Nissens 640012 Radiator

Brand Nissens 640012
Core Height 12.558
Core Width 1.326
Core Material Aluminum
Tank Material Plastic
Core Length 25.35
Core Row Quantity 2
Construction Mechanically jointed cooling fins
Fits Audi, Seat, and Volkswagen · 35 vehicles

OE-spec design. Manufactured and tested to OE specifications for accurate cooling-system replacement.

Aluminum core. Supports efficient heat transfer with a plastic tank construction.

Two-row construction. Built for balanced cooling capacity and stable thermal performance.

Cross-references 6R0121253, 6R0121253A and 6R0121253L for the same application. See all 24.

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Radiator Overview

The Nissens 640012 radiator is built for OE-spec cooling performance with materials and construction chosen for thermal stability and service life. It is a fitment-based replacement for select Volkswagen, Seat, and Audi applications, including Volkswagen Polo, Seat Toledo, Seat Ibiza, Seat Nuevo Ibiza, and Audi A1.

Key Features

  • Aluminum core with plastic tanks for efficient heat transfer and practical durability.
  • Mechanically jointed cooling fins for consistent airflow through the core.
  • Two-row core construction for balanced cooling capacity.
  • Manufactured and tested to OE specifications.
  • Part number 640012 for accurate ordering and catalog matching.

Detailed Description

Nissens 640012 is a radiator engineered around OE-level requirements for thermal performance, pressure resistance, vibration resistance, and corrosion testing. The aluminum core and plastic tank design support dependable heat exchange, while the mechanically jointed fin construction helps maintain core integrity under normal operating conditions. This radiator is a direct-fit style replacement for applications such as Fits 2013-2022 Volkswagen Polo, Fits 2015-2019 Seat Toledo, Fits 2013 Seat Toledo, Fits 2011-2018 Audi A1, Fits 2008-2017 Seat Ibiza, and Fits 2010 Seat Nuevo Ibiza. The part number 640012 is also cross-referenced to OE and aftermarket numbers used for the same application.

Common Uses

  • Replacing a leaking or corroded radiator core.
  • Restoring coolant temperature control after overheating.
  • Addressing cracked plastic tanks or weakened joints.
  • Correcting reduced cooling efficiency from age or contamination.

Installation Notes

Verify radiator dimensions and connector layout against the existing unit before installation. Confirm the vehicle application by year, make, and model, since this radiator is listed for multiple platforms. Use clean coolant and inspect related cooling system components during replacement to help prevent repeat failures.

Quality Assurance

Nissens radiators are manufactured and tested to OE specifications and undergo corrosion, vibration, pressure impulse, thermal expansion, and thermal performance testing. This part cross-references OE and aftermarket numbers for the same application, including 6R0121253 and 6R0121253A.

This part fits 35 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeDrive TypeTransmissionLitersCylindersFuel TypeNotes
2022VolkswagenPoloHatchbackFWDManual1.6LL4GASDims.:_650x322x34
2021VolkswagenPoloHatchbackFWDManual1.6LL4GASDims.:_650x322x34
2020VolkswagenPoloHatchbackFWDManual1.6LL4GASDims.:_650x322x34
2019SeatToledoHatchbackFWDManual1.0LL3GASDims.:_650x322x34
2019VolkswagenPoloHatchbackFWDManual1.6LL4GASDims.:_650x322x34
2018AudiA1HatchbackFWDManual1.4LL4GASDims.:_650x322x34
2018SeatToledoHatchbackFWDManual1.6LL4GASDims.:_650x322x34
2018VolkswagenPoloHatchbackFWDManual1.6LL4GASDims.:_650x322x34
2017AudiA1HatchbackFWDManual1.4LL4GASDims.:_650x322x34
2017SeatIbizaHatchbackFWDAutomatic1.6LL4GASDims.:_650x322x34
2017SeatToledoHatchbackFWDManual1.6LL4GASDims.:_650x322x34
2017VolkswagenPoloHatchbackFWDAutomatic Dual Clutch1.2LL4GASDims.:_650x322x34
2016AudiA1HatchbackFWDManual1.4LL4GASDims.:_650x322x34
2016SeatIbizaHatchbackFWDManual1.6LL4GASDims.:_650x322x34
2016SeatToledoHatchbackFWDManual1.4LL4GASDims.:_650x322x34
2016VolkswagenPoloHatchbackFWDManual1.2LL4GASDims.:_650x322x34
2015AudiA1HatchbackFWDManual1.4LL4GASDims.:_650x322x34
2015SeatIbizaHatchbackFWDManual2.0LL4GASDims.:_650x322x34
2015SeatToledoHatchbackFWDManual1.4LL4GASDims.:_650x322x34
2015VolkswagenPoloHatchbackFWDManual1.6LL4GASDims.:_650x322x34
2014AudiA1HatchbackFWDManual1.4LL4GASDims.:_650x322x34
2014SeatIbiza———1.2LL4—Dims.:_650x322x34
2014VolkswagenPoloHatchbackFWDManual1.2LL4GASDims.:_650x322x34
2013AudiA1HatchbackFWDManual1.4LL4GASDims.:_650x322x34
2013SeatIbiza———1.2LL4—Dims.:_650x322x34
2013SeatToledoHatchbackFWDManual1.6LL4GASDims.:_650x322x34
2013VolkswagenPoloHatchbackFWDManual1.2LL4GASDims.:_650x322x34
2012AudiA1HatchbackFWDManual1.4LL4GASDims.:_650x322x34
2012SeatIbiza———1.6LL4—Dims.:_650x322x34
2011AudiA1HatchbackFWDManual1.4LL4GASDims.:_650x322x34
2011SeatIbiza———1.6LL4—Dims.:_650x322x34
2010SeatIbizaHatchbackFWDManual2.0LL4GASDims.:_650x322x34
2010SeatNuevo IbizaHatchbackFWDManual1.6LL4GASDims.:_650x322x34
2009SeatIbiza———1.6LL4—Dims.:_650x322x34
2008SeatIbizaHatchbackFWDManual2.0LL4GASDims.:_650x322x34
Directly replaces or cross-references 24 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
6R01212536R0121253A6R0121253L6R0121253N6RF1212538MK3767542818MK3767542848MK3769020018MK3769020048MK3769020118MK376902014701522350213127900350213127903350213182300359000300970359000301340CR1096000PCR1096000SCR2081000PCR2081000SCR2082000PCR2082000SKGR4020895534