Genuine VDO Knock Sensor S119054003Z

Ensure optimal engine performance and prevent detonation damage with the VDO Knock Sensor S119054003Z (SKU 41-024). This premium OEM-quality knock sensor is engineered by VDO to accurately detect engine knock and detonation, enabling your ECU to adjust ignition timing in real-time to prevent engine damage, optimize performance, and maximize fuel efficiency for Volkswagen Transporter T4 2.5L ACU/AET, Golf 1H MK3/MK4 2E/ADY/AGG/APK/AAA, and Vento Type 3 2E/ADY/AGG/AAA applications.

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Key Features & Benefits

• Genuine VDO Quality - OEM-grade component built to exacting standards
• Precise Knock Detection - Accurately monitors engine vibrations to detect detonation
• Engine Protection - Prevents costly engine damage from knock and pre-ignition
• Optimized Performance - Allows ECU to maximize ignition timing for best power output
• Enhanced Fuel Efficiency - Optimal timing control reduces fuel consumption
• Durable Construction - Built to withstand extreme temperatures and vibration
• Direct Replacement - Perfect fit for VW Transporter T4, Golf MK3/MK4 & Vento Type 3
• Easy Installation - Plug-and-play replacement for original sensor

Technical Specifications

• VDO Part Number: S119054003Z
• Component Type: Knock Sensor (Detonation Sensor)
• Primary Application: VW Transporter T4 2.5L ACU/AET, Golf 1H MK3/MK4 2E/ADY/AGG/APK/AAA & Vento Type 3 2E/ADY/AGG/AAA
• Weight: 0.25 kg

Vehicle Compatibility

This VDO knock sensor is designed for:

• Volkswagen Transporter T4 with 2.5L ACU engine
• Volkswagen Transporter T4 with 2.5L AET engine
• Volkswagen Golf 1H MK3 with 2E engine
• Volkswagen Golf 1H MK3 with ADY engine
• Volkswagen Golf 1H MK3 with AGG engine
• Volkswagen Golf 1H MK4 with APK engine
• Volkswagen Golf 1H MK4 with AAA engine
• Volkswagen Vento Type 3 with 2E engine
• Volkswagen Vento Type 3 with ADY engine
• Volkswagen Vento Type 3 with AGG engine
• Volkswagen Vento Type 3 with AAA engine

CLICK HERE TO CHECK IF THIS FITS YOUR VEHICLE.

OEM Part Number Cross-Reference

This VDO knock sensor replaces the following OEM part numbers:

• S119054003Z (VDO)
• 037905377A (Volkswagen)
• 021905377A (Volkswagen)
• KNS024 / KNS-024

Common Symptoms of Faulty Knock Sensors

• Check engine light illuminated (P0325-P0334 codes)
• Engine knocking or pinging noise under acceleration
• Poor acceleration or loss of power
• Reduced fuel economy
• Engine running rough or hesitating
• Pre-ignition or detonation damage
• Engine performance feels sluggish
• Increased emissions

What Does a Knock Sensor Do?

The Knock Sensor (also known as a detonation sensor) monitors engine vibrations to detect abnormal combustion events such as knock or pre-ignition. When knock is detected, the sensor sends a signal to the engine control unit (ECU), which retards the ignition timing to prevent engine damage. This allows the ECU to run the engine at optimal timing for maximum performance while protecting against detonation damage. Without a properly functioning knock sensor, your engine is at risk of serious damage from uncontrolled detonation.

Why Choose Genuine VDO Knock Sensors?

Genuine VDO knock sensors are designed to meet or exceed original equipment specifications, ensuring accurate knock detection, long-lasting reliability, and optimal engine protection. Using genuine parts ensures proper fitment and maintains your vehicle's performance standards.

Why Choose LM15 Motorsport?

We supply genuine VDO knock sensors with fast shipping across Australia. Every part is carefully inspected to ensure you receive the exact component your vehicle needs for reliable performance and engine protection.

Need help with fitment or installation? Contact our expert team for advice specific to your VW Transporter T4, Golf MK3/MK4, or Vento Type 3.