Gearhead Gifts - Find the Perfect Gift for the Gearhead on Your List!

Gearhead Gifts - Find the Perfect Gift
for the Gearhead on Your List!

$5 Off Your $100 Mobile App Purchase!

2003 CHEVROLET SILVERADO-2500-HD Parts and Accessories

Individual Parts

Results 1 - 25 of 279

On-Board Air Compressor, WirelessAir, EZ Mount, Wireless Control, Kit

Part Number: AIR-74000EZ

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

HP Tuner, MPVI3, Pro Feature Set, 8 Universal Credits, Kit

Part Number: HPT-M03-000-08

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.10 and Lower Ratios, Each

Part Number: ETN-915A545

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Steering Gear, XD, Front Steer, Power Assist, Cast Iron, Painted Black, Chevy, GMC, HD, Each

Part Number: PFN-SG039

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 10.5 in., Each

Part Number: ETN-19689-010

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 10 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20934-10

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

AirDog II-5G, DF-100-5G 2001-2010 Chevy Duramax

Part Number: PAD-A7SPBC259

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Chevy, Pickup, 6.0L, Pair

Part Number: JBA-1850S-3JS

4.79 out of 5 stars ( 14 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Fuel Injectors, 1,000 cc/min., 95 lb/hr., Chevy, Small Block LS, Set of 8

Part Number: DWK-16ULS10008

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.56 and Higher Ratios, Each

Part Number: ETN-915A547

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Air Springs, Ride-Rite Analog All-In-One, Air Compressor, Gauge, Rear, Wireless Controller, Chevrolet, GMC, Kit

Part Number: FIP-2870

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Tonneau Cover, BakFlip G2, Folding, Aluminum, Black, Chevy, GMC, 6.5 ft. Truck Bed Length, Each

Part Number: BAK-226101

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Air Springs, Ride-Rite Analog All-In-One, Air Compressor, Gauge, Rear, Chevrolet, GMC, Kit

Part Number: FIP-2869

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Control Arm, Front Upper, Black, Tubular, Chevy, GMC, Pair

Part Number: BDX-BDS121252

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Clutch Kit, Dual Friction, 1 1/8 in. Diameter Shaft, 10-Spline, 12 in. Diameter Disc, Chevy, GMC, Kit

Part Number: CTF-DF997997

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Suspension Lowering Kit, Spindle, Shackle/Hanger, 2 in. Front, 4 in.-5 in. Rear, Chevy, GMC, Kit

Part Number: MMC-33079

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Axle Carrier Bearing Puller, Kit

Part Number: YGA-56072

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Headers, Shorty, Without Air Injection, Automatic Trans. Only, With EGR Fitting, Stainless Steel, Ceramic Coated, Chevy, GMC, SUV, Pickup, 8.1L, Pair

Part Number: GIB-GP131S-C

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 5, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 5, 2025 if ordered today

HP Tuner, MPVI4, Pro Feature Set, 8 Universal Credits, Kit

Part Number: HPT-M04-000-08

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Horn, The Beast Triple Train Horn Spare Tire Kit, Includes 230 Horns and 6350 Compressor Kit, Mounts In Spare Tire Location, Kit

Part Number: KLN-USTL-230

Not Yet Reviewed

Estimated Ship Date: Nov 21, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 21, 2025 if ordered today

Clutch Kit, Stock Replacement, Organic, Throw-out Bearing, Alignment Tool, Hardware, Chevrolet, Kit

Part Number: SBB-K04202-HD

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Clutch Kit, Stage 2, Daily Driver, Throw-out Bearing, Alignment Tool, Hardware, Chevrolet, Kit

Part Number: SBB-K04202-HD-TZ

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 25, 2025 if ordered today

Water/Methanol Injection System, Stage 2.5, 2 1/2 Gallon Reservoir, LS, Kit

Part Number: SNO-2184-BRD

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 25, 2025 if ordered today

Exhaust System, American Thunder, Cat-back, Single, Stainless, Side Exit, Chevy, GMC, 6.0L LS, 8.1L, Kit

Part Number: FLO-817328

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/10/2025

...Loading

Estimated Ship Date: Monday 11/10/2025

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.