G3 Crankcase Breather Hose - 1.0 (AER,ALL), 1.4 (AEX,ANX,APQ), 1.6 (AKV,AEE,AHS)

Restore proper engine breathing and reduce internal pressure with this crankcase ventilation breather hose, designed to fit a wide range of VW petrol engines from the late 1990s to early 2000s. This direct-fit hose connects the engine’s crankcase to the intake system, allowing blow-by gases to be recirculated, which aids emissions control and prevents oil leaks due to excess pressure.

This hose is suitable for the following Volkswagen models and engine codes, along with their corresponding engine sizes:

• VW Mk2 Caddy
  – AEX: 1.4L
  – AKV: 1.6L
  – AEE: 1.6L
  – APQ: 1.4L

• VW Mk3 Golf
  – AEX: 1.4L
  – AEE: 1.6L

• VW Polo 6N
  – AER: 1.0L
  – ALL: 1.0L
  – AEX: 1.4L
  – ANX: 1.4L
  – APQ: 1.4L
  – AKV: 1.6L
  – AEE: 1.6L
  – AHS: 1.4L

The crankcase breather hose plays a critical role in engine longevity by helping manage blow-by gases and maintaining stable internal crankcase pressure. A damaged or blocked breather hose can lead to rough running, oil leaks, and poor fuel economy. This high-quality replacement is manufactured from oil-resistant rubber to withstand high engine temperatures and exposure to vapors.