Rein CHR0402R Radiator Coolant Hose - Lower

Overview of Rein Radiator Coolant Hose CHR0402R

The Rein radiator coolant hose CHR0402R is designed specifically for BMW 528i, 528i xDrive, and 528xi models. Engineered to meet SAE J20 R4 D1 industry standards, this hose offers reliable performance and durability for your vehicle's cooling system.

• Reduces installation time with a precise fit
• No cutting, refitting, or adjusting required
• Prevents leaks by avoiding reuse of old quick connectors
• Resistant to heat, salt, road debris, oil, and other contaminants
• Constructed from durable EPDM hose material

Detailed Product Description

The Rein CHR0402R radiator coolant hose is an application-specific replacement part tailored for BMW 528i, 528i xDrive, and 528xi vehicles. Measuring 10.5 inches (26.67 cm) in centerline length, this single hose features consistent inside diameters of 1.73 inches (4.39 cm) on both ends, with outside diameters of 2.01 inches (5.11 cm) and 2.05 inches (5.21 cm) respectively. Manufactured from EPDM, the hose provides excellent resistance to heat, oil, salt, and road debris, ensuring long-lasting service life under demanding engine conditions. The black hose is supplied in a bag container and originates from Turkey.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses on BMW 528i, 528i xDrive, and 528xi
• Eliminates coolant leaks caused by degraded or damaged hoses
• Prevents overheating issues related to compromised coolant flow
• Addresses failures from old or reused quick connectors
• Improves cooling system reliability in harsh driving environments

Installation Notes and Tips

• Designed for direct fit installation—no cutting or modification needed
• Ensure old quick connectors are replaced to prevent leaks
• Verify hose orientation and connection points before securing clamps
• Inspect surrounding components for wear during installation
• Use appropriate tools to avoid damaging hose ends or connectors

Quality Assurance and Warranty

Rein radiator coolant hoses comply with SAE J20 R4 D1 standards, ensuring compatibility and performance for BMW cooling systems. Manufactured with high-quality EPDM material, the CHR0402R part number undergoes rigorous quality control to meet durability and resistance requirements. While specific warranty details are not provided, Rein products typically adhere to industry quality benchmarks for automotive replacement parts.