422175-5550 DENSO Genuine New Radiator.1 Qty and 48 similar items

DENSO Genuine Radiator – 422175-5550 (Toyota Application) Product Overview The DENSO Radiator (422175-5550) is an OEM-grade engine cooling system component designed to maintain optimal engine operating temperature by efficiently dissipating heat from engine coolant. It ensures stable thermal management, preventing overheating and supporting consistent engine performance. Manufactured by DENSO, a leading OEM supplier, this radiator is engineered with high-precision aluminum core construction and durable plastic tank design, offering excellent cooling efficiency, corrosion resistance, and long service life. It is commonly used in Toyota diesel applications such as Hilux, Fortuner, and similar platforms. Product Specifications Specification Details Part Number 422175-5550 Product Name Radiator Assembly Title Format DENSO Genuine Radiator 422175-5550 Brand DENSO Manufacturer DENSO Corporation Category Engine Cooling System Component Type Engine Radiator Position Front Cooling Assembly Condition New Genuine / OEM Quality Material Aluminum core with reinforced plastic tanks Application Engine coolant heat dissipation Technical Details High-Efficiency Aluminum Core Design Constructed with multi-row aluminum fins to maximize heat transfer and maintain stable engine temperature under heavy load conditions. OEM Thermal Management Engineering Designed to match factory cooling specifications for consistent coolant flow and efficient heat exchange. Durable Plastic Tank Construction Side tanks are manufactured from high-strength heat-resistant polymer to reduce weight while maintaining pressure resistance. Corrosion Pressure Resistance Engineered to withstand long-term exposure to coolant chemicals, heat cycles, and internal system pressure. Direct OEM Fitment Matches Toyota factory mounting points, hose connections, and transmission cooler integration (where applicable), ensuring plug-and-play installation. Function Benefits Primary Function The radiator cools engine coolant by transferring heat from the hot coolant to the surrounding air, maintaining optimal engine temperature. Key Benefits Prevents engine overheating Maintains stable engine performance Improves fuel efficiency and engine life Ensures proper cooling under heavy load conditions OEM-quality fit and reliability Long-lasting corrosion resistance Signs of Replacement Replace the radiator if you notice: Engine overheating Coolant leakage from radiator body or tanks Cracked or brittle plastic end tanks Rust or internal clogging Poor heater or cooling performance Coolant mixing with transmission fluid (AT cooler failure) Compatibility Vehicle Applications The DENSO 422175-5550 radiator is commonly used in Toyota diesel platforms such as: Make Model Application Notes Toyota Hilux Diesel cooling system 2.5L / 3.0L variants Toyota Fortuner Engine cooling system Diesel models Toyota Vigo (Hilux) Radiator assembly system Common SEA market application ? Always verify exact fitment using VIN, engine code, and transmission type (M/T or A/T) before installation. Installation / Service Notes Drain coolant completely before removal Disconnect upper and lower radiator hoses Remove fan shroud and mounting brackets Install new radiator ensuring proper alignment Reconnect hoses and transmission cooler lines (if equipped) Refill with manufacturer-approved coolant Bleed air from cooling system Check for leaks and temperature stability Quality Reliability The DENSO Genuine 422175-5550 Radiator is built to OEM standards, ensuring reliable heat dissipation, strong structural integrity, and long-term durability. It is widely trusted as an original equipment supplier for Toyota cooling systems worldwide. Why Choose DENSO 422175-5550 Genuine OEM DENSO manufacturing quality Efficient and stable engine cooling performance Strong corrosion and pressure resistance Exact factory fitment for Toyota applications Proven durability under harsh driving conditions Reliable long-term thermal management