Technology
*Superior torque handling capabilities
*100% lockup ability
*Increased mileage
*Increased dependability
*1650-1700 stall speed...More Details »
Item #: 3029504248
Condition:
New
Price: $1,766.10
Sale: $1,471.75
Save: 17%
Save: $294.35
Description: The ATS Fuel Rail Pressure Plug installs easily into the factory rail and eliminates the troublesome pressure relief valve to give you the peace of mind that the commanded rail pressure that your...More Details »
Item #: 7050504248
Condition:
New
Price: $35.99
Sale: $30.00
Save: 17%
Save: $5.99
Description: ATS Pulse Flow Exhaust Manifolds for the 2001 to 2004 6.6L Duramax offer far less restriction than stock manifolds and up-pipes. Channel areas were increased dramatically resulting in a 26 percent...More Details »
Item #: 2049004248
Condition:
New
Price: $1,264.99
Sale: $1,053.88
Save: 17%
Save: $211.11
Description: ATS 11.5 Inch 14-Bolt Differential Cover Fits 2001-2019 6.6L Duramax
Item #: 4029805116
Condition:
New
Price: $295.99
Sale: $280.68
Save: 5%
Save: $15.31
Description: ATS Allison Master Rebuild Kit Fits 2001-05 6.6L Duramax
Item #: 3139214248
Condition:
New
Price: $1,929.99
Sale: $1,725.50
Save: 11%
Save: $204.49
Description: ATS Stage 4 Allison LCT1000 Transmission Package, 2WD, w/ PTO, 2003- Early 2004 6.6L LB7 Duramax.
Item #: 3098434272
Condition:
New
Price: $9,392.99
Sale: $7,826.95
Save: 17%
Save: $1566.04
Description: ATS Stage 1 Allison LCT1000 Transmission Package, 2WD, 2003-2004 6.6L LB7 Duramax.
Item #: 3098124272
Condition:
New
Price: $6,436.99
Sale: $5,363.95
Save: 17%
Save: $1073.04
Description: ATS Stage 1 Allison LCT1000 Transmission Package, 2WD, with PTO, 2003-2004 6.6L LB7 Duramax.
Item #: 3098134272
Condition:
New
Price: $6,436.99
Sale: $5,363.95
Save: 17%
Save: $1073.04
Description: ATS Stage 2 Allison LCT1000 Transmission Package, 2WD, 2003-2004 6.6L LB7 Duramax.
Item #: 3098224272
Condition:
New
Price: $7,846.99
Sale: $6,538.95
Save: 17%
Save: $1308.04
Description: ATS Stage 2 Allison LCT1000 Transmission Package, 2WD, with PTO, 2003-2004 6.6L LB7 Duramax.
Item #: 3098234272
Condition:
New
Price: $7,846.99
Sale: $6,538.95
Save: 17%
Save: $1308.04
