AUDI A4 Cooling & Heating

Derale 7000 Series Tube and Fin Engine Oil Cooler Kits 15551

Fluid Cooler, 7000 Series, Engine Oil Type, Tube and Fin, Copper/Aluminum, Black, 1/2 in. Hose Barb Inlet/Outlet, Each

Part Number: DER-15551

4.25 out of 5 stars ( 4 )

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Hengst Cabin Air Filters E998LC

Cabin Air Filter Element, Carbon/Charcoal, Gray, Audi, Volkswagen,.Each

Part Number: HNT-E998LC

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Rein Automotive Coolant Hose Flange Kits for 2005-2009 A4, A4 QUATTRO - CHS0648

Thermostat Housing, Coolant Hose Flange Kit, Includes 3 Hoses, 1 Flange, 1 Gasket, 1 O-ring, 1 Sensor, 1 Lock Pin, 1 Thermostat, Audi, 2.0L, Kit

Part Number: RIN-CHS0648

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Rein Automotive Water Pumps WPU0016

Water Pumps, Aluminum, Natural, Belt/Hardware Included, Audi, Volkswagen, Kit

Part Number: RIN-WPU0016

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Derale 7000 Series Tube and Fin Engine Oil Cooler Kits 15502

Fluid Cooler, Engine, Tube and Fin, Aluminum, Copper, Black, 7 1/2 in. x 17 in. x 3/4 in., Each

Part Number: DER-15502

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Four Seasons Orifice Tubes 38902

Orifice Tube, Air Conditioning, Black, Each

Part Number: FSS-38902

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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URO Parts Water Pumps 06H121026DR

Water Pumps, Mechanical, Standard-volume, Audi, Volkswagen, Each

Part Number: URO-015142

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Four Seasons Air Conditioning Replacement Components 26777

Air Conditioning Replacement Components, Seal Kit, for use on Acura®, for use on Honda®, for Nissan, BMW, Chevy, Chrysler, Ford, GMC, MG, Toyota, Kit

Part Number: FSS-26777

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Four Seasons Filter Drier Desiccant Bag Kits 83029

Air Conditioning Filter Driers, Dessicant Bag, 1.0 in. x 9.0 in., White, Cloth, 50 Grams, with Plug, R134A, Near Universal, Kit

Part Number: FSS-83029

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Universal Air Conditioner Vacuum Solenoid Valves EX 10514C

A/C Compressor Control Valve

Part Number: UAC-EX10514C

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Hengst Cabin Air Filters E4931LB

Cabin Air Filter Element, Biofunctional Layer, Charcoal/Carbon, Blue, Audi, Porsche, Each

Part Number: HNT-E4931LB

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Universal Air Conditioner Filter Drier Desiccant Bag Kits RD 10898KTC

A/C Receiver Drier / Desiccant Element Kit

Part Number: UAC-RD10898KTC

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

aFe Power Carbon Cabin Air Filters 35-10027C

aFe Power Carbon Cabin Air Filters 35-10027C

Cabin Air Filter Elements, Carbon/Charcoal, Gray/White, Audi, Porsche, Each

Part Number: AFE-35-10027C

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Universal Air Conditioner Orifice Tubes EX 7000C

Air Conditioning Orifice Tube, Replacement, White, for Hyundai, for Nissan, Buick, Cadillac, Chevy, Ford, GMC, Olds, Pontiac, Volkswagen, Volvo, Each

Part Number: UAC-EX7000C

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Rein Automotive Coolant Hose Flange Kits for 2002-2006 A4, 2002-2005 A4 QUATTRO - CHS0646

Coolant Hose Flange Kit, Thermostat Included, Sensor Included, Plastic, Black, Audi, Kit

Part Number: RIN-CHS0646

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Denso Air Conditioning Condensers 477-0764

Air Conditioning Condenser, Aluminum, Natural, Audi, Each

Part Number: DNP-477-0764

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

OSC Automotive Radiators 13188

Radiator, Aluminum/Plastic, Crossflow, Audi, 2.0, 3.0L, Each

Part Number: OSC-13188

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Hengst Cabin Air Filters E2948LI

Cabin Air Filter Element, Paper,White,,Audi, Porsche.,Each

Part Number: HNT-E2948LI

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Rein Overflow Tank Components CHH0873

HEATER HOSE 12 - 09 AUD

Part Number: RIN-CHH0873

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

CSF Radiators 3452

A4, A4 Quattro

Part Number: CSF-3452

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

URO Parts Fans, Mechanical 078121301E

Engine Cooling Fan Blade, Volkswagen, Audi

Part Number: URO-010244

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

CSF Radiators for 2002-2012 A4, 2002-2014 A4 QUATTRO - 3451

A4, A4 Quattro

Part Number: CSF-3451

Not Yet Reviewed

Estimated Ship Date: Jun 22, 2026 if ordered today

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Estimated Ship Date: Jun 22, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

OSC Automotive Radiators for 2003-2006 A4, 2003-2005 A4 QUATTRO - 2556

5 out of 5 stars ( 1 )

Estimated Ship Date: May 6, 2026

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URO Parts Fan Clutches 078121235G

Engine Cooling Fan Clutch. 1998-2005 Audi, Volkswagen

Part Number: URO-013517

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Rein Automotive Radiator Mounts AVM0702

Radiator Mount, Rubber, Black, Lower, Audi, Each

Part Number: RIN-AVM0702

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Sherman Radiator Core Supports for 2002-2005 A4, A4 QUATTRO - SHE0018-49-0

Partslink # AU1225110

Part Number: SHI-0018-49-0

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today