Koyorad: Alloy Radiator: NISSAN Silvia S14 KA24DE (USA)
Upgrade your Nissan Silvia/200SX (S13–S14, manual, 1993–1998) or 180SX V8 or KA/SR20 turbo conversion with the Koyorad HH-Series 48 mm Hyper-Core Radiator (KH020645). Featuring an ultra-high-density, thick 48 mm core, this all-aluminum radiator maximizes heat transfer for superior cooling under boosted or high-load conditions. Precision-built in Japan, it’s Nocolok-brazed and hand TIG-welded to aircraft-grade quality, ensuring leak-resistant durability. he direct-fit design installs easily with stock mounts, fans, shrouds, hoses, and includes a billet filler neck plus 1/8″ NPT sensor port—no modifications needed. Ideal for street, drift, and track use, this radiator provides up to 35% more cooling than OEM units.
USA Part Nos.: HH020645
OEM Part Nos: 2145070F00
Car Models: Silvia / 240SX S14 2.4 10/93-
Diagrams:

Koyorad Code Notes
KS* 25mm core thickness, 1 row
KV* 36mm core thickness, 2 row
KH* 48mm core thickness, 2 row
KL* 53mm core thickness, 2 row
V / U06* at the end = deviation from OE
R* at the end = widerfin pitch
N* at the end = N flow, a partition in the tank to create N shape coolant flow for better cooling efficiency, triple pass
Material is Full Aluminum
Transmission - ALL MT type (No oil cooler), except for models with w/ OC indication. AT needs external oilcooler.
Fillerneck - All radiators with fillerneck are excl caps, these require the old system caps.
Please note that all cross references information are subject to errors and changes. Stock Images Used. Actual Product May Vary.