OE Quality
60-Day Returns

Rein CHR0021P Radiator Coolant Hose - Lower
Overview of Rein Radiator Coolant Hose for BMW X5
The Rein CHR0021P radiator coolant hose is designed specifically for the BMW X5, providing a reliable and precise fit. Engineered to reduce installation time, this hose eliminates the need for cutting, refitting, or adjusting, ensuring a straightforward replacement process.
- Reduces installation time with application-specific design
- 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
- Durable EPDM hose material compliant with SAE J20 R4 D1 standards
Product Details and Specifications
The Rein CHR0021P radiator coolant hose features a centerline length of 15.75 inches (40.005 cm) and is constructed from EPDM, a material known for its resistance to heat and chemical exposure. The hose has three ends with precise inside and outside diameters: Hose End 1 and 3 measure 1.81 inches (4.597 cm) inside diameter and 2.05 inches (5.207 cm) outside diameter, while Hose End 2 measures 0.83 inches (2.108 cm) inside diameter and 0.95 inches (2.413 cm) outside diameter. This single hose is black in color and packaged in a bag container type. Manufactured in Germany, it meets industry standards for durability and performance.
Compatible Vehicles and Applications
This radiator coolant hose is compatible with BMW X5 models, ensuring a precise fit and reliable performance. The application-specific design means it is tailored to the cooling system requirements of the BMW X5, reducing the risk of leaks and installation errors.
- Replacement for worn or damaged radiator coolant hoses on BMW X5
- Prevents coolant leaks caused by degraded or cracked hoses
- Eliminates issues related to improper hose fitment or quick connector reuse
- Helps maintain optimal engine temperature by ensuring coolant flow
- Protects against damage from road contaminants and environmental exposure
Installation Notes and Tips
The Rein CHR0021P hose is designed for direct installation without the need for cutting or modification. It is recommended to inspect and replace any old quick connectors to prevent leaks. Ensure all connections are secure and free from debris before installation. Using the correct tools and following manufacturer guidelines will help achieve a proper fit and reliable seal.
Quality Assurance and Warranty
Manufactured in Germany, the Rein CHR0021P radiator coolant hose adheres to SAE J20 R4 D1 industry standards, ensuring high resistance to heat, oil, salt, and road debris. While specific warranty details are not provided, Rein products are known for meeting stringent quality controls to support long-term durability and performance in automotive cooling systems.
| Brand | Rein |
| Part Number | CHR0021P |
| Application Type | ApplicationSpecific |
| Centerline Length Inches | 15.7500 |
| Centerline Length Metric | 40.0050000 |
| Color | Black |
| Container Type | BG |
| Country of Origin | DE |
| 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 | 0.8300 |
| Hose End 2 Inside Diameter Metric | 2.1082000 |
| Hose End 2 Outside Diameter Inches | 0.9500 |
| Hose End 2 Outside Diameter Metric | 2.4130000 |
| Hose End 3 Inside Diameter Inches | 1.8100 |
| Hose End 3 Inside Diameter Metric | 4.5974000 |
| Hose End 3 Outside Diameter Inches | 2.0500 |
| Hose End 3 Outside Diameter Metric | 5.2070000 |
| Hose Material | EPDM |
| Hose Type | Single |
| Industry Standards | SAE J20 R4 D1 |
| Item Height | 3.5000 |
| Item Length | 15.7500 |
| Item Level GTIN | 843266046548 |
| Item Qty | 1 |
| Item UOM | EA |
| Item Weight | 0.6900 |
| Item Weight Unit UOM | LB |
| Item Width | 6.0000 |
| 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 |
| Qty of Quick Connect Fittings | 2 |
| 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 |
|---|---|---|---|---|---|---|
| 2006 | BMW | X5 | 3.0L | L6 | Lower | Quick Connectors included for easy installation of HVAC heater hose. |
| 2005 | BMW | X5 | 3.0L | L6 | Lower | Quick Connectors included for easy installation of HVAC heater hose. |
| 2004 | BMW | X5 | 3.0L | L6 | Lower | Quick Connectors included for easy installation of HVAC heater hose. |
| 2003 | BMW | X5 | 3.0L | L6 | Lower | Quick Connectors included for easy installation of HVAC heater hose. |
| 2002 | BMW | X5 | 3.0L | L6 | Lower | Quick Connectors included for easy installation of HVAC heater hose. |
| 2001 | BMW | X5 | 3.0L | L6 | Lower | Quick Connectors included for easy installation of HVAC heater hose. |
* 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.