United States
Product overview
Genuine OEM Volkswagen Knock Deflector with Wiring, part number 078905377. This sensor detects engine knock, which is the uncontrolled combustion of fuel in an engine cylinder. It is a critical component for engine performance and longevity, helping to prevent engine damage by allowing the engine control unit to adjust ignition timing. The part is located in the engine assembly. Genuine OEM sensors ensure precise calibration and signal characteristics for reliable engine operation.
Technical details
- Category
- Ignition
- Country of origin
- France
- Customs (HS) code
- 90268020
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 10 × 10 × 5 cm
- Shipping weight
- 0.08 kg
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
Parts diagram & fitment
18 vehiclesKnock Sensor With Wiring Harness — locate 078905377 Volkswagen Knock Deflector | Genuine OEM in the official exploded view and explore the surrounding assembly.
This part is marked discontinued by the manufacturer (since 2022-01-01); contact us to check current availability.
Parts in this assembly13
Vehicle fitment table18
Europe (16)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| PASSAT/4MOTION/W8 | 2002-2005 | 1 | 2 | AMX,BBG | |
| SUPERB 02> | 2001- | 12 | 2 | AMX,BBG | T7F |
| Audi A6/Wagon/quattro | 2001-2004 | 12 | 2 | ARE | T7Z |
| PASSAT 00> | 2000- | 1 | g | ||
| Audi A6 Allroad qu. | 2000-2005 | 12 | 2 | ARE | T7Z |
| Passat/4Motion/W8 | 2000-2002 | 12 | 2 | AMX,BBG | |
| AUDI RS4 AV. QU. | 2000-2001 | 12 | 2 | ||
| Audi A8 quattro | 1999-2002 | 20 | 2 | ||
| Audi A4/Avant | 1999-2001 | 12 | F 8D-X-260 001 | ||
| Audi A4/Av.qu. | 1999-2001 | 12 | F 8D-X-260 001 | ||
| AUDI A8 | 1998-2002 | 20 | 2 | ||
| Passat syncro/4Motion | 1998-2000 | 12 | F 3B-Y-000 001 | ||
| Audi A6/Avant | 1997-2001 | 11 | 1 | ||
| Audi A6/Av.qu.F4B-W-> | 1997-2001 | 11 | 1 | ||
| Passat | 1997-2000 | 12 | F 3B-Y-000 001 | ||
| Audi A4/Av.qu.F8D-W-> | 1997-1998 | 12 | 2 | AGB |
Other markets (2)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| PASSAT LINGYU "CN."06> | 2005- | 1 | g | ||
| AUDI A6L CHINA | 1999-2005 | 11 |
Diagrams & fitment data powered by oemdiagrams.com
078905377 Volkswagen Knock Deflector | Genuine OEM is fitted on: PASSAT/4MOTION/W8 2002-2005; SUPERB 02> 2001-; Audi A6/Wagon/quattro 2001-2004; PASSAT 00> 2000-; Audi A6 Allroad qu. 2000-2005; Passat/4Motion/W8 2000-2002; AUDI RS4 AV. QU. 2000-2001; Audi A8 quattro 1999-2002; Audi A4/Avant 1999-2001; Audi A4/Av.qu. 1999-2001; AUDI A8 1998-2002; Passat syncro/4Motion 1998-2000; Audi A6/Avant 1997-2001; Audi A6/Av.qu.F4B-W-> 1997-2001; Passat 1997-2000; Audi A4/Av.qu.F8D-W-> 1997-1998; PASSAT LINGYU "CN."06> 2005-; AUDI A6L CHINA 1999-2005.