HomeBelts and Cooling > Hoses and PipesFebi 37721 Radiator Coolant Hose
Part #: 37721

Febi 37721 Radiator Coolant Hose

3 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, X3
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Reliable Radiator Coolant Hose for BMW X3

The Febi 37721 radiator coolant hose is designed specifically for the BMW X3, ensuring precise fitment and optimal cooling system performance. Crafted from durable materials, this hose connects the thermostat to the radiator, maintaining efficient coolant flow.

  • Constructed from EPDM and polyester for enhanced durability and heat resistance
  • Measures 385 mm in length for exact fitment in BMW X3 cooling systems
  • Designed to route coolant from the thermostat to the radiator
  • OEM-quality replacement part with part number 37721
  • Compatible with BMW X3 models requiring this specific coolant hose

Durable Materials and Precise Specifications

This radiator coolant hose is made from EPDM (ethylene propylene diene monomer) rubber combined with polyester reinforcement, providing excellent resistance to heat, ozone, and coolant chemicals. The 385 mm length ensures a proper connection between the thermostat and radiator, critical for maintaining the engine’s optimal operating temperature. The hose’s design supports the coolant flow direction, preventing leaks and ensuring system integrity.

Applications and Problem Resolution

  • Replaces worn or cracked radiator coolant hoses in BMW X3 vehicles
  • Prevents coolant leaks that can lead to engine overheating
  • Restores proper coolant circulation from thermostat to radiator
  • Addresses hose swelling or softening caused by heat exposure
  • Eliminates coolant contamination risks due to hose degradation

Installation Notes and Tips

When installing the Febi 37721 radiator coolant hose, ensure the engine is cool to avoid burns. Verify the hose routing matches the original path from the thermostat to the radiator. Use appropriate clamps to secure the hose ends and check for leaks after installation. Inspect adjacent components for wear to maintain overall cooling system reliability.

Quality Assurance and Warranty

Febi parts are manufactured to meet or exceed OEM standards, providing reliable performance for BMW X3 vehicles. The 37721 radiator coolant hose undergoes rigorous quality control to ensure durability and fitment accuracy. Warranty coverage details should be confirmed with the parts provider or manufacturer.

BrandFebi
Part Number37721
Coolant Hose / Pipe Directionfrom thermostat to radiator
Length (mm)385.0
MaterialEPDM
MaterialPolyester

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2006BMWX3N/AAdditional information: from thermostat to radiator; Length 1 (mm): 385; Material: EPDM (ethylene propylene diene Monomer (M-class) rubber) / Polyester; from thermostat to radiator
2005BMWX3N/AAdditional information: from thermostat to radiator; Length 1 (mm): 385; Material: EPDM (ethylene propylene diene Monomer (M-class) rubber) / Polyester; from thermostat to radiator
2004BMWX3N/AAdditional information: from thermostat to radiator; Length 1 (mm): 385; Material: EPDM (ethylene propylene diene Monomer (M-class) rubber) / Polyester; from thermostat to radiator

* 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.