2003 CHEVROLET SILVERADO 2500 HD Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options

Mahle Original Valve Cover Grommets GS33466

Valve Cover Grommet, Rubber, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Set of 8

Part Number: MAH-GS33466

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Speed-Pro Competition Series Main Bearings 152M1X

Main Bearings, Competition, 0.001 in. Oversize, .001 extra clearance Super Duty Alloy, 3/4 Groove, Chevy, Pontiac, 5.7L, Set of 5

Part Number: SLP-152M1X

5.0 out of 5 stars ( 1 )

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Redhorse Performance Valve Cover Oil Caps 925-10-2

-10 AN male Valve Cover Oil Cap, aluminum, black

Part Number: HSE-925-10-2

5.0 out of 5 stars ( 1 )

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ACDelco GM Genuine Parts Engine Oil Fill Caps 12573337

Engine Oil Filler Caps, GM Genuine Parts, Stock, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ADO-FC208

1.0 out of 5 stars ( 1 )

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Melling Oil Pumps M307-353S

Melling Oil Pumps M307-353S

Oil Pump and Pickup, Standard-Volume, Standard-Pressure, Chev, Big Block, 7.4L, 8.1L, Each

Part Number: MEL-M307-353S

1.0 out of 5 stars ( 1 )

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J&L Oil Separator Co. 3.0 Oil Separators 3084D-C

Oil Catch Can, Oil Separator, Round, Billet Aluminum, Clear Anodized, 3/8 in. NPT Female Threads, Driver Side, Chevy, GMC, 4.8, 5.3, 6.0, 6.2L, Kit

Part Number: JLT-3084D-C

1.0 out of 5 stars ( 1 )

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Clevite P-Series Main Bearings MS-2218P

MAIN BEARING SET

Part Number: CLE-MS2218P

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Melling Pushrods MPR-638

Pushrod, Steel, 3/8 in. Diameter, 8.190 in. Length, Ball/Ball Ends, Each

Part Number: MEL-MPR-638

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ACDelco Oil Filter Bypass Valves 25013765

Oil Bypass Valves, Filter, Chevy, GMC, V6, V8, Each

Part Number: ADO-25013765

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ACDelco O-Rings 24504031

Dipstick Replacement Parts, O-ring Seal, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Suzuki, Each

Part Number: ADO-24504031

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ACDelco Thrust Washers 89017572

Thrust Washer Bearings, Performance Usage, Stock Size, Buick, Chevrolet, GMC, Hummer, Pontiac, Pair

Part Number: ADO-89017572

5.0 out of 5 stars ( 1 )

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Sealed Power A-Series Rod Bearings 8-2555A 10

Rod Bearings, A-Series, Bi Metal, 0.010 in. Crankshaft Undersize, Chevy, Small Block, Set of 8

Part Number: SLP-8-2555A10

Not Yet Reviewed

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Trans-Dapt Performance Remote Oil Filter Relocation Kits 1222

Oil Filter Relocation Kit, Dual Filter, 30 in. Length Hoses, Kit

Part Number: TRD-1222

4.22 out of 5 stars ( 9 )

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Continental OE Technology Series Multi-V Belts 4060950

Belt, OE Technology Series, Multi-V, Serpentine, 6-Rib, 95.00 in. Length, Each

Part Number: CEL-4060950

4.63 out of 5 stars ( 8 )

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Dayco No Slack Idler Pulleys 89051

Idler Pulley, No Slack, Each

Part Number: DAC-89051

4.33 out of 5 stars ( 6 )

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King SI-Series Main Bearings MB5293SI 030

Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Set of 5

Part Number: KGB-MB5293SI030

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PRW Billet Steel Timing Sets 5034621

Timing Chain and Gear Set, Roller, Double Roller, Billet Steel Sprockets, Chevy, GMC, Small Block LS, Set

Part Number: PQX-5034621

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

PRW Pro Series Shaft-Mount Rocker Arms 60375317

ROCKER ARM KIT, PRO SERIES, GM LS Series. 4.8L-6.2L 1997-up, None Adjustable With Precision Roller Tip, 1.7 x 8mm, includes 16 Dynamic Design Rocker

Part Number: PQX-60375317

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King SI-Series Rod Bearings CR 865SI 010

Rod Bearings, 0.010 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Set of 8

Part Number: KGB-CR865SI010

5.0 out of 5 stars ( 2 )

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Chevrolet Performance Accessory Drive Components 11515768

Bolt, Accessory Drive Component, Chevrolet, LS3/LS7, 10mm x 1.5, Each

Part Number: NAL-11515768

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Pioneer Timing Cover Fasteners S-1105

Timing Cover Fasteners, Ten 1/4 in.-20 x 7/16 in. Bolts with Lock Washers, Natural, Fits Stamped Steel Covers, Chevrolet, V8, Set of 10

Part Number: PIO-S-1105

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Cloyes Replacement Timing Chains 9-4205

Timing Chain, Replacement, Single Roller, Steel, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: CLO-9-4205

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Cloyes Replacement Timing Chains 9-131-5

Replacement Timing Chain, True Roller, Chevy, Pontiac, 0.005 in. Reduced Center, Each

Part Number: CLO-9-131-5

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Dorman Oil Pans 264-068

Oil Pan, Stock Style, Rear Wet Sump, 6.50 qts. Capacity, Aluminum, Natural, Chevrolet, GMC, Each

Part Number: RNB-264-068

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Melling Timing Chain Sets 3-4SR50SC

CAHIN-TIMING SET (3)

Part Number: MEL-3-4SR50SC

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