Aftermarket Knock Sensor – Compatible with VW Golf, Polo, Jetta, Citi Golf
Aftermarket Knock Sensor – Compatible with VW Golf, Polo, Jetta, Citi Golf
Description
This high-performance Knock Sensor is engineered to detect engine knock or detonation, helping your ECU optimize ignition timing and fuel delivery. Essential for maintaining performance and preventing engine damage, it’s designed to meet OE standards and fits a wide range of Volkswagen models—including Golf III, Citi Golf, Polo Playa, and VR6 engines. Easy to install with a plug-and-play 3-pin connector, it’s the perfect replacement for your worn or faulty sensor.
Key Features
OE Quality Replacement: Built to exact specifications for reliable signal transmission
OEM PART NO: 037905377A
Broad Compatibility: Fits popular VW engines including GY, AGY, ABA, AAA, ABF, AFX, and more
Durable Design: 340mm length, resistant to heat and vibration
Plug-and-Play: 3-pin connection with brown housing for direct installation
Critical Engine Function: Helps prevent engine damage by ensuring optimal ignition timing
Installation Notes
Ensure the sensor is securely torqued to spec to maintain accuracy.
Always inspect wiring harness and connectors for wear before installing a new sensor.
Clear any stored knock sensor-related fault codes (e.g. P0325) using a diagnostic tool after replacement.
Mounting surface must be clean and free of oil or debris for best performance.
Compatible With the Following Volkswagen Models
CITI GOLF (1984 – 2010)
1.3 (GY) – 48 kW / 65 HP
1.4 (AGY | BSC) – 62 kW / 84 HP | 54 kW / 73 HP
1.6 (AFX | HM) – 74 kW / 101 HP | 60 kW / 82 HP
FOX (1985 – 1996)
1.6 (EZ | HM) – 55 kW / 75 HP
GOLF III (1H1) (1991 – 2000)
2.0 (2E | ABA | ADY | AGG | AKR) – 85 kW / 115 HP
2.0 GTI 16V (ABF) – 110 kW / 150 HP
2.8 VR6 (AAA) – 128 kW / 174 HP
GOLF III Cabriolet (1E7) (1993 – 1998)
2.0 (2E | ADY | AGG | AKR) – 85 kW / 115 HP
GOLF IV Cabriolet (1E7) (1998 – 2002)
2.0 (AGG | AKR | ATU | AWF | AWG) – 85 kW / 115 HP
JETTA III (1H2) (1991 – 2000)
2.0 (2E | ABA | ADY | AGG | AKR) – 85 kW / 115 HP
2.8 VR6 (AAA) – 120 kW / 163 HP
KOMBI / MICROBUS / CARAVELLE T4 (1994 – 2004)
2.5 (AAF | ACU | AEN | AEU) – 81 kW / 110 HP
POLO I CLASSIC (6V2) (1996 – 2003)
1.4 (AGY) – 62 kW / 84 HP
POLO PLAYA (1995 – 2009)
1.4 (AGY) – 62 kW / 84 HP
1.6 S (AFX) – 74 kW / 101 HP
SHARAN (7M8, 7M9, 7M6) (1995 – 2010)
2.8 VR6 (AAA | AMY) – 128 kW / 174 HP
Technical Specifications
Specification Value
Colour Brown
Length 340 mm
Connector Pins 3
Weight 0.69 kg