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Radiator
The radiator is the heat exchanger that dissipates engine heat by passing coolant through a core of fins and tubes exposed to airflow.
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Buying Guide
Radiator Buying Guide
The cooling system keeps the engine within its operating temperature range. Overheating is one of the fastest ways to destroy an engine — these parts need to be in reliable condition.
The radiator is the primary heat exchanger, transferring engine heat to the atmosphere through its core of fins and tubes. When buying a used radiator:
Inspect the core for bent or crushed fins (reduces cooling efficiency, but minor damage is acceptable) and for corrosion or green staining around the tanks (indicates seeping)
Check plastic tanks (common on modern radiators) for cracks at the neck, fittings, and where the tanks crimp to the core — these are the most common failure points
Confirm the connection sizes (upper/lower hose diameter and position) match your vehicle
Aluminum-core radiators are preferred over older copper/brass units for weight and cooling efficiency
Always flush and use the correct coolant type (check your owner's manual — mixing coolant types can cause gel formation and clogged passages).
The core support is the structural frame that holds the radiator, AC condenser, and cooling fans. Replace after front-end collisions that bend or crack the support. Verify all mounting holes for headlights, hood latch, and bumper brackets match your vehicle before purchasing.
Radiator/Condenser Fan Motor Assembly
The electric fan motor assembly provides airflow through the radiator and AC condenser at low speeds and while stationary. The assembly typically includes both the radiator fan and the AC condenser fan on a common shroud. Confirm the mounting frame matches your vehicle's radiator dimensions. Fan motor speed and direction are controlled by the ECM — the motor itself is typically plug-and-play if the connector matches.
Mechanical Fan Blade and Fan Clutch
On rear-wheel-drive vehicles with belt-driven cooling fans, the fan blade bolts to the fan clutch, which mounts to the water pump hub. These two components work together and should be replaced as a pair when either fails. A failed fan clutch that does not engage causes overheating at idle; a fan clutch that is locked up causes excessive noise, reduced fuel economy, and can damage the water pump bearing.
Fan blade direction matters — confirm the blade pitch moves air toward the radiator (not away from it) before installation.
The water pump circulates coolant through the engine and radiator. Failure modes include seal leakage (wet spot below the pump), bearing noise (grinding or whining from the front of the engine), and impeller slippage (overheating despite good coolant level). Always replace the water pump gasket and thermostat when replacing the pump. On timing-belt-driven water pumps, replace the pump whenever the timing belt is replaced — the pump is accessible at that point, and worn pumps fail shortly after belt service if left in place.
The coolant reservoir maintains proper fluid levels as the system cycles through temperature changes. Cracks or a missing cap (which maintains system pressure) cause coolant loss and air ingestion. The cap pressure rating must match your system spec — a cap with too low a pressure rating causes coolant boilover at normal temperatures.
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ShopEarl.com is a network of American auto part suppliers - salvage yards, aftermarket vendors, and powertrain remanufacturers.
Our mission is to make finding the right auto part easy, affordable, and environmentally friendly by giving quality used parts a second life and keeping them out of landfills.
We use a comprehensive vehicle fitment database that matches parts to specific makes, models, years, and engine types.
For critical components like engines and transmissions, we also require VIN verification for your vehicle to ensure an exact match. The VIN (Vehicle Identification Number) contains specific information about your vehicle's configuration that helps identify the exact parts it needs.
If you're ever unsure about fitment, our team is available to help verify compatibility before you make a purchase.
ShopEarl.com accepts the following payment methods:
- Major credit and debit cards, including Visa, MasterCard, and American Express
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All payment data is encrypted using TLS technology. We never see or store your full payment information—only a secure token provided by our processor to complete your purchase.
ShopEarl.com offers free shipping within the continental United States. Shipping times can vary depending on shipping methods, and ‘unbolted’ used parts typically ship a day faster than ‘yard’ parts that have to be professionally dismantled from the vehicle first. You’ll receive email and text notifications every step of the way.
Delivery to commercial locations is always free, but larger parts that ship freight may incur surcharges if they are delivered to a residential address. You can always ship these for free to a repair facility or our team can help find a nearby commercial address for local pickup.
At the moment, we don’t offer expedited shipping options. However, we’re always looking for ways to improve our services, and we hope to offer faster shipping options in the future.
All parts come with a minimum 30 day return window from the date your part arrives. See full return policy for all the details.
A core charge is a refundable fee charged when you buy a part that can be rebuilt or remanufactured, like an engine, alternator, or transmission. It works like a deposit:
- You pay the core charge upfront when you buy the part.
- After installing the new part, you return the old part (the “core”) to the seller.
This system encourages recycling and helps manufacturers refurbish used parts instead of making new ones from scratch.
Used parts are OEM auto parts professionally dismantled by certified auto recyclers.
Remanufactured parts are used OEM parts that have been completely disassembled, cleaned, and rebuilt with new components where necessary. They're tested to meet or exceed original equipment specifications, and often come with warranties similar to new parts.
New parts are new, aftermarket components that have never been installed on a vehicle.