Dayco 71494 Radiator Coolant Hose - Lower

Curved Lower Radiator Hose for Toyota Cooling Systems

Dayco 71494 is a curved radiator coolant hose made from EPDM for dependable coolant transfer in the engine cooling system. It is a black, single I.D. hose with 1 5/16-inch inside diameter at both ends, built to match lower hose routing on select Toyota applications.

Compatible with 1990-1995 Toyota 4Runner, lower, and 1989-1995 Toyota Pickup, lower, this Dayco Curved Radiator Hose supports direct replacement needs for common Toyota cooling system service. The Dayco 71494 part number is also useful when cross-checking OE and aftermarket references for the same application.

Key Features

• EPDM construction for cooling-system use
• Curved radiator hose profile for lower hose routing
• 1 5/16-inch inside diameter at both ends
• Black finish for a clean OE-style appearance
• Single I.D. hose design
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications

Product Details

Dayco Curved Radiator Hose 71494 is built for lower radiator hose service where a formed hose shape is required to follow the factory coolant path. The EPDM rubber construction is suited for hot coolant exposure, while the curved profile helps maintain proper routing in the engine bay. This hose is listed for Toyota 4Runner and Toyota Pickup applications, making it a practical choice for Toyota cooling system maintenance.

This part cross-references Toyota (e.g., 16572-65020) for the same application.

What It Helps Address

• Coolant leaks from a worn or cracked lower radiator hose
• Softening, swelling, or deterioration from heat and age
• Restricted coolant flow caused by hose collapse or internal damage
• Improper hose routing on lower cooling system connections
• Service replacement for aging Toyota 4Runner and Toyota Pickup cooling lines

Installation Notes and Tips

Verify hose routing, end diameters, and lower-position fitment before installation. Inspect adjoining clamps, radiator necks, and engine fittings for corrosion or damage, and replace any compromised components during cooling system service. After installation, refill and bleed the cooling system according to the vehicle service procedure and check for leaks at operating temperature.

Quality Assurance

Dayco manufactures this hose to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications for cooling-system service. The Dayco 71494 is a formed replacement hose intended to match the listed Toyota applications and support reliable coolant transfer in routine maintenance.