Koyo Aluminum Radiator

2003–2005 Dodge Neon SRT-4

V2362

Overview:

The Koyo Aluminum Radiator (36mm) is a high-quality cooling solution designed specifically for the 2003 to 2005 Dodge Neon SRT-4 equipped with a manual transmission. Engineered to address clearance challenges posed by the engine configuration and size, this radiator features a thinner 36mm core that fits perfectly without requiring modifications. Whether you are a daily driver or a circuit enthusiast, this radiator provides reliable cooling performance to keep your turbocharged engine running efficiently under demanding conditions.

Built to be a direct bolt-in replacement, the Koyo radiator maintains factory mounting points and supports the stock fan shrouds and fans, ensuring a seamless upgrade experience. Note that the factory radiator cap is not compatible; the Koyo SKC-13 radiator cap is required and sold separately.

Key Features:

This Koyo radiator combines advanced design and durable materials to deliver dependable cooling performance. Key features include:

• 36mm core thickness designed for tight engine bay clearances
• All-aluminum construction for superior heat dissipation and corrosion resistance
• Nocolok brazed manufacturing process for enhanced strength and leak prevention
• Direct factory fit with no engine or chassis modifications required
• Retention of stock fan shroud and fan mounts for easy installation
• Optimized for manual transmission Dodge Neon SRT-4 models from 2003 to 2005
• Suitable for both daily driving and competitive circuit use
• Requires Koyo SKC-13 radiator cap (sold separately) due to different pressure specifications

Construction & Design:

The Koyo Aluminum Radiator features a robust all-aluminum design that maximizes thermal conductivity while minimizing weight. The radiator core is precision-engineered with a 36mm thickness to fit the compact engine bay of the Dodge Neon SRT-4 without clearance issues common with thicker cores. The Nocolok brazing technique used in assembly ensures a strong, leak-resistant bond between the core and tanks, enhancing durability and longevity under high-temperature conditions.

Designed as a direct factory replacement, this radiator preserves the original mounting points and supports the stock cooling fan setup, making it a practical upgrade that maintains the vehicle’s OEM integrity.

Installation & Fitment:

Installation of the Koyo Aluminum Radiator is straightforward and designed to be a direct bolt-in replacement for 2003–2005 Dodge Neon SRT-4 manual transmission models. No engine modifications or custom fabrication are necessary, allowing for a hassle-free upgrade. The radiator retains all factory mounting locations and supports the original fan shrouds and fans, simplifying the installation process.

It is important to note that the factory radiator cap will not fit this model. The Koyo SKC-13 radiator cap must be purchased separately to ensure proper sealing and pressure management.

What's Included:

• Koyo Aluminum Radiator (36mm core)
• Direct bolt-in mounting hardware (if applicable)

Ideal For:

This radiator is ideal for Dodge Neon SRT-4 owners seeking a reliable, high-performance cooling upgrade that fits within tight engine bay constraints. It is well suited for enthusiasts who drive their vehicles daily or participate in track events and require consistent engine cooling without sacrificing fitment or ease of installation. Manual transmission models from 2003 to 2005 will benefit most from this radiator’s design and performance characteristics.

Koyorad (Koyo) builds cooling system upgrades, including application-specific aluminum performance radiators designed to improve heat rejection for hard-driven street and track vehicles. It’s a trusted choice for boosted and high-revving builds where controlling coolant temps is critical to consistent power and reliability.