2015 Subaru CSF Parts

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CSF
  • 08-14 Subaru WRX & STI with built-in Oil Cooler All-Aluminum Radiator
  • CSF manufactures the most advanced and efficient radiator in the industry for your WRX/STI. CSF uses innovative tube and fin technologies with industry-leading testing methods to maximize airflow and heat dissipation.
  • Product Attributes:
    • Core Material: Aluminum
    • Title: 08-14 Subaru Wrx & Sti W/ Built-in Oil Cooler All-aluminum Radiator
  • Features:
    • 2-Row 42mm Core (Dual Core) Featuring CSF's Exclusive B-Tube Technology
    • Core Features an Ultra-Efficient Fin with 6.5mm Fin Height and Multi-Louvered Design for Maximum Surface Area Contact
    • CNC Machined "Quick-Connect" Inlet/Outlet Connections
    • CNC Machined Brackets and Fittings for Superb Fit and Durability
    • All-Aluminum Race Style Drain Plug
    • 1-Hour "Mirror Finish" Hand Polish
    • Drop-in Fit
  • CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your WRX/STI running at its best, a CSF High-Performance All-Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must-have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports environments. This radiator features a 2-Row core with CSF's exclusive B-Tube Technology: Unlike a regular oval shape "O" type radiator tube, CSF uses a specially engineered tube in the shape of a "B". These "B-tubes" are carefully formed and then brazed over the seam to seal. CSF is able to use thinner and lighter aluminum material (with better cooling efficiency) because this design is actually stronger than normal "O" shape tubes that are welded. The design (inlet in the middle of the tube that is seam brazed) increases the heat transfer surface area of the tubes by approximately 15% over regular tubes - producing the efficiency of two smaller tubes vs. one large tube within the same space criteria. With "B-tubes" you are able to get "dual liquid laminar flow". CSF also uses ultra efficient multi louvered fins that are carefully and precisely aligned to maximize airflow through each radiator core. Fin specifications are carefully measured and calculated for each application, and tested for maximum heat rejection efficiency in our wind-tunnel lab.The CSF WRX/STI radiator is a true "Drop-in fit" design requiring no modifications to install. OE style brackets are all CNC machined and welded for the best durability possible. Inlet/Outlet connections are designed to match the OE connections so you can reuse OEM hoses or aftermarket. Trust the cooling experts at CSF for the best performing, highest-quality, and most reliable radiators.

This Part Fits the Following OEM/Substitute Numbers:
45111AG01A, 45111AG09A, 45119AG010, 45119FG030, 45119SC010, 45119SC090, 45119VA000, 45119VA010

Additional Fitment Information:
Vehicle Region Sub Model
2015 - Subaru Impreza Canada Sport

CSF
  • 6th Gen Subaru Outback/Legacy High-Performance All-Aluminum Radiator
  • CSF manufactures the most advanced and efficient radiator in the industry for your Outback/Legacy. CSF uses innovative tube and fin technologies with industry-leading testing methods to maximize airflow and heat dissipation.
  • Product Attributes:
    • Core Material: Aluminum
    • Title: 6th Gen Subaru Outback/legacy High-performance All-aluminum Radiator
  • Features:
    • 2-Row - 42mm Ultra-High-Performance Core
    • Cooling Tubes with CSF's Exclusive B-Tube Technology
    • 6.5mm Tall Ultra Efficient Fins with a Multi-Louvered Design for Maximum Surface Area Contact
    • CNC Machined Mounting Brackets and OEM Style Inlet/Outlet
    • 100% All Aluminum TIG-Welded Construction
    • Smooth Satin Finish
    • True Plug-and-Play "Drop-in Fit" Installation Requires Absolutely No Modifications
    • Individually Leak and Pressure Tested
    • 2-Year Limited Warranty
  • The 42mm 2-Row aluminum core not only increases the fluid capacity of the radiator, but also improves the cores ability to dissipate heat. CSF's Exclusive B-Tube Technology improves heat transfer by approximately 15% over regular oval welded tubes. In addition, the super-efficient multi-louvered fins maximize airflow through the core for the best possible performance. Efficiency is key in off-roading as speeds tend to be lower overall so you end up relying on the fans to move most of the air over the radiator. While the factory fans do a decent job pulling air through the radiator core, it is still less airflow than you'd typically see in city driving. A larger and more efficient core will keep your engine temps in check and keep your engine running strong. Also, a larger core also helps when your radiator is covered in dust, dirt, or mud. While a radiator isn't functioning at peak efficiency in there situations, the more overall cooling capacity you have the better. In Addition, the end tanks are made from high grade aluminum and TIG welded to the core for extra strength. In contrast, the OEM crimped onto plastic end tank design is much weaker and creates a weak point where failure is more likely. Because the CSF radiator is designed as a true plug-and-play drop-in fit application, installation requires absolutely no modifications, trimming, or cutting.

This Part Fits the Following OEM/Substitute Numbers:
45111AL03A, 45111AL04A

Additional Fitment Information:
Vehicle Block CC Engine Designation Region Engine Sub Model Body CID
2015 - Subaru Outback H 2498 FB25 United States 4 Cyl 2.5L 2.5i Wagon 152

CSF
  • 08-14 Subaru WRX & STI with built-in Oil Cooler All-Aluminum Radiator
  • The #7042O can be made to fit the 2015-2021 WRX by capping off the Turbo Return Pipe on Left Side the Top End Tank.
  • CSF manufactures the most advanced and efficient radiator in the industry for your WRX/STI. CSF uses innovative tube and fin technologies with industry-leading testing methods to maximize airflow and heat dissipation.
  • Product Attributes:
    • Core Material: Aluminum
    • Title: 08-14 Subaru Wrx & Sti W/ Built-in Oil Cooler All-aluminum Radiator
  • Features:
    • 2-Row 42mm Core (Dual Core) Featuring CSF's Exclusive B-Tube Technology
    • Core Features an Ultra-Efficient Fin with 6.5mm Fin Height and Multi-Louvered Design for Maximum Surface Area Contact
    • CNC Machined "Quick-Connect" Inlet/Outlet Connections
    • CNC Machined Brackets and Fittings for Superb Fit and Durability
    • All-Aluminum Race Style Drain Plug
    • 1-Hour "Mirror Finish" Hand Polish
    • Drop-in Fit
  • CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your WRX/STI running at its best, a CSF High-Performance All-Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must-have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports environments. This radiator features a 2-Row core with CSF's exclusive B-Tube Technology: Unlike a regular oval shape "O" type radiator tube, CSF uses a specially engineered tube in the shape of a "B". These "B-tubes" are carefully formed and then brazed over the seam to seal. CSF is able to use thinner and lighter aluminum material (with better cooling efficiency) because this design is actually stronger than normal "O" shape tubes that are welded. The design (inlet in the middle of the tube that is seam brazed) increases the heat transfer surface area of the tubes by approximately 15% over regular tubes - producing the efficiency of two smaller tubes vs. one large tube within the same space criteria. With "B-tubes" you are able to get "dual liquid laminar flow". CSF also uses ultra efficient multi louvered fins that are carefully and precisely aligned to maximize airflow through each radiator core. Fin specifications are carefully measured and calculated for each application, and tested for maximum heat rejection efficiency in our wind-tunnel lab.The CSF WRX/STI radiator is a true "Drop-in fit" design requiring no modifications to install. OE style brackets are all CNC machined and welded for the best durability possible. Inlet/Outlet connections are designed to match the OE connections so you can reuse OEM hoses or aftermarket. Trust the cooling experts at CSF for the best performing, highest-quality, and most reliable radiators.

Additional Fitment Information:
Vehicle Block CC Engine Designation Region Engine Aspiration CID
2015 - Subaru WRX H 1998 FA20F United States 4 Cyl 2.0L Turbocharged 122

CSF
Additional Fitment Information:
Vehicle Block CC Engine CID
2015 - Subaru Legacy H 2498 4 Cyl 2.5L 152

CSF
  • Aluminum Core
  • 1 Row Plastic Tank

Additional Fitment Information:
Vehicle Block CC Engine CID
2015 - Subaru Forester H 1998 4 Cyl 2.0L 122

CSF
  • 08-14 Subaru WRX / STI / 15-21 Subaru WRX 2-Row 42mm Race-Spec Radiator
  • CSF manufactures the most advanced and efficient radiator in the industry for your WRX/STI. CSF uses innovative tube and fin technologies with industry-leading testing methods to maximize airflow and heat dissipation.
  • Product Attributes:
    • Core Material: Aluminum
    • Title: 08-14 Subaru Wrx / Sti / 15-21 Subaru Wrx 2-row 42mm Race-spec Radiator
  • Features:
    • High-Performance Core Features CSF's Exclusive B-Tube Technology
    • Supersedes CSF #7042
    • Core Featured Ultra Efficient 6.5mm Tall Fins with a Multi-Louvered Design for Maximum Surface Area Contact
    • 100% All-Aluminum TIG-Welded Construction
    • CNC Machined Mounting Brackets
    • Innovative "Multi-Fit" Combo Pipe and Plug Design, Included
    • True "Drop-in Fit" Requires No Modifications to Install
    • Individually Leak and Pressure Tested
    • 1 Hour "Mirror Finish" Hand Polish
    • For Manual Transmission Only
  • CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your WRX/STI running at its best, a CSF High-Performance All-Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must-have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports environments. This radiator features a 2-Row core with CSF's exclusive B-Tube Technology: Unlike a regular oval shape "O" type radiator tube, CSF uses a specially engineered tube in the shape of a "B". These "B-tubes" are carefully formed and then brazed over the seam to seal. CSF is able to use thinner and lighter aluminum material (with better cooling efficiency) because this design is actually stronger than normal "O" shape tubes that are welded. The design (inlet in the middle of the tube that is seam brazed) increases the heat transfer surface area of the tubes by approximately 15% over regular tubes - producing the efficiency of two smaller tubes vs. one large tube within the same space criteria. With "B-tubes" you are able to get "dual liquid laminar flow". CSF also uses ultra efficient multi louvered fins that are carefully and precisely aligned to maximize airflow through each radiator core. Fin specifications are carefully measured and calculated for each application, and tested for maximum heat rejection efficiency in our wind-tunnel lab.The CSF WRX/STI radiator is a true "Drop-in fit" design requiring no modifications to install. OE style brackets are all CNC machined and welded for the best durability possible. Inlet/Outlet connections are designed to match the OE connections so you can reuse OEM hoses or aftermarket. Trust the cooling experts at CSF for the best performing, highest-quality, and most reliable radiators.

This Part Fits the Following OEM/Substitute Numbers:
45111AG01A, 45111AG09A, 45119AG010, 45119FG030, 45119SC010, 45119SC090, 45119VA000, 45119VA010

Additional Fitment Information:
Vehicle Region Sub Model
2015 - Subaru Impreza United States Limited

CSF
  • 08-14 Subaru WRX / STI / 15-21 Subaru WRX 1-Row 31mm High-Performance Radiator
  • CSF manufactures the most advanced and efficient radiator in the industry for your WRX/STI. CSF uses innovative tube and fin technologies with industry-leading testing methods to maximize airflow and heat dissipation.
  • Product Attributes:
    • Core Material: Aluminum
    • Title: 08-14 Subaru Wrx / Sti / 15-21 Subaru Wrx 1-row 31mm High-performance Radiator
  • Features:
    • High-Performance Core Features CSF's Exclusive B-Tube Technology
    • Supersedes CSF #7028
    • Core Featured Ultra Efficient 6.5mm Tall Fins with a Multi-Louvered Design for Maximum Surface Area Contact
    • 100% All-Aluminum TIG-Welded Construction
    • CNC Machined Mounting Brackets
    • Innovative "Multi-Fit" Combo Pipe and Plug Design, Included
    • True "Drop-in Fit" Requires No Modifications to Install
    • Individually Leak and Pressure Tested
    • 1 Hour "Mirror Finish" Hand Polish
    • For Manual Transmission Only
  • CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your WRX/STI running at its best, a CSF High-Performance All-Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must-have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports environments. This radiator features a 2-Row core with CSF's exclusive B-Tube Technology: Unlike a regular oval shape "O" type radiator tube, CSF uses a specially engineered tube in the shape of a "B". These "B-tubes" are carefully formed and then brazed over the seam to seal. CSF is able to use thinner and lighter aluminum material (with better cooling efficiency) because this design is actually stronger than normal "O" shape tubes that are welded. The design (inlet in the middle of the tube that is seam brazed) increases the heat transfer surface area of the tubes by approximately 15% over regular tubes - producing the efficiency of two smaller tubes vs. one large tube within the same space criteria. With "B-tubes" you are able to get "dual liquid laminar flow". CSF also uses ultra efficient multi louvered fins that are carefully and precisely aligned to maximize airflow through each radiator core. Fin specifications are carefully measured and calculated for each application, and tested for maximum heat rejection efficiency in our wind-tunnel lab.The CSF WRX/STI radiator is a true "Drop-in fit" design requiring no modifications to install. OE style brackets are all CNC machined and welded for the best durability possible. Inlet/Outlet connections are designed to match the OE connections so you can reuse OEM hoses or aftermarket. Trust the cooling experts at CSF for the best performing, highest-quality, and most reliable radiators.

This Part Fits the Following OEM/Substitute Numbers:
45111AG01A, 45111AG09A, 45119AG010, 45119FG010, 45119FG030, 45119SC010, 45119SC090, 45119VA000, 45119VA010

Additional Fitment Information:
Vehicle Region Sub Model
2015 - Subaru Impreza United States Base
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