HomeBelts and Cooling > Hoses and PipesGenuine 11531711381 Radiator Coolant Hose - Lower
Part #: 11531711381

Genuine 11531711381 Radiator Coolant Hose - Lower

Lower
18 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$53.46Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 540i, 740i, and 740iL
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Radiator Coolant Hose for BMW 540i and 740i Models

The Genuine radiator coolant hose with part number 11531711381 is designed specifically for BMW 540i, 740i, and 740iL models. This essential cooling system component ensures proper coolant flow and engine temperature regulation.

  • Compatible with BMW 540i, 740i, and 740iL models
  • Genuine part number 11531711381 for precise fitment
  • Constructed to withstand high temperatures and pressure
  • Durable material resists cracking and leaks
  • Direct replacement for original equipment

Durable Construction and Precise Fitment

This radiator coolant hose is engineered to meet the exact specifications of BMW vehicles, ensuring a secure and leak-free connection within the cooling system. The hose material is selected to endure the thermal and mechanical stresses typical in BMW 540i and 740i engines. Using part number 11531711381 guarantees compatibility and maintains the integrity of your vehicle’s cooling performance.

Purpose and Common Issues Addressed

  • Prevents coolant leaks that can lead to engine overheating
  • Replaces worn or cracked hoses to maintain coolant flow
  • Eliminates swelling or softening caused by heat exposure
  • Restores proper pressure handling within the cooling system
  • Helps avoid engine damage due to coolant loss

Installation Notes and Tips

  • Ensure the engine is cool before removing the old hose
  • Inspect clamps and replace if corroded or damaged
  • Verify the hose routing matches OEM specifications
  • Check for leaks after installation by running the engine
  • Use appropriate tools to avoid damaging hose ends

Quality Assurance and Warranty

As a Genuine BMW part, the radiator coolant hose 11531711381 meets strict quality standards for fit, form, and function. It is manufactured to OEM specifications to provide reliable service life. Warranty coverage is subject to the terms provided by BMW Genuine Parts, ensuring confidence in your replacement component.

This part fits 18 vehicles. Search below:

YearMakeModelBody TypeTransmissionPositionNotes
2003BMW540iSedanN/AExpansion Tank To Water Pump
2003BMW540iWagonAutomaticN/AExpansion Tank To Water Pump
2002BMW540iSedanN/AExpansion Tank To Water Pump
2002BMW540iWagonAutomaticN/AExpansion Tank To Water Pump
2001BMW540iSedanN/AExpansion Tank To Water Pump
2001BMW540iWagonAutomaticN/AExpansion Tank To Water Pump
2001BMW740iLowerExpansion Tank To Water Pump
2001BMW740iLLowerExpansion Tank To Water Pump
2000BMW540iSedanN/AExpansion Tank To Water Pump
2000BMW540iWagonAutomaticN/AExpansion Tank To Water Pump
2000BMW740iLowerExpansion Tank To Water Pump
2000BMW740iLLowerExpansion Tank To Water Pump
1999BMW540iSedanN/AExpansion Tank To Water Pump
1999BMW540iWagonAutomaticN/AExpansion Tank To Water Pump
1999BMW740iLowerExpansion Tank To Water Pump
1999BMW740iLLowerExpansion Tank To Water Pump
1998BMW740iLowerExpansion Tank To Water Pump; From 09/98
1998BMW740iLLowerExpansion Tank To Water Pump; From 09/98

* 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.