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Parts for your 2003 Honda Accord-Radiator

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Rislone Head Gasket Fix 680g - 41111
30%OFF

Rislone Head Gasket Fix 680g - 41111

$70
$101
Fitment Notes:
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Explore 4WD & Adventure

Nulon Permanent Head Gasket Repair 750ml - PHGR-750

Nulon Permanent Head Gasket Repair 750ml - PHGR-750

$98
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Rislone Rear Main Seal Repair 500ml - 44240

Rislone Rear Main Seal Repair 500ml - 44240

$38
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Nulon Pro-Strength Diesel Turbo Cleaner 500ml - PDTC

Nulon Pro-Strength Diesel Turbo Cleaner 500ml - PDTC

$46
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Repco Cooling System Flush 300ml

Repco Cooling System Flush 300ml

$16
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Rislone Aluminium Radiator Stop Leak 479g - 41186

Rislone Aluminium Radiator Stop Leak 479g - 41186

$32
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K-SEAL Ultimate Head Gasket Repair - K3501

K-SEAL Ultimate Head Gasket Repair - K3501

$102
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Nulon Gearbox Treatment 125ml - G70
Clearance

Nulon Gearbox Treatment 125ml - G70

$6
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Rislone Engine Treatment Concentrate 500ml - 44102

Rislone Engine Treatment Concentrate 500ml - 44102

$23
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Proma MBL8 Oil Concentrate 250ml - 50083

Proma MBL8 Oil Concentrate 250ml - 50083

$80
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One Shot Radiator Stop Leak - 20050

One Shot Radiator Stop Leak - 20050

$9
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Lubegard Shudder Fix 60ML - 19610

Lubegard Shudder Fix 60ML - 19610

$30
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Lucas Heavy Duty Oil Stabilizer 946ml - 10001

Lucas Heavy Duty Oil Stabilizer 946ml - 10001

$40
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Sealwell Coolant System Conditioner 2 Pack - T51012

Sealwell Coolant System Conditioner 2 Pack - T51012

$27
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Rislone Radiator Stop Leak 325mL - 41196

Rislone Radiator Stop Leak 325mL - 41196

$20
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Penrite Engine Boost+ 500ml - PSPEB0005
Clearance

Penrite Engine Boost+ 500ml - PSPEB0005

$10
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Holts Wondarweld Cooling System Repair 250ml - HREP0062A

Holts Wondarweld Cooling System Repair 250ml - HREP0062A

$23
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Flashlube Injector Cleaner 50mL - FI50MX20B

Flashlube Injector Cleaner 50mL - FI50MX20B

$6
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Nulon Radiator Stop Leak 300mL - R50

Nulon Radiator Stop Leak 300mL - R50

$21
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Rislone High Mileage Compression Repair 500ml - 4447

Rislone High Mileage Compression Repair 500ml - 4447

$38
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Nulon Diesel Injector Cleaner 300mL - DIC

Nulon Diesel Injector Cleaner 300mL - DIC

$34
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Prestone Radiator Flush / Cleaner 650ml - AS105Y

Prestone Radiator Flush / Cleaner 650ml - AS105Y

$24
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Nulon Radiator Flush & Clean 300mL - R40
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Nulon Radiator Flush & Clean 300mL - R40

$18
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Repco Radiator Stop Leak 500ml - RRADSTOP500
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Repco Radiator Stop Leak 500ml - RRADSTOP500

$2
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Rislone Super Radiator Flush 650mL - 41201

Rislone Super Radiator Flush 650mL - 41201

$24
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Wynn's Radiator Flush 325mL - 65332
Clearance

Wynn's Radiator Flush 325mL - 65332

$25
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Nulon Engine Stop Smoke 500ml - SS
Clearance

Nulon Engine Stop Smoke 500ml - SS

$10
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Showing 1 - 39 of 66 products

Radiator Replacement and Maintenance for Your 2003 Honda Accord

The radiator is an integral part of the cooling system in your 2003 Honda Accord, ensuring that the engine maintains an optimal temperature. It prevents overheating by dissipating heat generated during engine operation. Like any other component, the radiator requires regular maintenance to function effectively and prolong its life.

  • Regular Inspection: Make it a habit to inspect your radiator regularly. Look for signs of corrosion, leaks, or any damage. If you notice any of these issues, it might be time for a replacement. A tell-tale sign of a leak is a puddle of coolant underneath your vehicle.
  • Coolant Levels and Quality: Regularly check the coolant levels in your radiator. Your Honda Accord's cooling system depends on the right mix of coolant and water to operate efficiently. Low or dirty coolant can lead to overheating, so ensure it's topped off and clean.
  • Flushing the Radiator: The radiator should be flushed periodically to remove old coolant and any rust or debris that may have accumulated. This keeps the cooling system clean and allows the new coolant to function efficiently. Most experts recommend flushing the system every 48,000 kilometres or every two years, whichever comes first.
  • Inspect the Radiator Cap: The radiator cap maintains pressure in the cooling system. If it's not sealing properly, it can lead to overheating. If you're encountering overheating issues, checking or replacing the radiator cap is an easy and often overlooked step.
  • Hose and Connection Checks: Inspect the hoses connected to your radiator for any signs of wear and tear. Replace any hoses that appear cracked or show signs of leakage at the connections. Secure connections are vital to maintaining proper pressure and coolant flow.
  • Fan Performance: Your radiator's fan plays a crucial role in keeping the engine cool. Make sure the fan is functioning correctly, a faulty fan can lead to significant overheating problems. Listen for any unusual noises coming from the fan area.

Replacing the radiator isn't a task that only professionals can handle. However, if you're not confident, it's always best to consult or hire a professional mechanic. When replacing a radiator, ensure you buy one that's compatible with your 2003 Honda Accord. Not all radiators fit every vehicle, so checking compatibility is crucial. When the new radiator is installed, ensure all hoses and connections are firmly secured to prevent any future leaks.

Keeping the radiator in your 2003 Honda Accord in peak condition ensures that your engine runs smoothly and efficiently. Regular maintenance and checks can prevent costly repairs and prolong the life of your vehicle. Treat your car well, and it will serve you reliably for many more miles to come.