In Northern California? Get this professionally set up & installed!
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
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.More in this category
Audi A4 Parts
Audi A4 Radiators
CSF OEM Replacement Radiators
Reviews on this product
Ordering from Redline360
Redline360 is an Authorized Dealer so we only sell authentic and genuine parts and accessories.
Order updates, tracking and info
Our goal is your complete satisfaction. Upon ordering, you will receive an email confirmation of your order along with your invoice. You will be able to log into our website 24/7 to check on your order at any time. Your order is processed Monday through Friday from 8am to 6pm PST as soon as it is placed. Once your order ships, we will email you a tracking number so you can track your package.
Protect your purchase
Redline360 offers our customers piece of mind! We have partned with Extend to offer you Extend Product Protection and Extend Shipping Protection. Read about each protection that Extend offers to Redline360 customers!
Multiple distribution points ready to serve you!
We ship from multiple locations around the United States so you receive your part as quick as possible. Not every warehouse stocks all the same parts, so the closest warehouse to you that has the part in stock is where your order will ship from. We ship from California, Nevada, Indiana, Michigan, Florida, Texas and Pennsylvania.
Secure Ordering
We take security seriously! We are never exposed to your credit card information, and it's never stored. Credit card transactions go through the credit card processor directly. We also offer various other payment methods such as PayPal, Affirm Financing (Pay over time), Amazon Pay, Apple Pay and more!
Any non CARB compliant items can not ship California. We will notify you if we have to cancel your order.
Some products may be subject to local rules, laws and regulations in certain areas. Always check your local laws to determine legal restrictions. We are not responsible if you buy a product that is not legal in your area.
For items that have free shipping, free shipping only applies to the lower 48 states.
Questions? Contact us.
Actual item may vary from picture
Redline360 is an Authorized Dealer so we only sell authentic and genuine parts and accessories.
Order updates, tracking and info
Our goal is your complete satisfaction. Upon ordering, you will receive an email confirmation of your order along with your invoice. You will be able to log into our website 24/7 to check on your order at any time. Your order is processed Monday through Friday from 8am to 6pm PST as soon as it is placed. Once your order ships, we will email you a tracking number so you can track your package.
Protect your purchase
Redline360 offers our customers piece of mind! We have partned with Extend to offer you Extend Product Protection and Extend Shipping Protection. Read about each protection that Extend offers to Redline360 customers!
Multiple distribution points ready to serve you!
We ship from multiple locations around the United States so you receive your part as quick as possible. Not every warehouse stocks all the same parts, so the closest warehouse to you that has the part in stock is where your order will ship from. We ship from California, Nevada, Indiana, Michigan, Florida, Texas and Pennsylvania.
Secure Ordering
We take security seriously! We are never exposed to your credit card information, and it's never stored. Credit card transactions go through the credit card processor directly. We also offer various other payment methods such as PayPal, Affirm Financing (Pay over time), Amazon Pay, Apple Pay and more!
Any non CARB compliant items can not ship California. We will notify you if we have to cancel your order.
Some products may be subject to local rules, laws and regulations in certain areas. Always check your local laws to determine legal restrictions. We are not responsible if you buy a product that is not legal in your area.
For items that have free shipping, free shipping only applies to the lower 48 states.
Questions? Contact us.
Actual item may vary from picture