50+ 2003 Chevrolet Silverado 2500 Drivetrain LT Parts

LT · Drivetrain (50 products)

Exact-fit parts for the 2003 Chevrolet Silverado 2500 LT.

AAM New Gear Set, GM, 9.5 Inch, 3.42 (41 X 12) - 40173817

American Axle & Manufacturing

Part # 40173817

Confirmed Fit

AAM New Gear Set, GM, 9.5 Inch, 3.42 (41 X 12) - 40173817

$235.16

AAM Ring Gear Bolt for GM 11.5" Differential - 26064505

American Axle & Manufacturing

Part # 26064505

Confirmed Fit

AAM Ring Gear Bolt for GM 11.5" Differential - 26064505

$6.50

AAM New Gear Set, GM, 9.5 Inch, 4.1 (41 X 10) - 40033637

American Axle & Manufacturing

Part # 40033637

Confirmed Fit

AAM New Gear Set, GM, 9.5 Inch, 4.1 (41 X 10) - 40033637

$174.90

AAM New Gear Set, GM/Dodge, 11.5 Inch, 4.1 (41 X 10) - 40094550

American Axle & Manufacturing

Part # 40094550

Confirmed Fit

AAM New Gear Set, GM/Dodge, 11.5 Inch, 4.1 (41 X 10) - 40094550

$301.09

AAM New Gear Set, GM, 9.25 Inch Front Salisbury, 3.73 (41 X 11) - 40058536

American Axle & Manufacturing

Part # 40058536

Confirmed Fit

AAM New Gear Set, GM, 9.25 Inch Front Salisbury, 3.73 (41 X 11) - 40058536

$235.16

AAM Pinion Flange w/ deflector (26020547) and sleeve (26060971) - 26060881

American Axle & Manufacturing

Part # 26060881

Confirmed Fit

AAM Pinion Flange w/ deflector (26020547) and sleeve (26060971) - 26060881

$49.72

AAM Axle Seal, GM 10.5 and 11.5" axles up to 2010 - 15823962

American Axle & Manufacturing

Part # 15823962

Confirmed Fit

AAM Axle Seal, GM 10.5 and 11.5" axles up to 2010 - 15823962

$24.39

AAM Pinion Seal, 8.25" & 9.25" - 40007712

American Axle & Manufacturing

Part # 40007712

Confirmed Fit

AAM Pinion Seal, 8.25" & 9.25" - 40007712

$9.27

AAM 32 spline Nickel Plated Slip Yoke with 1415 U-Joint, 03-20 Gm Trucks - 40021530

American Axle & Manufacturing

Part # 40021530

Confirmed Fit

AAM 32 spline Nickel Plated Slip Yoke with 1415 U-Joint, 03-20 Gm Trucks - 40021530

$79.73

AAM Differential Spider and Pinion Gear Kit - 74045936

American Axle & Manufacturing

Part # 74045936

Confirmed Fit

AAM Differential Spider and Pinion Gear Kit - 74045936

$70.32

American Axle & Manufacturing

Part # 74067009

Confirmed Fit

AAM Master Bearing Kit - 74067009

$143.64

AAM Drive Pinion Gear Bearing Retainer Bolt, GM 10.5 in. Rear Axle, All Years - 40018119

American Axle & Manufacturing

Part # 40018119

Confirmed Fit

AAM Drive Pinion Gear Bearing Retainer Bolt, GM 10.5 in. Rear Axle, All Years - 40018119

$4.60

AAM New Output Shaft, GM 9.25 Inch Clamshell - Front Axle, Left - 40057071

American Axle & Manufacturing

Part # 40057071

Confirmed Fit

AAM New Output Shaft, GM 9.25 Inch Clamshell - Front Axle, Left - 40057071

$69.27

AAM Sleeve to adapt standard yoke to use late model triple lip pinion seal - 26060975

American Axle & Manufacturing

Part # 26060975

Confirmed Fit

AAM Sleeve to adapt standard yoke to use late model triple lip pinion seal - 26060975

$10.85

AAM New GM/Chrysler Differential Carrier - Internal Gears - 40035046

American Axle & Manufacturing

Part # 40035046

Confirmed Fit

AAM New GM/Chrysler Differential Carrier - Internal Gears - 40035046

$258.62

AAM New Gear Set, GM , 10.5 Inch, 4.1 (41 X 10) - 40070463

American Axle & Manufacturing

Part # 40070463

Confirmed Fit

AAM New Gear Set, GM , 10.5 Inch, 4.1 (41 X 10) - 40070463

$295.79

American Axle & Manufacturing

Part # 74050005

Confirmed Fit

AAM Output Shaft Seal Kit - 74050005

$34.45

American Axle & Manufacturing

Part # 40042937

Confirmed Fit

AAM PLUG, FILL/DRAIN - 40042937

$6.44

AAM New Gear Set, GM/RAM, 11.50 Inch, 3.42 (41 X 12) - 40101174

American Axle & Manufacturing

Part # 40101174

Confirmed Fit

AAM New Gear Set, GM/RAM, 11.50 Inch, 3.42 (41 X 12) - 40101174

$338.91

AAM Left Hand Thread Ring Gear Bolt - 14012703

American Axle & Manufacturing

Part # 14012703

Confirmed Fit

AAM Left Hand Thread Ring Gear Bolt - 14012703

$4.51

Frequently Asked Questions

Do these parts fit my 2003 Chevrolet Silverado 2500 LT?

This page groups parts listed for the 2003 Chevrolet Silverado 2500 LT. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What drivetrain options are available for my 2003 Chevrolet Silverado 2500 LT?

We offer a wide selection of drivetrain parts for the 2003 Chevrolet Silverado 2500 LT. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 2003 Chevrolet Silverado 2500 LT?

We carry parts from trusted brands including American Axle & Manufacturing, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 2003 Chevrolet Silverado 2500 LT parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 2003 Chevrolet Silverado 2500 LT parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

2003 Chevrolet Silverado 2500(4,028 parts)

Shop by Problem

Other Chevrolet Silverado 2500 Years

2003 Chevrolet Silverado 2500(4,028 parts)

Shop by Problem

Other Chevrolet Silverado 2500 Years

LT · Drivetrain (50 products)

AAM New Gear Set, GM, 9.5 Inch, 3.42 (41 X 12) - 40173817

AAM Ring Gear Bolt for GM 11.5" Differential - 26064505

AAM New Gear Set, GM, 9.5 Inch, 4.1 (41 X 10) - 40033637

AAM New Gear Set, GM/Dodge, 11.5 Inch, 4.1 (41 X 10) - 40094550

AAM New Gear Set, GM, 9.25 Inch Front Salisbury, 3.73 (41 X 11) - 40058536

AAM Pinion Flange w/ deflector (26020547) and sleeve (26060971) - 26060881

AAM Axle Seal, GM 10.5 and 11.5" axles up to 2010 - 15823962

AAM Pinion Seal, 8.25" & 9.25" - 40007712

AAM 32 spline Nickel Plated Slip Yoke with 1415 U-Joint, 03-20 Gm Trucks - 40021530

AAM Differential Spider and Pinion Gear Kit - 74045936

AAM Master Bearing Kit - 74067009

AAM Drive Pinion Gear Bearing Retainer Bolt, GM 10.5 in. Rear Axle, All Years - 40018119

AAM New Output Shaft, GM 9.25 Inch Clamshell - Front Axle, Left - 40057071

AAM Sleeve to adapt standard yoke to use late model triple lip pinion seal - 26060975

AAM New GM/Chrysler Differential Carrier - Internal Gears - 40035046

AAM New Gear Set, GM , 10.5 Inch, 4.1 (41 X 10) - 40070463

AAM Output Shaft Seal Kit - 74050005

AAM PLUG, FILL/DRAIN - 40042937

AAM New Gear Set, GM/RAM, 11.50 Inch, 3.42 (41 X 12) - 40101174

AAM Left Hand Thread Ring Gear Bolt - 14012703

Frequently Asked Questions

Do these parts fit my 2003 Chevrolet Silverado 2500 LT?

What drivetrain options are available for my 2003 Chevrolet Silverado 2500 LT?

What brands make parts for the 2003 Chevrolet Silverado 2500 LT?

How fast do 2003 Chevrolet Silverado 2500 LT parts ship?

What warranty do your 2003 Chevrolet Silverado 2500 LT parts come with?