Koyorad HH020252N N-FLO Radiator for 1989-1994 Nissan 180SX/Silvia S13 2.0L MT

Vehicle Fitment

• 1989-1994 Nissan 180SX (S13, 2.0L SR20DET I4, Manual Transmission)
• 1989-1994 Nissan Silvia (S13, 2.0L SR20DET I4, Manual Transmission)

Features

• N-FLO dual-pass radiator design for superior coolant heat dissipation
• All-aluminum construction for strength and lightweight performance
• 48 mm Hyper core thickness increases coolant capacity and cooling reserve
• High fin density promotes enhanced thermal transfer
• Precision Nocolok brazing for corrosion resistance and durability
• Direct OEM mounting - retains stock fan shroud and hose connections
• Triple pass coolant routing improves temperature stability under load
• Billet aluminum filler neck for reliable sealing and longevity

Specifications

• Part Number: HH020252N
• Core Thickness: 48 mm
• Compatible Engines: 2.0 L SR20DET I4 (Turbo)
• Transmission: Manual Transmission only (MT)
• Design: N-FLO dual-pass internal flow
• Core Material: All-aluminum
• Fitment Platforms: Nissan 180SX S13, Nissan Silvia S13
• Notes: Direct bolt-in with OEM mounts; no modifications required

Included Components

• 1x Koyorad HH020252N all-aluminum radiator assembly
• 1x Billet aluminum filler neck (installed)
• 1x Accessory port plug (1/8" NPT)

Product Description

The **Koyorad HH020252N N-FLO Radiator** is a high-performance cooling upgrade engineered specifically for **1989-1994 Nissan 180SX and Silvia S13** models equipped with the **2.0 L SR20DET turbocharged engine and manual transmission**. Its advanced N-FLO dual-pass design routes coolant through the radiator core multiple times before returning to the engine, significantly increasing heat transfer and cooling efficiency compared to stock radiators. With a robust 48 mm thick all-aluminum Hyper core and high-density fin layout, this radiator helps maintain stable engine temperatures under spirited driving, extended street use, or track conditions.

Constructed with precision Nocolok brazing and billet aluminum components, the HH020252N offers corrosion resistance and long-term durability. The direct bolt-in design retains the OEM fan shroud and hose connections for easy installation without modifications. Ideal for performance enthusiasts and tuners looking to reduce operating temperatures on SR20DET engines, this radiator balances enhanced cooling performance with reliable fitment and factory-style mounting integrity.