2003 CADILLAC Cooling & Heating

Fan Switch, Thermostatic, Radiator Probe, Adjustable 160-240 Degrees F, Kit

Part Number: HDA-3653

4.52 out of 5 stars ( 84 )

Estimated Ship Date: Tomorrow

Thermostat, with Seal, 160 Degrees F, Stainless Steel, Each

Part Number: SNN-456-160

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Heater Hose Connector Fitting, Straight, Hose Barb/Quick Connect, Stainless Steel, Natural, Cadillac, Chevrolet, GMC, Each

Part Number: PPE-119020009

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Thermostat, with Seal, 187 Degrees F, Stainless Steel, Each

Part Number: SNN-456-187

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Air Conditioning O-Rings and Seals, Seals and Gaskets, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit

Part Number: FSS-26824

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Thermostat-180 Degrees w/ Seal

Part Number: SNN-456-180

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Water Neck and Thermostat Housing, Stock, Cast Aluminum, Natural, Chevrolet, GMC, Workhorse, Each

Part Number: RNB-902-836

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Thermostat, Integrated Housing Thermostat, 187 Degrees F, Stainless Steel, Each

Part Number: SNN-379-187

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Cabin Air Filter Elements, Gold, Particulate, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-CF1104F

Not Yet Reviewed

Estimated Ship Date: Tomorrow

O-Ring and Gasket A/C System Seals, Kit

Part Number: FSS-26738

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Radiator Cap, Plastic, 15 psi, Plain Logo, Each

Part Number: ADO-RC98

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Orifice Tube, Air Conditioning, Black, Each

Part Number: FSS-38902

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

A/C System Seal Kit

Part Number: UAC-RS2741

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Fan Shrouds, Body Parts Fan Shrouds, Bolt-On, Plastic, Black, Upper Shroud, Chevrolet, GMC, Cadillac, Each

Part Number: BDY-GM3110135

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 10, 2026 if ordered today

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A/C Receiver Drier / Desiccant Element Kit

Part Number: UAC-RD10898KTC

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Fan Shrouds, Body Parts Fan Shrouds, Bolt-On, Plastic, Black, Upper Shroud, Chevrolet, GMC, Cadillac, Each

Part Number: BDY-GM3110134

Not Yet Reviewed

Estimated Ship Date: Jul 10, 2026 if ordered today

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A/C System Seal Kit

Part Number: UAC-RS2550

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Harness Connector

Part Number: FSS-37257

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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A/C System Seal Kit

Part Number: UAC-RS2540

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Oil Cooler Accessories

Part Number: FSS-86059

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Water Necks and Thermostat Housings, Replacement, Stock Style, Steel, Black, Buick, Cadillac, Oldsmobile, Pontiac, Each

Part Number: ADO-15-80767

Not Yet Reviewed

Estimated Ship Date: Tomorrow

A/C Expansion Valve

Part Number: UAC-EX5734C

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Automatic Transmission Oil Cooler, Oil Cooler Accessories

Part Number: HDA-382

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Cabin Air Filter

Part Number: MAH-LA739

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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A/C Receiver Drier / Desiccant Element Kit

Part Number: UAC-RD10122KTC

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

• Drop Ship
• Special Order