Dayco 71051 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71051

The Dayco Curved Radiator Hose 71051 is designed to provide reliable coolant flow for select Mazda, Nissan, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.

• Constructed from EPDM for heat and chemical resistance
• Black color with a curved design for precise fitment
• Inside diameter of 1 5/16 inches on both ends
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type without heat shield or protective sleeve
• Trunk height of 14 inches for proper routing

Detailed Product Description

This Dayco Curved Radiator Hose 71051 is manufactured from EPDM (ethylene propylene diene monomer) rubber, known for its resistance to heat, ozone, and coolant chemicals. The hose features a consistent inside diameter of 1 5/16 inches on both ends, making it suitable for coolant systems requiring a single i.d. hose. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for radiator coolant hoses. The hose does not include a heat shield or protective sleeve, which is typical for applications where additional protection is not necessary. Its 14-inch trunk height supports proper installation and routing within the engine bay.

Compatible Vehicles and Applications

This radiator coolant hose is compatible with various models from Mazda, Nissan, and Pontiac, including Mazda 626, Nissan 200SX, Nissan 720, Nissan B2000, Nissan D21, and Pontiac Acadian. The Dayco Curved Radiator Hose 71051 is designed to replace original equipment hoses in these vehicles, ensuring proper coolant flow and system integrity.

Common Issues Addressed by This Radiator Hose

• Coolant leaks caused by cracked or worn radiator hoses
• Overheating due to restricted or collapsed hoses
• Swelling or softening of hoses from chemical exposure
• Improper fitment leading to coolant system pressure loss
• Degradation from heat and ozone exposure over time

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose
• Check hose clamps and replace if corroded or damaged
• Verify the hose routing matches the original to avoid kinks
• Inspect surrounding components for wear or damage during installation
• Tighten clamps securely but avoid over-tightening to prevent hose damage

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71051 to meet SAE specifications, providing assurance of material quality and dimensional accuracy. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and performance. Users should consult product documentation or the manufacturer for warranty information.