How to remove and reinstall a radiator on Mazda 3?

In order to take off the radiator, begin by removing the battery cover and disconnect the cable at the negative terminal of the battery. Secure the vehicle on jackstands and take off the splash shields. Empty the cooling system, store the coolant as long as it is in a good condition and disconnects the radiator hose at the bottom of the radiator. Now very carefully lift up the radiator mounts and unscrew them out of the support and pull off the trim panel by loosening them with mounting screws. The second step is to take the fresh air intake hose out and the hose(s) to the coolant reservoir off of the radiator. Take out the cooling fan/shroud assembly on the radiator, and press the locking tabs on the sides of the radiator to detach the condenser. When the car has an automatic transaxle, remove these transaxle cooler lines off the radiator, dripping pan under the radiator to collect any spilled fluid and plug the lines and fittings. Remember not to spill coolant or damage the paint and carefully remove the radiator and make sure that the rubber radiator insulators are in place to be reinstated effectively. Wipe the radiator using compressed air and soft brush without trying to bend the cooling fins and check on leakage or any damage and if needed, repair by seeking professional help. To install, check the rubber insulators in the lower crossmember, and remove any cracks or dirt, being sure that the radiator is properly mounted on the insulators before fitting the top brackets. Installation Reverse the elimination procedures to install, and fill the cooling system with the appropriate mix of antifreeze and water, draining the air. Start the engine, to test, there is no leakage, but leave it to run until it has reached normal operating temperature, and again observe the coolant level, adding more, where needed. Add fluid to the automatic transaxle, as required.

Genuine Mazda 3 Radiator

Cooling Radiator

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15 Radiators found

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Mazda 3 Radiator Part Number: PAF3-15-200B
$254.35 MSRP: $339.20
You Save: $84.85 (26%)
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Product Specifications
- Other Name: Radiator Assembly
- Replaces: PAF3-15-200, PAF3-15-200A
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2019-2023 Mazda 3 | 2.0, 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Radiator Part Number: PEDD-15-200B
$255.00 MSRP: $340.08
You Save: $85.08 (26%)
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Product Specifications
- Replaces: PEDD-15-200A, PEDD-15-200
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2018 Mazda 3 | Grand Touring, i Grand Touring, I Sport, i SV, I Touring, s Grand Touring, s Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Radiator Part Number: PXNS-15-200
$291.58 MSRP: $388.84
You Save: $97.26 (26%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2022-2024 Mazda 3 | 2.0, 2.5 S, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Radiator Part Number: PX6T-15-2AY
$312.03 MSRP: $416.12
You Save: $104.09 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2021-2024 Mazda 3 | 2.5 Carbon Turbo, 2.5 Turbo, 2.5 Turbo Premium Plus | 4 Cyl 2.5 L GAS
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Mazda 3 Radiator Part Number: PAF1-15-200
$374.48 MSRP: $503.43
You Save: $128.95 (26%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2019-2021 Mazda 3 | 2.0, 2.5 S, Base, Preferred, Premium, Select | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Radiator Part Number: S805-15-2AYA
$396.33 MSRP: $532.81
You Save: $136.48 (26%)
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Product Specifications
- Replaced by: HF15-15-2AYA
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2021-2023 Mazda 3 | 2.5 Turbo, 2.5 Turbo Premium Plus | 4 Cyl 2.5 L GAS
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Mazda 3 Radiator Part Number: LF8B-15-20Y
$385.97 MSRP: $518.89
You Save: $132.92 (26%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2012-2013 Mazda 3 | i, Mazdaspeed, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Radiator Part Number: R2AH-15-20Y
$415.05 MSRP: $557.97
You Save: $142.92 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2012-2013 Mazda 3 | i, Mazdaspeed, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Radiator Part Number: PAF2-15-200B
$433.85 MSRP: $583.25
You Save: $149.40 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Replaces: PAF2-15-200A
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2019-2024 Mazda 3 | 2.0, 2.5 S, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Radiator Part Number: PE18-15-20YA
$433.99 MSRP: $583.43
You Save: $149.44 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaces: PE18-15-20Y
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2018 Mazda 3 | Grand Touring, i Grand Touring, I Sport, i SV, I Touring, s Grand Touring, s Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Radiator Part Number: S8J5-15-2AYA
$520.51 MSRP: $699.76
You Save: $179.25 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Replaced by: S8J5-15-2AYB
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2023-2024 Mazda 3 | 2.5 Carbon Turbo, 2.5 Turbo, 2.5 Turbo Premium Plus | 4 Cyl 2.5 L GAS
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Mazda 3 Radiator Part Number: Z603-15-200
$453.85 MSRP: $610.14
You Save: $156.29 (26%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2006-2009 Mazda 3 | i, Mazdaspeed, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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Mazda 3 Radiator Part Number: LF8M-15-20YD
Product Specifications
- Replaces: LF8M-15-200
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2010-2013 Mazda 3 | i, Mazdaspeed, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Radiator Part Number: L33X-15-200
Product Specifications
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2007-2009 Mazda 3 | i, Mazdaspeed, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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Mazda 3 Radiator Part Number: Z602-15-200C
Product Specifications
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2004-2006 Mazda 3 | i, S, SP23 | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS

Mazda 3 Radiator

The Mazda 3 Radiator keeps the engine temperatures in check before they can do any damage to the engine, and it achieves this by swiftly passing the heat off the motor. This is a small heat exchanger placed at the front of the case and the coolant coming through the small aluminum tubes, lined with aluminum fins, is forced through the heat exchanger by the flowing air, which pulls the heat out of the liquid before it is pumped back to the block. Since the process of combustion can elevate the metal far beyond safe levels within a few seconds, the Radiator collaborates with a fan and the water pump to maintain a constant operating temperature that benefits fuel economy and power. In the first two generations released in 2004 and 2010, Mazda has applied the traditional aluminum core units, a design that persisted into the subsequent Skyactiv period since it provided lightness, high heat transfer, and corrosion resistance. The core size varies slightly between the sedan and hatchback to accommodate each type of bumper, although all units have the same flowing fin network and sealed plastic tanks to achieve the same performance. In keeping with Mazda's focus on reliability, the aluminum frame will not rust easily, besides reducing the overall weight of the vehicle, which contributes to maintaining handling balance. The modern circulating coolant flows freely, and additional electric or belt-driven fans increase the airflow in case of crawling traffic to ensure that even when the vehicle is idle, the Radiator continues to release heat. All in all, the system provides all Mazda engines within its 3 family with the thermal stability that is required during day-to-day commuting and weekend driving, demonstrating that a well-designed heat exchanger is just as important as the engine.

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Mazda 3 Radiator Parts and Q&A

Radiator
LF8M-15-20YD
Q: How to remove and reinstall a radiator on Mazda 3?
A:
In order to take off the radiator, begin by removing the battery cover and disconnect the cable at the negative terminal of the battery. Secure the vehicle on jackstands and take off the splash shields. Empty the cooling system, store the coolant as long as it is in a good condition and disconnects the radiator hose at the bottom of the radiator. Now very carefully lift up the radiator mounts and unscrew them out of the support and pull off the trim panel by loosening them with mounting screws. The second step is to take the fresh air intake hose out and the hose(s) to the coolant reservoir off of the radiator. Take out the cooling fan/shroud assembly on the radiator, and press the locking tabs on the sides of the radiator to detach the condenser. When the car has an automatic transaxle, remove these transaxle cooler lines off the radiator, dripping pan under the radiator to collect any spilled fluid and plug the lines and fittings. Remember not to spill coolant or damage the paint and carefully remove the radiator and make sure that the rubber radiator insulators are in place to be reinstated effectively. Wipe the radiator using compressed air and soft brush without trying to bend the cooling fins and check on leakage or any damage and if needed, repair by seeking professional help. To install, check the rubber insulators in the lower crossmember, and remove any cracks or dirt, being sure that the radiator is properly mounted on the insulators before fitting the top brackets. Installation Reverse the elimination procedures to install, and fill the cooling system with the appropriate mix of antifreeze and water, draining the air. Start the engine, to test, there is no leakage, but leave it to run until it has reached normal operating temperature, and again observe the coolant level, adding more, where needed. Add fluid to the automatic transaxle, as required.