Gates 23937 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 23937

The Gates Molded Coolant Hose 23937 is designed specifically for the Lexus ES350, providing reliable radiator coolant flow. Made from durable EPDM material, this molded radiator coolant hose ensures consistent performance and longevity under typical engine operating conditions.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and secure connections
• Centerline length of 15.98 inches (406 mm) for exact fitment
• Inside diameter of 1.35 inches (34 mm) on both ends
• Compatible with Lexus ES350 radiator coolant systems
• Does not contain internal springs or quick connect fittings

Detailed Product Description

This radiator coolant hose, part number 23937, is part of the Gates Molded Coolant Hose product line, which focuses on molded hoses engineered for specific vehicle applications. The molded construction ensures a precise shape that matches the original equipment manufacturer (OEM) specifications, reducing the risk of leaks and improving coolant flow efficiency. The EPDM material offers resistance to heat, ozone, and coolant chemicals, making it suitable for the demanding environment of the Lexus ES350 engine bay.

The hose features a consistent inside diameter of 1.35 inches (34 mm) on both ends, allowing for secure attachment to radiator and engine fittings. With a centerline length of 15.98 inches (406 mm), it fits the cooling system layout of the Lexus ES350 without modification. This hose does not include springs or quick connect fittings, reflecting its straightforward design for direct replacement.

Common Applications and Problem Resolution

• Replacement of worn or cracked radiator coolant hoses on Lexus ES350
• Addressing coolant leaks caused by hose degradation
• Restoring proper coolant flow to prevent engine overheating
• Eliminating hose collapse or swelling under pressure
• Maintaining cooling system integrity during routine maintenance

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 23937, ensure the engine is cool to avoid burns from hot coolant. Verify that the hose routing matches the original path to prevent kinks or interference with other engine components. Use appropriate clamps to secure both ends firmly, and inspect adjacent hoses and fittings for wear during replacement. No internal springs or quick connect fittings are present, so standard hose clamps are required for installation.

Quality Assurance and Warranty

Gates is a recognized manufacturer of automotive hoses and belts, adhering to industry standards for material quality and manufacturing precision. The Molded Coolant Hose line, including part number 23937, is engineered to meet or exceed OEM specifications for the Lexus ES350. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship.