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Headlamp Breather Pipe. Porsche 996 Carrera / Turbo / GT2 / GT3 1998-05 ❭ 99663112000
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
The Porsche Headlamp Breather Pipe is a genuine OEM vent tube designed to prevent condensation and moisture build-up inside the headlight housing. Fitted to Porsche 911 (996 models), this pipe allows controlled airflow and pressure equalization, keeping your headlights clear and functioning properly.
Fits LEFT And RIGHT.
Fits:
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
What This Product Does:
The tube is a vent / breather tube for the headlamp housing. It allows moisture, condensation and air to escape from the headlamp enclosure so the lens doesn’t fog up, and prevents vacuum or pressure build-up inside the lamp unit.
Symptoms Of A Faulty / Missing / Damaged Vent Tube:
- Condensation / Fogging inside the headlamp lens, especially after weather changes or car wash.
- Water accumulation inside the headlight housing (visible water or dripping) leading to corrosion, rust, or water spots.
- Cloudiness or reduced light output due to moisture affecting reflectors or lenses.
- Burned / corroded connectors or bulb sockets due to water contact.
- The headlamp may feel humid inside, smell of damp plastic, or show signs of mildew / moisture staining.
Why Replacement Matters:
- Preserves headlamp clarity & performance: a clean, dry reflector & lens means correct beam pattern & brightness. Moisture or fog diminish performance and safety.
- Protects electrical components inside the lamp assembly: bulbs, aim adjusters, connectors are especially vulnerable to water damage.
- Prevents damage to headlamp internals: moisture can cause corrosion, oxidation, potentially degrading internal seals, screws, and mounting surfaces.
- Maintains correct optical alignment & beam pattern: trapped moisture can distort or when dried unevenly, affect clarity and aim.
- Low cost preventive part: replacing a small tube is cheap relative to replacing a full headlamp unit due to water damage.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99663112000
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
Fits:
Porsche 958 Cayenne 2011-2014
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9586315
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17

Fits:
Porsche 958 Cayenne 2013-14
Click 'Zoom in' for large parts diagram.
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95861838110
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17

Fits:
Porsche 958 Cayenne 2015>>
I8EA - Xenon USA, right-hand traffic
I8JE - Main headlight with gas-discharge lamp ECE, XENON, right-hand traffic
I8BE - Main headlight with gas-discharge lamp & direction indicator light, XENON, left-hand traffic
I8EE - Xenon, ECE, left-hand traffic (Black)
I8EF - Xenon, ECE, right-hand traffic (Black)
I8EG - Xenon, USA, right-hand traffic (Black)
Click 'Zoom in' for large parts diagram.
Diagram ref no 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95863159701
The product you are viewing cross references to these numbers
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