




Great news – on this purchase, you'll enjoy a BuildBUX bonus of $5.95.
Regular Price: $639.00 - Instant discount: $44.00 = $595.00
2018-2023 Subaru Crosstrek
2017-2022 Subaru Impreza
Built for off-road and overland performance, the CSF High-Performance Aluminum Radiator is a plug-and-play upgrade for Subaru Crosstrek and Impreza owners. Featuring a 42mm dual-row core, B-Tube technology, and full TIG-welded aluminum construction, this radiator delivers improved cooling, durability, and reliability in the harshest driving environments.
42mm 2-Row Ultra-High-Performance Core
Increases coolant capacity and improves thermal efficiency for better temperature control under load.
CSF Exclusive B-Tube Technology
Boosts heat transfer by up to 15% compared to standard oval tubes, ideal for low-speed off-road cooling.
Multi-Louvered Fin Design
6.5mm tall fins maximize airflow and surface area contact for superior heat dissipation—even when caked with dust or mud.
All-Aluminum TIG-Welded End Tanks
CNC-machined brackets and robust TIG welds eliminate the weak points found in plastic OEM tanks.
Direct Drop-In Fitment
Designed for true plug-and-play installation—no trimming, drilling, or cutting required.
Satin Finish and Leak-Tested Build
A clean, durable finish and individually tested to ensure performance and reliability.
Improved Cooling in Demanding Conditions
Built to handle increased engine strain from off-road, towing, and heavy gear loads.
Core Size: 42mm (2-row)
Tube Design: CSF B-Tube Technology
Fin Height: 6.5mm
Construction: 100% Aluminum, TIG-Welded
Finish: Satin Silver
Warranty: 2-Year Limited
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