2003 CHEVROLET SILVERADO 2500 HD Melling Parts and Accessories

OIL PUMP

Part Number: MEL-M561

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Estimated Ship Date: Today

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Oil Pickup, Press Fit, Stock Pan Style, 3/4 in. Tube Diameter, Chevy, GMC, Big Block, V8, Each

Part Number: MEL-241S

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Kit

Part Number: MEL-MPE-900BR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Timing Chain and Gear Set, Single Roller, Billet Steel/Steel Sprockets, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, V8, Set

Part Number: MEL-48560T-9

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Engine Oil Pump, Stock Replacement Oil P

Part Number: MEL-M295HV-324S

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Oil Pump Springs, High-Pressure, Steel, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Set of 5

Part Number: MEL-29555

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

LIFTER AND TRAY SET

Part Number: MEL-JBK-8100

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Estimated Ship Date: Mar 16, 2026 if ordered today

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• Special Order

Engine Camshaft, High Performance Camshaft

Part Number: MEL-22307

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Oil Pickup, Press Fit, Stock Pan Style, 0.750 in. Tube Diameter, Chevy, GMC, Big Block, Each

Part Number: MEL-307S

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Lubricant, Engine Assembly, Break-In, 4 oz., Each

Part Number: MEL-M-10012

5.0 out of 5 stars ( 7 )

Cannot be shipped Internationally

• Restricted

Timing Chain Dampener Brackets, Steel, Black, Chain Damper, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Small Block LS, Kit

Part Number: MEL-BD417-BRKT

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Part Number: MEL-M307

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Camshaft and Lifter Kit, Hydraulic Roller, Chevy, LS, Kit

Part Number: MEL-CL-MC1384

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CAMSHAFT

Part Number: MEL-MTC-7

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Stock Replacement Engine Valve Lifter Guide

Part Number: MEL-MLG100

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Valve Locks, Replacement, Stainless Steel, 1-Groove, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: MEL-VL-760

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TIMING SET WITH OIL PUMP

Part Number: MEL-TOPK-1004

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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• Special Order

Camshaft, Hydraulic Roller Tappet, Advertised Duration 279/268, Lift .456/.466, Chevy, LS, 5.7, 6.0L, Each

Part Number: MEL-MC1384

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Rocker Arm, Non-roller, Stud Mounting Style, Steel, Natural, Chevy, 8.1L, Each

Part Number: MEL-MR-954

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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 )

Estimated Ship Date: Today

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

Part Number: MEL-MPR-638

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Pushrod, Steel, 3/8 in. Diameter, 9.132 in. Length, Ball/Ball Ends, Each

Part Number: MEL-MPR-639

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CAHIN-TIMING SET (3)

Part Number: MEL-3-4SR50SC

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Engine Expansion, Plug Kit, Stock Replacement, Cylinder Head, 1.250 in. Diameter, Brass, Kit

Part Number: MEL-MPE-901BR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Oil Pickup, Press Fit, Stock Pan Style, 0.594 in. Tube Dia., Chevy, GMC, V8, Big Block, 6.0, 7.0, 7.4, 8.1L, Each

Part Number: MEL-353S

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Estimated Ship Date: Today