Porsche 986 996 Engine Air Intake Hose 99611068500 - Used Original Parts

Diagnosis and Common Symptoms

As a technician, the first thing we check for with lean running conditions is unmetered air entering the system after the Mass Airflow (MAF) sensor. This intake hose is a primary culprit. Over time, heat cycles cause the rubber to become brittle, leading to hairline cracks and splits. These vacuum leaks introduce air that the DME (ECU) cannot account for, resulting in a lean air-fuel mixture. Symptoms include a rough, hunting idle, hesitation during acceleration, and decreased fuel economy. A Check Engine Light is common, with fault codes such as P0171 (System Too Lean Bank 1) and P0174 (System Too Lean Bank 2).

Introduction

This is a Genuine Porsche Engine Air Intake Hose, meticulously removed from a donor vehicle. Instead of opting for a new part or a questionable aftermarket alternative, this component offers the precise fitment and material quality specified by Porsche engineers. Each used hose we supply has been rigorously inspected and pressure tested to ensure it is free from the cracks and brittleness that cause performance issues, guaranteeing a reliable and cost-effective repair.

Product Details

• Brand: Porsche
• Model Compatibility: Porsche 911 (996) & Boxster (986)
• Part Name: Engine Air Intake Hose / Air Boot / Intake Tube
• Part Number: 99611068500
• Condition: Genuine Used (Tested Working)
• Notes: Inspected for pliability and pressure tested to confirm no hairline cracks or leaks. Ready to install for a perfect seal between the airbox and the throttle body.