Koyo - Radiator HH Series HH020252N - 89-94 Nissan 240SX S13

KoyoSKU: HH020252N

Sale price$399.00

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Koyorad - Radiator HH Series HH020252N - 89-94 Nissan 240SX S13

The HH Series radiator core from Koyorad is designed with a 48mm ultra high fin density for optimal heat transfer. Each radiator undergoes precise design and manufacturing by Koyo, making it a perfect direct-fit replacement for the stock OE plastic/aluminum radiator. No modifications are necessary for installation. Additionally, Koyo has incorporated a 1/8" NPT female accessory fitting (with a threaded plug) to accommodate temperature sensors commonly found in aftermarket temperature gauges. 

Koyorad's exceptional reputation for high-quality performance radiators is attributed to their privately owned factories in Japan. With direct oversight at every stage of production, Koyorad ensures that quantity never compromises quality. Their all-aluminum radiator cores are carefully crafted through a meticulous process of hand assembly, Nocolok brazing, and TIG welding using top-grade aluminum. These are just some qualities that make Koyorad Radiators a top choice for performance radiators worldwide.


  • Koyorad “HH” Series 48mm Hyper Core
  • OE Specific mounting and direct fit
  • Nocolok-R Brazing
  • Precise Tube and Fin alignment
  • Billet aluminum filler neck
  • 1/8” NPT female accessory fitting


1989-1994 Nissan 180SX / S13 Silvia 2.0L TBO I4 (MT)

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