CSF Radiator Audi A4 / A4 Quattro 2.0T / 1.8T (2005-2016) OEM Replacement w/ Aluminum Core 3451
Fitment Information
- Audi A4 B6 - 1.8T 4-Cylinder - FWD / Quattro AWD - Sedan, Avant (2002, 2003, 2004, 2005)
- Audi A4 B7 - 1.8T / 2.0T 4-Cylinder - FWD / Quattro AWD - Sedan, Avant, Cabriolet (2005, 2006, 2007, 2008)
- Audi A4 B8 / B8.5 - 2.0T 4-Cylinder - FWD / Quattro AWD - Sedan, Avant (2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016)
Fitment Notes
- Part Number: 3451
- Fits 1.8L Turbo (AEB / AWM / AMB) and 2.0L Turbo (BWT / BUL / CAEB / CDNB / CAEA) 4-cylinder engines. Does NOT fit V6 or V8 engine configurations.
- Compatible with FWD and Quattro (AWD) configurations.
- OEM replacement fitment. This radiator is designed to replace the factory unit with no cutting, drilling, or modification required.
- Note: This radiator has extra brass fittings and is NOT a direct plug-and-play installation on all variants. Verify your factory radiator fitting configuration before ordering.
- OEM Cross Reference Part Numbers: 8E0-121-251-AH / 8E0-121-251-AE / 8E0-121-251-AP / 8E0-121-251-AQ / 8E0-121-251-B / 8E0-121-251-L
- Crossflow radiator design. Plastic end tank / aluminum core construction.
- End tanks made from Virgin Grade Glass-Filled engineered plastic resins for added strength and durability.
- Gaskets made from Special Grade EPDM rubber rated to withstand temperatures down to -120°F.
- 100% leak tested at the factory at 150% of operating pressure before shipment.
Tech Note:
- 1 Row - O.E.M. style Plastic tanks & Aluminum core;with quick-connect inlet & outlet pipe.
Specs & Features
CSF factories are ISO/TSO certified; CSF Radiators are designed and built to High Performance Standards & sold worldwide for over 50 years - over 30 Million Units Sold! Our Radiators are carefully engineered & Wind Tunnel Tested in a laboratory for Cooling Performance Validation. We have over 10,000 different models of Radiators that we manufacture & supply for all the leading brands of vehicles on the road.
- OEM-specified Plastic Tank-Aluminum Core Construction
- Tanks are made from Virgin Grade Engineered plastic resins, which are "Glass Filled" for added Strength & Durability
- Gaskets are made from Special Grade "EPDM" rubber to withstand extreme temperatures of up to -120 Degrees F
- Tubes - Welded Type or Latest Generation "B-Tube" Design
- Fins (Heart of Radiator) - High Performance "Multi-Louvered Design" - OEM Spec
- 100% leak tested before leaving the factory at 150% of operating pressure
- Industry Best Packaging - "10 Foot Drop Test" Standard; Drop-in Fit
- High Performance Transmission Cooler with special Built-in Turbulator, when applicable
- All components are installed, torqued, & tested on Radiator during assembly
Product Information
Product Information
Shipping & Returns
Shipping & Returns


CSF Radiator Audi A4 / A4 Quattro 2.0T / 1.8T (2005-2016) OEM Replacement w/ Aluminum Core 3451
CSF Radiator Audi A4 / A4 Quattro 2.0T / 1.8T (2005-2016) OEM Replacement w/ Aluminum Core 3451
Fitment Information
- Audi A4 B6 - 1.8T 4-Cylinder - FWD / Quattro AWD - Sedan, Avant (2002, 2003, 2004, 2005)
- Audi A4 B7 - 1.8T / 2.0T 4-Cylinder - FWD / Quattro AWD - Sedan, Avant, Cabriolet (2005, 2006, 2007, 2008)
- Audi A4 B8 / B8.5 - 2.0T 4-Cylinder - FWD / Quattro AWD - Sedan, Avant (2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016)
Fitment Notes
- Part Number: 3451
- Fits 1.8L Turbo (AEB / AWM / AMB) and 2.0L Turbo (BWT / BUL / CAEB / CDNB / CAEA) 4-cylinder engines. Does NOT fit V6 or V8 engine configurations.
- Compatible with FWD and Quattro (AWD) configurations.
- OEM replacement fitment. This radiator is designed to replace the factory unit with no cutting, drilling, or modification required.
- Note: This radiator has extra brass fittings and is NOT a direct plug-and-play installation on all variants. Verify your factory radiator fitting configuration before ordering.
- OEM Cross Reference Part Numbers: 8E0-121-251-AH / 8E0-121-251-AE / 8E0-121-251-AP / 8E0-121-251-AQ / 8E0-121-251-B / 8E0-121-251-L
- Crossflow radiator design. Plastic end tank / aluminum core construction.
- End tanks made from Virgin Grade Glass-Filled engineered plastic resins for added strength and durability.
- Gaskets made from Special Grade EPDM rubber rated to withstand temperatures down to -120°F.
- 100% leak tested at the factory at 150% of operating pressure before shipment.
Tech Note:
- 1 Row - O.E.M. style Plastic tanks & Aluminum core;with quick-connect inlet & outlet pipe.
Specs & Features
CSF factories are ISO/TSO certified; CSF Radiators are designed and built to High Performance Standards & sold worldwide for over 50 years - over 30 Million Units Sold! Our Radiators are carefully engineered & Wind Tunnel Tested in a laboratory for Cooling Performance Validation. We have over 10,000 different models of Radiators that we manufacture & supply for all the leading brands of vehicles on the road.
- OEM-specified Plastic Tank-Aluminum Core Construction
- Tanks are made from Virgin Grade Engineered plastic resins, which are "Glass Filled" for added Strength & Durability
- Gaskets are made from Special Grade "EPDM" rubber to withstand extreme temperatures of up to -120 Degrees F
- Tubes - Welded Type or Latest Generation "B-Tube" Design
- Fins (Heart of Radiator) - High Performance "Multi-Louvered Design" - OEM Spec
- 100% leak tested before leaving the factory at 150% of operating pressure
- Industry Best Packaging - "10 Foot Drop Test" Standard; Drop-in Fit
- High Performance Transmission Cooler with special Built-in Turbulator, when applicable
- All components are installed, torqued, & tested on Radiator during assembly
Original: $100.29
-70%$100.29
$30.09Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Fitment Information
- Audi A4 B6 - 1.8T 4-Cylinder - FWD / Quattro AWD - Sedan, Avant (2002, 2003, 2004, 2005)
- Audi A4 B7 - 1.8T / 2.0T 4-Cylinder - FWD / Quattro AWD - Sedan, Avant, Cabriolet (2005, 2006, 2007, 2008)
- Audi A4 B8 / B8.5 - 2.0T 4-Cylinder - FWD / Quattro AWD - Sedan, Avant (2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016)
Fitment Notes
- Part Number: 3451
- Fits 1.8L Turbo (AEB / AWM / AMB) and 2.0L Turbo (BWT / BUL / CAEB / CDNB / CAEA) 4-cylinder engines. Does NOT fit V6 or V8 engine configurations.
- Compatible with FWD and Quattro (AWD) configurations.
- OEM replacement fitment. This radiator is designed to replace the factory unit with no cutting, drilling, or modification required.
- Note: This radiator has extra brass fittings and is NOT a direct plug-and-play installation on all variants. Verify your factory radiator fitting configuration before ordering.
- OEM Cross Reference Part Numbers: 8E0-121-251-AH / 8E0-121-251-AE / 8E0-121-251-AP / 8E0-121-251-AQ / 8E0-121-251-B / 8E0-121-251-L
- Crossflow radiator design. Plastic end tank / aluminum core construction.
- End tanks made from Virgin Grade Glass-Filled engineered plastic resins for added strength and durability.
- Gaskets made from Special Grade EPDM rubber rated to withstand temperatures down to -120°F.
- 100% leak tested at the factory at 150% of operating pressure before shipment.
Tech Note:
- 1 Row - O.E.M. style Plastic tanks & Aluminum core;with quick-connect inlet & outlet pipe.
Specs & Features
CSF factories are ISO/TSO certified; CSF Radiators are designed and built to High Performance Standards & sold worldwide for over 50 years - over 30 Million Units Sold! Our Radiators are carefully engineered & Wind Tunnel Tested in a laboratory for Cooling Performance Validation. We have over 10,000 different models of Radiators that we manufacture & supply for all the leading brands of vehicles on the road.
- OEM-specified Plastic Tank-Aluminum Core Construction
- Tanks are made from Virgin Grade Engineered plastic resins, which are "Glass Filled" for added Strength & Durability
- Gaskets are made from Special Grade "EPDM" rubber to withstand extreme temperatures of up to -120 Degrees F
- Tubes - Welded Type or Latest Generation "B-Tube" Design
- Fins (Heart of Radiator) - High Performance "Multi-Louvered Design" - OEM Spec
- 100% leak tested before leaving the factory at 150% of operating pressure
- Industry Best Packaging - "10 Foot Drop Test" Standard; Drop-in Fit
- High Performance Transmission Cooler with special Built-in Turbulator, when applicable
- All components are installed, torqued, & tested on Radiator during assembly













