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- Year: 2003
- Make: Chevy/GMC
- Model: 2500
View Universal items for: 2003 Chevy/GMC 2500
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Description: ATS Stage 3 Allison LCT1000 Transmission Package, 2WD, 2003-2004 6.6L LB7 Duramax.
Item #: 3098324272
Condition:
New
Price: $8,798.99
Sale: $7,331.95
Save: 17%
Save: $1467.04
Description: ATS Stage 3 Allison LCT1000 Transmission Package, 2WD, with PTO, 2003-2004 6.6L LB7 Duramax.
Item #: 3098334272
Condition:
New
Price: $8,798.99
Sale: $7,331.95
Save: 17%
Save: $1467.04
Description: ATS Stage 4 Allison LCT1000 Transmission Package, 2WD, 2003-2004 6.6L LB7 Duramax.
Item #: 3098424272
Condition:
New
Price: $9,292.99
Sale: $7,826.95
Save: 16%
Save: $1466.04
Description: ATS Stage 5 Allison LCT1000 Transmission Package, 2WD, 2003-2004 6.6L LB7 Duramax.
Item #: 3098524272
Condition:
New
Price: $11,833.99
Sale: $9,861.45
Save: 17%
Save: $1972.54
Description: ATS Stage 5 Allison LCT1000 Transmission Package, 2WD, with PTO, 2003-2004 6.6L LB7 Duramax.
Item #: 3098534272
Condition:
New
Price: $11,833.99
Sale: $9,861.45
Save: 17%
Save: $1972.54
Description: ATS Stage 1 Allison LCT1000 Transmission Package, 4WX4 2003-2004 6.6L LB7 Duramax.
Item #: 3098144272
Condition:
New
Price: $6,436.99
Sale: $5,363.95
Save: 17%
Save: $1073.04
Description: ATS Stage 1 Allison LCT1000 Transmission Package, 4X4, with PTO, 2003-2004 6.6L LB7 Duramax.
Item #: 3098154272
Condition:
New
Price: $6,436.99
Sale: $5,363.95
Save: 17%
Save: $1073.04
Description: ATS Stage 2 Allison LCT1000 Transmission Package, 4X4, 2003-2004 6.6L LB7 Duramax.
Item #: 3098244272
Condition:
New
Price: $7,846.99
Sale: $6,538.95
Save: 17%
Save: $1308.04
Description: ATS Stage 2 Allison LCT1000 Transmission Package, 4X4, with PTO, 2003-2004 6.6L LB7 Duramax.
Item #: 3098254272
Condition:
New
Price: $7,846.99
Sale: $6,538.95
Save: 17%
Save: $1308.04
Description: ATS Stage 3 Allison LCT1000 Transmission Package, 4X4, 2003-2004 6.6L LB7 Duramax.
Item #: 3098344272
Condition:
New
Price: $8,798.99
Sale: $7,331.95
Save: 17%
Save: $1467.04
Description: ATS Stage 3 Allison LCT1000 Transmission Package, 4X4, with PTO, 2003- Early 2004 6.6L LB7 Duramax.
Item #: 3098354272
Condition:
New
Price: $8,798.99
Sale: $7,331.95
Save: 17%
Save: $1467.04
Description: ATS Stage 4 Allison LCT1000 Transmission Package, 4X4, 2003- Early 2004 6.6L LB7 Duramax.
Item #: 3098444272
Condition:
New
Price: $9,698.99
Sale: $8,081.95
Save: 17%
Save: $1617.04
Description: ATS Stage 4 Allison LCT1000 Transmission Package, 4X4, with PTO, 2003-2004 6.6L LB7 Duramax.
Item #: 3098454272
Condition:
New
Price: $9,698.99
Sale: $8,081.95
Save: 17%
Save: $1617.04
Description: ATS Stage 5 Allison LCT1000 Transmission Package, 4X4, 2003-2004 6.6L LB7 Duramax.
Item #: 3098544272
Condition:
New
Price: $10,292.99
Sale: $8,576.95
Save: 17%
Save: $1716.04
Description: ATS Stage 5 Allison LCT1000 Transmission Package, 4X4, with PTO, 2003-2004 6.6L LB7 Duramax.
Item #: 3098554272
Condition:
New
Price: $10,292.99
Sale: $8,576.95
Save: 17%
Save: $1716.04
Description: ATS Stage 6 Allison LCT1000 Transmission Package, 4X4, 2003-2004 6.6L LB7 Duramax.
Item #: 3098644272
Condition:
New
Price: $12,733.99
Sale: $10,611.45
Save: 17%
Save: $2122.54
Description: ATS Stage 6 Allison LCT1000 Transmission Package, 4X4, with PTO, 2003-2004 6.6L LB7 Duramax.
Item #: 3098654272
Condition:
New
Price: $12,733.99
Sale: $10,611.45
Save: 17%
Save: $2122.54
Description: ATS Stage 4 Allison LCT1000 Transmission Package, 2WD, with PTO, 2004.5-2005 6.6L LLY Duramax.
Item #: 3098434290
Condition:
New
Price: $9,392.99
Sale: $7,826.95
Save: 17%
Save: $1566.04
Description: ATS Allison Stage 6 Rebuild Kit Fits 2001-Early 2004 6.6L Duramax
Item #: 3139064248
Condition:
New
Price: $3,958.50
Sale: $3,298.75
Save: 17%
Save: $659.75
Description: 2001 to Early 2004 GM Allison 5 speed ATS Master Rebuild kit(Stage 7).
Includes:
-ATS Co-Pilot Transmission Controller
-ATS TripleLok Torque Converter (Patented Square tab)
-ATS Pump Kit...More Details »
Item #: 3139074248
Condition:
New
Price: $5,170.42
Sale: $4,308.68
Save: 17%
Save: $861.74
Description: 2001 to Early 2004 GM Allison 5 speed ATS Master Rebuild kit(Stage 1).
Includes:
-ATS Pump Kit
-All gaskets and seals, internal and external filters and pistons
-Torque Converter...More Details »
Item #: 3139014248
Condition:
New
Price: $2,275.00
Sale: $2,161.25
Save: 5%
Save: $113.75
Description: 2001 to Early 2004 GM Allison 5 speed ATS Rebuild kit(Stage 4).
Includes:
-ATS TripleLok Torque Converter (Patented Square tab)
-ATS Pump Kit
-ATS Manufactured C1, C2 and C3 Clutch Packs...More Details »
Item #: 3139044248
Condition:
New
Price: $2,609.10
Sale: $2,478.64
Save: 5%
Save: $130.46
Description: ATS Torque converters are the industry leaders in performance and reliability. ATS torque converters are designed and built to last, whether it is daily driving, towing a boat or fifth wheeler, or...More Details »
Item #: 3021014086
Condition:
New
Please Call for Availability
Description: The GM Twin Fueler Electronic Control Box controls your second high pressure fuel pump, allowing precise rail pressure control with the Twin Fueler Fuel system. The Twin Fueler Electronic Control...More Details »
Item #: 7010194248
Condition:
New
Price: $252.99
Sale: $210.00
Save: 17%
Save: $42.99
Description: ATS Twin Fueler System for the 2002-2004 Duramax doubles the fueling capability when running large tunes and bigger injectors. The system is not only designed to work in conjunction with the...More Details »
Item #: 7019004260
Condition:
New
Price: $2,259.71
Description: ATS Twin Fueler System for the 2002-2004 Duramax doubles the fueling capability when running large tunes and bigger injectors. The system is not only designed to work in conjunction with the...More Details »
Item #: 7018004260
Condition:
New
Price: $1,679.99
Sale: $1,399.36
Save: 17%
Save: $280.63
Description: Brand new performance billet compressor wheel designed to eliminate turbo surge/flutter on the Duramax LB7. The wheel comes pre-balanced and ready to install. It is great for stock and mild...More Details »
Item #: TCWLB7-11
Condition:
New
Price: $199.99
Sale: $174.99
Save: 13%
Save: $25.00
Free Shipping
Description: • Complete Set: Includes 8 fuel lines, one for each cylinder, providing a complete solution for your fuel injection system.
• Brand New: These fuel injection lines are new, not refurbished...More Details »
Item #: FILKLB7
Condition:
New
Price: $250.00
Sale: $199.99
Save: 20%
Save: $50.01
Free Shipping
Description: Injector Brush Kits are a must have tools in your toolbox. The AVP Brush Kit provides you with the proper tools to clean the injector bore and seat. This is an import step while installing...More Details »
Item #: INJBRKPSDMAX
Condition:
New
Price: $74.99
Sale: $54.99
Save: 27%
Save: $20.00
Free Shipping
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Description: Brand new Stainless Steel T4/S300 pedestal for the 6.6L Duramax.
For custom turbo setups using T4 based turbochargers.
NOTE: This part CAN NOT ship to California due to CARB regulations.
Item #: TPK66T4
Condition:
New
Free Ground Shipping
Price: $300.00
Sale: $224.99
Save: 25%
Save: $75.01
Description: With nearly five decades of engineering airflow improvements, Banks has mastered the art of maximizing flow while minimizing backpressure. The polished straight-through Monster Muffler,...More Details »
Item #: 48630
Condition:
New
Free Ground Shipping
Price: $832.22
Sale: $749.00
Save: 10%
Save: $83.22
Description: Less restriction.
The stock intercooler is riddled with restrictions that cause turbulence, which kills airflow and power. Banks minimizes restrictions by making the flow area bigger throughout,...More Details »
Item #: 25977
Condition:
New
Free Ground Shipping
Price: $1,621.11
Sale: $1,459.00
Save: 10%
Save: $162.11
Description: When additional horsepower and torque are added to your duramax, you run the risk of cracking the stock flexplate. Designed to handle up to 1500 ft/lbs of torque, the new Duramax Black Oxide coated...More Details »
Item #: 1041260
Condition:
New
Free Ground Shipping
Price: $469.00
Sale: $444.95
Save: 5%
Save: $24.05
Description: All in one kit for doing an injector install on an LB7 Duramax engine. Includes injector line set, valve cover gasket set, Permatex Red high temp thread locker.
FEATURES
High quality gaskets...More Details »
Item #: 1050141
Condition:
New
Free Ground Shipping
Price: $835.95
Sale: $793.95
Save: 5%
Save: $42.00
Description: BD Diesel Injectors & Install Kit for Chevy/GMC 6.6L LB7 Duramax
All-in-one kit for doing an injector install on an LB7 Duramax engine. Includes BD-Built stock replacement injectors (8) injector...More Details »
Item #: 1050180
Condition:
New
Free Ground Shipping
Price: $3,119.99
Sale: $2,599.99
Save: 17%
Save: $520.00
Description: Heavy walled manifolds hold in exhaust gas temperatures to enhance turbine pumping efficiency
Optimized runners to improve velocity and evacuate the cylinders
Coated to resist corrosion...More Details »
Item #: 1041480
Condition:
New
Free Ground Shipping
Price: $704.00
Sale: $667.95
Save: 5%
Save: $36.05
Description: BD Diesel Steering Upgrade Kit for Chevy DURAMAX 1500HD / 2500 HD/3500HD Silverado Sierra
A major common weak point on Chevrolet/GM HD series trucks is the steering linkage and tie rods with...More Details »
Item #: 1032160
Condition:
New
Free Ground Shipping
Price: $944.00
Sale: $895.95
Save: 5%
Save: $48.05
Description: FEATURES
• 1" longer than factory to accommodate upgraded tie rods, and/or leveling kits
• High-strength through bolt design
• OEM style bushing shape for articulation and durability...More Details »
Item #: 1032126
Condition:
New
Price: $85.00
Sale: $79.95
Save: 6%
Save: $5.05
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
Free Ground Shipping
Price: $442.95
Sale: $419.95
Save: 5%
Save: $23.00
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
Free Ground Shipping
Price: $736.95
Sale: $699.95
Save: 5%
Save: $37.00
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!
Free Ground Shipping
Price: $1,395.00
Sale: $1,124.40
Save: 19%
Save: $270.60
Description: Genuine OE injectors with a one year unlimited mileage warranty.
Item #: 0986435502P
Condition:
New
Free Ground Shipping
Price: $304.00
Sale: $271.20
Save: 11%
Save: $32.80
Description: Compstar Xtreme Features:
• Manufactured from 4340 alloy steel
• Every rod is finished in their Ohio facility
• Includes ARP2000 bolts or H11 as standard
• Increased cross sectional...More Details »
Item #: CST6418MS0LCAX
Condition:
New
Free Ground Shipping
Price: $1,176.00
Description: Callies has developed a Duramax crankshaft that employs the industry’s best ideas. Improving the balance characteristics of this crankshaft was a primary design consideration. Increased...More Details »
Item #: D333MU@-UL
Condition:
New
Free Ground Shipping
Price: $5,200.00
Sale: $4,947.00
Save: 5%
Save: $253.00
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
Free Ground Shipping
Price: $3,942.00
Sale: $3,887.40
Save: 1%
Save: $54.60
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
Free Ground Shipping
Price: $119.99
Sale: $105.00
Save: 12%
Save: $14.99
Description: • 10-inch Front Lift Components
• SM Series Ball Joint Upper Control Arms
• Patented Pitman and Idler Arm Support Kit
• Stainless Steel extended brake lines
• HD front sway bar
•...More Details »
Item #: 110-P0998
Condition:
New
Free Ground Shipping
Price: $7,019.46
Sale: $6,606.55
Save: 6%
Save: $412.91
Description: FASS Fuel Systems Extended Length Extreme Water Separator Filter for Dodge/Ram / Chevy/GMC / Ford / Nissan / SEMI
Item #: XWS3002XL
Condition:
New
Price: $41.99
Sale: $34.99
Save: 17%
Save: $7.00
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
Free Ground Shipping
Price: $359.00
Sale: $341.95
Save: 5%
Save: $17.05
Description: Diamond Advantage offers high-quality parts that are competitively priced and built on more than 100 years of Navistar experience. That’s what sets Diamond Advantage apart — and keeps drivers...More Details »
Item #: DA2251040
Condition:
New
Please Call for Availability
Free Shipping
Description: Diamond Advantage offers high-quality parts that are competitively priced and built on more than 100 years of Navistar experience. That’s what sets Diamond Advantage apart — and keeps drivers...More Details »
Item #: DA2251040-8
Condition:
New
Please Call for Availability
Free Shipping
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
Free Ground Shipping
Price: $531.64
Sale: $389.95
Save: 27%
Save: $141.69
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
Free Ground Shipping
Price: $463.04
Sale: $334.95
Save: 28%
Save: $128.09
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
Free Ground Shipping
Price: $634.54
Sale: $459.95
Save: 28%
Save: $174.59
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
Free Ground Shipping
Price: $565.94
Sale: $404.95
Save: 28%
Save: $160.99
Description: • Completely overhauled to exceed OEM standards
• Capable of handling truck modifications, tunes, or upgrades
• 1-year warranty included
• Designed for 2001-2004 Chevy/GMC 6.6L Duramax...More Details »
Item #: FICM66LB7
Condition:
New
Free Ground Shipping
Price: $1,320.00
Sale: $1,054.99
Save: 20%
Save: $265.01
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
Description: • Completely overhauled to exceed OEM standards
• 1-year warranty included
• Designed for 2001-2005 Chevy/GMC 6.6L Duramax LB7/LLY & 8.1L Gas engines
• No need for a rebuildable core to...More Details »
Item #: TCMGMALSN5
Condition:
New
Free Ground Shipping
Price: $690.00
Sale: $549.99
Save: 20%
Save: $140.01
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 #: GS01GSD
Condition:
New
Free Ground Shipping
Price: $925.00
Sale: $729.99
Save: 21%
Save: $195.01
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 #: GT01GSD
Condition:
New
Free Ground Shipping
Price: $2,275.00
Sale: $1,929.99
Save: 15%
Save: $345.01
