RADIATOR HOSE LOWER TOYOTA 3Y (VIN-00954)

The Lower Radiator Hose for Toyota 3Y (OEM Part No. 16572-71030) is a high-quality engine cooling system component designed to transfer coolant between the radiator lower outlet and the engine water pump inlet. Manufactured to Toyota OEM specifications, this hose is engineered for excellent resistance to heat, pressure, vibration, and coolant chemicals, ensuring efficient coolant circulation and long service life under diverse driving conditions.

This hose provides the critical bottom-side connection in the cooling circuit and plays a key role in maintaining stable engine operating temperatures and preventing overheating.

OEM & Reference Details

• OEM Part Number: 16572-71030
• Component Type: Lower Radiator Hose / Coolant Hose
• System: Engine Cooling — Lower Radiator Circuit
• Engine Compatibility: Toyota 3Y series petrol engines

Vehicle Model Application

The lower radiator hose with OEM Part No. 16572-71030 is commonly used in vehicles equipped with the Toyota 3Y engine, such as:

• Toyota HiAce (3Y petrol engine variants)
• Toyota Qualis / Grand HiAce (3Y engine variants)
• Toyota LiteAce / TownAce (3Y petrol variants)
• Toyota Pickup / Hilux (older 3Y carbureted petrol versions)
• Other Toyota utility and commercial models powered by the 3Y engine

Final fitment depends on model year and cooling layout. Always confirm part number and engine code prior to installation.

Function & Application

• Transfers coolant from radiator lower outlet to engine water pump
• Facilitates continuous coolant flow through engine and radiator
• Helps regulate engine operating temperature
• Supports effective heat dissipation

Construction & Design

• Material: High-grade, heat-resistant rubber compound
• Reinforcement: Multi-layer fabric for pressure strength
• Finish: Smooth inner bore for optimal coolant flow
• Shape & Bends: Engineered bends and contours for 3Y engine routing
• Connection Style: OEM-matched bead/flare ends for secure clamp fit

Performance Benefits

• Excellent resistance to heat, coolant chemicals, and age hardening
• Long service life with minimal cracking or swelling
• Engineered for proper fitment and routing
• Maintains consistent coolant circulation and cooling performance

Replacement Recommendation

Replace the lower radiator hose if any of the following are observed:

• Soft spots, blistering, or cracking along hose length
• Coolant leakage at the lower radiator connection
• Hose has hardened or swollen with age
• During full cooling system service or overhaul

Timely replacement helps ensure reliable cooling performance and protection against engine overheating.

Why Choose VINSON

Choosing VINSON ensures OEM-matched quality, precise dimensions, and long-lasting performance—reducing coolant leaks and minimizing maintenance downtime.