OE Quality
60-Day Returns

Global Parts 1811746 Ignition Knock (Detonation) Sensor
Overview of Global Parts Ignition Knock Sensor 1811746
The Global Parts Ignition Knock (Detonation) Sensor 1811746 is designed for precise detection of engine knock in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.
- Length: 2.42 inches for compact and secure fitment
- Blade terminal type with 2 terminals for reliable electrical connection
- Single female round connector ensuring proper plug-in compatibility
- Mounting hardware not included, allowing use of existing vehicle fasteners
- Compatible with multiple GM models including Buick Regal, Chevrolet Impala, Pontiac Grand Prix, and more
Detailed Product Description
The Global Parts 1811746 ignition knock sensor features a 2.42-inch length and a blade terminal type with two terminals, designed to provide a stable and accurate signal to the engine control module. Its single female round connector ensures a secure electrical connection, minimizing the risk of signal loss or interference. This sensor is engineered to detect engine detonation or knocking, which can negatively impact engine efficiency and longevity if left unmonitored. Compatible with a range of GM vehicles such as the Buick Regal, Chevrolet Malibu, Pontiac Grand Am, and Oldsmobile Cutlass, this sensor supports proper engine timing adjustments to optimize performance and reduce emissions.
Common Applications and Issues Addressed
- Detects engine knocking or detonation to prevent engine damage
- Helps maintain proper ignition timing for improved fuel efficiency
- Prevents check engine light triggers related to knock sensor faults
- Reduces engine misfires caused by inaccurate knock detection
- Supports emission control compliance in Buick, Chevrolet, Oldsmobile, and Pontiac models
Installation Notes and Tips
- Verify compatibility with your specific vehicle make and model before installation
- Use existing mounting hardware as this sensor does not include mounting bolts
- Ensure the connector is fully seated to avoid intermittent signal issues
- Handle the sensor carefully to prevent damage to the blade terminals
- Consult vehicle service manual for torque specifications and sensor location
Quality Assurance and Warranty
Global Parts manufactures the 1811746 ignition knock sensor to meet OEM specifications for fit, form, and function. While mounting hardware is not included, the sensor undergoes quality checks to ensure reliable performance in emission control systems. Please refer to Global Partsβ warranty policy for coverage details on this ignition knock sensor.
This part fits 114 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Buick | Century | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2005 | Buick | Rendezvous | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2005 | Chevrolet | Impala | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2005 | Chevrolet | Monte Carlo | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2005 | Pontiac | Aztek | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2005 | Pontiac | Grand Am | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2005 | Pontiac | Montana | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2004 | Buick | Century | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2004 | Buick | Rendezvous | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2004 | Chevrolet | Impala | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2004 | Chevrolet | Monte Carlo | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2004 | Oldsmobile | Alero | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2004 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2004 | Pontiac | Aztek | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2004 | Pontiac | Grand Am | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2004 | Pontiac | Montana | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2003 | Buick | Century | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2003 | Buick | Rendezvous | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2003 | Chevrolet | Impala | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2003 | Chevrolet | Malibu | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2003 | Chevrolet | Monte Carlo | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2003 | Oldsmobile | Alero | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2003 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2003 | Pontiac | Aztek | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2003 | Pontiac | Grand Am | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2003 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2003 | Pontiac | Montana | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2002 | Buick | Century | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2002 | Buick | Rendezvous | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2002 | Chevrolet | Impala | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2002 | Chevrolet | Malibu | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2002 | Chevrolet | Monte Carlo | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2002 | Oldsmobile | Alero | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2002 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2002 | Pontiac | Aztek | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2002 | Pontiac | Grand Am | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2002 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2002 | Pontiac | Montana | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2001 | Buick | Century | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2001 | Chevrolet | Impala | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2001 | Chevrolet | Lumina | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2001 | Chevrolet | Malibu | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2001 | Chevrolet | Monte Carlo | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2001 | Oldsmobile | Alero | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2001 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2001 | Pontiac | Aztek | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2001 | Pontiac | Grand Am | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2001 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2001 | Pontiac | Montana | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2000 | Buick | Century | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2000 | Chevrolet | Impala | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2000 | Chevrolet | Lumina | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2000 | Chevrolet | Malibu | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2000 | Chevrolet | Monte Carlo | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2000 | Oldsmobile | Alero | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2000 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2000 | Pontiac | Grand Am | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2000 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 2000 | Pontiac | Montana | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1999 | Buick | Century | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1999 | Chevrolet | Lumina | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1999 | Chevrolet | Malibu | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1999 | Chevrolet | Monte Carlo | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1999 | Oldsmobile | Alero | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1999 | Oldsmobile | Cutlass | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1999 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1999 | Pontiac | Grand Am | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1999 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1999 | Pontiac | Montana | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1999 | Pontiac | Trans Sport | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1998 | Buick | Century | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1998 | Buick | Skylark | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1998 | Chevrolet | Lumina | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1998 | Chevrolet | Malibu | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1998 | Chevrolet | Monte Carlo | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1998 | Oldsmobile | Achieva | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1998 | Oldsmobile | Cutlass | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1998 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1998 | Pontiac | Grand Am | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1998 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1998 | Pontiac | Trans Sport | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Buick | Century | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Buick | Skylark | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Chevrolet | Lumina | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Chevrolet | Lumina | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Chevrolet | Malibu | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Chevrolet | Monte Carlo | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Chevrolet | Monte Carlo | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Oldsmobile | Achieva | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Oldsmobile | Cutlass | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Pontiac | Grand Am | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1997 | Pontiac | Trans Sport | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Buick | Century | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Buick | Regal | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Buick | Skylark | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Chevrolet | Corsica | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Chevrolet | Lumina | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Chevrolet | Lumina | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Chevrolet | Lumina APV | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Chevrolet | Monte Carlo | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Chevrolet | Monte Carlo | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Oldsmobile | Achieva | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Oldsmobile | Cutlass | 3.1L | V6 | N/A | |
| 1996 | Oldsmobile | Cutlass Ciera | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Oldsmobile | Cutlass Supreme | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Pontiac | Grand Am | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Pontiac | Grand Prix | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Pontiac | Grand Prix | 3.1L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
| 1996 | Pontiac | Trans Sport | 3.4L | V6 | N/A | Ensure compatibility prior to purchasing this Ignition Knock Sensor. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.