Genuine OEM Part - Built specifically for the Rato R740D 25 HP horizontal shaft engine. Efficient Cooling - Maintains proper oil temperature to protect internal components andextend engine life. Durable Construction-High-quality materials resist corrosion, vibration, and wear. Direct Fit - Exact factory replacement with correct mounting points, lines, and fittings. Complete Assembly- Includes cooler core and protective shield for long-lasting performance.