Rein CHR0406R Radiator Coolant Hose - Upper

Overview of Rein Radiator Coolant Hose CHR0406R

The Rein radiator coolant hose, part number CHR0406R, is designed specifically for select BMW models including the 128i, 323i, 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, 330xi, and Z4. Engineered to meet SAE J20 R4 D1 industry standards, this hose offers reliable performance and durability for your vehicle's cooling system.

• Application-specific design for precise fitment on BMW 128i, 323i, 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, 330xi, and Z4 models
• Reduces installation time with no cutting, refitting, or adjusting required
• Prevents leaks and eliminates issues from reusing old quick connectors
• Constructed from heat, salt, oil, and road debris resistant EPDM material
• Centerline length of 10.75 inches (27.305 cm) with consistent inside and outside diameters for both hose ends

Detailed Product Description

The Rein CHR0406R radiator coolant hose is a single hose made from EPDM, a material known for its resistance to heat, oil, salt, and road contaminants. This hose is designed to fit precisely on various BMW models, ensuring a secure connection without the need for modifications. Both hose ends have an inside diameter of 1.81 inches (4.5974 cm) and an outside diameter of 2.13 inches (5.4102 cm), providing consistent flow and compatibility with the vehicle's cooling system components. The hose’s 10.75-inch centerline length allows for a direct replacement that reduces installation time and prevents leaks caused by improper fitment or worn connectors.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses on BMW 3 Series and Z4 models
• Eliminates coolant leaks caused by deteriorated or damaged hoses
• Prevents overheating issues related to compromised coolant flow
• Addresses hose failures due to exposure to heat, oil, and road debris
• Improves reliability by avoiding reuse of old quick connectors that may cause leaks

Installation Notes and Tips

The Rein CHR0406R hose is designed for direct installation without the need for cutting or adjustment. Ensure that the old hose and connectors are fully removed before installation to prevent leaks. Use appropriate clamps and verify that the hose is seated properly on both ends. The hose does not include a heat shield, so take care to route it away from excessive heat sources when possible.

Quality Assurance and Warranty

Manufactured to meet SAE J20 R4 D1 standards, the Rein radiator coolant hose offers dependable performance under demanding conditions. Made in Turkey, this hose undergoes quality control to ensure durability and resistance to common automotive contaminants. While specific warranty details are not provided, Rein products typically adhere to industry quality expectations for replacement hoses.