Radiator For Honda TRX 420 Rancher 2007 To 2013 And TRX 500 Foreman 2012 To 2013 Direct Fit OEM Replacement

This radiator is a direct-fit cooling solution for the TRX 420 Rancher (2007-2013) and TRX 500 Foreman (2012-2013) quads, delivering reliable engine cooling when you’re pushing through tough terrain or heavy farm work. It serves as a like-for-like replacement that restores optimal temperatures and minimizes heat-related performance drops. Built from premium aluminum and engineered for rugged use, it provides efficient heat transfer and long-lasting durability. Replaces OEM 19010-HP5-601.

This aftermarket radiator brings real value to the trail and the job site: a lighter, more robust core with wider fin spacing improves cooling efficiency under demanding conditions, while TIG-welded mounting tabs boost structural strength. The aluminum construction reduces weight without sacrificing rigidity, helping the quad remain balanced on rough terrain. It’s designed to bolt in with OEM-style mounting points, making installation straightforward and dependable. Approximately 10% lighter than the original, with enhanced heat dissipation through an open fin design.

Comprehensive Vehicle Fitment

Fitment notes and model coverage are supported by multiple aftermarket catalogs and OEM cross-reference data, confirming compatibility across the stated years and model lines.

Product Specifications

Cross-reference data drawn from OEM catalogs and aftermarket suppliers confirms these part numbers and construction details, including aluminum core and one-row design.

OEM & Aftermarket Cross-Reference Information

Cross-reference data compiled from OEM catalogs and multiple aftermarket suppliers confirms both OEM references and solid aftermarket alternatives.

What’s Included

In the box you’ll find:

• Radiator assembly

Note: related parts such as mounting hardware and hoses are not included.

Why Choose This Aftermarket Replacement?

• Direct-Fit Compatibility: Designed to bolt into OEM mounting points without modification, keeping installation simple and reliable.
• OEM Cross-Reference: Strong cross-reference to 19010-HP5-601 and 19010-HP5-G20 ensures proven compatibility.
• Premium Materials: Fully aluminum core with TIG-welded mounting tabs for long-lasting durability in rugged conditions.
• Performance Restoration: Restores cooling efficiency lost to worn or damaged radiators, preventing overheating during demanding use.
• Enhanced Cooling Design: Wider fin spacing and a one-row core improve heat transfer and airflow management.
• Lightweight Durability: Rough-terrain friendly weight reduction helps maintain balance and reduces strain on mounting hardware.

Installation Notes:

• Drain the cooling system before removing the old radiator to minimize coolant loss and spills.
• Inspect mounting brackets and foam/rubber grommets; replace any cracked or worn pieces to maintain proper isolation and fit.
• Since the unit uses OEM-style mounting points, align the radiator carefully before starting fasteners; loosely fit first to ensure proper clearance with fans and shrouds.
• Verify there is no sensor port on the radiator (per listing this model has no sensor port); transfer or cap any sensor lines from the old unit if applicable.
• Replace or upgrade hose clamps during installation to prevent leaks; ensure hose routing avoids sharp bends near inlet/outlet fittings.
• Refill and bleed the cooling system after installation; start the engine and monitor for leaks once the system reaches operating temperature.

Why Upgrade?

Running a worn radiator increases the risk of coolant loss, hotspot overheating, and potential engine damage under load. Upgrading to this aftermarket replacement restores reliable cooling performance, helps maintain consistent operating temperatures, and provides a durable aluminum core built to withstand off-road use. This replacement returns you to trusted, repeatable cooling under trail or farm conditions.