Oil cooler cowling. Porsche 993 C2 / C4 / RS / C2S / C4S / Turbo / GT2 / Turbo S › 99362404100

This OE Match oil cooler cowling is an air-guide cowl, it forms part of the oil cooler airflow assembly.

Fits

Porsche 993 1994-96

Check fitment for your specific vehicle (model, year, engine) before ordering.

Diagram ref no: 23

What This Product Does

The cowling guides air through the oil cooler assembly, helping the airflow reach the cooler rather than escape around it. It is an airflow-management component, distinct from the oil cooler itself and the electrical parts that operate the fan.

Functions

• Directs cooling air across the oil cooler.
• Contains airflow within the cooler assembly.
• Maintains the intended air path around the cooling components.
  
  

Technical Details

• Brand: OE Match.
• Part reference: 99362404100.
• Component identification: air-guide cowl.
• Assembly context: oil cooler lines, Porsche 993 1994–98.

Symptoms of Fault

• Cracks, distortion or other visible damage to the cowling.
• Loose or damaged mounting points.
• Rattling or vibration around the cooler housing.
• Obstructed airflow caused by damage or accumulated debris.
• Oil temperature climbing more noticeably during slow-moving traffic.
  
  

These signs warrant inspection but do not establish that the cowling is the cause. Fan operation, electrical connections and surrounding components should also be checked.

Why Replacement Matters

A broken or poorly secured cowl can disrupt the intended airflow path. Replacing damaged cowling addresses the housing itself; it does not resolve a failed fan motor, electrical fault or leaking cooler. Inspect nearby fixings and mounting components during the repair so that the replacement can be secured correctly.

FAQs

Should the fan wiring also be inspected?
Yes. Ageing connectors or damaged wiring can explain intermittent fan operation independently of the cowling.

Can removing debris help?
Clearing accumulated debris can improve the air path, but cleaning will not repair cracks or broken mounting points.

Does a stationary fan mean the cowling needs replacement?
No. Check the fan's power supply and control components separately, and assess the cowling for physical damage.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99362404100

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