CSF 06-09 VW Golf / GTI / 99-06 Jetta / GLI High-Performance All-Aluminum Radiator
Description
With over five decades of specialized expertise in radiator manufacturing, CSF stands as a benchmark in automotive cooling solutions. The CSF 06-09 VW Golf / GTI / 99-06 Jetta / GLI High-Performance All-Aluminum Radiator epitomizes this legacy, offering a meticulously engineered component designed to maintain optimal engine temperatures under demanding conditions. Whether for street use or competitive motorsports, this radiator delivers the enhanced cooling capacity essential for high horsepower applications and rigorous racing environments.
At the core of this radiator’s superior performance is CSF’s proprietary B-Tube Technology, a significant advancement over conventional oval “O” shaped tubes. The innovative “B” shaped tubes are precision-formed and seam-brazed, resulting in a structure that is not only stronger but also allows the use of thinner, lighter aluminum. This design increases the heat transfer surface area by approximately 15% compared to traditional tubes, effectively doubling the cooling efficiency within the same spatial constraints. The dual liquid laminar flow enabled by the B-Tubes ensures more uniform coolant distribution, thereby enhancing thermal dissipation and engine protection.
Complementing the B-Tube design are ultra-efficient multi-louvered fins, engineered with a 6.5mm fin height and precisely aligned to maximize airflow through the radiator core. Each fin configuration is rigorously tested in CSF’s wind-tunnel laboratory to achieve optimal heat rejection performance. This meticulous attention to detail ensures that the radiator performs reliably across diverse operating conditions, from daily driving to high-stress track scenarios.
The CSF radiator for MK4 VW models is engineered as a true “drop-in fit” replacement, facilitating straightforward installation without the need for modifications. All brackets are CNC machined and welded to exacting standards, guaranteeing exceptional durability and a secure fit. The inlet and outlet connections are designed to mirror original equipment specifications, allowing seamless compatibility with OEM hoses and aftermarket components alike. This ensures that vehicle owners can maintain the integrity of their cooling system while benefiting from the enhanced performance of a CSF radiator.
Features
- 2-Row 42mm Core (Dual Core) Featuring CSF's Exclusive B-Tube Technology for Superior Cooling Efficiency
- Core Equipped with Ultra-Efficient Multi-Louvered Fins, 6.5mm Fin Height, Optimized for Maximum Surface Area Contact
- CNC Machined "Quick-Connect" Inlet and Outlet Connections for Precision Fit and Easy Installation
- CNC Machined Brackets and Fittings Engineered for Durability and Exact OEM Compatibility
- All-Aluminum Race Style Drain Plug Enhancing Reliability and Maintenance
- Smooth Satin Finish Providing Corrosion Resistance and Aesthetic Appeal
- True "Drop-in Fit" Design Requiring No Modifications, Compatible with OEM Components Including Quick Connect Hoses, AC Condenser, Mounting Brackets, and Fan Shroud
Applications
| Year Range | Make | Chassis Code | Model | Trim | Engine / Trans / Etc | Notes |
|---|---|---|---|---|---|---|
| 2013-2015 | Volkswagen | - | Beetle | TDI | Turbocharged 2L L4 (Manual) | - |
| 2010-2014 | Volkswagen | Mk5 | Golf | TDI | Turbocharged Diesel 2L L4 (Manual) | - |
| 2006-2009 | Volkswagen | Mk5 | GTI | - | Turbocharged 2L L4 (Manual) | - |
| 2009-2016 | Volkswagen | Mk5 | Jetta | TDI | Turbocharged 2L L4 (Manual) | - |
| 2006-2016 | Volkswagen | Mk5 | Jetta | - | Turbocharged 2L L4 (Manual) | - |
| 2006-2008 | Volkswagen | - | Passat | 2.0T | Turbocharged 2L L4 (Manual) | - |
OEM Part Numbers
- Volkswagen: 1K0 121 251 AB
- Volkswagen: 1K0-121-251-AB
- Volkswagen: 1K0121251AB
- Volkswagen: 1K0 121 251 BK
- Volkswagen: 1K0-121-251-BK
- Volkswagen: 1K0121251BK
- Volkswagen: 1K0 121 251 DM
- Volkswagen: 1K0-121-251-DM
- Volkswagen: 1K0121251DM
- Volkswagen: 1K0 121 251 EH
- Volkswagen: 1K0-121-251-EH
- Volkswagen: 1K0121251EH
- Volkswagen: 1K0 121 251 N
- Volkswagen: 1K0-121-251-N
- Volkswagen: 1K0121251N
Warranty
Will it fit my car?
We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.
Shipping
All orders made through MOD Central will be passed immediately to the supplier (R44 Performance) that has ships the item. You will get an email from them on the point of sale about processing and dispatch time.
Shipping Costs:
The cost of shipping will be calculated at checkout based on the destination, weight of the product and which vendor/vendors you are buying from.
Shipping Providers:
All our vendors work with trusted shipping partners to ensure your products are delivered safely. However, we are not responsible for any shipping delays, damages, or losses.
International Shipping:
Many of our vendors offer international shipping, but please be aware that additional customs fees or import taxes may apply. These charges are the responsibility of the buyer.
Tracking Information:
Once your order has been dispatched, you will receive a confirmation email with tracking details from the vendor your product was purchased from. If you have not received your tracking information, please contact the vendor with your order number.
Returns/Warranty
Eligibility:
All return eligibility will be specific to the vendor.
Return & Refund Process:
To initiate a return, please contact the vendor you purchased the product from with your order number and reason for return. Their team will provide further instructions.