Gates 51531 Lower Radiator Coolant Hose Premium Molded EPDM

The Gates 51531 is a premium molded lower radiator coolant hose engineered to deliver OEM-quality performance and fit. This factory-molded hose is precision-designed to replace worn or damaged radiator hoses in modern vehicles with compact engine compartments, providing a reliable cooling system solution that meets rigorous industry standards.

Key Features:

• Pre-shaped molded design ensures perfect fit and sealed conditions
• EPDM rubber construction with synthetic fiber knit reinforcement for maximum durability
• Engineered to resist electrochemical degradation, the leading cause of coolant hose failure
• Specifically-engineered materials resist collapse under vacuum, eliminating the need for internal springs
• Heat-, ozone-, and chemical coolant-resistant EPDM cover
• Temperature range: -40°F to +257°F (-40°C to +125°C)
• Meets SAE 20R4 Class D2 and DIN 73411 Class A specifications
• 12-1/2 inch centerline length with 1-5/16 inch and 1-7/16 inch end inside diameters

Technical Specifications:

• Position: Lower radiator hose from engine oil cooler
• Material: EPDM (Ethylene Propylene Diene Monomer) rubber
• Length: 12.5 inches (318mm centerline)
• End 1 ID: 1.31 inches (33mm)
• End 2 ID: 1.44 inches (37mm)
• Cross-references: ACDelco 23006M, Toyota 1657236160

Gates molded coolant hoses are manufactured to OEM specifications, saving time and money compared to dealer parts while maintaining the quality and performance standards required for demanding cooling system applications. Gates recommends replacing hose clamps each time a new coolant hose is installed for optimal performance.

Important: Do not use for fuel or oil transfer applications. Approved for coolant, water, and air applications including marine use.