2003 CADILLAC Radiators

Radiator, Exact Fit, Aluminum, Plastic, Cadillac, Chevy, GMC, Hummer, Each w/Oil cooler

Part Number: SUM-380533

5.0 out of 5 stars ( 10 )

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

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Radiator, Exact Fit, Aluminum, Plastic, Cadillac, Chevy, GMC, 4.8L, 5.3L, Each

Part Number: SUM-380545

4.2 out of 5 stars ( 5 )

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

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Radiator, Aluminum, Plastic, Cadillac, Chevy, GMC, Auto Trans, Each

Part Number: MIO-R2423-AT

4.33 out of 5 stars ( 3 )

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

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Radiators, Crossflow, Aluminum/Plastic, Natural, Transmission Cooler, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: DNP-221-9010

5.0 out of 5 stars ( 4 )

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

• Oversize $12.99

Radiator, 1-row, Aluminum/Plastic, Natural, Transmission Cooler, Cadillac, Chevrolet, GMC, Each

Part Number: RDR-8012423

4.75 out of 5 stars ( 4 )

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

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Radiator, Exact Fit, Aluminum, Plastic, Cadillac, Chevy, GMC, Hummer, Each

Part Number: OSC-2370

4.09 out of 5 stars ( 11 )

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

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Radiator, Exact Fit, Aluminum, Plastic, Cadillac, Chevy, GMC, 4.8L, 5.3L, 6.0L, 6.2L, Each

Part Number: OSC-2423

4.56 out of 5 stars ( 9 )

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

• Oversize $12.99

Radiator, Exact Fit, Aluminum, Plastic, Cadillac, Chevy, GMC, 4.8L, 5.3L, Each

Part Number: OSC-2334

2.5 out of 5 stars ( 4 )

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

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Radiator, New OE Quality

Part Number: DNP-221-9008

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Radiator

Part Number: UAC-RA2334C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Radiator, Aluminum/Plastic, Downflow, Each

Part Number: RCG-41-2423

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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• Oversize $12.99
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Radiator, Aluminum/Plastic, Crossflow, Cadillac, Chevy, GMC, 4.8, 5.3, 6.0, 6.2L, Each

Part Number: OSC-2921

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Radiator: 2004-2003 Cadillac

Part Number: DNP-221-9164

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Radiator, Aluminum/Plastic, Crossflow, Cadillac, Chevy, GMC, 4.8, 5.3L, Each

Part Number: OSC-2367

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Radiator, Exact Fit, Aluminum, Plastic, Cadillac, Chevy, GMC, Hummer, Each

Part Number: SGT-CU2370

4.64 out of 5 stars ( 14 )

Estimated Ship Date: May 7, 2026 if ordered today

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Radiator, Aluminum/Plastic, Natural, Downflow, Upper Driver Side Inlet, Lower Passenger Side Outlet, Cadillac, Chevy, GMC, Each

Part Number: CSF-3830

Not Yet Reviewed

Estimated Ship Date: Jun 22, 2026 if ordered today

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Radiator, Exact Fit, Aluminum/Plastic, Crossflow, Cadillac, 4.4, 4.6L, Each

Part Number: OSC-2514

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Radiator, Aluminum/Plastic, Crossflow, Each

Part Number: RCG-41-2370

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Radiator, Exact Fit, Aluminum, Plastic, Cadillac 4.6L, Oldsmobile 4.0L, Each

Part Number: OSC-2491

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Radiator

Part Number: UAC-RA2423C

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Radiator Support Components, Body Parts Radiator Support Components, Radiator Support Bracket, Upper Tie Bar, Bolt-In, GMC, Chevrolet, Cadillac, Each

Part Number: BDY-GM1225214

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2026 if ordered today

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• Oversize $9.99
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PA/32MM/AT

Part Number: OSC-2620

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Radiator, Aluminum/Plastic, Crossflow, Cadillac, Chevy, GMC, 4.8, 5.3L, Each

Part Number: OSC-2368

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Radiator, RADIATOR

Part Number: RDR-8012513

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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