HomeBelts and Cooling > Radiators, Coolers and Related ComponentsGenuine 17127521775 Engine Coolant Reservoir Hose
Part #: 17127521775

Genuine 17127521775 Engine Coolant Reservoir Hose

⚙️ 18 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$81.45Free 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, 528i, 528i xDrive, 528xi, 525i, 525xi, 530i, 530xi, 545i, and 645Ci
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Genuine Engine Coolant Reservoir Hose

The Genuine Engine Coolant Reservoir Hose, part number 17127521775, is designed specifically for select BMW models. This component ensures proper coolant flow between the reservoir and engine, maintaining optimal engine temperature and performance.

  • Compatible with BMW 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, 530xi, 545i, and 645Ci models
  • Durable construction to withstand engine heat and pressure
  • OEM quality for reliable fit and function
  • Engine coolant reservoir hose designed to prevent leaks and maintain coolant system integrity
  • Direct replacement part number 17127521775

Product Details and Compatibility

This Genuine engine coolant reservoir hose is engineered to meet the specifications of BMW vehicles including the 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, 530xi, 545i, and 645Ci. The hose connects the coolant reservoir to the engine, facilitating proper coolant circulation and preventing overheating. Using part number 17127521775 ensures a precise fit and maintains the integrity of the cooling system.

Purpose and Common Issues Addressed

  • Prevents coolant leaks that can lead to engine overheating
  • Maintains proper coolant flow between reservoir and engine
  • Replaces cracked or brittle hoses caused by heat exposure
  • Helps avoid engine damage due to coolant system failure
  • Ensures consistent engine temperature regulation

Installation Notes and Tips

When installing the Genuine engine coolant reservoir hose (17127521775), ensure the engine is cool to avoid injury. Inspect the hose connections for corrosion or damage before installation. Use appropriate clamps to secure the hose and check for leaks after installation. This hose is a direct replacement for the specified BMW models, simplifying the installation process.

Quality Assurance and Warranty

Genuine parts like the 17127521775 engine coolant reservoir hose are manufactured to meet OEM standards, ensuring durability and performance. While specific warranty details may vary, Genuine parts typically come with a limited warranty covering defects in materials and workmanship, providing confidence in the product's reliability.

This part fits 18 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2010BMW528iAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2010BMW528i xDriveAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2009BMW528iAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2009BMW528i xDriveAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2008BMW528iAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2008BMW528xiAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2007BMW525iAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2007BMW525xiAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2007BMW530iAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2007BMW530xiAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2006BMW525iAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2006BMW525xiAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2006BMW530iAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2006BMW530xiAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2005BMW545iAutomaticN/AFrom Upper Expansion Tank Fitting to Radiator
2005BMW645CiN/AFrom Upper Expansion Tank Fitting to Radiator
2004BMW545iAutomaticN/AFrom 7/2004; From Upper Expansion Tank Fitting to Radiator
2004BMW645CiN/AFrom 7/2004; From Upper Expansion Tank Fitting 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.