OE Quality
60-Day Returns

Rein CHR0379R Radiator Coolant Hose - Upper
Overview of Rein Radiator Coolant Hose for BMW Z4
The Rein radiator coolant hose, part number CHR0379R, is designed specifically for BMW Z4 models. Engineered to meet SAE J20 R4 D2 industry standards, this hose offers reliable performance and durability in demanding automotive cooling systems.
Key Features of Rein Radiator Coolant Hose CHR0379R
- Application-specific design for precise fitment on BMW Z4 vehicles
- 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 15 inches (38.1 cm) with consistent inside diameter of 1.81 inches (4.6 cm)
- Single hose type in black color, manufactured in Turkey
Detailed Product Description
The Rein radiator coolant hose CHR0379R is a single, application-specific hose made from EPDM, a material known for its resistance to heat, oil, salt, and road contaminants. With a centerline length of 15 inches and matching inside diameters of 1.81 inches on both ends, this hose ensures a secure and leak-free connection within the cooling system of BMW Z4 models. Its design eliminates the need for cutting or adjusting during installation, streamlining the replacement process and reducing the risk of improper fitment. The hose complies with SAE J20 R4 D2 standards, ensuring it meets rigorous automotive quality and performance requirements.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses on BMW Z4 vehicles
- Prevention of coolant leaks caused by degraded or damaged hoses
- Elimination of installation errors related to hose length or diameter mismatches
- Mitigation of failures due to exposure to heat, oil, and road contaminants
- Improvement of cooling system reliability by avoiding reuse of old quick connectors
Installation Notes and Tips
Installation of the Rein radiator coolant hose CHR0379R is straightforward due to its application-specific design. No cutting, refitting, or adjusting is necessary, which reduces installation time and potential errors. Ensure that the hose ends are properly seated on the radiator and engine fittings, and replace any old quick connectors to prevent leaks. Verify that clamps are securely tightened to maintain a leak-free seal.
Quality Assurance and Warranty
Manufactured to meet SAE J20 R4 D2 industry standards, the Rein radiator coolant hose CHR0379R offers dependable quality and durability. Made from EPDM material and produced in Turkey, this hose is engineered to withstand harsh automotive environments. While specific warranty details are not provided, Rein products typically adhere to strict quality control processes to ensure long-lasting performance in BMW Z4 cooling systems.
| Brand | Rein |
|---|---|
| Part Number | CHR0379R |
| Application Type | ApplicationSpecific |
| Centerline Length Inches | 15.0000 |
| Centerline Length Metric | 38.1000000 |
| Color | Black |
| Container Type | BG |
| Country of Origin | TR |
| Heat Shield Inc | No |
| Hose End 1 Inside Diameter Inches | 1.8100 |
| Hose End 1 Inside Diameter Metric | 4.5974000 |
| Hose End 1 Outside Diameter Inches | 2.0500 |
| Hose End 1 Outside Diameter Metric | 5.2070000 |
| Hose End 2 Inside Diameter Inches | 1.8100 |
| Hose End 2 Inside Diameter Metric | 4.5974000 |
| Hose End 2 Outside Diameter Inches | 2.0500 |
| Hose End 2 Outside Diameter Metric | 5.2070000 |
| Hose Material | EPDM |
| Hose Type | Single |
| Industry Standards | SAE J20 R4 D2 |
| Item Height | 3.5000 |
| Item Length | 15.0000 |
| Item Level GTIN | 843266035603 |
| Item Qty | 1 |
| Item UOM | EA |
| Item Weight | 0.6600 |
| Item Weight Unit UOM | LB |
| Item Width | 2.0000 |
| Link to Manufacturer Page | www.reinautomotive.com |
| Maximum Working Pressure | 50.0000 |
| Product Desc Extended 240 | Rein OE Quality radiator hoses are designed to be direct replacements for OE hoses and assemblies. Rein hoses are identical, from the size and shape of their branches to the thermoplastic quick connect fittings, as called for by the OE. |
| Product Desc Invoice 40 | Rein Radiator Hose |
| Product Desc Long 80 | Rein OE Quality Radiator Hose |
| Product Desc Short 20 | Radiator Hose |
| Protective Shield Inc | No |
| Tech Note | Complete OE Quality Direct Fit European Hose |
| Warranty Distance | 24000 |
| Warranty Time | 24 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | BMW | Z4 | 2.5L | L6 | Upper | |
| 2005 | BMW | Z4 | 3.0L | L6 | Upper | |
| 2004 | BMW | Z4 | 2.5L | L6 | Upper | |
| 2004 | BMW | Z4 | 3.0L | L6 | Upper | |
| 2003 | BMW | Z4 | 2.5L | L6 | Upper | |
| 2003 | BMW | Z4 | 3.0L | L6 | Upper |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.