SKU: 62342014355

CSF Porsche 996 911 / 986 Boxster (Fits Left/Right) All-Aluminum Radiator

Sale price$238.05 Regular price$264.50
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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30

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Description

CSF Porsche 996 911 / 986 Boxster (Fits Left/Right) All-Aluminum RadiatorWith over five decades of expertise in radiator manufacturing, CSF stands as a leader in delivering superior cooling solutions tailored for the Porsche 996 911 and 986 Boxster models. The CSF High Performance All Aluminum Radiator is engineered to maintain optimal engine temperatures, ensuring your vehicle operates at peak performance whether on the street or the racetrack. This radiator is indispensable for high horsepower applications and motorsport

With over five decades of expertise in radiator manufacturing, CSF stands as a leader in delivering superior cooling solutions tailored for the Porsche 996 911 and 986 Boxster models. The CSF High-Performance All-Aluminum Radiator is engineered to maintain optimal engine temperatures, ensuring your vehicle operates at peak performance whether on the street or the racetrack. This radiator is indispensable for high horsepower applications and motorsport environments where enhanced cooling capacity is critical.

At the core of this radiator lies a 2-Row design incorporating CSF’s proprietary B-Tube Technology. Unlike conventional oval-shaped "O" tubes, CSF’s B-Tubes are uniquely shaped and seam-brazed to create a robust, leak-resistant structure. This innovative design allows the use of thinner, lighter aluminum material without compromising strength, delivering superior heat dissipation. The B-Tube’s central inlet and brazed seam increase the heat transfer surface area by approximately 15% compared to traditional tubes, effectively doubling the cooling efficiency within the same spatial constraints. This results in a dual liquid laminar flow that significantly enhances thermal exchange.

Complementing the B-Tube core, CSF employs ultra-efficient multi-louvered fins meticulously aligned to maximize airflow through the radiator. Each fin is precisely engineered and validated through rigorous wind-tunnel testing to ensure optimal heat rejection performance. This meticulous attention to detail guarantees that the radiator not only meets but exceeds OEM cooling standards.

The CSF radiator is designed as a true "drop-in fit," requiring no modifications for installation. All mounting brackets are CNC machined and welded to provide exceptional durability and exact fitment. The inlet and outlet connections mirror OEM specifications, allowing seamless integration with existing OEM hoses or aftermarket alternatives. This ensures a hassle-free upgrade while preserving the integrity of your vehicle’s cooling system.

Features
  • 2-Row 42mm Core Featuring CSF's Exclusive B-Tube Technology (+20% Efficiency)
  • 6.5mm Fin Height with Multi-Louvered Design for Maximum Surface Area Contact
  • Individually Leak and Pressure Tested for Reliability
  • All-Aluminum Construction with 100% TIG-Welded End Tanks for Enhanced Durability
  • CNC Machined Brackets and Fittings Ensuring Precise Fit and Long-Lasting Strength
  • OEM-Style Machined Inlet/Outlet Connections for Compatibility with Stock Components
  • Smooth Satin Finish Providing a Professional Appearance
  • Plug-and-Play "Drop-in" Fitment Requiring No Modifications
  • Compatible with OEM AC Condenser and Fan Shroud
  • High-Performance Upgrade Suitable for Professional Racing, Street Performance, or OEM Replacement
Applications
Year Range Make Chassis Code Model Trim Engine / Trans / Etc Notes
1999-2002 Porsche 996 911 Carrera 3.4L H6 -
2002-2004 Porsche 996 911 Carrera 3.6L H6 -
1999-2002 Porsche 996 911 Carrera 4 3.4L H6 -
2002-2004 Porsche 996 911 Carrera 4 3.6L H6 -
2004-2005 Porsche 996 911 GT3 3.6L H6 -
1997-1999 Porsche 986 Boxster - 2.5L H6 -
2000-2004 Porsche 986 Boxster - 2.7L H6 -
2000-2003 Porsche 986 Boxster Roadster 2.7L H6 -
2000-2003 Porsche 986 Boxster Roadster S 3.2L H6 -
2004 Porsche 986 Boxster S 3.2L H6 -
2004 Porsche 986 Boxster S Special Edition 3.2L H6 -
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 62342014355

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4.9 ★★★★★
Based on 28 reviews
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Renee
Birmingham, US
★★★★★ 5
Feels luxury, I approve
Size: King, Style: Warm
I have purchased high end comforters/duvet inserts and this one is somehow my favorite. It's so thick and fluffy. I was going to do the double duvet insert method to create an extra lush bed situation, but honestly it's not needed at all with this comforter! It poofs up wonderfully inside my duvet cover (king duvet, king insert) and it's like heaven. It's very cozy yet airy, and it moves well during the night and does not fee too heavy despite its weight. This thing is definitely on the warm end and probably won't be suitable for Florida summers, but depending on how you set the AC at night it could be fine! The comforter is weighty, it feels like quality, and has a soft fabric. I wouldn't use it without a duvet cover, that's more of an aesthetic choice but I like keeping it clean. The white is very white. Honestly, I will be getting another one simply because I'm so impressed. Definitely no need to drop $300+ dollars elsewhere.
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Reviewed in the United States on October 25, 2025
R
Verified Purchase
Rosalie
New York, US
★★★★★ 4
ALL SEASON IS TOO WARM!
Size: King, Style: All-Season
I got the King, All Season, to squeeze into a Queen duvet for extra floof and it's sooo cozy. Highly recommend. I redacted 1 star though because although it says All Season, the amount of down in here feels like it's for winter. The first night I used it I woke up dripping in sweat. It's currently March, I live in Los Angeles area, hitting about 75° weather outside rn, but I sleep with AC full blast at night (usually hit about 64 when I wake up). I can't sleep with it, I'll need to buy the "cool" one, and hope that isn't tooo thin. Don't get me wrong, it's a great insert, but holy hell, it's too heckin' warm. I saw someone else mention it and wish I had honed in on their comment. I don't wanna return it as it was used, so I'm stuck with it now. *UPDATE* I am back because I also bought the "Cool" blanket as well after experiencing the heat of the all season and it too is also too hot for me. I've had a duvet before but I guess not filled to the capacity of these blankets. If you're a hot sleeper maybe look elsewhere?
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Reviewed in the United States on March 12, 2026
K
Verified Purchase
Kingsize
San Leandro, US
★★★★★ 5
Buy this instead of the ‘brand name’ one
Size: Twin, Style: Warm
Tl:DR: Buy it, it’s super cheap, better than the one I paid 2x the price for and soft as it can get, and it really is a ‘Winter comforter’. This review is going to sound like I got paid off for it but I actually didn’t. I bought another comforter prior to this one, paid close to double of this one and that the ‘on sale’ price, and it is trash compared to this Amazon basics one. Both claim to be thick warm comforters but I can literally stack two of the other brand and maybe they’d be almost as thick as the Amazon one. I only bought this one because the other ‘winter’ one I bought was so thin and flimsy I figured adding another ‘cheapie’ one might make me not freeze to death. As soon as I arrived I noticed that this Amazon one was WAY thicker, nicer looking, softer and warmer than the old one. Just to try it out I stacked both of them together to see if I wouldn't freeze to death like I was doing with the old ‘expensive’ one: five minutes in and I was sweating. That’s all it took, I immediately removed the duvet cover from the old one, switched it to the Amazon one and threw the old one somewhere where I couldn’t see the money I had wasted, and yes the Amazon was warmer and softer even WITHOUT the duvet cover. I’m probably going to get the light version for when fall hits and I don’t quite need the heavy one yet. Buy it you won’t regret it and hey it’s Amazon brand so if you don’t like it they’ll take care of you, but I HIGHLY doubt you won’t love this thing.
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Reviewed in the United States on April 14, 2026
R
Verified Purchase
Ryan flores
Draper, US
★★★★★ 5
Great duvet insert
Size: King, Style: Light
Perfect duvet insert. I got a pretty expensive duvet to cover this and they worked great together. The fit was perfect and I didn’t feel like the duvet was smaller than its cover. This was a cheap option that keep us warm while not being too think. This product is also breathable and recommend if you live in a place that transitions from hot to cold often.
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Reviewed in the United States on April 6, 2026
J
Verified Purchase
Juliane P.
Charlottesville, US
★★★★★ 5
Great mid-weight comforter
Size: King, Style: Light
Great comforter, especially for the price. I put it in the dryer for a bit when I first got it and it became nice and fluffy. Perfect mid-weight duvet.
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Reviewed in the United States on May 12, 2026

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