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Heating and Cooling› Radiators

CSF

High-Performance 2-Row 42mm Core Radiator

$749.00 $639.00 Save $110.00

SKU: CSF7091

In Stock
In Stock
Ships by Sep 13
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$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The CSF High-Performance Radiator is an all-aluminum, 2-row, 42mm core radiator designed as a direct fit upgrade for various Audi and Porsche models. It features CSF's B-Tube technology with ultra-efficient, multi-louvered fins for maximum surface area contact. The radiator includes CNC machined fittings and brackets for easy installation and an integrated plate-type transmission oil cooler for automatic transmissions.
Show original supplier description
The CSF #7091 is a high-performance, all-aluminum radiator engineered for demanding VAG cooling applications. It features a robust 2-row, 42mm core utilizing CSF's proprietary B-Tube technology and ultra-efficient 6.5mm tall fins with a multi-louvered design to maximize heat dissipation. This radiator is TIG-welded and includes CNC-machined mounting brackets and OEM-style "quick connect" inlet/outlet fittings for a true "drop-in fit" that requires no modifications. Beyond superior engine cooling, the CSF #7091 incorporates an upgraded plate-type transmission oil cooler on the left side tank, enhancing transmission cooling for automatic transmissions. For manual transmission vehicles, this cooler port comes pre-plugged. The radiator also includes integrated OEM-style wire harness brackets for neat and secure installation. This radiator is individually leak and pressure tested and comes with a 2-year limited warranty. It is designed to fit a range of Audi models including the B8 S4, B8 A4 Quattro (3.0L & 3.2L Only), B8 S5, B8 A5 (3.0L & 3.2L Only), B8 A5 Quattro (3.0L & 3.2L Only), A6 (3.0L Only), A7 (3.0L Only), Q5 (3.0L Only), and SQ5, as well as the Porsche Macan S & GTS. Specific fitment includes: 2010-16 Audi (B8) S4 2009-14 Audi (B8) A4 Quattro (3.0L & 3.2L Only) 2010-14 Audi (B8) S5 2008-16 Audi (B8) A5 (3.0L & 3.2L Only) 2008-14 Audi (B8) A5 Quattro (3.0L & 3.2L Only) 2010-13 Audi A6 (3.0L Only) 2016 Audi A6 (3.0L Only) 2012-15 Audi A6 Quattro (3.0L Only) 2016 Audi A7 (3.0L Only) 2012-15 Audi A7 Quattro (3.0L Only) 2009-17 Audi Q5 (3.0L Only) 2014-17 Audi SQ5 2015-18 Porsche Macan S & GTS

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandCSF
Part NumberCSF7091
CategoryHeating and Cooling

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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