2003 CADILLAC Oiling Systems

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

Part Number: MEL-10296

4.7 out of 5 stars ( 74 )

Estimated Ship Date: Today

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

Part Number: MEL-10295

4.67 out of 5 stars ( 51 )

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

Part Number: MEL-M295HV

4.94 out of 5 stars ( 31 )

Estimated Ship Date: Today

Oil Pump, Standard Volume, Chevrolet, 4.8/5.3/5.7/6.0/6.2L, Each

Part Number: NAL-12710303

5.0 out of 5 stars ( 6 )

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Oil Filter Relocation Kit, Single Filter, 3/4-16 in. Filter Threads, Various Engine Threads, Kit

Part Number: DER-15748

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Today

Oil Pan, Stock, Aluminum, Natural, Cadillac, Chevrolet, GMC, Hummer, 4.8L, 5.3L, 6.0L, Each

Part Number: RNB-264-135

4.6 out of 5 stars ( 10 )

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Oil Filter Relocation Kit, Single Filter, 3/4-16 in. Filter Threads, Various Engine Threads, Low Profile, Kit

Part Number: DER-15780

1.0 out of 5 stars ( 1 )

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Engine Oil Pump, Stock Replacement Oil P

Part Number: MEL-M295HV-324S

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Oil Filter, Spin-on, 35 Microns, 13/16-16 in., 3/4-16 in., 3 in. O.D., Each

Part Number: SOF-210-561

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Oil Filter, Spin-on, 35 Microns, 13/16-16 in., 3/4-16 in., 3 in. O.D., 3.75 in. High, Each

Part Number: SOF-210-361

5.0 out of 5 stars ( 2 )

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Catch Can, PCV, 7 oz. Capacity, -10 AN O-Ring, Billet Aluminum, Black, Cadillac, Chevy, GMC, Kit

Part Number: RDM-20-0233-FL

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Oil Pump, OEM Replacement, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: SLP-224-43645

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Oil Pump, Standard-Volume, Cadillac, Oldsmobile, 4.6/4.0L, V8, Each

Part Number: MEL-M188

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Estimated Ship Date: May 8, 2026 if ordered today

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Standard Oil Filter Relocation Kit, Dual Filter, 3/4-16 in. Filter Threads, 13/16-16 in. Engine Threads, Kit

Part Number: PRM-10714

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 6, 2026 if ordered today

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OIL PAN

Part Number: SGT-GMP71A

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Engine Oil Pan

Part Number: ATP-103384

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Estimated Ship Date: Apr 24, 2026 if ordered today

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ENGINE OIL PAN

Part Number: SGT-GMP109A

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Engine Oil Pump 93-11 BUI/CAD/OLD/PON 4.0L/4.6L

Part Number: EGN-EP188

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Estimated Ship Date: May 4, 2026 if ordered today

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Engine Oil Pump 97-20 BUI/CAD/CHV/GM/GMC/Hummer/IZU/PON/SAB 4.3L/4.8L/5.3L/5.7L/6.0L/6.2L

Part Number: EGN-EP295HV

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Estimated Ship Date: May 4, 2026 if ordered today

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Engine Oil Pump 93-11 BUI/CAD/OLD/PON 4.0L/4.6L

Part Number: EGN-EPK116

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Estimated Ship Date: May 4, 2026 if ordered today

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Oil Filter Relocation Kit, Dual Filter, 3/4-16 in. Filter Threads, 13/16-16 in. Engine Threads, Kit

Part Number: TRD-1220

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Jun 22, 2026 if ordered today

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Engine Oil Pan

Part Number: RNB-264-127

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Estimated Ship Date: Apr 29, 2026 if ordered today

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