Koyo Performance Radiator – Nissan Silvia / 180SX / 200SX / 240SX S13 SR20DE/DET MT 1990–1998
Application: Nissan Silvia / 180SX / 200SX / 240SX | E-PS13 & E-RPS13 | SR20DE & SR20DET Petrol RWD | Manual Transmission
Part Number: HH020252N / KH020252NU06
The S13 platform is one of the most popular and enduring chassis in the performance world — lightweight, rear-wheel drive, and endlessly tuneable. Whether you're running a naturally aspirated SR20DE or a turbocharged SR20DET, keeping coolant temperatures in check is fundamental to getting the most out of this platform, especially on track or in drift applications where the engine is under sustained load.
Koyorad's all-aluminium radiator is a direct bolt-in performance upgrade for the S13, engineered to the same factory fit and mounting points as the OE unit. Nocolok furnace brazed, precision TIG welded by hand, and triple pressure tested — it retains all OEM fan shroud mounts and stock hose connections with no modifications required.
Why Koyorad?
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Precise Tube & Fin Alignment — Strict quality control ensures optimal coolant flow and maximum heat transfer efficiency across the entire core.
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Nocolok Furnace Brazing — All tubes, fins, headers, and brackets are bonded in a state-of-the-art Nocolok furnace, creating a structure that resists vibration, road debris, and the elements.
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Billet Filler Neck — Precision-machined billet filler necks are fitted to every unit for superior strength, durability, and a reliable seal.
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OE-Specific Mounting — Application-specific mounting points for fan shrouds, inlet/outlet hoses, and top/bottom pins ensure a pain-free, no-modification install.
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Hand-Crafted Heliarc Welds — Each radiator is individually Heliarc welded by hand, creating the strongest possible aluminium-to-aluminium bond across all components.
