50+ 2003 Chevrolet Silverado 2500 Drivetrain 400 SS Parts

400 SS · Drivetrain (50 products)

Exact-fit parts for the 2003 Chevrolet Silverado 2500 400 SS.

AAM Crush Collar for GM and RAM 11.5" Rear Axle 03-18 - 40011051

American Axle & Manufacturing

Part # 40011051

Confirmed Fit

AAM Crush Collar for GM and RAM 11.5" Rear Axle 03-18 - 40011051

$6.52

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 Pinion Gear Nut for GM and Ram 11.5" Axle - 40003027

American Axle & Manufacturing

Part # 40003027

Confirmed Fit

AAM Pinion Gear Nut for GM and Ram 11.5" Axle - 40003027

$7.29

AAM Ring Gear Bolt,GM 10.5" Axle with 3 Series Carrier 3.42-4.10 Ratios - 40019486

American Axle & Manufacturing

Part # 40019486

Confirmed Fit

AAM Ring Gear Bolt,GM 10.5" Axle with 3 Series Carrier 3.42-4.10 Ratios - 40019486

$4.49

American Axle & Manufacturing

Part # 40106100

Confirmed Fit

AAM Cover Pan - 40106100

$40.85

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 Pinion Seal - Triple Lip - 10.5" & 11.5" - 26064030

American Axle & Manufacturing

Part # 26064030

Confirmed Fit

AAM Pinion Seal - Triple Lip - 10.5" & 11.5" - 26064030

$13.34

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 External Spline Slip Yoke, GM SUV and Trucks 2001-2019 - 40006885

American Axle & Manufacturing

Part # 40006885

Confirmed Fit

AAM External Spline Slip Yoke, GM SUV and Trucks 2001-2019 - 40006885

$55.17

American Axle & Manufacturing

Part # 26061404

Confirmed Fit

AAM Pinion Bearing Retainer - 26061404

$77.33

AAM Four Wheel Drive Actuator Motor, GM 7.25 in., 8.25 in., 9.25 in. xAxles - 40007173

American Axle & Manufacturing

Part # 40007173

Confirmed Fit

AAM Four Wheel Drive Actuator Motor, GM 7.25 in., 8.25 in., 9.25 in. xAxles - 40007173

$56.56

AAM Diff Cover Pan Gasket (11.5") - Rubber over Steel - 40005967

American Axle & Manufacturing

Part # 40005967

Confirmed Fit

AAM Diff Cover Pan Gasket (11.5") - Rubber over Steel - 40005967

$19.30

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 Master Bearing Kit, GM 9.5 in. Rear Axle, 9.25 in Front, Dodge/Ram 9.25" Front - 74067005

American Axle & Manufacturing

Part # 74067005

Confirmed Fit

AAM Master Bearing Kit, GM 9.5 in. Rear Axle, 9.25 in Front, Dodge/Ram 9.25" Front - 74067005

$116.36

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 Crush Collar for GM 10.5" Rear Axle - 26008741

American Axle & Manufacturing

Part # 26008741

Confirmed Fit

AAM Crush Collar for GM 10.5" Rear Axle - 26008741

$5.80

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 400 SS?

This page groups parts listed for the 2003 Chevrolet Silverado 2500 400 SS. 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 400 SS?

We offer a wide selection of drivetrain parts for the 2003 Chevrolet Silverado 2500 400 SS. 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 400 SS?

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 400 SS 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 400 SS 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)

2003 Chevrolet Silverado 2500(4,028 parts)

Shop by Problem

Other Chevrolet Silverado 2500 Years

400 SS · Drivetrain (50 products)

AAM Crush Collar for GM and RAM 11.5" Rear Axle 03-18 - 40011051

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 Pinion Gear Nut for GM and Ram 11.5" Axle - 40003027

AAM Ring Gear Bolt,GM 10.5" Axle with 3 Series Carrier 3.42-4.10 Ratios - 40019486

AAM Cover Pan - 40106100

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

AAM Pinion Seal - Triple Lip - 10.5" & 11.5" - 26064030

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 External Spline Slip Yoke, GM SUV and Trucks 2001-2019 - 40006885

AAM Pinion Bearing Retainer - 26061404

AAM Four Wheel Drive Actuator Motor, GM 7.25 in., 8.25 in., 9.25 in. xAxles - 40007173

AAM Diff Cover Pan Gasket (11.5") - Rubber over Steel - 40005967

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

AAM Master Bearing Kit, GM 9.5 in. Rear Axle, 9.25 in Front, Dodge/Ram 9.25" Front - 74067005

AAM Pinion Seal, 8.25" & 9.25" - 40007712

AAM Crush Collar for GM 10.5" Rear Axle - 26008741

AAM Left Hand Thread Ring Gear Bolt - 14012703

Frequently Asked Questions

Do these parts fit my 2003 Chevrolet Silverado 2500 400 SS?

What drivetrain options are available for my 2003 Chevrolet Silverado 2500 400 SS?

What brands make parts for the 2003 Chevrolet Silverado 2500 400 SS?

How fast do 2003 Chevrolet Silverado 2500 400 SS parts ship?

What warranty do your 2003 Chevrolet Silverado 2500 400 SS parts come with?