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Genuine 11531711381 Radiator Coolant Hose - Lower
| Brand | Genuine 11531711381 |
|---|---|
| Position | Lower |
| Fits | BMW · 18 vehicles |
OE direct replacement. Matches the original radiator coolant hose design for straightforward service.
Radiator coolant hose. Carries coolant through the cooling system to help maintain proper temperature.
Radiator Coolant Hose for BMW Cooling Service
This Genuine radiator coolant hose, part number 11531711381, connects the expansion tank to the water pump in select BMW cooling systems. It is a direct-fit replacement for BMW 540i and BMW 740i/740iL applications listed below.
Key Features
- Genuine replacement radiator coolant hose
- Part number 11531711381
- Fits expansion tank to water pump routing
- Compatible with select BMW 540i, 740i, and 740iL models
- OE-style fitment for cooling system service
Detailed Description
Use this Genuine coolant hose when replacing a worn, cracked, or leaking hose in the BMW cooling circuit. It is specified for the expansion tank to water pump connection on 1999-2003 BMW 540i, 1999-2001 BMW 740i and 740iL, and 1998 BMW 740i and 740iL built from 09/98. If you are searching for a BMW 540i radiator coolant hose or a BMW 740i lower coolant hose, part number 11531711381 matches the listed applications.
This part cross-references no listed aftermarket part numbers in the provided data.
What It Is Used For
- Replacing a leaking expansion tank to water pump hose
- Restoring coolant flow in the BMW cooling system
- Addressing hose cracking, swelling, or hardening
- Correcting coolant loss from a damaged hose connection
- Servicing overheating concerns tied to hose failure
Installation Notes and Tips
- Verify the vehicle year, model, and build date before ordering.
- Match the hose routing to the expansion tank to water pump path shown in the fitment data.
- Inspect adjacent cooling components for wear before installation.
- Confirm clamps and sealing surfaces are in good condition during service.
Quality Assurance
Genuine parts are built to meet original equipment application requirements for the listed BMW fitments. Part number 11531711381 is specified for the vehicles shown above.
| Year | Make | Model | Body Type | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | BMW | 540i | Sedan | — | N/A | Expansion Tank To Water Pump |
| 2003 | BMW | 540i | Wagon | Automatic | N/A | Expansion Tank To Water Pump |
| 2002 | BMW | 540i | Sedan | — | N/A | Expansion Tank To Water Pump |
| 2002 | BMW | 540i | Wagon | Automatic | N/A | Expansion Tank To Water Pump |
| 2001 | BMW | 540i | Sedan | — | N/A | Expansion Tank To Water Pump |
| 2001 | BMW | 540i | Wagon | Automatic | N/A | Expansion Tank To Water Pump |
| 2001 | BMW | 740i | — | — | Lower | Expansion Tank To Water Pump |
| 2001 | BMW | 740iL | — | — | Lower | Expansion Tank To Water Pump |
| 2000 | BMW | 540i | Sedan | — | N/A | Expansion Tank To Water Pump |
| 2000 | BMW | 540i | Wagon | Automatic | N/A | Expansion Tank To Water Pump |
| 2000 | BMW | 740i | — | — | Lower | Expansion Tank To Water Pump |
| 2000 | BMW | 740iL | — | — | Lower | Expansion Tank To Water Pump |
| 1999 | BMW | 540i | Sedan | — | N/A | Expansion Tank To Water Pump |
| 1999 | BMW | 540i | Wagon | Automatic | N/A | Expansion Tank To Water Pump |
| 1999 | BMW | 740i | — | — | Lower | Expansion Tank To Water Pump |
| 1999 | BMW | 740iL | — | — | Lower | Expansion Tank To Water Pump |
| 1998 | BMW | 740i | — | — | Lower | Expansion Tank To Water Pump; From 09/98 |
| 1998 | BMW | 740iL | — | — | Lower | Expansion Tank To Water Pump; From 09/98 |
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