2003 CHEVROLET SILVERADO 1500 HD Parts & Accessories

King XP-Series Rod Bearings CR 807XPN

Rod Bearings, XP-Series, Tri-Metal, Standard Size, Narrowed, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPN

4.5 out of 5 stars ( 14 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Street / Strip Series 8mm 300 Ohm Ignition Wires SUM-867828R

Spark Plug Wires, Street / Strip Series, 8mm, 300 Ohm, Red, 9" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867828R

4.45 out of 5 stars ( 101 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Melling Oil Pumps M295

Melling Oil Pumps M295

Oil Pump, Wet Sump Style, Standard-volume, Standard-pressure, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saab, Small Block LS, Each

Part Number: MEL-M295

4.85 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

ACDelco Engine Oil Pressure Indicator Switches 12677836

Oil Pressure Sensor, Engine, Steel/Plastic, Black/Natural, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Each

Part Number: ADO-12677836

4.27 out of 5 stars ( 22 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Dorman Rear Main Seal Covers 635-518

Rear Main Seal Cover, Aluminum, Natural, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Kit

Part Number: RNB-635-518

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

King HP-Series Rod Bearings CR 807HPN

Rod Bearings, HP-Series, Standard Size, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807HPN

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Cometic MLS Head Gaskets C5489-040

Head Gasket, MLS, 4.100 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-040

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

ATP 168-Tooth Flexplate Z-270

Flexplate, 168-Tooth, Steel, Internal Balance, Chevy, GMC, Each

Part Number: ATP-Z270

4.43 out of 5 stars ( 42 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Chevrolet Performance Replacement Timing Chains 12646387

Timing Chain, Replacement, Single Roller, Steel, Chevy, Small Block LS, Each

Part Number: NAL-12646387

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

ACL Performance Race Series Rod Bearing Sets 8B663H-STD

Rod Bearings, Race Series, Tri-Metal, Chevrolet, Small Block, LS, Set of 8

Part Number: PEB-8B663H-STD

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Melling Timing Chain Sets 3-3SRH60SA

Timing Chain and Gear Set, Single Roller, Steel Cam Gear, Steel Crank Gear, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Small Block LS, Set

Part Number: MEL-3-3SRH60SA

4.04 out of 5 stars ( 23 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

King XP-Series Rod Bearings CR 807XPNSTDX

Rod Bearings, Tri-metal, Copper Lead Nickel, .001 in. Extra Oil Clearance, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPNSTDX

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Hastings Premium Ductile Ring Sets 2M5170

Piston Rings, Plasma-moly, 4.000 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M5170

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Belltech Street Performance Shocks 2210FF

Shocks and Struts, Street Performance Shocks, Lowered Ride Height, 5.00-7.00 in. Lowered Range, Twin-tube, Gas-charged, Rear, Chevrolet, GMC, Each

Part Number: BEL-2210FF

4.9 out of 5 stars ( 30 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Belltech Rear Shackle Kits 6400

Shackles, 2 in. Drop, 2.5 in. Wide Spring, Chevy, Dodge, Ford, GMC, Rear, Pair

Part Number: BEL-6400

4.84 out of 5 stars ( 90 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Cometic MLS Head Gaskets C15515-040

Head Gasket, MLS, Multi-Layer Steel, 4.030 in. Bore, 0.040 in. Compressed Thickness, Cadillac, Chevrolet, Pontiac, Small Block LS, Each

Part Number: CGT-C15515-040

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Dorman Knock Sensor Kits 926-084

Knock Sensors, Wiring Harness, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit

Part Number: RNB-926-084

3.24 out of 5 stars ( 21 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Chevrolet Performance Knock Sensor Wiring Harnesses 12601822

Wiring Harness, Knock Sensor Component, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: NAL-12601822

4.76 out of 5 stars ( 33 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

King XP-Series Rod Bearings CR 807XPN 010

Rod Bearings, XP-Series, Tri-Metal, .010 in. Crankshaft Undersize, Narrowed, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPN010

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Sealed Power MA Series Main Bearings 7298MA

Main Bearings, MA-Series, Bi Metal, Standard Size, Chevy, 4.8, 5.3, 5,7, 6.0L, Set of 5

Part Number: SLP-7298MA

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Summit Racing™ Street / Strip Series 8mm 300 Ohm Ignition Wires SUM-867830R

Spark Plug Wires, Street / Strip Series, 8mm, 300 Ohm, Red, 12" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867830R

4.75 out of 5 stars ( 44 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Bilstein B6 4600 Series Shocks and Struts 24-060813

Shock, 4600 Series, Monotube, Chevy, GMC, Front, Each

Part Number: BSN-24-060813

4.86 out of 5 stars ( 37 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Cometic MLS Head Gaskets C5489-051

Head Gasket, MLS, 4.100 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-051

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Vision HD 84 D Window Series Black Wheels 16x7

Wheel, 84 D Window, Steel, Gloss Black, 16 x 7 in., 4 in. Backspace, Each

Part Number: VSW-84H6781NS

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Delphi Engine Crankshaft Position Sensors SS10206

Crankshaft Position Sensor, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: DFP-SS10206

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

2003 CHEVROLET SILVERADO 1500 HD Parts and Accessories