HomeEmission Control > Crankcase Ventilation SystemGenuine 11151720131 Engine Crankcase Breather Hose Connector
Part #: 11151720131

Genuine 11151720131 Engine Crankcase Breather Hose Connector

13 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$28.65Free 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, 850CSi, 750iL, 850Ci, and 850i
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 Crankcase Breather Hose Connector

The Genuine Engine Crankcase Breather Hose Connector, part number 11151720131, is designed specifically for select BMW models. This component plays a critical role in the crankcase ventilation system, ensuring proper engine performance and emission control.

  • Compatible with BMW 750iL, 850Ci, 850CSi, and 850i models
  • Direct replacement part number 11151720131 for accurate fit
  • Essential for maintaining crankcase pressure and reducing emissions
  • Durable construction to withstand engine environment
  • Ensures proper connection within the crankcase ventilation system

Detailed Product Description

This Engine Crankcase Breather Hose Connector from Genuine is engineered to meet the specifications of BMW vehicles including the 750iL, 850Ci, 850CSi, and 850i. It serves as a vital link in the crankcase ventilation system, connecting hoses that allow gases to be vented from the engine crankcase. Proper ventilation helps prevent pressure buildup and reduces harmful emissions, contributing to engine efficiency and compliance with emission standards. The part number 11151720131 ensures compatibility and reliable performance when replacing worn or damaged connectors.

Function and Common Issues Addressed

  • Prevents crankcase pressure buildup that can cause oil leaks
  • Reduces engine emissions by maintaining proper ventilation
  • Eliminates rough idling caused by faulty breather connections
  • Helps avoid engine performance issues related to crankcase ventilation
  • Prevents contamination of engine oil by ensuring proper gas flow

Installation Notes and Tips

  • Verify compatibility with BMW 750iL, 850Ci, 850CSi, and 850i before installation
  • Inspect surrounding hoses and clamps for wear during replacement
  • Ensure secure connections to prevent vacuum leaks
  • Use appropriate tools to avoid damage to the connector or hoses
  • Consult vehicle service manual for torque specifications and detailed procedures

Quality Assurance and Warranty

Genuine parts are manufactured to meet OEM standards, ensuring fit, form, and function for BMW vehicles. The Engine Crankcase Breather Hose Connector with part number 11151720131 undergoes quality checks to maintain durability and performance. Warranty coverage is subject to the terms provided by Genuine and typically covers defects in material and workmanship under normal use.

This part fits 13 vehicles. Search below:

YearMakeModelPositionNotes
1995BMW850CSiN/ACrank Case Ventilation; Non Return Valve
1994BMW750iLN/ACrank Case Ventilation; Non Return Valve
1994BMW850CiN/ACrank Case Ventilation; Non Return Valve
1994BMW850CSiN/ACrank Case Ventilation; Non Return Valve
1993BMW750iLN/ACrank Case Ventilation; Non Return Valve
1993BMW850CiN/ACrank Case Ventilation; Non Return Valve
1992BMW750iLN/ACrank Case Ventilation; Non Return Valve
1992BMW850iN/ACrank Case Ventilation; Non Return Valve
1991BMW750iLN/ACrank Case Ventilation; Non Return Valve
1991BMW850iN/ACrank Case Ventilation; Non Return Valve
1990BMW750iLN/ACrank Case Ventilation; Non Return Valve
1989BMW750iLN/ACrank Case Ventilation; Non Return Valve
1988BMW750iLN/ACrank Case Ventilation; Non Return Valve

* 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.