Vaico
VAICO

Vaico V20-2355 Engine Coolant Reservoir Hose - Outer

Brand Vaico V20-2355
Position Outer
Cooling Hose From expansion tank to distributor
for OE number 17 12 7 578 403
Height [mm] 93
Length [mm] 418
Packaging height [cm] 9,3
Packaging width [cm] 22,8
Vehicle Equipment For vehicles with automatic transmission
Weight [kg] 0.574
Width [mm] 228
Product line VAICO
Fits BMW · 1 vehicle

Cooling hose. Connects the expansion tank to the distributor.

Automatic-transmission fitment. Made for vehicles equipped with an automatic transmission.

VAICO line. A trusted brand in cooling system components.

Cross-references 7 578 403 and 17 12 7 578 403 for the same application. See all 2.

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Engine Coolant Reservoir Hose for BMW 528i

Vaico V20-2355 is an engine coolant reservoir hose for the expansion tank to distributor connection. It is specified for vehicles with automatic transmission and matches OE number 17 12 7 578 403 for direct replacement planning on the 2011 BMW 528i outer application.

Key Features

  • Cooling hose routed from the expansion tank to the distributor
  • Built to match OE number 17 12 7 578 403
  • Length: 418 mm
  • Height: 93 mm
  • Width: 228 mm
  • Vehicle equipment note: for vehicles with automatic transmission
  • Vaico part number V20-2355

Fitment and Application

Compatible With 2011 BMW 528i, outer position. This Vaico cooling hose is listed for the 2011 BMW 528i and supports OE-style replacement where the original hose routes coolant from the expansion tank to the distributor. The part number V20-2355 is also referenced for OE number 17 12 7 578 403.

VAICO product line details: VAICO focuses on replacement components that follow OE specifications for European vehicle cooling and engine systems. For buyers searching BMW 528i coolant reservoir hose, expansion tank hose, or outer cooling hose replacement, V20-2355 is the catalog reference to verify against the original part.

What This Hose Helps Address

  • Coolant seepage at the expansion tank hose connection
  • Cracked or aged hose material from heat cycling
  • Incorrect hose routing on the BMW 528i cooling circuit
  • OE number mismatch during parts lookup
  • Cooling system service on automatic-transmission vehicles

Installation Notes and Tips

Confirm the OE number 17 12 7 578 403 and compare the hose length, height, and width before installation. Verify the routing from the expansion tank to the distributor and inspect adjoining cooling system connections for wear, residue, or hardening. Fitment is listed for the 2011 BMW 528i, outer position, so match the vehicle configuration and transmission type before ordering.

Quality Assurance

Vaico V20-2355 is cataloged as an OE-number-matched replacement hose for the specified BMW application. Cross-reference part numbers for the same application include 7 578 403 and 17 12 7 578 403.

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2011BMW528iOuterGrade: Aftermarket; With OE No. 17127578403; VAICO
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
7 578 40317 12 7 578 403