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Part #: 221-9430

Denso 221-9430 Radiator - Primary

Radiator, Primary
⚙️ 66 vehicles fit this part
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📦Radiator, Primary
🚗Fitment: Audi and Volkswagen, A3, A3 Quattro, Arteon, Golf, Golf Alltrack, Golf R, Golf SportWagen, GTI, Jetta, Q3, S3, Tiguan, TT Quattro, and TTS Quattro
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Reliable Cooling Solution for Audi and Volkswagen Vehicles

The Denso Radiator part number 221-9430 is engineered to provide efficient cooling performance for select Audi and Volkswagen models. Designed with precise core dimensions and compatible inlet and outlet diameters, this radiator supports optimal engine temperature regulation.

  • Core Height: 25.5906 inches
  • Core Width: 17.9606 inches
  • Core Thickness: 1.0630 inches
  • Inlet Diameter: 1.2500 inches
  • Outlet Diameter: 1.2500 inches
  • Transmission Oil Cooler: Not included

About the Denso Radiator Product Line

The Denso Radiator line focuses on delivering durable and precise cooling components tailored for specific vehicle applications. This radiator model 221-9430 is part of that line, ensuring compatibility and performance for Audi and Volkswagen vehicles requiring exact core dimensions and flow specifications.

Technical Details and Compatibility

This radiator features a core height of 25.5906 inches, a core width of 17.9606 inches, and a core thickness of 1.0630 inches, providing a balanced surface area for heat dissipation. Both the inlet and outlet diameters measure 1.2500 inches, facilitating proper coolant flow. It does not include a transmission oil cooler, making it suitable for vehicles with separate transmission cooling systems.

Compatible with various Audi and Volkswagen models, including Audi A3, A3 Quattro, Arteon, Q3, S3, TT Quattro, TTS Quattro, and Volkswagen Golf, Golf Alltrack, Golf R, Golf SportWagen, GTI, Jetta, and Tiguan, this radiator meets the specific cooling requirements of these vehicles.

Common Applications and Problem Resolution

  • Replaces damaged or leaking radiators in Audi A3 and Volkswagen Golf models
  • Addresses engine overheating issues caused by inefficient cooling
  • Restores proper coolant flow with matching inlet and outlet diameters
  • Supports vehicles without integrated transmission oil coolers
  • Maintains engine temperature stability during extended driving conditions

Installation Notes and Tips

Ensure the radiator core dimensions match the vehicle specifications before installation. Verify that the inlet and outlet hose diameters correspond to existing coolant lines. Since this radiator does not include a transmission oil cooler, confirm your vehicle’s transmission cooling setup. Properly bleed the cooling system after installation to avoid air pockets and ensure optimal performance.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM standards for fit, form, and function. The 221-9430 radiator undergoes rigorous quality control to ensure durability and reliable cooling performance. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region.

BrandDenso
Part Number221-9430
PositionRadiator, Primary
Core Height25.5906
Core Thickness1.0630
Core Width17.9606
Transmission Oil Cooler IncludedNo
Inlet Diameter1.2500
Outlet Diameter1.2500

This part fits 66 vehicles. Search below:

YearMakeModelSubmodelDrive TypePositionNotes
2023AudiTT QuattroPrimaryRadiator
2023AudiTTS QuattroPrimaryRadiator
2022AudiTT QuattroPrimary650X457X34; Radiator
2022AudiTTS QuattroPrimary650X457X34; Radiator
2022VolkswagenJettaN/A650X457X34 ; supplied alternatively: 5QM 121 251 A; To 09/20/2021; Radiator
2021AudiQ3TechnikPrimary650X457X34 ; Alternative installation: 5WA 121 251 H; unit 06K.N [TD7]; Radiator
2021AudiTT QuattroPrimary650X457X34; Radiator
2021AudiTTS QuattroPrimary650X457X34; Radiator
2021VolkswagenArteonPrimarywith Seal; unit 06K.M [TD3]; unit 06K.C [TT6]; Radiator
2021VolkswagenGTIN/A650X457X34 ; supplied alternatively: 5QM 121 251 A; Radiator
2021VolkswagenJettaN/A650X457X34 ; supplied alternatively: 5QM 121 251 A; Radiator
2020AudiA3TechnikN/A650X457X34; Electronically Controlled Heating System [9Ac], Climatronic with Impact Pressure Control Free Of Cfc [9Ak], Electronically Controlled Air Conditioning System [Kh6]; Radiator
2020AudiA3 QuattroPrimary4-cylinder SI engine 2.0 l unit 06K.C [TT6]; 650X457X34; Radiator
2020AudiQ3TechnikN/A650X457X34; Radiator
2020AudiS3TechnikN/A650X457X34; Electronically Controlled Heating System [9Ac], Climatronic with Impact Pressure Control Free Of Cfc [9Ak], Electronically Controlled Air Conditioning System [Kh6]; Radiator
2020AudiTT QuattroN/A650X457X34; Vehicles without Special Upgrade Measures [Gp0], Vehicles with Special Upgrade Measures [Gp1], 4-Cylinder Si Engine 2.0 L Unit 06K.1 [T3Q], 4-Cylinder Si Engine 2.0 L Unit 06K.M [Td3], 4-Cylinder Si Engine 2.0 L Unit 06K.2 [Tn9], 4-Cylinder Gasoline Engine 2.0 L Unit 06K.A [Tp6], 4-Cylinder Si Engine 2.0 L Unit 06K.C [Tt6]; Radiator
2020AudiTTS QuattroN/A650X457X34; Vehicles without Special Upgrade Measures [Gp0], Vehicles with Special Upgrade Measures [Gp1], 4-Cylinder Si Engine 2.0 L Unit 06K.1 [T3Q], 4-Cylinder Gasoline Engine 1.8 L Unit 06K.B [Ta8], 4-Cylinder Si Engine 2.0 L Unit 06K.M [Td3], 4-Cylinder Si Engine 2.0 L Unit 06K.2 [Tn9], 4-Cylinder Gasoline Engine 2.0 L Unit 06K.A [Tp6], 4-Cylinder Si Engine 2.0 L Unit 06K.C [Tt6]; Radiator
2020VolkswagenGTIN/A650X457X34; Body-Colored Bumpers [2Jg], without Special Body Measures [5C0], Body Measures For Increased Safety Requirements [5C1], Moderate Hot Country [8Z4], Hot Country [8Z6], Mot '4-Cylinder Si Engine 2.0 L/170 Kw (16V) Turbo Fsi, Homogeneous Base Engine Is Tp6/Tn9/4-Cylinder Si Engine 2.0 L; Unit 06K.3 [Tx8] [Dm9], 4-Cylinder Si Engine 2.0 L; Unit 06K.3 [Tx8]; Radiator
2020VolkswagenJettaN/A650X457X34; Edf Installation Differentiation For Transmission Mq 350 -- Vehicle Components -- [0En], Edf Installation Differentiation For Transmission Dq381 -- Vehicle Components -- [0Ij], Body-Colored Bumpers [2Jg], Mot '4-Cylinder Si Engine 2.0 L/170 Kw (16V) Turbo Fsi, Homogeneous Base Engine Is Tp6/Tn9/4-Cylinder Si Engine 2.0 L; Unit 06K.3 [Tx8] [Dm9], 4-Cylinder Si Engine 2.0 L; Unit 06K.3 [Tx8]; Radiator
2020VolkswagenTiguanTrendlineFWDN/A650X457X34; Comfort Bumpers [2J2], Comfort Bumpers [2J3], Standard Bumpers [2Jb], Comfort Bumpers [2Jl], Bumpers [2Jp], Comfort Bumpers [2Jr], Comfort Bumpers [2Jx], Mot '4-Cylinder Si Engine 2.0 L/162 Kw (16V) Turbo Fsi, Homogeneous, Base Engine Is'T61/Tw6/Tp6/T1P/Ta9,Tl6/Tg6/Ta2/Ti6/T9R [D60]; Radiator
2019AudiA3N/A
2019AudiA3 QuattroN/A
2019AudiS3N/A
2019AudiTT QuattroN/A
2019AudiTTS QuattroN/A
2019VolkswagenArteonN/A
2019VolkswagenGolf AlltrackN/A
2019VolkswagenGolf RN/A
2019VolkswagenGolf SportWagenN/A
2019VolkswagenGTIN/A
2019VolkswagenJettaN/A
2019VolkswagenTiguanN/A
2018AudiA3N/A
2018AudiA3 QuattroN/A
2018AudiS3N/A
2018AudiTT QuattroN/A
2018AudiTTS QuattroN/A
2018VolkswagenGolfN/A
2018VolkswagenGolf AlltrackN/A
2018VolkswagenGolf RN/A
2018VolkswagenGolf SportWagenN/A
2018VolkswagenGTIN/A
2018VolkswagenTiguanN/A
2017AudiA3N/A
2017AudiA3 QuattroN/A
2017AudiS3N/A
2017AudiTT QuattroN/A
2017AudiTTS QuattroN/A
2017VolkswagenGolfN/A
2017VolkswagenGolf AlltrackN/A
2017VolkswagenGolf RN/A
2017VolkswagenGolf SportWagenN/A
2017VolkswagenGTIN/A
2016AudiA3N/A
2016AudiA3 QuattroN/A
2016AudiS3N/A
2016AudiTT QuattroN/A
2016VolkswagenGolfN/A
2016VolkswagenGolf RN/A
2015AudiA3N/A
2015AudiA3 QuattroN/A
2015AudiS3N/A
2015VolkswagenGolfN/A
2015VolkswagenGolf RN/A
2015VolkswagenGolf SportWagenN/A
2015VolkswagenGTIN/ATo 04/27/2015

* 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:

8013529

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

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