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Nissens 68521 RadiatorOE Quality 60-Day Returns
Part #: 68521

Nissens 68521 Radiator

14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, 3
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Nissens 68521 Radiator for Mazda 3

The Nissens 68521 radiator is an aluminum cooling component built for 2010-2013 Mazda 3 applications, including 2012-2013 Mazda 3 with manual transmission. It is engineered to support stable engine temperature control and consistent thermal performance in everyday driving.

Key Features

  • Aluminum radiator construction for efficient heat transfer
  • Direct-fit application for Mazda 3 cooling system service
  • Built to Nissens quality standards for aftermarket thermal components
  • Part number 68521 for accurate catalog matching
  • Cross-references Bosch 13100 and Spectra Premium CU13100 for the same application

Product Details

This Nissens radiator, part number 68521, is designed around aluminum construction to help move heat away from the engine coolant efficiently. Nissens develops thermal management components with a focus on OE-style fit and consistent manufacturing quality, making this radiator a practical replacement choice for Mazda 3 cooling system repair. Compatible With 2010-2013 Mazda 3 and 2012-2013 Mazda 3 manual transmission applications, it supports proper coolant circulation and heat rejection in the radiator assembly.

Common Problems It Can Address

  • Coolant leaks from a damaged or corroded radiator
  • Overheating caused by restricted heat dissipation
  • Temperature fluctuation from an aging radiator core
  • Cooling system performance loss after impact or wear
  • Service replacement for a failing Mazda 3 radiator

Installation Notes

Verify vehicle year, engine configuration, and transmission before installation. Fits 2010-2013 Mazda 3, N/A, and fits 2012-2013 Mazda 3, N/A, Manual Trans. Inspect hoses, clamps, and coolant condition during radiator replacement, and confirm the cooling system is properly bled after installation.

Quality Assurance

Nissens positions this radiator within its Genuine Nissens Quality range, reflecting the company’s focus on high-quality thermal and engine efficiency components for the aftermarket. Part number 68521 is cataloged for precise application matching on Mazda 3 cooling repairs.

BrandNissens
Part Number68521
MaterialAluminum
Core Height14.8031
Core Width26.4567
Core Length0.6299

This part fits 14 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2013Mazda3i2.0LL4GASN/A
2013Mazda3i2.0LL4GASN/AManual Trans
2013Mazda3Mazdaspeed2.3LL4GASN/A
2013Mazda3S2.5LL4GASN/A
2012Mazda3i2.0LL4GASN/A
2012Mazda3i2.0LL4GASN/AManual Trans
2012Mazda3S2.5LL4GASN/A
2012Mazda3Mazdaspeed2.3LL4GASN/A
2011Mazda3Mazdaspeed2.3LL4GASN/A
2011Mazda3i2.0LL4GASN/A
2011Mazda3S2.5LL4GASN/A
2010Mazda3Mazdaspeed2.3LL4GASN/A
2010Mazda3i2.0LL4GASN/A
2010Mazda3S2.5LL4GASN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1310013262701613CU13100CU13262DRM44020LF8B1520YLF8M1520YDPL062305Z6681520Y

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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